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A compact starter kit
with your favorite
microcontroller and two
mikroBUS™ sockets
TO OUR VALUED CUSTOMERS
I want to express my thanks to you for being interested in our products and for having
confidence in MikroElektronika.
The primary aim of our company is to design and produce high quality electronic products
and to constantly improve the performance thereof in order to better suit your needs.
Nebojsa Matic
General Manager
The PIC® and Windows® logos and product names are trademarks of Microchip Technology® and Microsoft® in the U.S.A. and other countries.
Page 2
Table of contents
Introduction to clicker 2 for STM32
4
3.2 Programming with mikroProg™ programmer
15
Key features
5
mikroProg Suite for ARM software
16
1. Power supply
7
3.3 Programming with ST-LINK V2 programmer
17
2. STM32F407VGT6 microcontroller
9
4. Buttons and LEDs
19
Key microcontroller features
9
5. Power management and battery charger
21
™
®
3. Programming the microcontroller
10
6. Oscillators
22
3.1 Programming with mikroBootloader
11
7. USB connection
24
step 1 – Connecting clicker 2 for STM32 11
8. Pads
26
step 2 – Browsing for .HEX file 12
9. Pinout
step 3 – Selecting .HEX file 12
9.1 mikroBUS pinout
28
step 4 – Uploading .HEX file
13
10. click™ boards are plug and play!
29
step 5 – Finish upload
14
11. Dimensions
31
27
™
Page 3
Introduction to clicker 2 for STM32
clicker 2 for STM32 is a compact dev. kit
with two mikroBUS™ sockets for click board
connectivity. You can use it to quickly build
your own gadgets with unique functionalities
and features. It carries the STM32F407VGT6,
a 32-bit ARM® Cortex®-M4 microcontroller, two
indication LEDs, two general purpose buttons,
a reset button, an on/off switch, a li-polymer
battery connector, a USB Mini-B connector and
two mikroBUS™ socket. A JTAG connector and
a 2x26 pinout for interfacing with external
electronics are also provided. The mikroBUS™
connector consists of two 1x8 female headers
with SPI, I2C, UART, RST, PWM, Analog and
Interrupt lines as well as 3.3V, 5V and GND
power lines. Clicker 2 for STM32 board can be
powered over a USB cable.
Page 4
Key features
1
12
2
13
1 ON/OFF switch
2 Pads for connecting external ON/OFF switch
3
3 Jumper for enabling RTC power supply
4
4 25 MHz crystal oscillator
5 32.768 KHz crystal oscillator
14
5
6 2x26 connection pads
7 mikroBUS™ sockets 1 and 2
8 Pushbuttons
6
6
7
7
8
8
9
9
10
15
11
16
9 Additional LEDs
10 LTC3586 USB power manager IC
11 Indication LEDs
12 RESET button
13 USB mini-B connector
14 STM32F407VGT6
15 Battery connector
16 JTAG programmer connector
Page 5
3V3
VCC-3.3V
VCC-3.3V
VCC-3.3V
VCC-3.3V
C35
C36
C37
C38
C40
C39
100nF
100nF
100nF
100nF
100nF
10uF
10uF
C4
2.2uF
R7
VCC-3.3V
VCC-3.3V
100K
VSYS
VSYS
VCC-USB
L1
3.3uH
PC6-FAULT
R20
C22
10K
22uF
BAT
EN4
VOUT
VBUS
VBUS
SW
FAULT#
VCC-3.3V
R23
2K94
LTC3586
C19
C20
2.2uF
2.2uF
VCC-3.3V
L2
LDO3V3
R19
324K
C23
C31
C32
22uF
10uF
VSYS
VCC-5V VCC-5V
R27
16K9
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
C21
33pF
10pF
R21
R26
88K7
VCC-3.3V VCC-3.3V
2.2uH
15K
L3
2.2uH
VCC-USB
PWR-EN
C18
100nF
PWR-EN
VCC-5V
C25
100nF
VCC-USB
SWCD3
EN3
VOUT3
VOUT3
VIN3
VIN3
SWAB3
19
18
17
16
15
14
13
ILIM0
ILIM1
LDO3V3
CLPROG
NTC
VOUT4
VOUT4
SW4
MODE
FB4
FB3
VC3
VSYS
U2
1
2
3
4
5
6
7
8
9
10
11
12
PWR-EN
32
33
34
35
36
37
38
GATE
CHRG#
PROG
FB1
VIN1
SW1
SW2
VIN2
FB2
VIN4
EN1
EN2
31
30
29
28
27
26
25
24
23
22
21
20
DMP2305U
VCC-BAT
2
1
3K3
U1
3
R18
M2
VCC-5V
C24
R22
105K
VCC-5V
VCC-5V
C29
C30
C27
C28
22uF
1uF
10nF
R17
1M
PB12-SENSEL
PB13-SPI2_SCK
R9
PB14-SPI2_MISO
PB15-SPI2_MOSI
R28
PD8-UART3_TX
PD9-UART3_RX
PD10-GPIO
PD11-GPIO
PD12-MB2-PWM
PD13-GPIO
PD14-GPIO
PD15-GPIO
PC6-FAULT
PC7-GPIO
PC8-GPIO
PC9-I2C3_SDA
PA8-I2C3_SCL
USB-DET
PA10-T3
USB-D_N
R29
USB-D_P
R30
TMS
C7
2.2uF
300pF
10pF
PA2-MB1_AN
PE7-MB1_RST
PE8-MB1_CS
PC10-SPI3_SCK
PC11-SPI3_MISO
PC12-SPI3_MOSI
VCC-3.3V
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
PB12
PB13
PB14
PB15
PD8
PD9
PD10
PD11
PD12
PD13
PD14
PD15
PC6
PC7
PC8
PC9
PA8
PA9
PA10
PA11
PA12
PA13
VCAP
GND
VDD
PA2
PA1
PA0-WKUP
VDDA
VREF+
GNDA
VDD
PC3
PC2
PC1
PC0
NRST
OSC_OUT
OSC_IN
VDD
GND
PC15/OSC32_OUT
PC14/OSC32_IN
PC13/TAMPER_RTC
VBAT
PE6
PE5
PE4
PE3
PE2
100pin TQFP
STM32F407VGT6
PC3-AN
PC2-AN
PC1-AN
PC0-AN
RESET#
OSC_OUT
OSC_IN
C5
22pF
X1
VCC-3.3V
C6
22pF
1
PE9-MB1-PWM
PE10-MB1_INT
PD6-UART2_RX
PD5-UART2_TX
PA8-I2C3_SCL
PC9-I2C3_SDA
PWM
INT
RX
TX
SCL
SDA
5V
GND
VSYS
VCC-5V
AVCC
PA3-MB2_AN
PE13-MB2_RST
PE11-MB2_CS
PB13-SPI2_SCK
PB14-SPI2_MISO
PB15-SPI2_MOSI
AN
RST
CS
SCK
MISO
MOSI
3.3V
GND
HDR1
C1
100nF
OSC32_OUT
OSC32_IN
C2
2.2uF
X2
PE6-GPIO
PE5-PWM
PE4-GPIO
PE3-GPIO
PE2-GPIO
32.768KHz
C33
10pF
VCC-3.3
VCC-3.3V
RESET#
R4
R3
10K
1
3
5
7
9
RST
220
PC13-GPIO
2
PD12-MB2-PWM
PE14-MB2_INT
PD9-UART3_RX
PD8-UART3_TX
PB10-I2C2_SCL
PB11-I2C2_SDA
PWM
INT
RX
TX
SCL
SDA
5V
GND
VCC-3.3V
FP1
25MHz
T1
TRST
C3
100nF
CN3
2
4
6
8
10
TMS
TCK
TDO
TDI
RESET#
PC0-AN
PC1-AN
PC2-AN
PC3-AN
PB1-AN
PA4-AN
PC4-AN
PD3-INT
PD1-INT
PD2-INT
PD0-INT
PC8-GPIO
PD15-GPIO
PD14-GPIO
PD13-GPIO
PB7-GPIO
PC7-GPIO
PD11-GPIO
PD10-GPIO
PB13-SPI2_SCK
PB14-SPI2_MISO
PB15-SPI2_MOSI
PWM
INT
VCC-BAT
2K2
VCC-BAT
R33 100K
R5
10K
clicker 2 for STM32 schematic
VCC-3.3V
R11
1K
VCC-USB
2K2
VCC-3.3V
T3
USB-DET
USB-D_N
USB-D_P
R6
10K
R24
100
FP2
FERRITE
R25
1M
C26
10nF
VCC-3.3V
M1
R10
1M
R2
T2
RX
TX
SCL
SDA
SCK
SDI
SDO
CN2
1
2
3
4
5
VBUS
DD+
ID
GND
USB MINIB
DMP2305U
R12
100K
R13
100K
C13
100nF
R14
100K
PC5-VSENSE
RESET#
PB9-PWM
PB8-PWM
PE5-PWM
PB0-PWM
PA5-PWM
PA6-PWM
PA7-PWM
PE1-GPIO
PE2-GPIO
PE3-GPIO
PE4-GPIO
PE6-GPIO
PB6-GPIO
PB5-GPIO
PD7-GPIO
PC13-GPIO
PA1-UART4_RX
PA0-UART4_TX
PB10-I2C2_SCL
PB11-I2C2_SDA
AN
VCC-3.3V
PB12-SENSEL
R1
3V3
HDR2
JTAG
C34
10pF
VCC-3.3V
LDO3V3
Page 6
AN
RST
CS
SCK
MISO
MOSI
3.3V
GND
PA2-MB1_AN
PA1-UART4_RX
PA0-UART4_TX
J1
LD3
R8
470
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
PE12-LD1
C17
1uF
VDD
VCAP
PB11
PB10
PE15
PE14
PE13
PE12
PE11
PE10
PE9
PE8
PE7
PB2
PB1
PB0
PC5
PC4
PA7
PA6
PA5
PA4
VDD
GND
PA3
C16
10nF
PB8-PWM
PB9-PWM
PE0-T2
PE1-GPIO
10K
C15
1uF
PA14
PA15
PC10
PC11
PC12
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
PB3
PB4
PB5
PB6
PB7
BOOT0
PB8
PB9
PE0
PE1
PDR_ON(RFU)
VDD
C14
22uF
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
2K2
PD4-BATSTAT
SW1
LDO3V3
JS202011AQN
VCC-3.3V VCC-3.3V VCC-3.3V LDO3V3
R16
PD1-INT
PD2-INT
PD3-INT
PD4-BATSTAT
PD5-UART2_TX
PD6-UART2_RX
PD7-GPIO
TDO
TRST
PB5-GPIO
PB6-GPIO
PB7-GPIO
LDO3V3
LD4B
RED
R15
TCK
TDI
PC10-SPI3_SCK
R31
PC11-SPI3_MISO
PC12-SPI3_MOSI
R32
PD0-INT
LDO3V3
VCC-5V
AVCC
PE15-LD2
VCC-3.3V
C12
100nF
PA10-T3
VCC-3.3V
C11
100nF
PE0-T2
VCC-3.3V
C10
100nF
PA3-MB2_AN
VCC-3.3V
C9
PB1-AN
PB0-PWM
PC5-VSENSE
PC4-AN
PA7-PWM
PA6-PWM
PA5-PWM
PA4-AN
VCC-3.3V
CN1
BATT CONN
PB11-I2C2_SDA
PB10-I2C2_SCL
PE15-LD2
PE14-MB2_INT
PE13-MB2_RST
PE12-LD1
PE11-MB2_CS
PE10-MB1_INT
PE9-MB1-PWM
PE8-MB1_CS
PE7-MB1_RST
VCC-BAT
1. Power supply
USB power supply
You can supply power to the board with a
Mini-B USB cable provided in the package.
On-board voltage regulators provide the
appropriate voltage levels to each component
on the board. Power LED (GREEN) will
indicate the presence of power supply.
Figure 1-1:
Connecting USB
power supply
Battery power supply
You can also power the board using a Li-Polymer
battery, via on-board battery connector. On-board
battery charger circuit enables you to charge the battery
over USB connection. LED diode (RED) will indicate
when battery is charging. Charging current is ~300mA
and charging voltage is 4.2V DC.
Figure 1-2: Connecting
Li-Polymer battery
Page 7
LDO3V3
LDO3V3
LD4B
RED
R15
PD4-BATSTAT
C14
22uF
10K
C15
1uF
VSYS
PC6-FAULT
R20
C22
10K
22uF
VCC-3.3V
R23
2K94
LTC3586
19
18
17
16
15
14
13
2
VCC-USB
PWR-EN
C18
C20
2.2uF
LDO3V3
C31
C32
22uF
10uF
L2
C1
100nF
R11
PB12-SENSEL
1K
DMP2305U
R12
100K
R13
100K
C13
100nF
R14
100K
PC5-VSENSE
C2
2.2uF
VSYS
HDR1
HDR2
VCC-BAT
R19
324K
VCC-5V VCC-5V
AN
VCC-3.3V VCC-3.3V
2.2uH
PWM
CN1
BATT CONN
C21
33pF
INT
10pF
R21
R27
16K9
R10
1M
R17
1M
PWR-EN
VCC-3.3V
C23
R26
88K7
100nF
VCC-3.3V
FP1
VCC-BAT
M1
VSYS
2.2uF
15K
L3
2.2uH
AVCC
VCC-BAT
3
C19
VCC-5V
C25
100nF
VCC-USB
SWCD3
EN3
VOUT3
VOUT3
VIN3
VIN3
SWAB3
ILIM0
ILIM1
LDO3V3
CLPROG
NTC
VOUT4
VOUT4
SW4
MODE
FB4
FB3
VC3
3.3uH
BAT
EN4
VOUT
VBUS
VBUS
SW
FAULT#
1
2
3
4
5
6
7
8
9
10
11
12
VCC-USB
L1
32
33
34
35
36
37
38
U2
LTC3586
GATE
CHRG#
PROG
FB1
VIN1
SW1
SW2
VIN2
FB2
VIN4
EN1
EN2
31
30
29
28
27
26
25
24
23
22
21
20
DMP2305U
VSYS
C17
1uF
1
3K3
PWR-EN
C16
10nF
R18
M2
VCC-BAT
SW1
LDO3V3
JS202011AQN
VCC-3.3V VCC-3.3V VCC-3.3V LDO3V3
R16
2K2
VCC-5V
C24
R22
105K
300pF
VCC-5V
VCC-USB
VCC-5V
C29
C30
C27
C28
10pF
22uF
1uF
10nF
VCC-3.3V
FP2
FERRITE
LD3
R8
470
C26
10nF
VSYS
Figure 1-3: Power supply schematic
Page 8
CN2
1
2
3
4
5
VBUS
DD+
ID
GND
USB MINIB
VCC-3.3V
SCK
SDI
SDO
RX
TX
SCL
SDA
VCC-3.3V
2. STM32F407VGT6 microcontroller
JTAG & SW
EXT. MEM. CO
NTR
ETH. MAC 10
/100
FLASH 1MB
DMA 2
SRAM 176
KB
DMA 1
AHB BUS -
- 1 MB of Flash memory
3 x TIMER 16
-bit
1 x USART
- 192 +4 KB SRAM
1 x SPI
- 3x 12-bit ADC
- Internal Oscillator 25MHz, 32kHz, PLL;
- SPI, I2C, CAN, USB, USART, UART, RTC, Ethernet
temperature
sensor
3 x ADC
Page 9
z
3 x TIM/PW
M 16-bit
APB2 84MH
- 32-bit ARM® Cortex®-M4 architecture
ARM
SDIO/MMC
- 16-bit and 32-bit Timers, up to 168Mhz
MATRIX
Cortex™-M
4
STM32F407
VGT6
POWER / RE
SET
WWDG
3 x TIMER 16
-bit
2 x DAC
USB OTG HS
IWDG
RTC
z
Key microcontroller features
USB OTG FS
SRAM 16KB
GPIO PORT
(A,B,C,D,E,F,G
,H,I)
RNG
CAM. INTERF
ACE
APB1 42MH
The clicker 2 for STM32 development tool comes with the
STM32F407VGT6 device. This 32-bit high performance
microcontroller is rich with on-chip peripherals and features
1 MB of Flash and 192+4 KB of SRAM. It has integrated full
speed USB 2.0. support.
2 x TIMER 32
-bit
5 x TIMER 16
-bit
2 x USART
2 x UART
2 x SPI
3 x I2C
2 x CAN
3. Programming the microcontroller
Figure 3-1:
STM32F407VGT6
microcontroller
The microcontroller can be programmed in three ways:
01 Using USB HID mikroBootloader,
02 Using external mikroProg™ for STM32 programmer
03 Using external ST-LINK V2™ programmer
Page 10
3.1 Programming with mikroBootloader
You can program the microcontroller with a
bootloader which is preprogrammed by default.
To transfer .hex file from a PC to MCU you need
bootloader software (mikroBootloader USB HID)
which can be downloaded from:
step 1 – Connecting clicker 2 for STM32
www.mikroe.com/downloads/get/2153/
mikrobootloader_usb_hid_STM32F407VGT6.zip
01
After the mikroBootloader software is downloaded,
unzip it to desired location and start it.
clicker 2 for STM32 Bootloader
WinRAR ZIP archive
clicker 2 for STM32 Bootloader
File folder
Software
File folder
mikroBootloader USB HID.exe
Bootloader tool for mikroElektron...
mikroElektronika
Firmware
File folder
clicker 2 STM32 STM32F407VG USB
HID Bootloader v1.310.hex
HEX File
Figure 3-2: USB HID mikroBootloader window
01 To start, connect the USB cable, or if already connected press
the Reset button on your clicker 2 for STM32. Click the Connect
button within 5s to enter the bootloader mode, otherwise
existing microcontroller program will execute.
Page 11
step 2 – Browsing for .HEX file
step 3 – Selecting .HEX file
01
01
02
Figure 3-3: Browse for HEX
Figure 3-4: Selecting HEX
01 Click the Browse for HEX button and from a
01 Select .HEX file using open dialog window.
pop-up window (Figure 3.4) choose the .HEX file
02 Click the Open button.
which will be uploaded to MCU memory.
Page 12
step 4 – Uploading .HEX file
01
01
Figure 3-5: Begin uploading
Figure 3-6: Progress bar
01 To start .HEX file bootloading click the
Begin uploading button.
01 Progress bar enables you to monitor .HEX file uploading.
Page 13
step 5 – Finish upload
01
Figure 3-7: Restarting MCU
Figure 3-8: mikroBootloader ready for next job
01 Click OK button after the uploading process is finished.
02 Press Reset button on clicker 2 for STM32 board and
wait for 5 seconds. Your program will run automatically.
Page 14
3.2 Programming with mikroProg™ programmer
The microcontroller can be
programmed with external
mikroProg™ for STM32
programmer and mikroProg
Suite™ for ARM® software.
The external programmer is
connected to the development
system via 2x5 JTAG
connector soldered on the CN3
connector pads, Figure 3-9.
mikroProg™ is a fast USB 2.0
programmer with hardware
debugger support. It supports
STM32 M3 and M4 devices
from STMicroelectronics.
Outstanding performance, easy
operation and elegant design
are its key features.
Figure 3-9: mikroProg™ connector
Page 15
mikroProg Suite™ for ARM® software
On-board mikroProg™ programmer requires special programming software called mikroProg Suite™
for ARM®. This software is used for programming of all supported microcontroller families with
ARM® Cortex™-M3 and Cortex™-M4 cores. The software has an intuitive interface and SingleClick™
programming technology. To begin, first locate the installation archive on the link bellow:
http://www.mikroe.com/downloads/get/1809/mikroprog_suite_for_arm.zip
After downloading, extract the package and double click the executable setup file, to start installation.
Quick guide
01
Click the Detect MCU button in order to recognize the device ID.
02
Click the Read button to read the entire microcontroller memory.
You can click the Save button to save it to the target HEX file.
03
If you want to write the HEX file into the microcontroller, first
make sure to load the target HEX file using the Load button.
Then click the Write button to begin programming.
04
Click the Erase button to clear the microcontroller memory.
Page 16
Figure 3-10:
mikroProg Suite™
for ARM® window
3.3 Programming with ST-LINK V2 programmer
The microcontroller can also be
programmed with the ST-LINK V2
programmer and mikroProg Suite™
In order to adjust the ST-LINK™ V2 programmer to
be connected to the development system, it is
necessary to provide the appropriate adapter
such as the mikroProg to ST-LINK V2 adapter.
2x5 headers should be first soldered on
the CN3 connector pads. Then you should
plug the adapter into the ST-LINK V2
programmer (2x10 header), and plug
an IDC10 flat cable in headers,
Figure 3-12.
for ARM® software. This programmer
connects with the clicker 2 board via
mikroProg to ST-LINK V2 adapter
(Figure 3-11).
Figure 3-11:
mikroProg™ to
ST-LINK™ V2
adaper
Figure 3-12:
Connecting
ST-LINK™ V2
programmer
Page 17
VCC-3.3V
VCC-3.3V
C9
C10
100nF
100nF
C4
2.2uF
VCC-3.3V
R7
AVCC
100K
VCC-3.3V
VCC-3.3V
C35
C36
100nF
100nF
VCC-3.3V
VCC-3.3V
C37
C38
100nF
100nF
VCC-3.3V
VCC-3.3V
C40
C39
10uF
10uF
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
100nF
U1
TMS
C7
2.2uF
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
VDD
VCAP
PB11
PB10
PE15
PE14
PE13
PE12
PE11
PE10
PE9
PE8
PE7
PB2
PB1
PB0
PC5
PC4
PA7
PA6
PA5
PA4
VDD
GND
PA3
C12
100nF
PB12
PB13
PB14
PB15
PD8
PD9
PD10
PD11
PD12
PD13
PD14
PD15
PC6
PC7
PC8
PC9
PA8
PA9
PA10
PA11
PA12
PA13
VCAP
GND
VDD
PA2
PA1
PA0-WKUP
VDDA
VREF+
GNDA
VDD
PC3
PC2
PC1
PC0
NRST
OSC_OUT
OSC_IN
VDD
GND
PC15/OSC32_OUT
PC14/OSC32_IN
PC13/TAMPER_RTC
VBAT
PE6
PE5
PE4
PE3
PE2
100pin TQFP
STM32F407VGT6
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
RESET#
OSC_OUT
OSC_IN
CN3
2
4
6
8
10
TMS
TCK
TDO
TDI
RESET#
JTAG
R33 100K
TRST
Figure 3-13: mikroProg™ connection schematic
Page 18
C6
22pF
25MHz
X2
32.768KHz
C33
10pF
VCC-3.3V
3V3
LDO3V3
1
3
5
7
9
C5
22pF
X1
OSC32_OUT
OSC32_IN
J1
VCC-3.3
TDO
TRST
the programming
connector, you
have to solder the
provided 2x5 male
header to the JTAG
(CN3) pads.
C11
TCK
TDI
NOTE Before attaching
3V3
PA14
PA15
PC10
PC11
PC12
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
PB3
PB4
PB5
PB6
PB7
BOOT0
PB8
PB9
PE0
PE1
PDR_ON(RFU)
VDD
VCC-3.3V
C34
10pF
4. Buttons and LEDs
The board also contains a 01 reset button and
a pair of 02 buttons and 03 LEDs,
as well as an ON/OFF
switch. The Reset
button is used to
manually reset the
microcontroller—it
generates a low voltage
level on the microcontroller’s
reset pin. LEDs can be used
for visual indication of the
logic state on two pins (PE12
and PE15). An active LED indicates
that a logic high (1) is present on the
pin. Pressing any of the two buttons can
change the logic state of the microcontroller
pins (PE0 and PA10) from logic high (1) to
logic low (0). In addition to the onboard ON/OFF
switch, two pads (EXT and PSW) allow you to
connect your own external switch.
03
Figure 4-1:
Two LEDs, two buttons
and a reset button
Page 19
02
01
C4
2.2uF
R7
VCC-3.3V
VCC-3.3V
100K
R4
RESET#
3V3
C35
C36
100nF
100nF
VCC-3.3V
VCC-3.3V
C37
C38
100nF
100nF
PA10-T3
VCC-3.3V
VCC-3.3V
C40
C39
10uF
10uF
C7
2.2uF
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
PB12
PB13
PB14
PB15
PD8
PD9
PD10
PD11
PD12
PD13
PD14
PD15
PC6
PC7
PC8
PC9
PA8
PA9
PA10
PA11
PA12
PA13
VCAP
GND
VDD
PA2
PA1
PA0-WKUP
VDDA
VREF+
GNDA
VDD
PC3
PC2
PC1
PC0
NRST
OSC_OUT
OSC_IN
VDD
GND
PC15/OSC32_OUT
PC14/OSC32_IN
PC13/TAMPER_RTC
VBAT
PE6
PE5
PE4
PE3
PE2
100pin TQFP
STM32F407VGT6
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
C5
22pF
X1
RESET#
OSC_OUT
OSC_IN
C3
25MHz
X2
32.768KHz
C33
10pF
C34
10pF
VCC-3.3V
R1
3V3
R2
2K2
J1
LDO3V3
2K2
VCC-3.3V
T2
R33 100K
Figure 4-2: Other modules connection schematic
Page 20
C6
22pF
OSC32_OUT
OSC32_IN
R5
10K
PE0-T2
VCC-3.3V
PE12-LD1
VCC-3.3V
T1
100nF
PE0-T2
100nF
220
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
100nF
RST
U1
VDD
VCAP
PB11
PB10
PE15
PE14
PE13
PE12
PE11
PE10
PE9
PE8
PE7
PB2
PB1
PB0
PC5
PC4
PA7
PA6
PA5
PA4
VDD
GND
PA3
C12
PA14
PA15
PC10
PC11
PC12
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
PB3
PB4
PB5
PB6
PB7
BOOT0
PB8
PB9
PE0
PE1
PDR_ON(RFU)
VDD
C11
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
VCC-3.3V
R3
10K
AVCC
VCC-3.3V
T3
R6
10K
PE15-LD2
100nF
PA10-T3
C10
100nF
PE12-LD1
VCC-3.3V
C9
PE15-LD2
VCC-3.3V
5. Power management and battery charger
clicker 2 for STM32 features
LTC®3586-2, a highly integrated
power management
and battery
charger IC that
includes a current
limited switching
PowerPath manager.
When you solder the
onboard zero-ohm J1
jumper to the LDO position
(Figure 6-1), the LTC®3586-2
will provide an independent,
steady power supply to the MCUs
RTC from the li-polymer battery
or USB, even when the rest of
the system is turned off (or
reset). LTC®3586 also enables
battery charging over a USB
connection.
Figure 5-2: power
management and
battery charger IC
Page 21
Figure 5-1:
zero-ohm
J1 jumper
6. Oscillators
The STM32F407VGT6 microcontroller
is equipped with an internal 16MHz RC
oscillator that provides a stable clock
signal. Since the chips have an integrated
PLL, this base frequency is suitable for
further clock multiplication. Board also
contains an additional 25MHz crystal
oscillator, as well as a 32.768kHz one,
which provides an external clock for the
internal RTCC module.
Figure 6-2:
25MHz crystal
oscillator
module (X1)
Figure 6-1:
32.768 kHz
crystal oscillator
module (X2)
Page 22
C4
2.2uF
VCC-3.3V
R7
VCC-3.3V
AVCC
100K
C9
C10
100nF
100nF
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
VCC-3.3V
3V3
C11
C12
100nF
100nF
VCC-3.3V
VCC-3.3V
C35
C36
100nF
100nF
VCC-3.3V
VCC-3.3V
C37
C38
100nF
100nF
C7
2.2uF
VCC-3.3V
C40
C39
10uF
10uF
PB12
PB13
PB14
PB15
PD8
PD9
PD10
PD11
PD12
PD13
PD14
PD15
PC6
PC7
PC8
PC9
PA8
PA9
PA10
PA11
PA12
PA13
VCAP
GND
VDD
PA2
PA1
PA0-WKUP
VDDA
VREF+
GNDA
VDD
PC3
PC2
PC1
PC0
NRST
OSC_OUT
OSC_IN
VDD
GND
PC15/OSC32_OUT
PC14/OSC32_IN
PC13/TAMPER_RTC
VBAT
PE6
PE5
PE4
PE3
PE2
100pin TQFP
STM32F407VGT6
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
VCC-3.3V
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
PA14
PA15
PC10
PC11
PC12
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
PB3
PB4
PB5
PB6
PB7
BOOT0
PB8
PB9
PE0
PE1
PDR_ON(RFU)
VDD
VCC-3.3V
VDD
VCAP
PB11
PB10
PE15
PE14
PE13
PE12
PE11
PE10
PE9
PE8
PE7
PB2
PB1
PB0
PC5
PC4
PA7
PA6
PA5
PA4
VDD
GND
PA3
U1
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
C5
22pF
X1
OSC_OUT
OSC_IN
25MHz
OSC32_OUT
OSC32_IN
X2
32.768KHz
C33
10pF
VCC-3.3V
3V3
J1
LDO3V3
R33 100K
NOTE The use of crystal in all other schematics is implied even if
it is purposely left out, because of the schematics clarity.
Page 23
C6
22pF
Figure 6-3:
Crystal
oscillator
schematic
C34
10pF
7. USB connection
STM32F407VGT6 microcontrollers has an integrated USB module, which enables you to implement USB
communication functionality to your clicker 2 board. Connection with target USB host is done over a Mini-B
USB connector which is positioned next to the battery connector.
Figure 7-1:
Connecting USB
cable to clicker 2
Page 24
C4
2.2uF
VCC-3.3V VCC-3.3V VCC-3.3V
VCC-3.3V
R7
AVCC
VCC-3.3V VCC-3.3V
C10
C11
C12
C35
C36
100nF
100nF
100nF
100nF
100nF
100nF
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
100K
3V3
C9
R29
R30
C7
2.2uF
PA2
PA1
PA0-WKUP
VDDA
VREF+
GNDA
VDD
PC3
PC2
PC1
PC0
NRST
OSC_OUT
OSC_IN
VDD
GND
PC15/OSC32_OUT
PC14/OSC32_IN
PC13/TAMPER_RTC
VBAT
PE6
PE5
PE4
PE3
PE2
100pin TQFP
STM32F407VGT6
PA14
PA15
PC10
PC11
PC12
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
PB3
PB4
PB5
PB6
PB7
BOOT0
PB8
PB9
PE0
PE1
PDR_ON(RFU)
VDD
USB-D_N
USB-D_P
PB12
PB13
PB14
PB15
PD8
PD9
PD10
PD11
PD12
PD13
PD14
PD15
PC6
PC7
PC8
PC9
PA8
PA9
PA10
PA11
PA12
PA13
VCAP
GND
VDD
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
USB-DET
VDD
VCAP
PB11
PB10
PE15
PE14
PE13
PE12
PE11
PE10
PE9
PE8
PE7
PB2
PB1
PB0
PC5
PC4
PA7
PA6
PA5
PA4
VDD
GND
PA3
U1
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
VCC-3.3V VCC-3.3V VCC-3.3V VCC-3.3V
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
C5
22pF
X1
OSC_OUT
OSC_IN
C37
C38
C40
C39
100nF
100nF
10uF
10uF
C6
22pF
25MHz
OSC32_OUT
OSC32_IN
X2
32.768KHz
C33
10pF
C34
10pF
VCC-USB
VCC-3.3V
3V3
USB-DET
USB-D_N
USB-D_P
R24
100
FP2
FERRITE
J1A
LDO3V3
R33 100K
Figure 7-2: USB module connection schematic
Page 25
R25
1M
C26
10nF
CN2
1
2
3
4
5
VBUS
DD+
ID
GND
USB MINIB
VCC-3.3V
VCC-3.3V
VCC-3.3V
VCC-3.3V
VCC-3.3V
VCC-3.3V
VCC-3.3V
C10
C11
C12
C35
C36
C37
C38
C40
C39
100nF
100nF
100nF
100nF
100nF
100nF
100nF
100nF
10uF
10uF
C4
2.2uF
R7
3V3
PC4-AN
PA7-PWM
PA6-PWM
PA5-PWM
PA4-AN
VCC-3.3V
C9
PB1-AN
PB0-PWM
VCC-3.3V
PB11-I2C2_SDA
PB10-I2C2_SCL
8. Pads
VCC-3.3V
AVCC
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
100K
VSYS
U1
PD10-GPIO
PD11-GPIO
INT
PD13-GPIO
PD14-GPIO
PD15-GPIO
PC7-GPIO
PC8-GPIO
SCK
SDI
SDO
PB12
PB13
PB14
PB15
PD8
PD9
PD10
PD11
PD12
PD13
PD14
PD15
PC6
PC7
PC8
PC9
PA8
PA9
PA10
PA11
PA12
PA13
VCAP
GND
VDD
PA2
PA1
PA0-WKUP
VDDA
VREF+
GNDA
VDD
PC3
PC2
PC1
PC0
NRST
OSC_OUT
OSC_IN
VDD
GND
PC15/OSC32_OUT
PC14/OSC32_IN
PC13/TAMPER_RTC
VBAT
PE6
PE5
PE4
PE3
PE2
100pin TQFP
STM32F407VGT6
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
C7
2.2uF
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
PA14
PA15
PC10
PC11
PC12
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
PB3
PB4
PB5
PB6
PB7
BOOT0
PB8
PB9
PE0
PE1
PDR_ON(RFU)
VDD
VCC-3.3V
AN
PB13-SPI2_SCK
R9
PB14-SPI2_MISO
PB15-SPI2_MOSI
R28
VDD
VCAP
PB11
PB10
PE15
PE14
PE13
PE12
PE11
PE10
PE9
PE8
PE7
PB2
PB1
PB0
PC5
PC4
PA7
PA6
PA5
PA4
VDD
GND
PA3
HDR1
PC0-AN
PC1-AN
PC2-AN
PC3-AN
PB1-AN
PA4-AN
PC4-AN
PD3-INT
PD1-INT
PD2-INT
PD0-INT
PC8-GPIO
PD15-GPIO
PD14-GPIO
PD13-GPIO
PB7-GPIO
PC7-GPIO
PD11-GPIO
PD10-GPIO
PB13-SPI2_SCK
PB14-SPI2_MISO
PB15-SPI2_MOSI
HDR2
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
PA1-UART4_RX
PA0-UART4_TX
PWM
PC3-AN
PC2-AN
PC1-AN
PC0-AN
RESET#
OSC_OUT
OSC_IN
C5
22pF
X1
C6
22pF
25MHz
OSC32_OUT
OSC32_IN
PC13-GPIO
X2
PE6-GPIO
PE5-PWM
PE4-GPIO
PE3-GPIO
PE2-GPIO
32.768KHz
C33
10pF
C34
10pF
RX
TX
SCL
SDA
RESET#
PB9-PWM
PB8-PWM
PE5-PWM
PB0-PWM
PA5-PWM
PA6-PWM
PA7-PWM
PE1-GPIO
PE2-GPIO
PE3-GPIO
PE4-GPIO
PE6-GPIO
PB6-GPIO
PB5-GPIO
PD7-GPIO
PC13-GPIO
PA1-UART4_RX
PA0-UART4_TX
PB10-I2C2_SCL
PB11-I2C2_SDA
VCC-3.3V
VCC-3.3V
3V3
J1
LDO3V3
Pads HDR2
PE1-GPIO
PB8-PWM
PB9-PWM
PD7-GPIO
PB5-GPIO
PB6-GPIO
PB7-GPIO
PD0-INT
PD1-INT
PD2-INT
PD3-INT
R33 100K
Figure 8-1: Connecting pads schematic
Pads HDR1
Most microcontroller pins are available for further connectivity via two 1x26 rows of connection
pads on both sides of the clicker 2 for STM32 board. They are designed to match additional
shields, such as Battery Boost shield, Gaming, PROTO shield and others.
Page 26
9. Pinout
Reset pin
Reference Ground
PWM lines
Digital I/O lines
RX
TX
SCL
I2C2 Lines
SDA
3.3V power supply
Reference Ground
UART4 Lines
RST
GND
VSYS
GND
PC0
PC1
PC2
PC3
PB1
PA4
PC4
PD3
PD1
PD2
PD0
PC8
PD15
PD14
PD13
PB7
PC7
PD11
PD10
PB13
PB14
PB15
3.3V
GND
PB9
PB8
PE5
PB0
PA5
PA6
PA7
PE1
PE2
PE3
PE4
PE6
PB6
PB5
PD7
PC13
PA1
PA0
PB10
PB11
3.3V
GND
Pin functions
Digital lines
System power supply
Reference Ground
Analog Lines
Interrupt Lines
Digital I/O lines
SCK
SDI
SPI2 Lines
SDO
3.3V power supply
Reference Ground
Pin functions
Analog Lines
Interrupt Lines
SPI Lines
Page 27
I2C Lines
UART lines
PWM lines
9.1 mikroBUS™ pinouts
Having two mikroBUS™ sockets and an additional connection pad, clicker 2 for STM32 utilizes all of the STM32F407VGT6’s I/Os.
Each of the three UART outputs has its own separate connection pin (either on mikroBUS™ 1 or 2, or on the 2x26 connection pad).
Of the two SPI lines, one is routed to mikroBUS™ 1; the other is shared between mikroBUS™ 2 and the pins on the connection pad.
Same goes for the two available I2C lines.
SPI3
Lines
Figure 9-1:
mikroBUS™
individual and
shared lines
SPI2
Lines
SCK
MISO
MOSI
SCK
MISO
MOSI
PC10
PC11
PC12
PD6
PD5
PA8
PC9
PB13
PB14
PB15
PD9
PD8
PB10
PB11
Page 28
RX
TX UART2 Lines
SCL
I2C3 Lines
SDA
RX
TX UART3 Lines
SCL
I2C2 Lines
SDA
10. click™ boards are plug and play!
Up to now, MikroElektronika has
released more than 90 mikroBUS™
compatible click™ boards. On the
average, one click board is released
per week. It is our intention to
provide you with as many add-on
boards as possible, so you will be able
to expand your development board
with additional functionality. Each
board comes with a set of working
example code. Please visit the click™
boards webpage for the complete list
of currently available boards:
www.mikroe.com/click
Figure 10-1:
clicker 2 for STM32
driving click™ boards
Page 29
RFid click™
Relay click™
8x8 click™
BarGraph click™
7seg click™
THERMO click™
FM click™
Gyro click™
Page 30
Bluetooth2 click™
Thunder click™
USB SPI click™
EEPROM click™
LightHz click™
Pressure click™
11. Dimensions
Page 31
DISCLAIMER
All the products owned by MikroElektronika are protected by copyright law and international copyright treaty. Therefore, this manual is to be treated as any
other copyright material. No part of this manual, including product and software described herein, may be reproduced, stored in a retrieval system, translated
or transmitted in any form or by any means, without the prior written permission of MikroElektronika. The manual PDF edition can be printed for private or
local use, but not for distribution. Any modification of this manual is prohibited.
MikroElektronika provides this manual ‘as is’ without warranty of any kind, either expressed or implied, including, but not limited to, the implied warranties
or conditions of merchantability or fitness for a particular purpose.
MikroElektronika shall assume no responsibility or liability for any errors, omissions and inaccuracies that may appear in this manual. In no event shall
MikroElektronika, its directors, officers, employees or distributors be liable for any indirect, specific, incidental or consequential damages (including damages
for loss of business profits and business information, business interruption or any other pecuniary loss) arising out of the use of this manual or product,
even if MikroElektronika has been advised of the possibility of such damages. MikroElektronika reserves the right to change information contained in this
manual at any time without prior notice, if necessary.
HIGH RISK ACTIVITIES
The products of MikroElektronika are not fault – tolerant nor designed, manufactured or intended for use or resale as on – line control equipment
in hazardous environments requiring fail – safe performance, such as in the operation of nuclear facilities, aircraft navigation or communication
systems, air traffic control, direct life support machines or weapons systems in which the failure of Software could lead directly to death, personal
injury or severe physical or environmental damage (‘High Risk Activities’). MikroElektronika and its suppliers specifically disclaim any expressed or
implied warranty of fitness for High Risk Activities.
TRADEMARKS
The MikroElektronika name and logo, mikroC™, mikroBasic™, mikroPascal™, Visual TFT™, Visual GLCD™, mikroProg™, Ready™, MINI™, mikroBUS™, EasyPIC™, EasyAVR™,
Easy8051™, click™ boards and mikromedia™ are trademarks of MikroElektronika. All other trademarks mentioned herein are property of their respective companies.
All other product and corporate names appearing in this manual may or may not be registered trademarks or copyrights of their respective companies, and
are only used for identification or explanation and to the owners’ benefit, with no intent to infringe.
Copyright © 2014 MikroElektronika. All Rights Reserved.
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If you want to learn more about our products, please visit our web site at www.mikroe.com
If you are experiencing some problems with any of our products or just need additional
information, please place your ticket at www.mikroe.com/support
If you have any questions, comments or business proposals,
do not hesitate to contact us at [email protected]
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