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Radiocrafts
RC11xx-RC232
Embedded Wireless Solutions
Pin Assignment
30
GND
29
28
27
26
25
24
23
1
14
GND
CTS/RXTX
2
13
VCC
RTS/SLEEP
3
12
CONFIG
4
11
TXD
5
10
RXD
6
9
GND
7
8
15
16
17
18
19
20
21
RESET
NC
GND
RF
GND
22
Pin Description
Pin no Pin name
1
GND
Pin type Description
System ground
2
Output
3
4
5
6
7
8
CTS/RXTX
RTS/SLEEP
CONFIG
TXD
RXD
GND
GND
2010 Radiocrafts AS
Input
Input
Output
Input
UART Clear to Send or
UART RXTX
UART Request to Send.
Set low to enter Sleep
mode if RTS handshake
is not in use.
(See Note 2)
Configuration Enable.
Active low. Should
normally be set high.
(See Note 2)
UART TX Data
UART RX Data.
Use external max 8k2
kohm pull-up resistor if
connected to an open
collector output from a
host MCU or other high
impedance circuitry like
level shifters.
(See Note 1)
System ground
System ground
RC11xx-RC232 Data Sheet (rev. 1.42)
Equivalent circuit
GND
VCC
Input:
20k
VCC
Output:
GND
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