Download Datasheet - NXP Semiconductors

NXP Semiconductors
P89LPC9201/9211/922A1/9241/9251
8-bit microcontroller with 8-bit ADC
P89LPC9241/9251
HIGH PERFORMANCE
ACCELERATED 2-CLOCK 80C51 CPU
4 kB/8 kB
CODE FLASH
TXD
RXD
UART
internal
bus
256-BYTE
DATA RAM
REAL-TIME CLOCK/
SYSTEM TIMER
P3[1:0]
PORT 3
CONFIGURABLE I/Os
I2C-BUS
P1[7:0]
PORT 1
CONFIGURABLE I/Os
WATCHDOG TIMER
AND OSCILLATOR
P0[7:0]
PORT 0
CONFIGURABLE I/Os
TIMER 0
TIMER 1
KEYPAD
INTERRUPT
ANALOG
COMPARATORS
SCL
SDA
T0
T1
CMP2
PROGRAMMABLE
OSCILLATOR DIVIDER
CPU
clock
ADC1/DAC1
(TEMPERATURE
SENSOR)
CIN2A
CIN1A
CIN2B
CMP1
CIN1B
AD10
AD11
AD12
AD13
DAC1
XTAL1
CRYSTAL
OR
RESONATOR
CONFIGURABLE
OSCILLATOR
ON-CHIP RC
OSCILLATOR WITH
CLOCK DOUBLER
POWER MONITOR
(POWER-ON RESET,
BROWNOUT RESET)
XTAL2
002aae422
Fig 2.
Block diagram (P89LPC9241/9251)
P89LPC92X1
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2.1 — 27 August 2012
© NXP B.V. 2012. All rights reserved.
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