P89LPC922A1FDH datasheet(4/75 Pages) NXP

部件名	P89LPC922A1FDH

功能描述	8-bit microcontroller with accelerated two-clock 80C51 core 2 kB/4 kB/8 kB 3 V byte-erasable flash with 8-bit ADC

PDF	75 Pages

Scroll/Zoom	100%

制造商	NXP [NXP Semiconductors]

网页	http://www.nxp.com

标志

4 / 75 page

P89LPC92X1

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Product data sheet

Rev. 2 — 1 December 2010

4 of 75

NXP Semiconductors

P89LPC9201/9211/922A1/9241/

8-bit microcontroller with 8-bit ADC

Block diagram

Fig 1.

Block diagram (P89LPC9201/9211/922A1)

HIGH PERFORMANCE

ACCELERATED 2-CLOCK 80C51 CPU

2 kB/4 kB/8 kB

CODE FLASH

256-BYTE

DATA RAM

PORT 1

CONFIGURABLE I/Os

PORT 0

CONFIGURABLE I/Os

KEYPAD

INTERRUPT

PROGRAMMABLE

OSCILLATOR DIVIDER

CPU

clock

CONFIGURABLE

OSCILLATOR

ON-CHIP RC

OSCILLATOR WITH

CLOCK DOUBLER

internal

bus

CRYSTAL

RESONATOR

POWER MONITOR

(POWER-ON RESET,

BROWNOUT RESET)

002aae421

ANALOG

COMPARATORS

I2C-BUS

PORT 3

CONFIGURABLE I/Os

P89LPC9201/9211/922A1

TIMER 0

TIMER 1

WATCHDOG TIMER

AND OSCILLATOR

P3[1:0]

P1[7:0]

P0[7:0]

XTAL2

XTAL1

SCL

SDA

TXD

RXD

UART

REAL-TIME CLOCK/

SYSTEM TIMER

CMP2

CIN2B

CIN2A

CMP1

CIN1A

CIN1B

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