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P89LPC938FHN

更新时间： 2024-02-06 01:18:36

品牌	Logo	应用领域
恩智浦 - NXP		转换器闪存微控制器时钟
页数	文件大小	规格书
68页	306K
描述
8-bit microcontroller with accelerated two-clock 80C51 core 8 kB 3 V byte-erasable Flash with 10-bit A/D converter

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P89LPC938FHN 数据手册

P89LPC938

Philips Semiconductors

8-bit microcontroller with 10-bit A/D converter

4. Block diagram

P89LPC938

ACCELERATED 2-CLOCK 80C51 CPU

TXD

RXD

8 kB

CODE FLASH

UART

internal

bus

SCL

SDA

256-BYTE

DATA RAM

I C-BUS

SPI

SPICLK

MOSI

MISO

512-BYTE

AUXILIARY RAM

REAL-TIME CLOCK/

SYSTEM TIMER

512-BYTE

DATA EEPROM

TIMER 0

TIMER 1

PORT 3

CONFIGURABLE I/Os

P3[1:0]

P2[7:0]

CMP2

CIN2A

CIN1A

CIN2B

CMP1

CIN1B

ANALOG

COMPARATORS

PORT 2

CONFIGURABLE I/Os

OCA

OCC

ICA

PORT 1

CONFIGURABLE I/Os

OCB

OCD

ICB

P1[7:0]

P0[7:0]

CCU (CAPTURE/

COMPARE UNIT)

PORT 0

CONFIGURABLE I/Os

AD00

AD02

AD01

AD03

KEYPAD

INTERRUPT

ADC0

AD04

AD06

AD05

AD07

WATCHDOG TIMER

AND OSCILLATOR

PROGRAMMABLE

OSCILLATOR DIVIDER

CPU

clock

POWER MONITOR

(POWER-ON RESET,

BROWNOUT RESET)

CRYSTAL

RESONATOR

ON-CHIP

OSCILLATOR

CONFIGURABLE

OSCILLATOR

002aab106

Fig 1. Block diagram.

9397 750 14051

Product data sheet

Rev. 01 — 25 February 2005

4 of 68

1 2 345 6 7...68

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