Datasheet > 87C524

87C524

更新时间： 2022-12-11 19:23:03

品牌	Logo	应用领域
恩智浦 - NXP		微控制器
页数	文件大小	规格书
26页	190K
描述
80C51 8-bit microcontrollers 16K/32K, 512 OTP, I2C, watchdog timer

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87C524 数据手册

Philips Semiconductors

Product specification

80C51 8-bit microcontrollers

87C524/87C528

16K/32K, 512 OTP, I²C, watchdog timer

BLOCK DIAGRAM

FREQUENCY

REFERENCE

COUNTERS

T0 T1

RST

XTAL2 XTAL1

T2EX

RAM

AUX–RAM

PROGRAM

MEMORY

(32K x 8

OSCILLATOR

AND

TIMING

DATA

MEMORY

(256 x 8)

DATA

MEMORY

(256 x 8)

TWO 16-BIT

TIMER/EVENT

COUNTERS

WATCHDOG

TIMER

16-BIT TIMER/

EVENT COUNTER

EPROM)

CPU

PROGRAMMABLE

SERIAL PORT

FULL DUPLEX UART

64K-BYTE BUS

EXPANSION

CONTROL

BIT-LEVEL

I C

INTERFACE

PROGRAMMABLE I/O

INTERNAL

INTERRUPTS

SYNCHRONOUS SHIFT

SERIAL IN

SERIAL OUT

INT0 INT1

CONTROL

PARALLEL PORTS,

ADDRESS/DATA BUS

AND I/O PINS

SDA

SCL

SHARED WITH

PORT 3

EXTERNAL

INTERRUPTS

SU00166

LOGIC SYMBOL

XTAL1

ADDRESS AND

DATA BUS

XTAL2

T2EX

RST

PSEN

ALE

SCL

SDA

RxD

TxD

INT0

INT1

ADDRESS BUS

SU00165

1999 Jul 23

1 234 5 6 7...26

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