P89C738ABB 查看數據表（PDF） - Philips Electronics

零件编号

产品描述 (功能)

生产厂家

P89C738ABB

8-bit Flash microcontrollers

Philips Electronics 

This text is here in white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here in

_white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here inThis text is here in

white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader. white to force landscape pages to be ...

XTAL1

XTAL2

T0 (2) T1 (2)

INT0 (2) INT1 (2)

internal

interrupts

VDD

VSS

RXD (2) TXD (2)

TWO 16-BIT

TIMERS/

EVENT

COUNTERS

(T0, T1)

CPU

80C51 core

excluding

ROM/RAM

PROGRAM

MEMORY

64-kbyte

MTP-ROM

DATA

MEMORY

256-byte

RAM

DATA

MEMORY

256-byte

AUX-RAM

PROGRAMMABLE

SERIAL PORT

FULL DUPLEX

UART

SYNCHRONOUS

SHIFT

P89C738

P89C739

8-bit

internal bus

PARALLEL I/O PORTS

AND

EXTERNAL BUS

16 kbytes BUS

EXPANSION CONTROL

16-BIT

TIMER/

EVENT

COUNTER

(T2)

WATCHDOG

TIMER

(T3)

88 88 8 8

internal

reset

P0 P1 P2 P3 P4(3) P5(3)

PSEN ALE/WE

WR (2)

EA

RD (2)

T2EX (1) T2 (1)

RST

MGK189

(1) Alternative function for Port 1.

(2) Alternative function for Port 3.

(3) P4 and P5 are only available on the P89C738ABA and P89C739ABB (PLCC68 and QFP64).

Fig.1 Block diagram.

Share Link: