P89C660 View Datasheet(PDF) - Philips Electronics

Part Name

Description

Manufacturer

P89C660

80C51 8-bit Flash microcontroller family

Philips Electronics 

Philips Semiconductors

80C51 8-bit Flash microcontroller family

16KB/32KB/64KB ISP/IAP Flash with 512B/1KB/2KB/8KB RAM

Product data

P89C660/P89C662/P89C664/

P89C668

BLOCK DIAGRAM (CPU-ORIENTED)

VCC

VSS

RAM ADDR

REGISTER

RAM

P0.0–P0.7

PORT 0

DRIVERS

PORT 0

LATCH

P2.0–P2.7

PORT 2

DRIVERS

PORT 2

LATCH

FLASH

B

REGISTER

ACC

TMP2

TMP1

STACK

POINTER

8

PROGRAM

ADDRESS

REGISTER

PSEN

ALE

EA/VPP

RST

TIMING

AND

CONTROL

PD

OSCILLATOR

XTAL1

XTAL2

ALU

PSW

SFRs

TIMERS

P.C.A.

BUFFER

PC

INCRE-

MENTER

8

16

PROGRAM

COUNTER

PORT 1

I2C

LATCH

PORT 3

LATCH

DPTR’S

MULTIPLE

PORT 1

DRIVERS

P1.0–P1.7

SCL

SDA

PORT 3

DRIVERS

P3.0–P3.7

su01089

2002 Oct 28

5

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