P83C528FBA datasheet(17/26 Pages) PHILIPS

部件名	P83C528FBA

功能描述	CMOS single-chip 8-bit microcontroller

PDF	26 Pages

Scroll/Zoom	100%

制造商	PHILIPS [NXP Semiconductors]

网页	http://www.nxp.com

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17 / 26 page

Philips Semiconductors

Product specification

80C528/83C528

CMOS single-chip 8-bit microcontrollers

1995 Feb 02

tLLAX

ALE

PSEN

PORT 0

PORT 2

Figure 3. External Data Memory Write Cycle

A0–A7

FROM RI OR DPL

DATA OUT

A0–A7 FROM PCL

INSTR IN

P2.0–P2.7 OR A8–A15 FROM DPF

A8–A15 FROM PCH

tWHLH

tLLWL

tWLWH

tAVLL

tAVWL

tQVWX

tWHQX

Figure 4. Shift Register Mode Timing

INSTRUCTION

ALE

CLOCK

OUTPUT DATA

WRITE TO SBUF

INPUT DATA

CLEAR RI

VALID

SET TI

SET RI

tXLXL

tQVXH

tXHQX

tXHDX

tXHDV

Figure 5. Timing SIO1 (I2C) Interface

tRD

tSU;STA

tBUF

tSU; STO

0.7 VDD

0.3 VDD

0.7 VDD

0.3 VDD

tFD

tRC

tFC

tHIGH

tLOW

tHD;STA

tSU;DAT1

tHD;DAT

tSU;DAT2

tSU;DAT3

START condition

repeated START condition

SDA

(INPUT/OUTPUT)

SCL

(INPUT/OUTPUT)

STOP condition

START or repeated START condition

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