P87C552 View Datasheet(PDF) - Philips Electronics

Part Name

Description

Manufacturer

P87C552

80C51 8-bit microcontroller 8K/256 OTP, 8 channel 10 bit A/D, I2C, PWM, capture/compare, high I/O, low voltage (2.7V–5.5V), low power

Philips Electronics 

Philips Semiconductors

80C51 8-bit microcontroller

8K/256 OTP, 8 channel 10 bit A/D, I2C, PWM,

capture/compare, high I/O, low voltage (2.7V–5.5V), low power

Preliminary specification

P87C552

ÇÇÇÇÇÇÇÇ RECEPTION OF THE

OWN SLAVE ADDRESS

ÇÇÇÇÇÇÇÇ AND TRANSMISSION

S

SLA

R

A

OF ONE OR MORE

ÇÇÇÇÇÇÇÇ DATA BYTES

A8H

DATA ÇÇÇAÇÇÇÇÇÇÇÇÇDATÇÇÇA ÇÇÇAÇÇÇÇÇÇPoÇÇÇrS ÇÇÇ

B8H

C0H

ARBITRATION LOAST AS MST

A

AND ADDRESSED AS SLAVE

ÇÇÇÇFROM MASTER TO SLAVE

ÇÇÇÇÇÇÇÇFROM SLAVE TO MASTER

B0H

LAST DATA BYTE TRANSMITTED.

SWITCHED TO NOT ADDRESSED

SLAVE (AA BIT IN S1CON = “0”

ÇÇÇÇÇÇÇÇ DATA

A

ANY NUMBER OF DATA BYTES AND THEIR ASSOCIATED ACKNOWLEDGE BITS

ÇÇÇÇÇÇA ÇÇÇ

C8H

n

THIS NUMBER (CONTAINED IN S1STA) CORRESPONDS TO A DEFINED STATE OF THE I2C BUS. SEE TABLE 9.

All “1”s

Figure 42. Format and States of the Slave Transmitter Mode

ÇÇÇPÇÇÇor S ÇÇÇ

SU00974

1999 Mar 30

42

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