PCF8584 데이터 시트보기 (PDF) - NXP Semiconductors.

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PCF8584

I2C-bus controller

NXP Semiconductors. 

Philips Semiconductors

I2C-bus controller

Product specification

PCF8584

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SCL

INT

7-bit address (0CH)

interrupt

START

condition

R/W = 1

ACK

from slave PCF8584

first-byte: 1FH

interrupt

ACK

nbyte

no ACK

interrupt

STOP

condition

from master

receiver

MBE711

External master receiver reads data from PCF8584.

Fig.12 Bus timing diagram; slave transmitter mode.

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SCL

INT

7-bit address (62H)

interrupt

START

condition

R/W = 0

ACK

from slave PCF8584

first-byte (CCH)

interrupt

ACK

nbyte

interrupt

ACK

interrupt

(after STOP)

STOP

condition

MBE708

Slave PCF8584 is written to by external master transmitter.

Fig.13 Bus timing diagram; slave receiver mode.

1997 Oct 21

21

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