PCA9564(2003) View Datasheet(PDF) - Philips Electronics

Part Name

Description

Manufacturer

PCA9564
(Rev.:2003)

Parallel bus to I2C-bus controller

Philips Electronics 

Philips Semiconductors

Parallel bus to I2C-bus controller

Product data

PCA9564

SCL

SDA

INT

START

condition

7-bit address

interrupt

R/W = 1

ACK

from slave PCA9564

External master receiver reads data from PCA9564.

first-byte

interrupt

ACK

nbyte

interrupt

no ACK

from master

receiver

Figure 11. Bus timing diagram; slave transmitter mode

STOP

condition

su14092

SCL

SDA

INT

START

condition

7-bit address

interrupt

R/W = 0

ACK

from slave PCA9564

first-byte

interrupt

ACK

nbyte

interrupt

ACK

Slave PCA9564 is written to by external master transmitter.

Figure 12. Bus timing diagram; slave receiver mode

interrupt

(after STOP)

STOP

condition

su01493

2003 Apr 02

18

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