PCA9564 データシートの表示（PDF） - Philips Electronics
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PCA9564 Datasheet PDF : 32 Pages
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Philips Semiconductors
Parallel bus to I2C-bus controller
Product data sheet
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
su01492
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
2006 Sep 01
18
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