pca9564 NXP Semiconductors, pca9564 Datasheet - Page 18
pca9564
Manufacturer Part Number
pca9564
Description
Parallel Bus To I2c-bus Controller
Manufacturer
NXP Semiconductors
Datasheet
1.PCA9564.pdf
(32 pages)
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Philips Semiconductors
2006 Sep 01
SCL
SDA
INT
Parallel bus to I
External master receiver reads data from PCA9564.
SCL
SDA
INT
Slave PCA9564 is written to by external master transmitter.
condition
START
condition
START
from slave PCA9564
from slave PCA9564
7-bit address
7-bit address
2
R/W = 1
C-bus controller
R/W = 0
ACK
ACK
Figure 11. Bus timing diagram; slave transmitter mode
interrupt
Figure 12. Bus timing diagram; slave receiver mode
interrupt
first-byte
first-byte
18
ACK
ACK
interrupt
interrupt
from master
receiver
nbyte
nbyte
no ACK
ACK
interrupt
interrupt
condition
STOP
PCA9564
condition
Product data sheet
STOP
(after STOP)
su01492
interrupt
su01493