pca9665 NXP Semiconductors, pca9665 Datasheet - Page 63

• Manufacturer Part Number: pca9665
• Description: Fm+ Parallel Bus To I2c-bus Controller
• Manufacturer: NXP Semiconductors

NXP Semiconductors
PCA9665_2
Product data sheet
Fig 23. Bus timing diagram; Buffered Master Transmitter mode
Fig 24. Bus timing diagram; Buffered Master Receiver mode
(1) 7-bit address + R/W = 0 byte and number of bytes sent = value programmed in I2CCOUNT register (BC[6:0]
(1) Number of bytes received = value programmed in I2CCOUNT register (BC[6:0]
Master PCA9665 writes data to slave transmitter.
Master PCA9665 reads data from slave transmitter.
SDA
condition
SDA
condition
SCL
SCL
INT
INT
START
START
from slave receiver
8.13 I
7-bit address
7-bit address
The diagrams
PCA9665 in master/slave functions.
2
C-bus timing diagrams, Buffered mode
R/W = 0
R/W = 1
from slave
(1)
ACK
ACK
(Figure 23
Rev. 02 — 7 December 2006
through
first byte
first byte
(1)
(1)
Figure
ACK
ACK
from master receiver
26) illustrate typical timing diagrams for the
n byte
n byte
Fm+ parallel bus to I
68).
(1)
(1)
no ACK
ACK
interrupt
PCA9665
© NXP B.V. 2006. All rights reserved.
2
002aab267
002aab268
STOP
condition
STOP
condition
C-bus controller
68).
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