Pca9665 – NXP Semiconductors PCA9665 User Manual
Page 54
PCA9665_2
© NXP B.V. 2006. All rights reserved.
Product data sheet
Rev. 02 — 7 December 2006
54 of 91
NXP Semiconductors
PCA9665
Fm+ parallel bus to I
2
C-bus controller
Table 44.
Unbuffered Mode (MODE = 0)
Control
bits
LB = x
AA = 0
Master Transmitter mode
•
address/data are transmitted on a byte basis
Master Receiver mode
•
address is transmitted and data are received on a
byte basis
•
NACK returned after one byte received
Slave Transmitter mode
•
NACK returned after own slave address received
•
switch to not addressed slave mode any time
during an I
2
C-bus sequence
Slave Receiver mode
•
NACK returned after own slave address received
•
NACK returned after one byte received
AA = 1
Master Transmitter mode
•
address/data are transmitted on a byte basis
Master Receiver mode
•
data are received on a byte basis
•
ACK returned after one byte received
Slave Transmitter mode
•
ACK returned after own slave address received
•
always addressed during an I
2
C-bus sequence
Slave Receiver mode
•
ACK returned after own slave address received
•
ACK returned after one byte received