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 I2C-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 I2C-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 I2C-bus sequence
Slave Receiver mode
•ACK returned after own slave address received
•ACK returned after one byte received