NXP Semiconductors PCA9665 - 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