NXP Semiconductors PCA9665 - Manual (Page 28)

PCA9665_2 © NXP B.V. 2006. All rights reserved.
Product data sheet Rev. 02 — 7 December 2006 28 of 91
NXP Semiconductors
PCA9665
Fm+ parallel bus to I 2 C-bus controller
E0h Previously
addressed with
General Call; Data
has been received;
ACK has been
returned Read data byte or X X 0 0 0 Data byte will be received and
NACK will be returned.
read data byte X X 0 1 0 Data byte will be received and ACK
will be returned.
E8h Previously
addressed with
General Call; Data
has been received;
NACK has been
returned Read data byte or 0 X 0 0 0 Switched to not addressed slave
mode; no recognition of own slave
address or General Call address.
read data byte or 0 X 0 1 0 Switched to not addressed slave
mode; own slave address will be
recognized; General Call address
will be recognized if GC = 1.
read data byte or 1 0 0 0 0 Switched to not addressed slave
mode; no recognition of own slave
address or General Call address. A
START condition will be transmitted
when the bus becomes free.
read data byte 1 0 0 1 0 Switched to not addressed slave
mode; own slave address will be
recognized; General Call address
will be recognized if GC = 1. A
START condition will be transmitted
when the bus becomes free.
A0h A STOP condition or
repeated START
condition has been
received while still
addressed as Slave
Receiver No I2CDAT action
or 0 X 0 0 0 Switched to not addressed slave
mode; no recognition of own slave
address or General Call address.
No I2CDAT action
or 0 X 0 1 0 Switched to not addressed slave
mode; Own slave address will be
recognized; General Call will be
recognized if GC = 1.
No I2CDAT action
or 1 X 0 0 0 Switched to not addressed slave
mode; no recognition of own slave
address or General Call. A START
condition will be transmitted when
the bus becomes free
No I2CDAT action 1 X 0 1 0 Switched to not addressed slave
mode; Own slave address will be
recognized; General Call will be
recognized if GC = 1. A START
condition will be transmitted when
the bus becomes free.
Table 31. Slave Receiver Byte mode (MODE = 0) …continued
Status
code
(I2CSTA) Status of the
I
2 C-bus and the
PCA9665
Application software response Next action taken by the
PCA9665
To/from I2CDAT To I2CCON
STA STO SI AA MODE