NXP Semiconductors PCA9665 - Manual (Page 27)

PCA9665_2 © NXP B.V. 2006. All rights reserved.
Product data sheet Rev. 02 — 7 December 2006 27 of 91
NXP Semiconductors
PCA9665
Fm+ parallel bus to I 2 C-bus controller
Table 31. Slave Receiver Byte mode (MODE = 0)
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
60h Own SLA+W has
been received; ACK
has been returned No I2CDAT action
or X X 0 0 0 Data byte will be received and
NACK will be returned
no I2CDAT action X X 0 1 0 Data byte will be received and ACK
will be returned
68h Arbitration lost in
SLA+R/W as
master; Own
SLA+W has been
received, ACK has
been returned No I2CDAT action
or X X 0 0 0 Data byte will be received and
NACK will be returned
no I2CDAT action X X 0 1 0 Data byte will be received and ACK
will be returned
D0h General Call
address (00h) has
been received; ACK
has been returned. No I2CDAT action
or X X 0 0 0 Data byte will be received and
NACK will be returned.
no I2CDAT action X X 0 1 0 Data byte will be received and ACK
will be returned.
D8h Arbitration lost in
SLA = R/W as
master; General Call
address has been
received; ACK bit
has been returned. No I2CDAT action
or X X 0 0 0 Data byte will be received and
NACK will be returned.
no I2CDAT action X X 0 1 0 Data byte will be received and ACK
will be returned.
80h Previously
addressed with own
slave address; 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
88h Previously
addressed with own
slave address; DATA
byte 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 SLA 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 X 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 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.