Pca9665 – NXP Semiconductors PCA9665 User 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