pca9665 NXP Semiconductors, pca9665 Datasheet - Page 20

• Manufacturer Part Number: pca9665
• Description: Fm+ Parallel Bus To I2c-bus Controller
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 27.
PCA9665_2
Product data sheet
Status
code
(I2CSTA)
08h
10h
18h
20h
28h
Master Transmitter Byte mode (MODE = 0)
Status of the
I
PCA9665
A START condition
has been transmitted
A repeated START
condition has been
transmitted
SLA+W has been
transmitted; ACK has
been received
SLA+W has been
transmitted; NACK
has been received
Data byte in I2CDAT
has been transmitted;
ACK has been
received
2
C-bus and the
Application software response
To/from I2CDAT To I2CCON
Load SLA+W
Load SLA+W or
Load SLA+R
Load data byte or 0
no I2CDAT action
or
no I2CDAT action
or
no I2CDAT action 1
Load data byte or 0
no I2CDAT action
or
no I2CDAT action
or
no I2CDAT action 1
Load data byte or 0
no I2CDAT action
or
no I2CDAT action
or
no I2CDAT action 1
Rev. 02 — 7 December 2006
STA STO SI
X
X
X
1
0
1
0
1
0
X
X
X
0
0
1
1
0
0
1
1
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
AA MODE
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Fm+ parallel bus to I
Next action taken by the PCA9665
SLA+W will be transmitted;
ACK/NACK will be received
SLA+W will be transmitted;
ACK/NACK will be received
SLA+R will be transmitted;
PCA9665 will be switched to Master
Receiver Byte mode
Data byte will be transmitted;
ACK/NACK will be received
Repeated START will be transmitted;
STOP condition will be transmitted;
STO flag will be reset
STOP condition followed by a START
condition will be transmitted;
STO flag will be reset
Data byte will be transmitted;
ACK/NACK will be received
Repeated START will be transmitted;
STOP condition will be transmitted;
STO flag will be reset
STOP condition followed by a START
condition will be transmitted;
STO flag will be reset
Data byte will be transmitted;
ACK/NACK will be received
Repeated START will be transmitted;
STOP condition will be transmitted;
STO flag will be reset
STOP condition followed by a START
condition will be transmitted;
STO flag will be reset
PCA9665
© NXP B.V. 2006. All rights reserved.
2
C-bus controller
20 of 91