PCA9665D NXP [NXP Semiconductors], PCA9665D Datasheet - Page 46

• Manufacturer Part Number: PCA9665D
• Description: Fm+ parallel bus to I2C-bus controller
• Manufacturer: NXP [NXP Semiconductors]

Table 41.
Status
code
(I2CSTA)
A8h
B0h
B8h
C0h
Slave Transmitter Buffered mode (MODE = 1)
Status of the
I
PCA9665
Own SLA+R has
been received;
ACK has been
returned
Arbitration lost in
SLA+R/W as
master; Own
SLA+R has been
received, ACK has
been returned
BC[6:0] bytes in
I2CDAT have been
transmitted;
ACK has been
received
Up to BC[6:0] bytes
in I2CDAT have
been transmitted;
NACK has been
received
2
C-bus and the
Application software response
To/from I2CDAT
Load data bytes
or
Load data bytes
Load data bytes
or
Load data bytes
Load data bytes
or
Load data bytes
No I2CDAT action
or
No I2CDAT action
or
No I2CDAT action
or
No I2CDAT action X
To/from I2CCOUNT
LB BC[6:0]
X
X
X
X
X
X
X
X
X
Total number of data
bytes to be transmitted
Total number of data
bytes to be transmitted
Total number of data
bytes to be transmitted
Total number of data
bytes to be transmitted
Total number of data
bytes to be transmitted
Total number of data
bytes to be transmitted
X
X
X
X
To I2CCON
STA STO SI
X
X
X
X
X
X
0
0
1
1
X
X
X
X
X
X
X
X
X
X
0
0
0
0
0
0
0
0
0
0
AA MODE
0
1
0
1
0
1
0
1
0
1
1
1
1
1
1
1
1
1
1
1
Next action taken by the PCA9665
Up to BC[6:0] bytes will be transmitted.
PCA9665 switches to the not addressed
mode after BC[6:0] bytes have been
transmitted.
Up to BC[6:0] bytes will be transmitted.
Up to BC[6:0] bytes will be transmitted.
PCA9665 switches to the not addressed
mode after BC[6:0] bytes have been
transmitted
Up to BC[6:0] bytes will be transmitted.
Up to BC[6:0] bytes will be transmitted.
PCA9665 switches to the not addressed
mode after BC[6:0] bytes have been
transmitted
Up to BC[6:0] bytes will be transmitted.
Switched to not addressed slave mode;
No recognition of own slave address;
General Call address recognized if GC = 1
Switched to slave mode; Own slave address
will be recognized; General Call address
recognized if GC = 1
Switched to not addressed slave mode;
No recognition of own slave address;
General Call address will be recognized if
GC = 1; A START condition will be
transmitted when the bus becomes free
Switched to 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