PCA9665D NXP [NXP Semiconductors], PCA9665D Datasheet - Page 43

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

Table 40.
Status
code
(I2CSTA)
80h
88h
E0h
Slave Receiver Buffered mode (MODE = 1)
Status of the
I
PCA9665
Previously addressed
with own slave
address;
BC[6:0] data bytes
have been received;
ACK has been
returned for all the
bytes
Previously addressed
with own slave
address;
BC[6:0] data bytes
have been received;
ACK has been
returned for all the
bytes, except for the
last one where NACK
bit has been returned
Previously addressed
with General Call;
BC[6:0] data bytes
have been received;
ACK has been
returned for all the
bytes
2
C-bus and the
Application software response
To/from I2CDAT
Read data bytes
or
Read data bytes
Read data bytes
or
Read data bytes
or
Read data bytes
or
Read data bytes
Read data bytes
or
Read data bytes
To/from I2CCOUNT
LB BC[6:0]
0
1
X
X
X
X
0
1
…continued
Total number of
bytes to be
received
Total number of
bytes to be
received
X
X
X
X
Total number of
bytes to be
received
Total number of
bytes to be
received
To I2CCON
STA STO SI
X
X
0
0
1
1
X
X
X
X
X
X
X
X
X
X
0
0
0
0
0
0
0
0
AA MODE
X
X
0
1
0
1
X
X
1
1
1
1
1
1
1
1
Next action taken by the PCA9665
Up to BC[6:0] data bytes will be received, ACK bit
will be returned for all of them.
Up to BC[6:0] data bytes will be received, ACK bit
will be returned for all of them, except for the last
one where NACK bit will be returned (unless
master transmitter sends a STOP or Repeated
START condition before).
Switched to not addressed slave mode;
No recognition of own slave address; General
Call address will be recognized if GC = 1.
Switched to not addressed slave mode;
Own slave address will be recognized;
General Call address will be 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 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.
BC[6:0] data bytes will be received, ACK bit will
be returned for all of them.
BC[6:0] data bytes will be received, ACK bit will
be returned for all of them, except for the last one
where NACK bit will be returned (unless master
transmitter sends a STOP or Repeated START
condition before).