PCA9665D NXP [NXP Semiconductors], PCA9665D Datasheet - Page 39

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

Table 36.
Status
code
(I2CSTA)
50h
58h
Master Receiver Buffered mode (MODE = 1)
Status of the
I
PCA9665
BC[6:0] data bytes
have been received;
ACK has been
returned for all the
bytes
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
2
C-bus and the
Application software response
To/from I2CDAT
Read data bytes
or
Read data bytes
or
Read data bytes
or
Read data bytes
or
Read data bytes
To/from I2CCOUNT
LB BC[6:0]
0
1
X
X
X
…continued
Total number of bytes
to be received
Total number of bytes
to be received
X
X
X
To I2CCON
STA STO SI
0
0
1
0
1
0
0
0
1
1
0
0
0
0
0
AA MODE
X
X
X
X
X
1
1
1
1
1
Next action taken by the PCA9665
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
Repeated START condition 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.