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PCA9564BS Datasheet PDF : 32 Pages
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Philips Semiconductors
Parallel bus to I2C-bus controller
Product data sheet
PCA9564
Table 4. Slave Receiver Mode
STATUS
CODE
(I2CSTA)
STATUS OF THE
I2C BUS AND
SIO HARDWARE
APPLICATION SOFTWARE RESPONSE
TO I2CCON
TO/FROM I2CDAT
STA STO SI AA
NEXT ACTION TAKEN BY SIO HARDWARE
60H Own SLA+W has
No I2CDAT action
been received; ACK or
has been returned
no I2CDAT action
X
X
0 0 Data byte will be received and NOT ACK will be
returned
X
X
0 1 Data byte will be received and ACK will be returned
68H Arbitration lost in
No I2CDAT action
SLA+R/W as master; or
Own SLA+W has
been received, ACK
returned
no I2CDAT action
X
X
0 0 Data byte will be received and NOT ACK will be
returned
X
X
0 1 Data byte will be received and ACK will be returned
80H Previously addressed Read data byte or
with own SLV
address; DATA has
been received; ACK
has been returned
read data byte
X
X
0 0 Data byte will be received and NOT ACK will be
returned
X
X
0 1 Data byte will be received and ACK will be returned
88H Previously addressed Read data byte or
with own SLA; DATA
byte has been
received; NOT ACK
has been returned
read data byte or
read data byte or
0
X
0 0 Switched to not addressed SLV mode; no recognition
of own SLA
0
X
0 1 Switched to not addressed SLV mode; Own SLA will
be recognized
1
X
0 0 Switched to not addressed SLV mode; no recognition
of own SLA. A START condition will be transmitted
when the bus becomes free
read data byte
1
X
0 1 Switched to not addressed SLV mode; Own SLA will
be recognized. A START condition will be transmitted
when the bus becomes free.
A0H A STOP condition or No I2CDAT action
repeated START
or
condition has been
received while still
addressed as
No I2CDAT action
or
SLV/REC
No I2CDAT action
or
0
X
0 0 Switched to not addressed SLV mode; no recognition
of own SLA
0
X
0 1 Switched to not addressed SLV mode; Own SLA will
be recognized
1
X
0 0 Switched to not addressed SLV mode; no recognition
of own SLA. A START condition will be transmitted
when the bus becomes free
No I2CDAT action
1
X
0 1 Switched to not addressed SLV mode; Own SLA will
be recognized. A START condition will be transmitted
when the bus becomes free.
2006 Sep 01
13
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