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PCA9564 Datasheet(PDF) 11 Page - NXP Semiconductors

Part # PCA9564
Description  Parallel bus to I2C-bus controller
PDF  32 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

PCA9564 Datasheet(HTML) 11 Page - NXP Semiconductors

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Philips Semiconductors
Product data sheet
PCA9564
Parallel bus to I2C-bus controller
2006 Sep 01
11
Table 2.
Master Transmitter Mode
STATUS
STATUS OF THE
APPLICATION SOFTWARE RESPONSE
STATUS
CODE
(I2CSTA)
STATUS OF THE
I2C BUS AND
SIO HARDWARE
TO/FROM I2CDAT
TO I2CCON
NEXT ACTION TAKEN BY SIO HARDWARE
(I2CSTA)
SIO HARDWARE
TO/FROM I2CDAT
STA
STO
SI
AA
08H
A START condition has
been transmitted
Load SLA+W
X
X
0
X
SLA+W will be transmitted;
ACK bit will be received
10H
A repeated START
diti
h
b
Load SLA+W or
X
X
0
X
As above
condition has been
transmitted
Load SLA+R
X
X
0
X
SLA+R will be transmitted;
SIO will be switched to MST/REC mode
18H
SLA+W has been
transmitted; ACK has
bi
d
Load data byte or
0
0
0
X
Data byte will be transmitted;
ACK bit will be received
been received
no I2CDAT action or
1
0
0
X
Repeated START will be transmitted;
no I2CDAT action or
0
1
0
X
STOP condition will be transmitted;
STO flag will be reset
no I2CDAT action
1
1
0
X
STOP condition followed by a
START condition will be transmitted;
STO flag will be reset
20H
SLA+W has been
transmitted; NOT ACK
hb
i
d
Load data byte or
0
0
0
X
Data byte will be transmitted;
ACK bit will be received
has been received
no I2CDAT action or
1
0
0
X
Repeated START will be transmitted;
no I2CDAT action or
0
1
0
X
STOP condition will be transmitted;
STO flag will be reset
no I2CDAT action
1
1
0
X
STOP condition followed by a
START condition will be transmitted;
STO flag will be reset
28H
Data byte in I2CDAT
has been transmitted;
ACK h
b
i
d
Load data byte or
0
0
0
X
Data byte will be transmitted;
ACK bit will be received
ACK has been received
no I2CDAT action or
1
0
0
X
Repeated START will be transmitted;
no I2CDAT action or
0
1
0
X
STOP condition will be transmitted;
STO flag will be reset
no I2CDAT action
1
1
0
X
STOP condition followed by a
START condition will be transmitted;
STO flag will be reset
30H
Data byte in I2CDAT
has been transmitted;
NOT ACK h
b
Load data byte or
0
0
0
X
Data byte will be transmitted;
ACK bit will be received
NOT ACK has been
received
no I2CDAT action or
1
0
0
X
Repeated START will be transmitted;
received
no I2CDAT action or
0
1
0
X
STOP condition will be transmitted;
STO flag will be reset
no I2CDAT action
1
1
0
X
STOP condition followed by a
START condition will be transmitted;
STO flag will be reset
38H
Arbitration lost in
SLA+W or
Db
No I2CDAT action or
0
0
0
X
I2C-bus will be released;
not addressed slave will be entered
Data bytes
No I2CDAT action
1
0
0
X
A START condition will be transmitted when the
bus becomes free (STOP or SCL and SDA high)



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