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PCA9665D Datasheet(PDF) 24 Page - NXP Semiconductors

Part # PCA9665D
Description  Fm parallel bus to I2C-bus controller
PDF  91 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

PCA9665D Datasheet(HTML) 24 Page - NXP Semiconductors

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PCA9665_2
© NXP B.V. 2006. All rights reserved.
Product data sheet
Rev. 02 — 7 December 2006
24 of 91
NXP Semiconductors
PCA9665
Fm+ parallel bus to I2C-bus controller
Table 28.
Master Receiver Byte mode (MODE = 0)
Status
code
(I2CSTA)
Status of the
I2C-bus and the
PCA9665
Application software response
Next action taken by the PCA9665
To/from I2CDAT
To I2CCON
STA STO SI
AA
MODE
08h
A START condition
has been
transmitted
Load SLA+R
X
X
0
X
0
SLA+R will be transmitted;
ACK/NACK bit will be received
10h
A repeated START
condition has been
transmitted
Load SLA+R or
X
X
0
X
0
SLA+R will be transmitted;
ACK/NACK bit will be received
Load SLA+W
X
X
0
X
0
SLA+W will be transmitted;
PCA9665 will be switched to
Master Transmitter Byte mode
38h
Arbitration lost in
NACK bit
No I2CDAT action
or
00
0
X
0
I2C-bus will be released;
PCA9665 will enter a slave mode
no I2CDAT action
1
0
0
X
0
A START condition will be
transmitted when the bus becomes
free
40h
SLA+R has been
transmitted; ACK
has been received
No I2CDAT action
or
0
0
0
0
0
Data byte will be received;
NACK bit will be returned
no I2CDAT action
0
0
0
1
0
Data byte will be received;
ACK bit will be returned
48h
SLA+R has been
transmitted; NACK
has been received
No I2CDAT action
or
1
0
0
X
0
Repeated START condition will be
transmitted
no I2CDAT action
or
0
1
0
X
0
STOP condition will be transmitted;
STO flag will be reset
no I2CDAT action
1
1
0
X
0
STOP condition followed by a START
condition will be transmitted;
STO flag will be reset
50h
Data byte has been
received; ACK has
been returned
Read data byte or
0
0
0
0
0
Data byte will be received;
NACK bit will be returned
read data byte
0
0
0
1
0
Data byte will be received;
ACK bit will be returned
58h
Data byte has been
received; NACK has
been returned
Read data byte or
1
0
0
X
0
Repeated START condition will be
transmitted
read data byte or
0
1
0
X
0
STOP condition will be transmitted;
STO flag will be reset
read data byte
1
1
0
X
0
STOP condition followed by a START
condition will be transmitted;
STO flag will be reset



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