pca9564 NXP Semiconductors, pca9564 Datasheet - Page 14

• Manufacturer Part Number: pca9564
• Description: Parallel Bus To I2c-bus Controller
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 5.
Table 6.
2006 Sep 01
(I2CSTA)
(I2CSTA)
(I2CSTA)
(I2CSTA)
STATUS
STATUS
STATUS
STATUS
CODE
CODE
Parallel bus to I
C0H
C8H
A8H
B0H
B8H
F8H
70H
90H
00H
Own SLA+R has
been received; ACK
h
has been returned
Arbitration lost in
SLA+R/W as master;
Own SLA+R has
Own SLA+R has
been received, ACK
has been returned
Data byte in I2CDAT
has been transmitted;
ACK h
ACK has been
received
Data byte in I2CDAT
has been transmitted;
NOT ACK h
NOT ACK has been
received
Last data byte in
I2CDAT has been
transmitted (AA = 0);
ACK has been
received
received
On reset or STOP
Bus error
SDA stuck LOW
Bus error
SCL stuck LOW
Bus error during
master or slave
mode, due to illegal
START or STOP
condition
STATUS OF THE
STATUS OF THE
SIO HARDWARE
SIO HARDWARE
STATUS OF THE
STATUS OF THE
SIO HARDWARE
SIO HARDWARE
Slave Transmitter Mode
Miscellaneous States
I
I
b
2
2
C BUS AND
C BUS AND
i
b
d (AA
b
d
2
0)
C-bus controller
Load data byte or
load data byte
Load data byte or
load data byte
Load data byte or
load data byte
No I2CDAT action
or
no I2CDAT action or
no I2CDAT action or
no I2CDAT action
No I2CDAT action
or
no I2CDAT action or
no I2CDAT action or
no I2CDAT action
No I2CDAT action
No I2CDAT action
No I2CDAT action
TO/FROM I2CDAT
TO/FROM I2CDAT
TO/FROM I2CDAT
TO/FROM I2CDAT
APPLICATION SOFTWARE RESPONSE
APPLICATION SOFTWARE RESPONSE
STA
STA
X
X
X
X
X
X
0
0
1
1
0
0
1
1
1
0
0
TO I2CCON
TO I2CCON
STO
STO
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
14
SI
SI
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
AA
AA
X
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Last data byte will be transmitted and ACK bit will be
received
Data byte will be transmitted; ACK will be received
Last data byte will be transmitted and ACK bit will be
received
Data byte will be transmitted; ACK bit will be
received
Last data byte will be transmitted and ACK bit will be
received
Data byte will be transmitted; ACK bit will be
received
Switched to not addressed SLV mode; no recognition
of own SLA
Switched to not addressed SLV mode; Own SLA will
be recognized
Switched to not addressed SLV mode; no recognition
of own SLA. A START condition will be transmitted
when the bus becomes free
Switched to not addressed SLV mode; Own SLA will
be recognized. A START condition will be transmitted
when the bus becomes free.
Switched to not addressed SLV mode; no recognition
of own SLA
Switched to not addressed SLV mode; Own SLA will
be recognized
Switched to not addressed SLV mode; no recognition
of own SLA. A START condition will be transmitted
when the bus becomes free
Switched to not addressed SLV mode; Own SLA will
be recognized. A START condition will be transmitted
when the bus becomes free.
Go into master mode; send START
No recognition of own SLA
Will recognize own SLA
Reset SIO (Requires reset to return to state F8H)
Reset SIO (Requires reset to return to state F8H)
Reset SIO (Requires reset to return to state F8H)
NEXT ACTION TAKEN BY SIO HARDWARE
NEXT ACTION TAKEN BY SIO HARDWARE
PCA9564
Product data sheet