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Philips Semiconductors
Volume 1
Table 120: Master Transmitter mode
Status
Status of the I
Code
and hardware
(I2CSTAT)
0x08
A START condition
has been transmitted.
0x10
A repeated START
condition has been
transmitted.
0x18
SLA+W has been
transmitted; ACK has
been received.
0x20
SLA+W has been
transmitted; NOT ACK
has been received.
0x28
Data byte in I2DAT
has been transmitted;
ACK has been
received.
0x30
Data byte in I2DAT
has been transmitted;
NOT ACK has been
received.
0x38
Arbitration lost in
SLA+R/W or Data
bytes.
User manual
2
C-bus
Application software response
To/From I2DAT
Load SLA+W
Load SLA+W or
Load SLA+R
Load data byte or
No I2DAT action or 1
No I2DAT action or 0
No I2DAT action
Load data byte or
No I2DAT action or 1
No I2DAT action or 0
No I2DAT action
Load data byte or
No I2DAT action or 1
No I2DAT action or 0
No I2DAT action
Load data byte or
No I2DAT action or 1
No I2DAT action or 0
No I2DAT action
No I2DAT action or 0
No I2DAT action
Rev. 01 — 24 June 2005
Next action taken by I
To I2CON
STA STO SI
AA
X
0
0
X
SLA+W will be transmitted; ACK bit will
be received.
X
0
0
X
As above.
X
0
0
X
SLA+W will be transmitted; the I
will be switched to MST/REC mode.
0
0
0
X
Data byte will be transmitted; ACK bit will
be received.
0
0
X
Repeated START will be transmitted.
1
0
X
STOP condition will be transmitted; STO
flag will be reset.
1
1
0
X
STOP condition followed by a START
condition will be transmitted; STO flag will
be reset.
0
0
0
X
Data byte will be transmitted; ACK bit will
be received.
0
0
X
Repeated START will be transmitted.
1
0
X
STOP condition will be transmitted; STO
flag will be reset.
1
1
0
X
STOP condition followed by a START
condition will be transmitted; STO flag will
be reset.
0
0
0
X
Data byte will be transmitted; ACK bit will
be received.
0
0
X
Repeated START will be transmitted.
1
0
X
STOP condition will be transmitted; STO
flag will be reset.
1
1
0
X
STOP condition followed by a START
condition will be transmitted; STO flag will
be reset.
0
0
0
X
Data byte will be transmitted; ACK bit will
be received.
0
0
X
Repeated START will be transmitted.
1
0
X
STOP condition will be transmitted; STO
flag will be reset.
1
1
0
X
STOP condition followed by a START
condition will be transmitted; STO flag will
be reset.
2
0
0
X
I
slave will be entered.
1
0
0
X
A START condition will be transmitted
when the bus becomes free.
UM10120
2
Chapter 11: I
2
C hardware
C-bus will be released; not addressed
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
C interfaces
2
C block
130
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