UM10430 Datasheet, PDF (875/1164 Pages) NXP Semiconductors – LPC18xx ARM Cortex-M3 microcontroller

NXP Semiconductors
Table 818. Master Transmitter mode
Status
Code
(STAT)
Status of the I²C-bus Application software response
and hardware
To/From DAT
To CON
STA STO SI
0x08
A START condition Load SLA+W;
has been transmitted. clear STA
X0 0
0x10
A Repeated START Load SLA+W or X 0 0
condition has been
transmitted.
Load SLA+R;
Clear STA
X0 0
0x18
SLA+W has been
Load data byte or 0 0 0
transmitted; ACK has
been received.
No DAT action or 1 0 0
No DAT action or 0 1 0
No DAT action
110
0x20
SLA+W has been
Load data byte or 0 0 0
transmitted; NOT ACK
has been received. _{No DAT action or 1 0 0}
No DAT action or 0 1 0
No DAT action
110
0x28
Data byte in DAT has Load data byte or 0 0 0
been transmitted;
ACK has been
received.
No DAT action or 1 0 0
No DAT action or 0 1 0
No DAT action
110
0x30
Data byte in DAT has Load data byte or 0 0 0
been transmitted;
NOT ACK has been
received.
No DAT action or 1
0
0
No DAT action or 0 1 0
No DAT action
110
0x38
Arbitration lost in
SLA+R/W or Data
bytes.
No DAT action or 0 0 0
No DAT action
100
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X SLA+R will be transmitted; the I²C block
will be switched to MST/REC mode.
X Data byte will be transmitted; ACK bit will
be received.
X Repeated START will be transmitted.
X STOP condition will be transmitted; STO
flag will be reset.
X STOP condition followed by a START
condition will be transmitted; STO flag will
be reset.
X Data byte will be transmitted; ACK bit will
be received.
X Repeated START will be transmitted.
X STOP condition will be transmitted; STO
flag will be reset.
X STOP condition followed by a START
condition will be transmitted; STO flag will
be reset.
X Data byte will be transmitted; ACK bit will
be received.
X Repeated START will be transmitted.
X STOP condition will be transmitted; STO
flag will be reset.
X STOP condition followed by a START
condition will be transmitted; STO flag will
be reset.
X Data byte will be transmitted; ACK bit will
be received.
X Repeated START will be transmitted.
X STOP condition will be transmitted; STO
flag will be reset.
X STOP condition followed by a START
condition will be transmitted; STO flag will
be reset.
X I²C-bus will be released; not addressed
slave will be entered.
X A START condition will be transmitted
when the bus becomes free.
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User manual
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Rev. 00.13 — 20 July 2011
© NXP B.V. 2011. All rights reserved.
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