Table 22–528, Nxp semiconductors – NXP Semiconductors LPC24XX UM10237 User Manual
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UM10237_4
© NXP B.V. 2009. All rights reserved.
User manual
Rev. 04 — 26 August 2009
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NXP Semiconductors
UM10237
Chapter 22: LPC24XX I
2
C interfaces I
2
C0/1/2
Table 528. Tad_105: Slave Transmitter mode
Status
Code
(I2CSTAT)
Status of the I
2
C bus
and hardware
Application software response
Next action taken by I
2
C hardware
To/From I2DAT
To I2CON
STA STO SI
AA
0xA8
Own SLA+R has been
received; ACK has
been returned.
Load data byte or
X
0
0
0
Last data byte will be transmitted and
ACK bit will be received.
Load data byte
X
0
0
1
Data byte will be transmitted; ACK will be
received.
0xB0
Arbitration lost in
SLA+R/W as master;
Own SLA+R has been
received, ACK has
been returned.
Load data byte or
X
0
0
0
Last data byte will be transmitted and
ACK bit will be received.
Load data byte
X
0
0
1
Data byte will be transmitted; ACK bit will
be received.
0xB8
Data byte in I2DAT
has been transmitted;
ACK has been
received.
Load data byte or
X
0
0
0
Last data byte will be transmitted and
ACK bit will be received.
Load data byte
X
0
0
1
Data byte will be transmitted; ACK bit will
be received.
0xC0
Data byte in I2DAT
has been transmitted;
NOT ACK has been
received.
No I2DAT action
or
0
0
0
0
Switched to not addressed SLV mode; no
recognition of own SLA or General call
address.
No I2DAT action
or
0
0
0
1
Switched to not addressed SLV mode;
Own SLA will be recognized; General call
address will be recognized if
I2ADR[0] = logic 1.
No I2DAT action
or
1
0
0
0
Switched to not addressed SLV mode; no
recognition of own SLA or General call
address. A START condition will be
transmitted when the bus becomes free.
No I2DAT action
1
0
0
1
Switched to not addressed SLV mode;
Own SLA will be recognized; General call
address will be recognized if
I2ADR[0] = logic 1. A START condition
will be transmitted when the bus becomes
free.
0xC8
Last data byte in
I2DAT has been
transmitted (AA = 0);
ACK has been
received.
No I2DAT action
or
0
0
0
0
Switched to not addressed SLV mode; no
recognition of own SLA or General call
address.
No I2DAT action
or
0
0
0
1
Switched to not addressed SLV mode;
Own SLA will be recognized; General call
address will be recognized if
I2ADR[0] = logic 1.
No I2DAT action
or
1
0
0
0
Switched to not addressed SLV mode; no
recognition of own SLA or General call
address. A START condition will be
transmitted when the bus becomes free.
No I2DAT action
1
0
0
1
Switched to not addressed SLV mode;
Own SLA will be recognized; General call
address will be recognized if
I2ADR.0 = logic 1. A START condition will
be transmitted when the bus becomes
free.