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NXP Semiconductors LPC1768
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UM10360 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
User manual Rev. 3 — 19 December 2013 462 of 841
NXP Semiconductors
UM10360
Chapter 19: LPC176x/5x I2C0/1/2
Table 401. Slave Transmitter mode
I2CSTAT
Status
Code
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 01 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.

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