UM10462 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2016. All rights reserved.
User manual Rev. 5.5 — 21 December 2016 320 of 523
NXP Semiconductors
UM10462
Chapter 14: LPC11U3x/2x/1x I2C-bus controller
Table 292. Slave Transmitter mode
Status
Code
(STAT)
Status of the I
2
C-bus
and hardware
Application software response Next action taken by I
2
C hardware
To/From DAT To CON
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 DAT 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 DAT has
been transmitted;
NOT ACK has been
received.
No DAT action or 0 0 0 0 Switched to not addressed SLV mode; no
recognition of own SLA or General call
address.
No DAT action or 0 0 0 1 Switched to not addressed SLV mode;
Own SLA will be recognized; General call
address will be recognized if
ADR[0] = logic 1.
No DAT 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 DAT action 1 0 0 1 Switched to not addressed SLV mode;
Own SLA will be recognized; General call
address will be recognized if
ADR[0] = logic 1. A START condition will
be transmitted when the bus becomes
free.
0xC8 Last data byte in DAT
has been transmitted
(AA = 0); ACK has
been received.
No DAT action or 0 0 0 0 Switched to not addressed SLV mode; no
recognition of own SLA or General call
address.
No DAT action or 0 0 0 1 Switched to not addressed SLV mode;
Own SLA will be recognized; General call
address will be recognized if
ADR[0] = logic 1.
No DAT 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 DAT action 1 0 0 01 Switched to not addressed SLV mode;
Own SLA will be recognized; General call
address will be recognized if
ADR.0 = logic 1. A START condition will
be transmitted when the bus becomes
free.
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