UM10375 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
User manual Rev. 3 — 14 June 2011 233 of 368
NXP Semiconductors
UM10375
Chapter 13: LPC13xx I2C-bus controller
Table 237. Slave Receiver 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
0x60 Own SLA+W has
been received; ACK
has been returned.
No I2DAT action
or
X 0 0 0 Data byte will be received and NOT ACK
will be returned.
No I2DAT action X 0 0 1 Data byte will be received and ACK will
be returned.
0x68 Arbitration lost in
SLA+R/W as master;
Own SLA+W has
been received, ACK
returned.
No I2DAT action
or
X 0 0 0 Data byte will be received and NOT ACK
will be returned.
No I2DAT action X 0 0 1 Data byte will be received and ACK will
be returned.
0x70 General call address
(0x00) has been
received; ACK has
been returned.
No I2DAT action
or
X 0 0 0 Data byte will be received and NOT ACK
will be returned.
No I2DAT action X 0 0 1 Data byte will be received and ACK will
be returned.
0x78 Arbitration lost in
SLA+R/W as master;
General call address
has been received,
ACK has been
returned.
No I2DAT action
or
X 0 0 0 Data byte will be received and NOT ACK
will be returned.
No I2DAT action X 0 0 1 Data byte will be received and ACK will
be returned.
0x80 Previously addressed
with own SLV
address; DATA has
been received; ACK
has been returned.
Read data byte or X 0 0 0 Data byte will be received and NOT ACK
will be returned.
Read data byte X 0 0 1 Data byte will be received and ACK will
be returned.
0x88 Previously addressed
with own SLA; DATA
byte has been
received; NOT ACK
has been returned.
Read data byte or 0 0 0 0 Switched to not addressed SLV mode; no
recognition of own SLA or General call
address.
Read data byte 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.
Read data byte 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.
Read data byte 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.
0x90 Previously addressed
with General Call;
DATA byte has been
received; ACK has
been returned.
Read data byte or X 0 0 0 Data byte will be received and NOT ACK
will be returned.
Read data byte X 0 0 1 Data byte will be received and ACK will
be returned.
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