NXP Semiconductors LPC1769 - Page 460

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User manual Rev. 3 — 19 December 2013 460 of 841
NXP Semiconductors
UM10360
Chapter 19: LPC176x/5x I2C0/1/2
Table 400. Slave Receiver 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
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 SLA 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.