Table 22–527, Nxp semiconductors – NXP Semiconductors LPC24XX UM10237 User Manual
Page 596
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 527. 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.