Nxp semiconductors – NXP Semiconductors LPC24XX UM10237 User Manual
Page 597
UM10237_4
© NXP B.V. 2009. All rights reserved.
User manual
Rev. 04 — 26 August 2009
597 of 792
NXP Semiconductors
UM10237
Chapter 22: LPC24XX I
2
C interfaces I
2
C0/1/2
0x98
Previously addressed
with General Call;
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.
0xA0
A STOP condition or
repeated START
condition has been
received while still
addressed as
SLV/REC or
SLV/TRX.
No STDAT action
or
0
0
0
0
Switched to not addressed SLV mode; no
recognition of own SLA or General call
address.
No STDAT 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 STDAT 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 STDAT 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.
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