UM10211 - Standard ICs

NXP Semiconductors
UM10211
Chapter 19: LPC2300 I 2 C0, I 2 C1, I 2 C2
Table 409. Slave Receiver Mode
Status
Code
(I2CSTAT)
0x60
0x68
0x70
0x78
0x80
0x88
0x90
Status of the I 2 C bus
and hardware
Own SLA+W has
been received; ACK
has been returned.
Arbitration lost in
SLA+R/W as master;
Own SLA+W has
been received, ACK
returned.
General call address
(0x00) has been
received; ACK has
been returned.
Arbitration lost in
SLA+R/W as master;
General call address
has been received,
ACK has been
returned.
Previously addressed
with own SLV
address; DATA has
been received; ACK
has been returned.
Previously addressed
with own SLA; DATA
byte has been
received; NOT ACK
has been returned.
Previously addressed
with General Call;
DATA byte has been
received; ACK has
been returned.
Application software response
To/From I2DAT To I2CON
STA STO SI AA
No I2DAT action
or
Next action taken by I 2 C hardware
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.
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.
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.
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.
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.
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.
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.
UM10211_1
© NXP B.V. 2007. All rights reserved.
User manual Rev. 01 — 27 March 2007 436 of 613