Table 75, Nxp semiconductors – NXP Semiconductors P89LPC9321 UM10310 User Manual
Page 81
UM10310
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2010. All rights reserved.
User manual
Rev. 2 — 1 November 2010
81 of 139
NXP Semiconductors
UM10310
P89LPC9321 User manual
50h
Data byte has
been received;
ACK has been
returned
Read data byte
0
0
0
0
Data byte will be received; NOT ACK
bit will be returned
read data byte
0
0
0
1
Data byte will be received; ACK bit
will be returned
58h
Data byte has
been received;
NACK has been
returned
Read data byte or 1
0
0
x
Repeated START will be transmitted;
read data byte or
0
1
0
x
STOP condition will be transmitted;
STO flag will be reset
read data byte
1
1
0
x
STOP condition followed by a START
condition will be transmitted; STO
flag will be reset
Table 74.
Master Receiver mode
…continued
Status code
(I2STAT)
Status of the I
2
C
hardware
Application software response
Next action taken by I
2
C hardware
to/from I2DAT
to I2CON
STA
STO SI
STA
Table 75.
Slave Receiver mode
Status code
(I2STAT)
Status of the I
2
C
hardware
Application software response
Next action taken by I
2
C
hardware
to/from I2DAT
to I2CON
STA
STO
SI
AA
60H
Own SLA+W has
been received;
ACK has been
received
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
68H
Arbitration lost in
SLA+R/Was
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
70H
General call
address(00H) 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
78H
Arbitration lost in
SLA+R/W as
master; General
call address has
been received,
ACK bit 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
80H
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; ACK bit
will be returned