Nxp semiconductors – NXP Semiconductors P89LPC9321 UM10310 User Manual
Page 82
UM10310
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User manual
Rev. 2 — 1 November 2010
82 of 139
NXP Semiconductors
UM10310
P89LPC9321 User manual
88H
Previously
addressed with
own SLA address;
Data has been
received; NACK
has been returned
Read data byte or 0
0
0
0
Switched to not addressed SLA
mode; no recognition of own SLA or
general address
read data byte
or
0
0
0
1
Switched to not addressed SLA
mode; Own SLA will be recognized;
general call address will be
recognized if I2ADR.0 = 1
read data byte
or
1
0
0
0
Switched to not addressed SLA
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 SLA
mode; Own slave address will be
recognized; General call address
will be recognized if I2ADR.0 = 1. A
START condition will be transmitted
when the bus becomes free.
90H
Previously
addressed with
General call; 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
98H
Previously
addressed with
General call; Data
has been
received; NACK
has been returned
Read data byte
0
0
0
0
Switched to not addressed SLA
mode; no recognition of own SLA or
General call address
read data byte
0
0
0
1
Switched to not addressed SLA
mode; Own slave address will be
recognized; General call address
will be recognized if I2ADR.0 = 1.
read data byte
1
0
0
0
Switched to not addressed SLA
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 SLA
mode; Own slave address will be
recognized; General call address
will be recognized if I2ADR.0 = 1. A
START condition will be transmitted
when the bus becomes free.
Table 75.
Slave 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
AA