p89v660 NXP Semiconductors, p89v660 Datasheet - Page 35

• Manufacturer Part Number: p89v660
• Description: P89v660/p89v662/p89v664 8-bit 80c51 5 V Low Power 16 Kb/32 Kb/64 Kb Flash Microcontroller With 512 B/1 Kb/2 Kb Ram, Dual I2c-bus, Spi
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 23.
Table 24.
P89V660_662_664_2
Product data sheet
Status code
(S1STA)
50H
58H
Status code
(S1STA)
60H
68H
70H
78H
80H
Master Receiver mode
Slave Receiver mode
Status of the
I
hardware
Data byte has
been received;
ACK has been
returned.
Data byte has
been received;
NOT ACK has
been returned.
Status of the
I
hardware
Own SLA+W has
been received;
ACK has been
received.
Arbitration lost in
SLA+R/Was
master; Own
SLA+W has been
received, ACK
returned.
General call
address(00H) has
been received,
ACK has been
returned.
Arbitration lost in
SLA+R/W as
master; General
call address has
been received,
ACK bit has been
returned.
Previously
addressed with
own SLA address;
Data has been
received; ACK
has been
returned.
2
2
C-bus
C-bus
…continued
Application software response
to/from S1DAT
no S1DAT action
or
no S1DAT action
No S1DAT action
or
no S1DAT action
No S1DAT action
or
no S1DAT action
no S1DAT action
or
no S1DAT action
Read data byte or x
read data byte
Application software response
to/from S1DAT
Read data byte
read data byte
Read data byte or 1
read data byte or
read data byte
Rev. 02 — 29 January 2008
to S1CON
STA
x
x
x
x
x
x
x
x
x
to S1CON
STA STO SI
0
0
0
1
80C51 with 512 B/1 kB/2 kB RAM, dual I
0
0
0
1
1
STO SI
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
STA
0
1
x
x
x
AA
0
1
0
1
0
1
0
1
0
1
P89V660/662/664
Next action taken by I
hardware
Data byte will be received; NOT ACK
bit will be returned.
Data byte will be received; ACK bit
will be returned.
Repeated START will be transmitted.
STOP condition will be transmitted;
STO flag will be reset.
STOP condition followed by a START
condition will be transmitted; STO
flag will be reset.
Next action taken by I
hardware
Data byte will be received and NOT
ACK will be returned.
Data byte will be received and ACK
will be returned.
Data byte will be received and NOT
ACK will be returned.
Data byte will be received and ACK
will be returned.
Data byte will be received and NOT
ACK will be returned.
Data byte will be received and ACK
will be returned.
Data byte will be received and NOT
ACK will be returned.
Data byte will be received and ACK
will be returned.
Data byte will be received and NOT
ACK will be returned.
Data byte will be received; ACK bit
will be returned.
© NXP B.V. 2008. All rights reserved.
2
C-bus
2
2
C-bus
C-bus, SPI
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