p89v660 NXP Semiconductors, p89v660 Datasheet - Page 33

• 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 22.
P89V660_662_664_2
Product data sheet
Status code
(S1STA)
08H
10H
18H
20H
28H
Master transmitter mode
Status of the
I
A START
condition has
been transmitted.
A repeat START
condition has
been transmitted.
SLA+W has been
transmitted; ACK
has been
received.
SLA+W has been
transmitted;
NOT-ACK has
been received.
Data byte in
S1DAT has been
transmitted; ACK
has been
received.
2
C-bus hardware
Application software response
to/from S1DAT
Load SLA+W
Load SLA+W or
Load SLA+R
Load data byte or 0
no S1DAT action
or
no S1DAT action
or
no S1DAT action
Load data byte or 0
no S1DAT action
or
no S1DAT action
or
no S1DAT action
Load data byte or 0
no S1DAT action
or
no S1DAT action
or
no S1DAT action
Rev. 02 — 29 January 2008
to S1CON
STA
x
x
1
0
1
1
0
1
1
0
1
80C51 with 512 B/1 kB/2 kB RAM, dual I
STO
0
0
0
0
1
1
0
0
1
1
0
0
1
1
SI
0
0
0
0
0
0
0
0
0
0
0
0
0
0
P89V660/662/664
AA
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Next action taken by I
hardware
SLA+W will be transmitted;
ACK bit will be received.
As above; SLA+W will be
transmitted; I
to Master Receiver mode.
Data byte will be transmitted;
ACK bit will be received.
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.
Data byte will be transmitted;
ACK bit will be received.
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.
Data byte will be transmitted;
ACK bit will be received.
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.
© NXP B.V. 2008. All rights reserved.
2
C-bus switches
2
C-bus, SPI
2
C-bus
33 of 89