Philips Semiconductors
Product specication
I2C-bus controlled 4 45 Watt power
amplier and multiple voltage regulator
TDA8589J; TDA8589xJ
2
I C-WRITE
SCL
1
2
7
8
9
1
2
7
8
9
MSB MSB
1
LSB
1
MSB MSB
1
LSB
1
LSB
ACK
ACK
SDA
S
ADDRESS
A
WRITE DATA
A
P
W
To stop the transfer, after the last acknowledge (A)
a stop condition (P) must be generated
2
I C-READ
SCL
SDA
1
2
7
8
9
1
2
7
8
9
MSB MSB
1
LSB
1
MSB MSB
1
LSB
1
LSB
ACK
A
ACK
S
ADDRESS
R
READ DATA
A
P
To stop the transfer, the last byte must not be acknowledged
and a stop condition (P) must be generated
: generated by master (microcontroller)
: generated by slave (TDA8589)
S
P
A
: start
: stop
: acknowledge
R/W : read / write
Fig.10 I2C-bus read and write modes.
2004 Feb 24
15
NXP [ NXP ]
