Philips Semiconductors
Product specication
I2C-bus controlled 4 45 Watt power
amplier and multiple voltage regulator
TDA8589J; TDA8589xJ
I2C-BUS SPECIFICATION
0 = write
1 = read
MSB
LSB
1
1
0
1
1
0
0
R/W
Fig.7 Address byte.
If address byte bit R/W = 0, the TDA8589 expects 3 instruction bytes: IB1, IB2 and IB3; see Table 1 to Table 6.
After a power-on, all instruction bits are set to zero.
If address byte bit R/W = 1, the TDA8589 will send 4 data bytes to the microcontroller: DB1, DB2, DB3 and DB4; see
Table 7 to Table 10.
SDA
SCL
SDA
SCL
S
P
STOP condition
START condition
Fig.8 Definition of start and stop conditions.
SDA
SCL
data line
stable;
data valid
change
of data
allowed
Fig.9 Bit transfer.
14
2004 Feb 24
NXP [ NXP ]
