TDA9861 查看數據表（PDF） - Philips Electronics
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TDA9861 Datasheet PDF : 18 Pages
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Philips Semiconductors
Universal HiFi audio processor for TV
Preliminary specification
TDA9861
I2C-BUS FORMAT
S
SLAVE ADDRESS
A
SUBADDRESS
A
DATA
P
S
SLAVE ADDRESS
A
SUBADDRESS
DATA
P
= start condition
= 1000 0000 (V25 = LOW) or 1000 0010 (V25 = HIGH)
= acknowledge, generated by the slave or by the master
= subaddress byte, see Table 1
= data byte, see Table 1
= stop condition
This circuit only operates as a slave transmitter.
If more than 1 byte of DATA is transmitted, then auto-increment of the subaddress is performed.
Byte organisation
Table 1 I2C-bus transmission.
FUNCTION
SUBADDRESS HEX
D7
loudspeaker channel
volume control both 0000 0000
volume/balance left 0000 0001
volume/balance right 0000 0010
bass control byte
0000 0011
treble control byte 0000 0100
00
0
01
0
02
0
03
0
04
0
headphone channel
volume control left 0000 0101
volume control right 0000 0110
05
0
06
0
switching control byte
headphone output 0000 0111
SCART output
0000 1000
loudspeaker output 0000 1001
07
0
08
0
09
EF2
D6
0
0
0
0
0
0
0
MU0
MU1
MU2
DATA
D5 D4 D3 D2 D1 D0
V05 V04 V03 V02 V01 V00
0
VL4 VL3 VL2 VL1 VL0
0
VR4 VR3 VR2 VR1 VR0
0
BA4 BA3 BA2 BA1 BA0
0
0
TR3 TR2 TR1 TR0
VHL5 VHL4 VHL3 VHL2 VHL1 VHL0
VHR5 VHR4 VHR3 VHR2 VHR1 VHR0
0
0
I03 I02 I01 I00
P1 P2 I13 I12 I11 I10
EF1 ST I23 I22 I21 I20
June 1994
10
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