tda9861 NXP Semiconductors, tda9861 Datasheet - Page 10

• Manufacturer Part Number: tda9861
• Description: Universal Hifi Audio Processor For Tv
• Manufacturer: NXP Semiconductors

Philips Semiconductors
I
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 I
June 1994
2
S
S
SLAVE ADDRESS
A
SUBADDRESS
DATA
P
loudspeaker channel
volume control both
volume/balance left
volume/balance right
bass control byte
treble control byte
headphone channel
volume control left
volume control right
switching control byte
headphone output
SCART output
loudspeaker output
C-BUS FORMAT
Universal HiFi audio processor for TV
FUNCTION
2
C-bus transmission.
SLAVE ADDRESS
0000 0000
0000 0001
0000 0010
0000 0011
0000 0100
0000 0101
0000 0110
0000 0111
0000 1000
0000 1001
SUBADDRESS
= start condition
= 1000 0000 (V
= acknowledge, generated by the slave or by the master
= subaddress byte, see Table 1
= data byte, see Table 1
= stop condition
A
00
01
02
03
04
05
06
07
08
09
HEX
25
= LOW) or 1000 0010 (V
0
0
0
0
0
0
0
0
0
EF2
SUBADDRESS
D7
10
0
0
0
0
0
0
0
MU0
MU1
MU2
D6
V05
0
0
0
0
VHL5
VHR5
0
P1
EF1
D5
25
= HIGH)
V04
VL4
VR4
BA4
0
VHL4
VHR4
0
P2
ST
D4
A
DATA
V03
VL3
VR3
BA3
TR3
VHL3
VHR3
I03
I13
I23
D3
DATA
V02
VL2
VR2
BA2
TR2
VHL2
VHR2
I02
I12
I22
Preliminary specification
D2
TDA9861
V01
VL1
VR1
BA1
TR1
VHL1
VHR1
I01
I11
I21
D1
P
V00
VL0
VR0
BA0
TR0
VHL0
VHR0
I00
I10
I20
D0