TEA6330T Philips Semiconductors (Acquired by NXP), TEA6330T Datasheet - Page 12

• Manufacturer Part Number: TEA6330T
• Description: TEA6330T; Sound Fader Control Circuit For Car Radios
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
I
I
S
SLAVE ADDRESS
A
SUBADDRESS
DATA
P
X
If more than 1 byte DATA are transmitted, then auto-increment of the subaddress is performed.
Byte organisation
Table 1 I
Function of the bits:
VL0
VR0
BA0
TRO
FA0
FCH
MFN
GMU
EQN
January 1992
2
2
volume left
volume right
bass
treble
fader
audio switch
C-BUS PROTOCOL
C-bus format
Sound fader control circuit
for car radios
FUNCTION
S
2
C-bus transmission
to
to
to
to
to
SLAVE ADDRESS
0
0
0
0
0
0
=
=
=
=
=
=
=
0
0
0
0
0
0
VL5
VR5
BA3
TR3
FA3
SUBADDRESS BYTE
0
0
0
0
0
0
start condition
1000 000X
acknowledge, generated by the slave
subaddress byte, Table 1
data byte, Table 1
stop condition
read/write control bit
X = 0, order to write (the circuit is slave receiver only)
0
0
0
0
0
0
0
0
0
0
0
0
A
volume control of left channel (balance control)
volume control of right channel (balance control)
bass control of both channels
treble control of both channels
fader control front to rear
select fader channels front or rear
mute control of the selected channels front or rear
mute control, general mute
equalizer switchover (0 = equalizer-on)
0
0
0
0
1
1
0
0
1
1
0
0
0
1
0
1
0
1
SUBADDRESS
12
GMU
D7
0
0
0
0
0
EQN
D6
0
0
0
0
0
MFN
VR5
VL5
D5
0
0
0
A
DATA BYTE
FCH
VR4
VL4
D4
0
0
0
VR3
BA3
TR3
VL3
FA3
D3
0
Preliminary specification
DATA
VR2
BA2
TR2
VL2
FA2
D2
0
TEA6330T
VR1
BA1
TR1
VL1
FA1
D1
0
P
VR0
BA0
TR0
VL0
FA0
D0
0