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TDA9859 Datasheet PDF : 20 Pages
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Philips Semiconductors
Universal hi-fi audio processor for TV
Preliminary specification
TDA9859
Table 3 Function of the bits in Table 2
BITS
V00 to V05
VL0 to VL4
VR0 to VR4
BA0 to BA4
TR0 to TR3
I10 to I13
I20 to I23
MU1 and MU2
EF1, EF2 and ST
P1 and P2
FUNCTION
volume control common for loudspeaker channel; see Table 9
volume control for left loudspeaker channel; see Table 6
volume control for right loudspeaker channel; see Table 6
bass control for left and right loudspeaker channels; see Table 7
treble control for left and right loudspeaker channels; see Table 8
input selection for SCART channels; see Table 4
input selection for loudspeaker channels; see Table 4
mute control bits (MU1 for SCART channel, MU2 for loudspeaker channel)
0 = channel not muted
1 = channel muted
effect control bits for loudspeaker channel; see Table 5
control bits for ports P1 (pin 2) and P2 (pin 31)
control bit = 0: ports P1 = LOW
control bit = 1: ports P1 = HIGH
Table 4 Input selection
INPUT
BITS OF DATA BYTE 8 AND 9
HEX
D7
D6
D5
D4
D3
D2
D1
D0
AUX LEFT
XB(1)
(1)
MU
(1)
(1)
1
0
1
1
AUX RIGHT
X9(1)
(1)
MU
(1)
(1)
1
0
0
1
AUX STEREO
X7(1)
(1)
MU
(1)
(1)
0
1
1
1
SCART LEFT
XA(1)
(1)
MU
(1)
(1)
1
0
1
0
SCART RIGHT
X5(1)
(1)
MU
(1)
(1)
0
1
0
1
SCART STEREO
X6(1)
(1)
MU
(1)
(1)
0
1
1
0
MAIN LEFT
XC(1)
(1)
MU
(1)
(1)
1
1
0
0
MAIN RIGHT
XD(1)
(1)
MU
(1)
(1)
1
1
0
1
MAIN STEREO
X8(1)
(1)
MU
(1)
(1)
1
0
0
0
Note
1. Byte 8 (SCART channels): The value of X depends on MU1 and control bits P1 and P2.
Byte 9 (loudspeaker channels): see Table 5 for the programming of these bits. The value of X depends on the
selected effects and MU2.
1997 Sep 01
11
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