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
Table 2 Bits of data bytes.
FUNCTION OF THE BITS IN TABLE 1
DESCRIPTION
V00 to V05
volume control common for loudspeaker channel
VL0 to VL4
volume control LEFT for loudspeaker channel
VR0 to VR4
volume control RIGHT for loudspeaker channel
BA0 to BA4
bass control for LEFT and RIGHT loudspeaker channel
TR0 to TR3
treble control for LEFT and RIGHT loudspeaker channel
VHL0 to VHL5
volume control LEFT for headphone channel
VHR0 to VHR5
volume control RIGHT for headphone channel
I00 to I03
input selection for headphone channel
I10 to I13
input selection for SCART channel
I20 to I23
input selection for loudspeaker channel
MU0, MU1 and MU2
mute control bits: 0 = non-muted; 1 = muted
EF1, EF2 and ST
special mode control bits
P1 and P2
control bits for ports P1 (pin 2) and P2 (pin 31);
output levels: 0 = LOW; 1 = HIGH
Table 3 Output and input selection by subaddress bytes 07, 08 and 09.
OUTPUT AND INPUT CONTROL BYTES, MUTE INCLUDED (EFFECTS TABLE 4)
SELECT OUTPUT PINS
INPUT GROUP INPUT ADDR
SIGNAL
DATA BYTE TO SUBADDRESS
Loudspeaker channels
output pin 18 output pin 15
SCART channels
output pin 26 output pin 7
headphone channels
output pin 20 output pin 13
SELECT INPUT SIGNAL
PINS
28
28
AUX LEFT
30
30
AUX RIGHT
28
30
AUX STEREO
1
1
SCART LEFT
32
32
SCART RIGHT
1
32
SCART
STEREO
3
3
MAIN LEFT
5
5
MAIN RIGHT
3
5
MAIN STEREO
09
08
07
HEX
Vi 1
XB
Vi 2
X9
Vi 1 and Vi 2 X7
Vi 3
XA
Vi 4
X5
Vi 3 and Vi 4 X6
Vi 5
XC
Vi 6
XD
Vi 5 and Vi 6 X8
EF2 MU2 EF1 ST I23 I22 I21 I20
0 MU1 P1 P2 I13 I12 I11 I10
0 MU0 0 0 I03 I02 I01 I00
BITS OF DATA BYTE
X0
X0
X0
X0
X0
X0
X X1 0 1 1
X X1 0 0 1
X X0 1 1 1
X X1 0 1 0
X X0 1 0 1
X X0 1 1 0
X0
X0
X0
X X1 1 0 0
X X1 1 0 1
X X1 0 0 0
Note
1. X = don’t care
June 1994
11
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