STV82X8 Datasheet, PDF (131/157 Pages) STMicroelectronics – Digital Audio Decoder / Processor for BTSC Television/Video Recorders

STV82x8
13 Pin Descriptions
Pin Descriptions
13.1 TQFP 80-pin Package
● AP
● DP
●I
●O
● OD
●B
●A
= Analog Power
= Digital Power
= Input
= Output
= Open-Drain
= Bi-Directional
= Analog
Table 21: TQFP80 Pin Description (Sheet 1 of 4)
Pin
STV82x8
Type
Function for STV82x8
No.
Pin Name
(STV82x8) (Function for STV82x6 in italic characters)
1 SC1_OUT_L
2 SC1_OUT_R
3 VCC_H
4 GND_H
5 SC3_OUT_L
6 SC3_OUT_R
7 VCC33_SC
8 GND33_SC
9 SC1_IN_L
10 SC1_IN_R
11 VREFA
12
NC (GND_SA in
STV82x7)
13 VBG
14 SC2_IN_L
15 SC2_IN_R
16 VCC33_LS
17 GND33_LS
18 SC2_OUT_L
19 SC2_OUT_R
20
GND_SA (VCC_NISO
in STV82x7)
A
SCART1 Audio Output Left
A
SCART1 Audio Output Right
AP
8V Power for Audio I/O & ESD
AP
High Current Ground for Audio Outputs
A
SCART3 Audio Output Left
A
SCART3 Audio Output Right
AP
3.3V Power for Audio Buffers & DAC / ADC
AP
Ground for Audio Buffers & DAC / ADC
A
SCART1 Audio Input Left
A
SCART1 Audio Input Right
Audio Bias Voltage Decoupling 1.55V
A
(Switched V_REF decoupling pin for Audio Converters
(VMCP))
AP
Bandgap Voltage Reference Decoupling 1.2V
A
(V_REF decoupling pin for Audio Converters (VMC))
A
SCART 2 Audio Input Left
A
SCART 2 Audio Input Right
AP
3.3V Power for Audio DACs
(3.3V Power Supply for Audio Buffers and SCART)
AP
Ground for Audio DACs
(Ground for Audio Buffers and SCART)
A
SCART 2 Audio Output Left
A
SCART 2 Audio Output Right
AP
Ground for DACs
STV82x6
Pin Name
AO1L
AO1R
Not connected
Connected to Ground
Not connected
Not connected
VDDC
GNDC
AI1L
AI1R
VMC1
Connected to Ground
VMC2
AI2L
AI2R
VDDA
GNDAH
AO2L
AO2R
VDDH
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