21 SD-BS1 Section address 1 gating signal
I
2
48
DQ12 Data bus
I/O
1.16
22
MA10 Address bus
I
0.04
49
VDDQ 3.3V power supply
3.19
23
MA0 Address bus
I
0.36
50
DQ13 Data bus
I/O
1.15
24
MA1 Address bus
I
0.35
51
DQ14 Data bus
I/O
1.24
25
MA2 Address bus
I
2.38
52
VSSQ Ground
0.01
26
MA3 Address bus
I
1.59
53
DQ15 Data bus
I/O
0.68
27
VDD 3.3V power supply
3.19
54
VSS Ground
0.01
3.5.2 Function introduction to STV8216(u111)
1. Description
TV Sound Demodulator: provides all the necessary circuitry for the demodulation of audio transmissions
of European and Asian terrestrial TV broadcasts. The various transmission standards are automatically
detected and demodulated without user intervention.
Audio Processor: based on DSP technology, independently controls loudspeaker, subwoofer and
headphone signals. It offers basic and advanced features, such as a ST Wide Surround, Equalizer, Automatic
Loudness and Smart Volume Control for television viewer comfort. The STV8226/36 versions can perform
additionally the SRS 3D Surround for stereo and mono signals.
Audio Matrix: 3 stereo and 1 mono external analog audio inputs to loudspeakers and headphone, with 2
stereo external analog audio outputs (SCART compatible).
2. Feature
# NICAM, AM, FM Mono and FM 2 Carrier Stereo Demodulators for all sound carriers between 4.5 and 7
MHz
# Spatial Sound Effects (ST Wide Surround and Pseudo-Stereo)
# Mono input provided for optimum AM Demodulation performances
# Subwoofer output with Volume Control and Programmable Bandwidth
# Demodulation controlled by Automatic Standard Recognition System
# Loudspeaker and Headphone outputs with Volume/Balance Controls and Beeper
# Sound IF AGC with wide range
# Overmodulation and Carrier Offset recovery
# Smart Volume Control
# 5-band Equalizer & Bass/Treble Control
# SRS® 3D Surround
# 3-to-2 Analog Stereo Audio I/Os (SCART compatible) with Audio Matrix
# Low-noise Audio Mutes and Switches
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