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STV8237T Datasheet(PDF) 127 Page - STMicroelectronics

Part # STV8237T
Description  Digital Audio Decoder/Processor for A2 and NICAM Television/Video Recorders
PDF  149 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STV8237T Datasheet(HTML) 127 Page - STMicroelectronics

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STV82x7
Register List
BEEPER_FREQ_VOL
Beeper Frequency and Volume Settings Register
12.20 Mute
MUTE_DIGITAL
Register Description
Address: F0h
Type: R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
BEEP_FREQ[2:0]
BEEP_VOL[4:0]
Bit Name
Reset
Function
BEEP_FREQ[2:0]
011
Defines the frequency of the beeper tone from 62.5 Hz to 8 kHz in octaves
000: 62.5 Hz
100: 1 kHz
001: 125 Hz
101: 2 kHz
010: 250 Hz
110: 4 kHz
011: 500 Hz (Default)
111: 8 kHz
BEEP_VOL[4:0]
10000
Defines the Beeper volume from 0 to -93 dB in steps of 3 dB.
11111: 0 dB (1 VRMS)...
11110: -3 dB
00011: -84 dB
11101: -6 dB
00010: -87 dB
...
00001: -90 dB
10000: -48 dB (Default)
00000: -93 dB
Address: F1h
Type: R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
AUTOSTD_
MUTE_ON
00
SCART_
D_MUTE
SRND_HP_D_
MUTE
SUB_
D_MUTE
C_
D_MUTE
LS_
D_MUTE
Bit Name
Reset
Function
AUTOSTD_MUTE_ON
1
0: autostandard can not mute outputs
1: autostandard can mute outputs when no signal is detected
Bit s[6:5]
00
SCART_D_MUTE
1
SCART left/right digital soft mute
0: signal un-muted
1: signal muted
SRND_HP_D_MUTE
1
LS Surround/HP left/right digital soft mute
0: signal un-muted
1: signal muted
SUB_D_MUTE
1
LS Subwoofer digital soft mute
0: signal un-muted
1: signal muted



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