STV8237 datasheet(112/156 Pages) STMICROELECTRONICS

Part #	STV8237

Description	Digital Audio Decoder/Processor for A2 and NICAM Television/Video Recorders

PDF	156 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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112 / 156 page

STV82x7

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SVC_LS_CONTROL

SVC_LS_TIME_TH

Bit Name

Reset

Function

TRUBASS_HP_

LEVEL[7:0]

0000

1001

Define the amount of SRS TruBass effect for HP outputs:

0000 0000: 0 dB

0000 0001: -0.5 dB

...

1111 1111: -127.5 dB

Address: BEh

Type: R/W

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

SVC_LS_INPUT[1:0]

SVC_LS_AMP

SVC_LS_ON

Bit Name

Reset

Function

Bits[7:4]

0000

Reserved.

SVC_LS_INPUT[1:0]

Select input for peak detection in multichannel mode:

00: Left/Right

01: Center

10: Left/Right/Center

SVC_LS_AMP

0: 0 dB amplification in auto-mode

1: +6 dB amplification in auto-mode

SVC_LS_ON

0: Manual mode(simple prescaler)

1: Automatic mode

Address: BFh

Type: R/W

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

SVC_LS_TIME[2:0]

SVC_LS_THRESHOLD[4:0] (S)

Bit Name

Reset

Function

SVC_LS_TIME[2:0]

100

Time constant for the amplification (6 dB gain step) in automatic mode:

000: 30 ms

100: 16 s

001: 200 ms

101: 32 s

010: 500 ms

110: 64 s

011: 1 s

111: 128 s

SVC_LS_

THRESHOLD[4:0]

11000

See Table 28 and Table 29.

STV8237 Datasheet(PDF) 112 Page - STMicroelectronics

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