STV82X8 datasheet(43/157 Pages) STMICROELECTRONICS

tên linh kiện	STV82X8

Giải thích chi tiết về linh kiện	Digital Audio Decoder / Processor for BTSC Television/Video Recorders

PDF	157 Pages

Scroll/Zoom	100%

nhà sản xuất	STMICROELECTRONICS [STMicroelectronics]

Trang chủ	http://www.st.com

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STV82x8

STV82x8 Reset

All STV82x8 features are controlled via the I²C bus.

The STV82x8 can be "reset" in 2 ways:

1. By Software via the I²C bus: This clears all synchronous logic, except for the I²C bus registers.

2. By Hardware via the RESET pin: In addition to clearing all synchronous logic, the RESET input

(active on the low level) resets all the I²C bus registers to the default values listed below.

Table 5: RESET Default Values

Function

Default Mode

Demodulation

Auto-standard

OFF

Scanned Standards

M/N BTSC

Audio Outputs

Automatic Mute Mode

Loudspeaker Source

Demodulated Sound

Loudspeaker Volume

-40 dB, Differential Mode, Muted

Loudspeaker L/R Balance

L/R = 100%

Subwoofer

-40 dB / OFF

Headphone Source

Demodulated Sound

Headphone Automatic Detection

Headphone Volume

-40 dB, Differential Mode, Muted

Headphone L/R Balance

L/R = 100%

SCART1 Output

Demodulated Sound

SCART2 Output

SCART1 Source

SCART3 Output

SCART2 Source

I²S Output (TQFP 100)

Mute

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