STV8216 datasheet(80/97 Pages) STMICROELECTRONICS

80 / 97 page

STV82x6

80/97

SW_BAND

Subwoofer Bandwidth Control

9.18

Beeper

BEEPER_CTRL

Beeper Control

Address (hex): 6Bh

Type: R/W

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

SW_FREQ[2:0]

Bit Name

Reset

Function

Bits[7:3]

00000

Reserved.

SW_FREQ[2:0]

011

Cut-off frequency tuning from 50 Hz to 400 Hz in steps of 50 Hz

000: 50 Hz

100: 250 Hz

001: 100 Hz

101: 300 Hz

010: 150 Hz

110: 350 Hz

011: 200 Hz (Default)

111: 400 Hz

Address (hex): 79h

Type: R/W

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

LS_BEEP_ON HP_BEEP_ON BEEP_MODE

BEEP_DURATION[1:0]

Bit Name

Reset

Function

LS_BEEP_ON

Loudspeaker Beeper Enable

0: Loudspeaker beeper muted (Default)

1: Loudspeaker beeper enabled (Start pulse and automatic reset in Pulse mode)

HP_BEEP_ON

Headphone Beeper Enable

0: Headphone beeper muted (Default)

1: Headphone beeper enabled (Start pulse and automatic reset in Pulse mode)

BEEP_MODE

Beeper Mode Select

0: Pulse mode (for Beep applications - Default)

1: Continuous mode (for Alarm application)s

Bit[4:0]

000

Reserved.

BEEP_DURATION[

1:0]

Defines the duration of the beeper (for Pulse mode only).

00: 0.128 s

01: 0.256 s.

10: 0.512 s.

11: 1.024 s.

STV8216 数据表(PDF) 80 Page - STMicroelectronics

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