MSP34X2G datasheet(89/104 Pages) MICRONAS

89 / 104 page

PRELIMINARY DATA SHEET

MSP 34x2G

Micronas

6.3.2. A2 Threshold

The threshold between Stereo/Bilingual and Mono

Identification for the A2 Standard has been made pro-

grammable according to the user’s preferences. An

internal hysteresis ensures robustness and stability.

6.3.3. Carrier-Mute Threshold

The Carrier-Mute threshold has been made program-

mable according to the user’s preferences. An internal

hysteresis ensures stable behavior.

Table 6–7: Write Register on I2C Subaddress 10hex : A2 Threshold

Address

Function

Name

THRESHOLDS

00 22hex (write)

A2 THRESHOLD Register

Defines threshold of all A2 and EIA_J standards for Stereo and Bilingual

detection

bit[15:12]

must be set to 0

bit[11:0]

7F0hex

force Mono Identification

...

190hex

default setting after reset

...

0A0hex

minimum Threshold for stable detection

recommended range : 0A0hex...3C0hex

A2_THRESH

Table 6–8: Write Register on I2C Subaddress 10hex : Carrier-Mute Threshold

Address

Function

Name

THRESHOLDS

00 24hex (write)

Carrier-Mute THRESHOLD Register

Defines threshold for the carrier mute feature

bit[15:12]

must be set to 0

bit[11:0]

000hex

Carrier-Mute always ON (both channels muted)

...

02Ahex

default setting after reset

...

7FFhex

Carrier-Mute always OFF (both channels forced

on)

recommended range : 14hex...50hex

CM_THRESH

MSP34X2G Datasheet(PDF) 89 Page - Micronas

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