MSP 44x8G
PRELIMINARY DATA SHEET
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.
Table 6–7: Write Register on I2C Subaddress 10hex: A2 Threshold
Register
Address
Function
Name
THRESHOLDS
00 22hex (write)
A2 THRESHOLD Register
A2_THRESH
Defines threshold of all A2 and EIA_J standards for Stereo and Bilingual
detection
bit[11:0] 7F0hex
force Mono Identification
...
190hex
...
default setting after reset
0A0hex
minimum Threshold for stable detection
recommended range: 0Ahex...3Chex
6.3.3. Carrier-Mute Threshold
The Carrier-Mute threshold has been made program-
mable according to the users preferences. An internal
hysteresis ensures stable behavior.
Table 6–8: Write Register on I2C Subaddress 10hex: Carrier-Mute Threshold
Register
Address
Function
Name
THRESHOLDS
00 24hex (write)
Carrier-Mute THRESHOLD Register
CM_THRESH
Defines threshold for the carrier mute feature
bit[6:0]
00hex
...
2Ahex
...
Carrier-Mute always ON (both channels muted)
default setting after reset
FFhex
Carrier-Mute always OFF (both channels forced
on)
recommended range: 14hex...50hex
76
Micronas