MSP3438G Datasheet, PDF (75/84 Pages) Micronas – Multistandard Sound Processor Family

PRELIMINARY DATA SHEET
MSP 3438G
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 stabil-
ity.
Table 6–6: Write Register on I²C Subaddress 10_hex: A2 Threshold
Register
Address
THRESHOLDS
00 22_hex (write)
Function
Name
A2 THRESHOLD Register
A2_THRESH
Defines threshold of all A2 and EIA_J standards for Stereo and Bilingual
detection
bit [11...0] 7F0_hex
...
190_hex
...
0A0_hex
force Mono Identification
default setting after reset
minimum Threshold for stable detection
recommended range: 0A_hex...3C_hex
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 6–7: Write Register on I²C Subaddress 10_hex: Carrier-Mute Threshold
Register
Address
THRESHOLDS
00 24_hex (write)
Function
Carrier-Mute THRESHOLD Register
Defines threshold for the carrier mute feature
bit [6..0]
00_hex
...
2A_hex
...
FF_hex
Carrier-Mute always ON (both channels muted)
default setting after reset
Carrier-Mute always OFF (both channels forced
on)
recommended range: 14_hex...50_hex
Name
CM_THRESH
MICRONAS INTERMETALL
75