MSP 34x0G
DATA SHEET
Table 6–6: Coding of Automatic NICAM/Analog Sound Switching;
Automatic Sound Select is off (MODUS[0] = 0)
Mode
Description
AUTO_FM [11:0]
ERROR_RATE- Source Select:
Addr. = 00 21
Threshold/dec
Input at NICAM Path
hex
0
Forced NICAM
(Automatic Switching disabled)
bit[11]
bit[10:1] = 0
bit[0]
= 0
none
always NICAM; Mute in
case of no NICAM available
reset
status
= 0
= 0
1
2
3
Automatic Switching with
internal threshold
(Default, if Automatic Sound
bit[11]
bit[10:1] = 0
bit[0]
700
NICAM or FM/AM,
depending on
ERROR_RATE
= 1
Select is on)
Automatic Switching with
external threshold
(Customizing of Automatic
bit[11]
bit[10:1] = 25...1000
= threshold/2
= 0
set by customer;
recommended
range: 50...2000
Sound Select)
bit[0]
= 1
Forced Analog Mono
bit[11]
= 1
none
always FM/AM
(Automatic Switching disabled)
bit[10:1] = 0
bit[0] = 1
90
May 27, 2003; 6251-476-1DS
Micronas
MICRONAS [ MICRONAS ]
