STV8203 ST Microelectronics, STV8203 Datasheet - Page 19

• Manufacturer Part Number: STV8203
• Description: MULTISTANDARD TV SOUND DEMODULATOR
• Manufacturer: ST Microelectronics

PROGRAMMING THE DEVICE (continued)
AO-STAT2 (AUTOSTANDARD Status 2 ; NICAM)
Address
Type
NIC-DET
F-MUTE
LOA
NICAM CBI : indicates the received NICAM control bits with the following interpretation :
N-MUTE
NIC-DET
bit 7
: 0D
: R
: NICAM detected
: Frame Mute
: Loss of frame Alignment word
: NICAM Mute
F-MUTE
indicates a valid NICAM signal found (1 = detected).
indicates the NICAM decoder is muted because the superframe alignment has been lost.
indicates loss of alignment to the frame alignment word in the NICAM decoder; the bit error
rate is too high or no signal is present.
indicates that the NICAM decoder is muted (it may be unmuted by AO-CONTROL bit 5).
bit 6
CBI[4:1]
X1XX
0XXX
1XXX
X000
X001
X010
X011
bit 5
LOA
Stereo
ch1 = mono, ch2 = data
Dual Mono
704Kbit/s data
FM selected during additional coding options
Nicam different to FM mono
Nicam mono(M1) or stereo = FM mono
bit 4
bit 3
Nicam Signal Description
NICAM CBI
bit 2
bit 1
STV8203
N-MUTE
bit 0
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