CXA2094 Sony Corporation, CXA2094 Datasheet - Page 24

• Manufacturer Part Number: CXA2094
• Description: US Audio Multiplexing Decoder
• Manufacturer: Sony Corporation

Decoder Output and Mode Control Table 1 (SAPC = 1)
Note
(SAP) : The SAPOUT output signal is soft muted (approximately –7dB).
Input signal mode
STEREO & SAP
MONO & SAP
1
: Don’t care.
STEREO
The signal is soft muted when NOISE = 1.
SAP or NOISE discrimination may be made during MONO or STEREO input when the noise is
inputted in the weak electric field.
Then microcomputer reads "NOISE" status from IC and decides whether SAP is outputted.
"NOISE" status rises earlier than "SAP" status when the amount of noise is increased to COMPIN.
MONO
1
1
ST
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
1
1
1
1
1
1
Mode detection
SAP
0
0
0
0
0
1
1
0
0
1
1
1
1
1
1
1
1
1
1
1
1
NOISE
0
0
0
1
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
– 24 –
NRSW
0
1
1
0
1
1
0
0
0
0
1
1
1
1
0
0
1
1
1
1
0
0
1
1
1
1
Mode control
FOMO
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
SAPC
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
(SAP)
(SAP)
(SAP)
(SAP)
(SAP)
(SAP)
(SAP)
(SAP)
L – R
L – R
L – R
dbx
input
SAP
SAP
SAP
SAP
SAP
SAP
SAP
SAP
(SAP)
(SAP)
(SAP)
(SAP)
L + R
L + R
L + R
L + R
L + R
L + R
L + R
L + R
L + R
L + R
L + R
L + R
L + R
L + R
L + R
SAP
SAP
SAP
SAP
Lch
L
L
L
Output
CXA2094Q
(SAP)
(SAP)
(SAP)
(SAP)
(SAP)
(SAP)
(SAP)
(SAP)
L + R
L + R
L + R
L + R
L + R
L + R
L + R
Rch
SAP
SAP
SAP
SAP
SAP
SAP
SAP
SAP
R
R
R