CXA1784AS Datasheet, PDF (33/38 Pages) Sony Corporation – US Audio Multiplexing Decoder

CXA1784AS
Mode Control Table 3
EXT1 EXT2 EXTFOMO M1 M2
TV OUT-L
TV OUT-R
LS OUT-L
0
0
∗
1 1 TV mode L channel TV mode R channel TV mode L channel
LS OUT-R
TV mode R channel
1
0
0
1 1 EXT mode L channel EXT mode R channel TV mode L channel TV mode R channel
1
0
1
1 1 EXT mode L channel EXT mode L channel TV mode L channel TV mode R channel
0
1
0
1 1 TV mode L channel TV mode R channel EXT mode L channel EXT mode R channel
0
1
1
1 1 TV mode L channel TV mode R channel EXT mode L channel EXT mode L channel
1
1
0
1 1 EXT mode L channel EXT mode R channel EXT mode L channel EXT mode R channel
1
1
1
1 1 EXT mode L channel EXT mode L channel EXT mode L channel EXT mode L channel
∗
∗
∗
0 1 MUTE
MUTE
Selected according to Selected according to
the EXT1, EXT2,
the EXT1, EXT2,
EXTFOMO conditions EXTFOMO conditions
Selected according to Selected according to
∗
∗
∗
1 0 the EXT1, EXT2,
the EXT1, EXT2,
MUTE
MUTE
EXTFOMO conditions EXTFOMO conditions
I²C BUS Signal
There are two I²C signals, SDA (Serial DATA) and SCL (Serial CLOCK) signals. SDA is a bidirectional
signal.
• Accordingly there are 3 values outputs, H, L and HIZ.
H
L
HIZ
L
• I²C transfer begins with Start Condition and ends with Stop Condition.
Start Condition S
SDA
SCL
Stop Condition P
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