CS6X
14
1 VINL I Analog input (L ch.) 13 LRCK I/O Sampling clock input/output
2 VREF1 - Reference 1 decoupling cap. 14 BCK I/O Bit clock input/output
3 REFCOM - Reference decoupling common 15 DOUT O Audio data output
4 VREF2 - Reference 2 decoupling cap. 16 SYSCK I System clock input
5 VINR I Analog input (R ch.) 17 DGND - Digital ground
6 RSTB I Reset input active “L” 18 VDD - Power supply +5V
7 BYPAS I LCF bypass control 19 CINNR - Anti-aliasing filter cap. (-) R ch.
8 FMT0 I Audio data format 0 20 CINPR - Anti-aliasing filter cap. (+) R ch.
9 FMT1 I Audio data format 1 21 CINNL - Anti-aliasing filter cap. (-) L ch.
10 MODE0 I Master/Slave mode selection 0 22 CINPL - Anti-aliasing filter cap. (+) L ch.
11 MODE1 I Master/Slave mode selection 1 23 VCC - Analog power supply
12 FSYNC I/O Frame sync. input/output 24 AGND - Analog ground
PIN
NAME I/O FUNCTION
NO.
PIN
NAME I/O FUNCTION
NO.
PCM1800 (XU770A00) A/D Converter
1
2
3
4
5
6
7
13
12
11
10
9
8
141A
1B
1Y
2A
2B
2Y
VDD
4B
4A
4Y
3B
3A
3Y
TC74VHC00F(XT229A00)
IC73
MAND
Vss
TC74VH04F (XM332A00)
IC54
Inverter
1
2
3
4
5
6
7
1A
1Y
2A
2Y
3A
3Y
Vss
14
13
12
11
10
9
8
VDD
6A
6Y
5A
5Y
4A
4Y
11A
2
3
4
5
6
7
1B
1Y
2A
2B
2Y
GND
8
9
10
11
12
13
14
V
CC
4B
4A
4Y
3B
3A
3Y
TC74VH32F(XN963A00)
IC29, IC55
OR
TC74LVC139FPEL(XS048A00)
IC26, IC42
Demultiplexer
1
2
3
4
5
6
7
1G
1A
1B
1Y0
1Y1
1Y2
1Y3
A
G
B
Y0
Y1
Y2
Y3
16
15
14
13
12
11
10
Vcc
2G
2A
2B
2Y0
2Y1
2Y2
8
GND
9
2Y3
Y2
Y3
Y1
Y0
B
A
G
TC74VHC157FF(XN966A00)
IC103
Multiplexer
1
2
3
4
5
6
7
1G
1A
1B
1Y0
1Y1
1Y2
1Y3
16
15
14
13
12
11
10
Vcc
2G
2A
2B
2Y0
2Y1
2Y2
8
GND
9
2Y3
1
2
3
4
5
6
7
8
13
14
15
16
17
18
19
20
9
10
11
12
VDD (Vcc)
2G
1Y1
2A4
1Y2
2A3
1Y3
2A2
1Y4
2A1(GND) Vss
2Y1
1A4
2Y2
1A3
2Y3
1A2
2Y4
1A1
1G
TC74VHC244F(XT800A00)
IC51
Bus Buffer
IC BLOCK DIAGRAM
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