Yamaha DXS Series, Service Manual

Page: 18 / 88

DXS12/DXS15
18
LSI PIN DESCRIPTION
（LSI 端子機能表）
PCM1804DBR
(X6872A00)
ADC
(Analog to Digital Converter) ..........................................................18
R5F212BCSNFP
(YE165C00)
MCU
(Micro Controller Unit) ................................................................18
TAS3204PAGR
(YA768A00)
DSP
(Digital Signal Processor) ..............................................................19
PIN
NO.
I/O FUNCTION NAME
PIN
NO.
I/O FUNCTION NAME
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
V
REF
L
AGNDL
V
COM
L
V
IN
L+
V
IN
L–
FMT0
FMT1
S/M
OSR0
OSR1
OSR2
BYPAS
DGND
V
DD
DATA/DSDR
-
-
-
I
I
I
I
I
I
I
I
I
-
-
O
L-channel voltage reference output,
requires capacitors for decoupling to AGND
Analog ground for V
REF
L
L-channel analog common-mode voltage (2.5 V)
L-channel analog input, positive pin
L-channel analog input, negative pin
Audio data format 0
Audio data format 1
Slave/master mode selection
Oversampling ratio 0
Oversampling ratio 1
Oversampling ratio 2
HPF bypass control
Digital ground
Digital power 3.3 V
L-channel and R-channel audio data output in PCM
mode / R-channel audio data output in DSD mode
16
17
18
19
20
21
22
23
24
25
26
27
28
BCK/DSDL
LRCK/DSDBCK
SCKI
RST
OVFR
OVFL
V
CC
AGND
V
IN
R–
V
IN
R+
V
COM
R
AGNDR
V
REF
R
I/O
I/O
I
I
O
O
-
-
I
I
-
-
-
Bit clock input/output in PCM mode /
L-channel audio data output in DSD mode
Sampling clock input/output in PCM and
DSD modes
System clock input
Reset, power-down input, active-low
Overflow signal of R-channel in PCM mode
Overflow signal of L-channel in PCM mode
Analog power 5 V
Analog ground
R-channel analog input, negative pin
R-channel analog input, positive pin
R-channel analog common-mode voltage (2.5 V)
Analog ground for V
REF
R
R-channel voltage reference output,
requires capacitors for decoupling to AGND
PCM1804DBR
(X6872A00)
ADC
(Analog to Digital Converter)
DSPW: IC703
PIN
NO.
I/O FUNCTION NAME
PIN
NO.
I/O FUNCTION NAME
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
P3_3/SSI
P3_4/SDA/SCS
MODE
P4_3/XCIN
P4_4/XCOUT
RESET
P4_7/XOUT
VSS/AVSS
P4_6/XIN
VCC/AVCC
P5_4/TRCIOD
P5_3/TRCIOC
P5_2/TRCIOB
P5_1/TRCIOA/TRCTRG
P5_0/TRCCLK
P2_7/TRDIOD1
P2_6/TRDIOC1
P2_5/TRDIOB1
P2_4/TRDIOA1
P2_3/TRDIOD0
P2_2/TRDIOC0
P2_1/TRDIOB0
P2_0/TRDIOA0/TRDCLK
P1_7/TRAIO/INT1
P1_6/CLK0
P1_5/RXD0/(TRAIO)/(INT1)
P1_4/TXD0
P8_6
P8_5/TRFO12
P8_4/TRFO11
P8_3/TRFO10/TRFI
P8_2/TRFO02
I/O
I/O
I
I/O
I/O
I
I/O
-
I
-
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O port / Data I/O
I/O port / Data I/O / Chip-select signal I/O
Connect this pin to VCC via a resistor.
I/O port / XCIN clock input
I/O port / XCIN clock output
Input “L” on this pin resets the MCU.
Input port / XIN clock output
Ground
Input port / XIN clock input
Power 3.3 V
I/O port / Timer RC I/O
I/O port / Timer RC I/O / External trigger input
I/O port / External clock input
I/O port / Timer RD I/O
I/O port / Timer RD I/O / External clock input
I/O port / Timer RA I/O / INT interrupt input
I/O port / Transfer clock I/O
I/O port / Serial data input / (Timer RA I/O) / (INT interrupt input)
I/O port / Serial data output
I/O port
I/O port / Timer RF output
I/O port / Timer RF output / Timer RF input
I/O port / Timer RF output
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64 P8_1/TRFO01
P8_0/TRFO00
P6_0/TREO
P4_5/INT0
P6_6/INT2/TXD1
P6_7/INT3/RXD1
P6_5/(CLK1)/CLK2
P6_4/RXD2
P6_3/TXD2
P3_1/TRBO
P3_0/TRAO
P3_6/(INT1)
P3_2/(INT2)
P1_3/Kl3/AN11
P1_2/Kl2/AN10
P1_1/Kl1/AN9
P1_0/Kl0/AN8
P0_0/AN7
P0_1/AN6
P0_2/AN5
P0_3/AN4
P0_4/AN3
P6_2
P6_1
P0_5/AN2/CLK1
P0_6/AN1/DA0
VSS/AVSS
P0_7/AN0/DA1
VREF
VCC/AVCC
P3_7/SSO
P3_5/SCL/SSCK
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
-
I/O
I
-
I/O
I/O
I/O port / Timer RF output
I/O port / Divided clock output
I/O port / INT interrupt input
I/O port / INT interrupt input / Serial data output
I/O port / INT interrupt input / Serial data input
I/O port / (Transfer clock I/O) / Transfer clock I/O
I/O port / Serial data input
I/O port / Serial data output
I/O port / Timer RB output
I/O port / Timer RA output
I/O port / (INT interrupt input)
I/O port / Key input interrupt / A/D converter input
I/O port / A/D converter input
I/O port
I/O port / A/D converter input / Transfer clock I/O
I/O port / A/D converter input / D/A converter output
Ground
I/O port / A/D converter input / D/A converter output
Reference voltage input
Power 3.3 V
I/O port / Data I/O
I/O port / Clock I/O / Clock I/O
R5F212BCSNFP
(YE165C00)
MCU
(Micro Controller Unit)
DSPW: IC701