Yamaha MW12C, Руководство по обслуживанию

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MW12CX/MW12C
30
■
LSI PIN DESCRIPTION
（LSI端子機能表）
Address bus
(Unused)
Address bus
Address bus
Chip enable
Ground
Output enable
Data bus
Power 3.3 V
Data bus
Data bus / LSB address
Ground
Word/byte mode selection
Address bus
FUNCTION
•
MX23L8103TC-90G (X5922A00) CPU DSP2: ICM10
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
A15
A14
A13
A12
A11
A10
A9
A8
(N.C.)
(N.C.)
(N.C.)
(N.C.)
(N.C.)
(N.C.)
(N.C.)
A18
A17
A7
A6
A5
A4
A3
A2
A1
I
I
I
I
I
I
I
I
-
-
-
-
-
-
-
I
I
I
I
I
I
I
I
I
PIN
No.
NAME I/O
PIN
No.
NAME I/O FUNCTION
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48 A0
CE#
VSS
OE#
D0
D8
D1
D9
D2
D10
D3
D11
VCC
D4
D12
D5
D13
D6
D14
D7
D15/A-1
VSS
BYTE#
A16
I
I
-
I
O
O
O
O
O
O
O
O
-
O
O
O
O
O
O
O
I/O
-
-
I






















































•
AK5381VT-E2 (X5219A00) ADC (Analog to Digital Converter) DSP2: ICM04
1
2
3
4
5
6
7
8 AINR
AINL
CKS1
VCOM
AGND
VA
VD
DGND
Rch analog input pin
Lch analog input pin
Mode select 1 pin
Common voltage output pin
Analog ground
Analog power supply
Digital power supply
Digital ground I
I
I
O
-
-
-
-
PIN
No.
NAME FUNCTION I/O
PIN
No.
NAME I/O FUNCTION
9
10
11
12
13
14
15
16
SDTO
LRCK
MCLK
SCLK
PDN
DIF
CKS2
CKS0
O
I/O
I
I/O
I
I
I
I
Audio serial data output pin
Output channnel clock pin
Master clock input pin
Audio serial data clock pin
Power down mode pin
Audio interface format pin
Mode select 2 pin
Mode select 0 pin
•
PCM1742KEG/2K (X3538A00) DAC (Digital to Analog Converter) DSP2: ICM08
1
2
3
4
5
6
7
8
BCK
DATA
LRCK
DGND
VDD
Vcc
VOUTL
VOUTR
Audio data bit clock input
Audio data digital input.
L-channel and R-channel audio data latch enable
input
Digital ground
Digital power supply, +3.3 V
Analog power supply, +5 V
Analog output for L-channel
Analog output for R-channel I
I
I
-
-
-
O
O
PIN
No.
NAME FUNCTION I/O
PIN
No.
NAME I/O FUNCTION
9
10
11
12
13
14
15
16
AGND
VCOM
ZEROR/ZEROA
ZEROL/NA
MD
MC
ML
SCK
-
-
O
O
I
I
I
I
Analog ground
Common voltage decoupling.
Zero flag output for R-channel/Zero flag output
for L/R-channel
Zero flag output for L-channel/No assign
Mode control data Input
Mode control clock input
Mode control latch input
System clock input
Note:
(1) Schmitt trigger input, 5V tolerant.
(2) Schmitt trigger I/O with internal pull-down, 5V tolerant.
USB differential input/output plus
USB differential input/output minus
Connect to USB power (VBUS)
Digital ground for USB transceiver
HID key state input(mute), active high
HID key state input(volume up),active high
HID key state input(volume down),active high
Must be set to high
Must be set to high
Internal analog power supply for codec
Analog ground for codec
ADC analog input for L-channel
ADC analog input for R-channel
Common for ADC/DAC(VCCCI/2) DAC analog output for R-channel
DAC analog output for L-channel
Internal analog power supply for PLL
Analog ground for PLL
Internal analog power supply for PLL
Crystal oscillator output
Crystal oscillator input
Analog ground for oscillator
Internal analog power supply for oscillator
Test pin, must be connected to GND
Test pin, must be left open
Digital gronud
Internal digital power supply
Suspend flag, active low
(Low: suspend, High: operational)
FUNCTION
•
PCM2900E/2K (X7143A00) USB PROTOCOL CONROLLER USB: ICM101
1
2
3
4
5
6
7
8
9
10
11
12
13
14
D+
D-
VBUS
DGNDU
HID0
HID1
HID2
SEL0
SEL1
VCCCI
AGNDC
VINL
VINR
VCOM
I/O
I/O
-
-
I
I
I
I
I
-
-
I
I
-
PIN
No.
NAME I/O
PIN
No.
NAME I/O
FUNCTION
15
16
17
18
19
20
21
22
23
24
25
26
27
28 VOUTR
VOUTL
VCCP1I
AGNDP
VCCP2I
XTO
XTI
AGNDX
VCCXI
TEST0
TEST1
DGND
VDDI
SSPND
O
O
-
-
-
O
I
-
-
I
O
-
-
O