Lsi Pin Description（Lsi 端子機能表; Ic Block Diagram（Ic ブロック図 - Yamaha MW12 Service Manual

MW12
■ LSI PIN DESCRIPTION（LSI 端子機能表）
PCM2900E/2K (X7143A00) USB PROTOCOL CONROLLER
PIN
NAME I/O
NO.
1 D+ I/O
2 D- I/O
3 V -
BUS
4 DGNDU -
5 HID0 I
6 HID1 I
7 HID2 I
8 SEL0 I
9 SEL1 I
10 V -
CCCI
11 AGNDC -
12 V L I
IN
13 V R I
IN
14 V -
COM
■ IC BLOCK DIAGRAM（IC ブロック図）
NJM4580E-D(TE-1) (XT157A00)
●
NJM2068M-D (X3505A00)
Dual Operational Amplifier
MAIN:IC501, 601, 701, 801, 901,
ICA01,E01, E02, F02, G06, G07
MAIN:IC902, A02, B01, C01, E01, F01,
ICG01, G02
USB:IC103, 104
Output A 1 +V
Inverting
2
Input A
- +
Non-Inverting
3
+ -
Input A
-DC Voltage Supply 4 -V
LB1412M(X5838A00)
LED Driver
MAIN: ICH01, H02
VZ RESET OSC ILED
13 12 14
OSC
-
+
OUT2 11
-
+
-
+ -
+
IN2
10
-
+
OUT1
9
-
+
- +
IN1 8
-
+
-
+
R
-
S Q
+
R
Q
-
S Q
+
R
Q
VCC
16 -
S Q
+
R
Q
-
S Q
+
R Q
-
S Q
+
7
GND
18
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FUNCTION
USB differential input/output plus
USB differential input/output minus
Connect to USB power (V )
BUS
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)
BA4560RF-E2 (X6897A00)
●
Dual Operational Amplifier
MAIN:IC502, 503, 702, 703, 903, 904,
+DC Voltage
8 Output A
Supply
Inverting
7 Output B
Input A
Inverting
Non-Inverting
6
Input B
Input A
Non-Inverting
5 -DC Voltage Supply
Input B
15
CURENT
DRIVER
D1
17
D2
18
19 D3
D4
20
CURENT
DRIVER
D5
21
D6
22
23
D7
D8
2
D9
3
D10
4
D11
5
D12
6
PIN
NAME I/O
NO.
15 V R O
OUT
16 V L O
OUT
17 V -
CCP1I
18 AGNDP -
19 V -
CCP2I
20 XTO O
21 XTI I
22 AGNDX -
23 V -
CCXI
24 TEST0 I
25 TEST1 O
26 DGND -
27 V -
DDI
28 SSPND O
ICA03, A04, B02, B03, C02,
IC C03, D01, D02, D03, E03,
ICG03, G04, G05
+DC Voltage
1 +V 8
Supply
2 7 Output B
- +
Inverting
3 6
+ -
Input B
Non-Inverting
4 -V 5
Input B
FUNCTION
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)
NJM4556AL (XP844A00)
Dual Operational Amplifier
MAIN: ICH03
A B
1 2 3 4 5 6
7 8
OUT - + - + - OUT +
A A A V B B B V
USB: IC101