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
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
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
+V 8
Supply
7 Output B
Inverting
Non-Inverting
6
Input B
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
NO.
15 V R
OUT
16 V L
OUT
17 V
CCP1I
18 AGNDP
19 V
CCP2I
20 XTO
21 XTI
22 AGNDX
23 V
CCXI
24 TEST0
25 TEST1
26 DGND
27 V
DDI
28 SSPND
ICA03, A04, B02, B03, C02,
IC C03, D01, D02, D03, E03,
ICG03, G04, G05
+DC Voltage
Output A 1 +V 8
Supply
Inverting
2 7 Output B
Input A
- +
Inverting
3 6
+ - Input B
Input A
Non-Inverting
4 -V 5
Input B
I/O FUNCTION
O DAC analog output for R-channel
O DAC analog output for L-channel
- Internal analog power supply for PLL
- Analog ground for PLL
- Internal analog power supply for PLL
O Crystal oscillator output
I Crystal oscillator input
- Analog ground for oscillator
- Internal analog power supply for oscillator
I Test pin, must be connected to GND
O Test pin, must be left open
- Digital gronud
- Internal digital power supply
O Suspend flag, active low
(Low: suspend, High: operational)
NJM4556AL (XP844A00)
Dual Operational Amplifier
MAIN: ICH03
A
1 2 3 4 5
OUT - + - +
A A A V B
USB: IC101
B
6 7 8
- OUT +
B B V