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楽器 Yamaha U3-SILENTのPDF サービスマニュアルをオンラインで閲覧またはダウンロードできます。Yamaha U3-SILENT 49 ページ。

Yamaha U3-SILENT サービスマニュアル
SILENT SB SERIES

LSI PIN DISCRIPTION

CONTENTS
HD64F2128F16
HD6417014F28
TC203C760HF-001
TC203C760HF-002
PCM1702U/2K
HD64F2128F16 (X2690A00) CPU (FLASH)
PIN
NAME
I/O
No.
1
P50/TxD0
I/O
2
P51/RxD0
I/O
3
P52/SCL0
I/O
4
/RES
I
5
NMI
I
6
Vcc
7
/STBY
I
8
Vcc
9
XTAL
I
10
EXTAL
I
11
MD1
I
12
MD0
I
13
AVss
14
P70/AN0
I
15
P71/AN1
I
16
P72/AN2
I
17
P73/AN3
I
18
P74/AN4
I
19
P75/AN5
I
20
P76/AN6
I
21
P77/AN7
I
22
AVcc
23
P60
I/O
24
P61
I/O
25
P62
I/O
26
P63
I/O
27
P64
I/O
28
P65
I/O
29
P66
I/O
30
P67
I/O
31
Vcc
32
P27/SCK1
I/O
10
(X2690A00)
(XU147A00)
(XR738A00)
(XS725A00)
(XP551A00)
FUNCTION
Port5 / Transmission data
Port5 / Reception data
Port5 / Serial clock
Reset
Non-maskable interrupt
Power supply +5V
Stand-by mode signal
Ground
Crystal oscillator
Mode select
Analog ground
Port7 / Analog input
Analog power supply +5V
Port6
Power supply +5V
Port2 / Serial clock
CPU ........................................................... 10 page
CPU ............................................................ 11 page
SWP30 ...................................................... 12 page
SWP30B .................................................... 13 page
DAC ........................................................... 14 page
PIN
NAME
I/O
No.
33
P26/RxD1
I/O
34
P25/TxD1
I/O
35
P24/SCL1
I/O
36
P23/SDA1
I/O
37
P22
I/O
38
P21
I/O
39
P20
I/O
40
Vss
41
P17
I/O
42
P16
I/O
43
P15
I/O
44
P14
I/O
45
P13
I/O
46
P12
I/O
47
P11
I/O
48
P10
I/O
49
P30
I/O
50
P31
I/O
51
P32
I/O
52
P33
I/O
53
P34
I/O
54
P35
I/O
55
P36
I/O
56
P37
I/O
57
P40/IRQ2
I/O
58
P41/IRQ1
I/O
59
P42/IRQ0
I/O
60
P43
I/O
61
P44
I/O
62
P45
I/O
63
P46
I/O
64
P47/SDA0
I/O
KEY SENSOR: CPU1
FUNCTION
Port2 / Reception data
Port2 / Transmission data
Port2 / Serial clock
Port2 / Serial data
Port2
Ground
Port1
Port3
Port4 / Interrupt request
Port4
Port4 / Serial data