Yamaha AP-U70 Panduan Servis - Halaman 20
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Halaman Cetak
AP-U70
IC436 : HD6417014F28
16 bit µ-COM (CPU)
WDTOVF
PLLVCC
PLLCAP
PLLVSS
19
1
PE14/DACK0/AH
2
PE15/DACK1
3
VSS
4
A0
5
A1
6
A2
7
A3
8
A4
9
A5
10
A6
11
A7
12
A8
13
A9
14
A10
15
A11
16
A12
17
A13
18
A14
19
A15
20
A16
21
VCC
22
A17
23
VSS
24
PB2/IRQ0/RAS
25
PB3/IRQ1/CASL
26
PB4/IRQ2/CASH
27
VSS
28
PB5/IRQ3/RDWR
RES
MD3
MD2
MD1
MD0
NMI
EXTAL
XTAL
PLL
VCC
VCC
CPU
VCC
VCC
VCC
INTERRUPT
USER
VSS
CONTROLLER
BREAK
VSS
VSS
VSS
VSS
SERIAL
VSS
COMMUNICATION
INTERFACE (X 2CH)
VSS
VSS
VSS
CONVEYOR • MATCH
VSS
TIMER (X 2CH)
VSS
AVCC
AVSS
84
RES
83
PA15
82
PLLVSS
81
PLLCAP
80
PLLVCC
79
MD0
78
MD1
77
VCC
76
NMI
75
MD2
74
EXTAL
73
MD3
72
XTAL
71
VSS
70
D0
69
D1
68
D2
67
D3
66
D4
65
VCC
64
D5
63
D6
62
D7
61
VSS
60
D8
59
D9
58
D10
57
D11
A15
A14
A13
A12
RAM/CACHE
A11
3KB/1KB
A10
A9
A8
A7
A6
A5
A4
A3
DIRECT • MEMORY
ACCESS • CONTROLLER
A2
A1
A0
BUS STATE
CONTROLLER
D15
D14
D13
D12
MULTI-FUNCTION
D11
TIMER • PULSE UNIT
D10
D9
WATCH
D8
A/D
DOG
D7
CONVERTER
TIMER
D6
D5
D4
D3
D2
D1
D0