Yamaha Silent SB Series, Service Manual

Page: 11 / 49

SILENT SB SERIES
11
1 PE14 O Port E 57 D11 I/O
2 PE15 O Port E 58 D10 I/O Data bus
3 VSS I Ground 59 D9 I/O
4 A0 O 60 D8 I/O
5 A1 O 61 VSS I Ground
6 A2 O 62 D7 I/O
7 A3 O 63 D6 I/O Data bus
8 A4 O 64 D5 I/O
9 A5 O 65 VCC I Power supply
10 A6 O 66 D4 I/O
11 A7 O Address bus 67 D3 I/O
12 A8 O 68 D2 I/O Data bus
13 A9 O 69 D1 I/O
14 A10 O 70 D0 I/O
15 A11 O 71 VSS I Ground
16 A12 O 72 XTAL I CLK
17 A13 O 73 MD3 I Mode control
18 A14 O 74 EXTAL I CLK
19 A15 O 75 MD2 I Mode control
20 A16 O 76 NMI I Non-maskable interrupt request
21 VCC I Power supply 77 VCC I Power supply
22 PB1/A17 O Address bus 78 MD1 I Mode control
23 VSS I Ground 79 MD0 I Mode control
24 /RAS O 80 PLLVCC I
25 /CASL O Bus control 81 PLLCAP I CLK
26 /CASH O 82 PLLVSS I
27 VSS O Ground 83 PA15/CK O Port A
28 RDWR O 84 /RES I Reset
29 A18 O 85 PE0 I
30 A19 O Port A 86 PE1 I
31 A20 O 87 PE2 I Port E
32 PB9 O Port B 88 PE3 I
33 VSS I Ground 89 PE4 I
34 /RD O Bus control 90 VSS I Ground
35 /WDTOVF O NC 91 AN0 I
36 /WRH O NC 92 AN1 I
37 VCC I Power supply 93 AN2 I A/D
38 /WRL O Bus control 94 AN3 I
39 VSS I Ground 95 AN4 I
40 /CS1 O Bus control 96 AN5 I
41 /CS0 O Bus control 97 AVSS I Analog ground
42 PA9 O Port A 98 AN6 I A/D
43 PA8 I Port A 99 AN7 I A/D
44 /CS3 O Bus control 100 AVCC I Power supply
45 /CS2 O Bus control 101 VSS I Ground
46 PA5 O 102 PE5 O Port E
47 PA4 O Port A 103 VCC I Power supply
48 PA3 O 104 PE6 O
49 /IRQ0 I Interrupt 105 PE7 O
50 TXD0 O SCI 106 PE8 O Port E
51 RXD0 I SCI 107 PE9 O
52 D15 I/O 108 PE10 O
53 D14 I/O Data bus 109 VSS I Ground
54 D13 I/O 110 PE11 O
55 VSS I Ground 111 PE12 O Port E
56 D12 I/O Data bus 112 PE13 O
PIN
NAME I/O FUNCTION
NO.
PIN
NAME I/O FUNCTION
NO.
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●
HD6417014F28 (XU147A00) CPU
MN: IC002