Lsi Pin Description （Lsi端子機能表 - Yamaha NHB32-C Service Manual

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LSI PIN DESCRIPTION
HD6477042AF28 (X3250A00) CPU
PIN
NAME I/O
NO.
1 /DACK0 O
2 PE15 O
3 VSS I
4 A0 O
5 A1 O
6 A2 O
7 A3 O
8 A4 O
9 A5 O
10 A6 O
11 A7 O
12 A8 O
13 A9 O
14 A10 O
15 A11 O
16 A12 O
17 A13 O
18 A14 O
19 A15 O
20 A16 O
21 VCC I
22 A17 O
23 VSS I
24 /RAS O
25 /CASL O
26 /CASH O
27 VSS O
28 RDWR O
TE
L 13942296513
29 A18 O
30 A19 O
31 A20 O
32 /IRQ7 I
33 VSS I
34 /RD O
35 /WDTOVF O
36 /WRH O
37 VCC I
38 /WRL O
39 VSS I
40 /CS1 O
41 /CS0 O
42 /IRQ3 I
43 /IRQ2 I
44 /CS3 O
45 /CS2 O
46 /IRQ1 I
47 TXD O
48 RXD I
49 SCK0 I/O
50 PA1 / TXD0 O
51 PA0 / RXD0 I
52 D15 I/O
53 D14 I/O
54 D13 I/O
55 VSS I
56 D12 I/O
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（LSI 端子機能表）
FUNCTION
DMA strobe
Port E
Ground
Address bus
Power supply
Address bus
Ground
Row address strobe
Column address strobe (low)
Column address strobe (high)
Ground
DRAM read/write
Address bus
Interrupt reguest
Ground
Read
Watch dog timer overflow
High write
Power supply
Low write
Ground
Chip select
Chip select
Interrupt reguest
Interrupt request
Chip select
Chip select
Interrupt request
Data transmission
Data reception
Serial clock
Port A / Data transmission
Port A / Data reception
Data bus
Ground
Data bus
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PIN
NAME I/O
NO.
57 D11 I/O
58 D10 I/O
59 D9 I/O
60 D8 I/O
61 VSS I
62 D7 I/O
63 D6 I/O
64 D5 I/O
65 VCC I
66 D4 I/O
67 D3 I/O
68 D2 I/O
69 D1 I/O
70 D0 I/O
71 VSS I
72 XTAL I
73 MD3 I
74 EXTAL I
75 MD2 I
76 NMI I
77 VCC I
78 MD1 I
79 MD0 I
80 PLLVCC I
81 PLLCAP I
82 PLLVSS I
83 PA15 / CK O
84 /RES I
Q Q
3 6 7 1 3 1 5
85 DREQ0 I
86 PE1 I
87 PE2 I
88 PE3 I
89 PE4 I
90 VSS I
91 AN0 / PF0 I
92 AN1 / PF1 I
93 AN2 / PF2 I
94 AN3 / PF3 I
95 AN4 / PF4 I
96 AN5 / PF5 I
97 AVSS I
98 AN6 / PF6 I
99 AN7 / PF7 I
100 AVCC I
101 VSS I
102 TIOC1B I/O
103 VCC I
104 PE6 O
105 PE7 O
106 PE8 O
107 PE9 O
108 PE10 O
109 VSS I
110 PE11 O
111 PE12 O
112 PE13 O
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FUNCTION
Data bus
Ground
Data bus
Power supply
Data bus
Ground
Crystal oscillator
Mode control
Crystal oscillator
Mode control
Non-maskable interrupt request
Power supply
Mode control
Mode control
PLL Power supply
PLL capacitor
PLL Ground
Port A / Clock
Reset
0 5 8 2 9 9 4 2 8
DMA Reguest
Port E
Ground
Analog input / Port F
Analog ground
Analog input / Port F
Analog input / Port F
Power supply
Ground
Input capture/Output compare
Power supply
Port E
Ground
Port E
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NHB32-C
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MAIN: IC201
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