Lsi Pin Description （Lsi端子機能表 - Yamaha ACU16-C Service Manual

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LSI PIN DESCRIPTION
HD6477042AF28 (X3250A00A00) 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 / PB5 O
TE
L 13942296513
29 A18 O
30 A19 O
31 A20 O
32 /IRQ7/A21 O
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 O
/IRQ3 / TCLKC
43 I
/IRQ2 / TCLKC
44 /CS3 O
45 /CS2 O
46 /IRQ1 I
47 TXD1 O
48 RXD1 I
49 SCKO I
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
(Port E)
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 / Port B
Address bus
Port B / Address bus
Ground
Read
Watch dog timer overflow
High write
Power supply
Low write
Ground
Chip select
Chip select
Port A / Timer clock
Interrupt request / Timer clock
Chip select
Chip select
Interrupt request
Data transmission
Data reception
Interrupt request
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 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
Port E
Ground
Analog input / Port F
Analog ground
Analog input / Port F
Analog input / Port F
Power supply
Ground
(Port E)
Power supply
Port E
Ground
Port E
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ACU16-C
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MAIN: IC201
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