Lsi Pin Description - Yamaha PC9501N Service Manual

PC9501N

■ LSI PIN DESCRIPTION

• HD64F7044F28V (X5719B00) CPU
PIN
NAME I/O
NO.
_____
1 PE1/TIOC4C/DACK0/AH I/O Port E / MTU I/O / DMA transfer strobe / Address hold
2 PE15/TIOC4D/DACK1/IRQOUT I/O Port E / MTU I/O / DMA transfer strobe / Interrupt request output
3 Vss I Ground
4 PC0/A0 O
5 PC1/A1 O
6 PC2/A2 O
7 PC3/A3 O
8 PC4/A4 O
9 PC5/A5 O
10 PC6/A6 O
11 PC7/A7 O
Port C / Address bus
12 PC8/A8 O
13 PC9/A9 O
14 PC10/A10 O
15 PC11/A11 O
16 PC12/A12 O
17 PC13/A13 O
18 PC14/A14 O
19 PC15/A15 O
20 PB0/A16 O Port B / Address bus
21 Vcc I Power supply
22 PB1/A17 O Port B / Address bus
23 Vss I Ground
________ _________ _______
24 PB2/IRQ0 /POE0 /RAS I/O Port B / Interrupt request / Port output enable / Row address strobe
________ ________ ________
25 PB3/IRQ1 /POE1 /CASL I/O Port B / Interrupt request / Port output enable / Lower column address strobe
________ ________ ________
26 PB4/IRQ2 /POE2 /CASH I/O Port B / Interrupt request / Port output enable / Upper column address strobe
27 Vss I Ground
________ _________
28 PB5/IRQ3 /POE3 /RDWR I/O Port B / Interrupt request / Port output enable / DRAM read/write
_________ ___________
29 PB6/IRQ4 /A18/BACK I/O Port B / Interrupt request / Address bus / Bus request acknowledge
_________ ___________
30 PB7/IRQ5 /A19/BREQ I/O Port B / Interrupt request / Address bus / Bus request
_________ __________
31 PB8/IRQ6 /A20/WAIT I/O Port B / Interrupt request / Address bus / Wait
_________ ____________
32 PB9/IRQ7 /A21/ADTRG I/O Port B / Interrupt request / Address bus / A/D conversion trigger input
33 Vss I Ground
_____
34 PA14/RD O Port A / Read
_______________
35 WDTOVF O Watchdog time overflow
________
36 PA13/WRH O Port A / Upper write
37 Vcc I Power supply
________
38 PA12/WRL O Port A / Lower write
39 Vss I Ground
_______
40 PA11/CS1 O
Port A / Chip select
_______
41 PA10/CS0 O
________
42 PA9/TCLKD/IRQ3 I
Port A / MTU timer clock input / Interrupt request
________
43 PA8/TCLKC/IRQ2 I
______
44 PA7/TCLKB/CS3 I/O
Port A / MTU timer clock input / Chip select
______
45 PA6/TCLKA/CS2 I/O
___________ _______
46 PA5/SCK1/DREQ1 /IRQ1 I/O Port A / Serial clock / DMA transfer request / Interrupt request 102
47 PA4/TXD1 O Port A / Data transmission
48 PA3/RXD1 I Port A / Data reception
___________ ________
49 PA2/SCK0/DREQ0 /IRQ0 I/O Port A / Serial clock / DMA transfer request / Interrupt request 105
50 PA1/TXD0 O Port A / Data transmission
51 PA0/RXD0 I Port A / Data reception
52 PD15/D15 I/O
Port D / Data bus
53 PD14/D14 I/O
54 PD13/D13 I/O
55 Vss I Ground
56 PD12/D12 I/O Port D / Data bus
16
（LSI 端子機能表）
PIN
FUNCTION
NO.
100
101
103
104
106
107
108 PE10/TIOC3C
109
110 PE11/TIOC3D
111 PE12/TIOC4A
112 PE13/TIOC4B/MRES
NAME I/O
57 PD11/D11 I/O
58 PD10/D10 I/O
Port D / Data bus
59 PD9/D9 I/O
60 PD8/D8 I/O
61 Vss I Ground
62 PD7/D7 I/O
Port D / Data bus
63 PD6/D6 I/O
64 PD5/D5 I/O
65 Vcc I Power supply
66 PD4/D4 I/O
67 PD3/D3 I/O
Port D / Data bus
68 PD2/D2 I/O
69 PD1/D1 I/O
70 PD0/D0 I/O
71 Vss I Ground
72 XTAL I Crystal oscillator
73 MD3 I Mode set
74 EXTAL I External clock
75 MD2 I Mode set
76 NMI I Non-maskable interrupt request
77 Vcc I Power supply
78 MD1 I
Mode set
79 MD0 I
80 PLLVcc I PLL power supply
81 PLLCAP I PLL capacitance
82 PLLVss I PLL ground
83 PA15/CK O Port A / System clock
_______
84 RES I Power-on reset
____________
85 PE0/TIOC0A/DREQ0 I/O Port E / MTU I/O / DMA transfer request
86 PE1/TIOC0B/DRAK0 I/O Port E / MTU I/O / DREQ request acknowledgement
____________
87 PE2/TIOC0C/DREQ1 I/O Port E / MTU I/O / DMA transfer request
88 PE3/TIOC0D/DRAK1 I/O Port E / MTU I/O / DREQ request acknowledgement
89 PE4/TIOC1A I/O Port E / MTU I/O
90 Vss I Ground
91 PF0/AN0 I
92 PF1/AN1 I
93 PF2/AN2 I
Port F / Analog input
94 PF3/AN3 I
95 PF4/AN4 I
96 PF5/AN5 I
97 AVss I Analog ground
98 PF6/AN6 I
Port F / Analog input
99 PF7/AN7 I
AVcc I Analog power supply
Vss I Ground
PE5/TIOC1B I/O Port E / MTU I/O
Vcc I Power supply
PE6/TIOC2A I/O
PE7/TIOC2B I/O
Port E / MTU I/O
PE8/TIOC3A I/O
PE9/TIOC3B I/O
I/O
Vss I Ground
I/O
Port E / MTU I/O
I/O
__________
I/O Port E / MTU I/O / Manual reset
IN10: IC801
FUNCTION