Sharp UP-3300 Service Manual page 37

3) Pin description
Pin Signal
Symbol
No. name
1 /RES /RESET
2 NMI NMI
3 VSS GND
4 D0 D0
5 D1 D1
6 D2 D2
7 D3 D3
8 D4 D4
9 D5 D5
10 D6 D6
11 D7 D7
12 D8 D8
13 D9 D9
14 D10 D10
15 D11 D11
16 D12 D12
17 D13 D13
18 D14 D14
19 D15 D15
20 VSS GND
21 A0 A0
22 A1 A1
23 A2 A2
24 A3 A3
25 A4 A4
26 A5 A5
27 A6 A6
28 A7 A7
29 A8 A8
30 A9 A9
31 A10 A10
32 A11 A11
33 A12 A12
34 A13 A13
35 A14 A14
36 A15 A15
37 VSS GND
38 A16 A16
39 A17 A17
40 A18 A18
41 A19 A19
42 A20 A20
43 A21 A21
44 A22 A22
45 A23 A23
46 VSS GND
47 P30 /WAIT
48 P31 /BACK
49 P32 /BREQ
50 P33 DOPS
51 P34 /DR0
52 P35 /DR1
53 P36 NC
54 P37 NC
55 VCC VCC
56 P40 VCC
57 P41 GND
58 P42 GND
In/
Function
Out
In Reset signal
In Non-maskable interrupt input
for SSP interrupt input.
In GND
I/O Data bus
I/O Data bus
I/O Data bus
I/O Data bus
I/O Data bus
I/O Data bus
I/O Data bus
I/O Data bus
I/O Data bus
I/O Data bus
I/O Data bus
I/O Data bus
I/O Data bus
I/O Data bus
I/O Data bus
I/O Data bus
In GND
Out Address bus
Out Address bus
Out Address bus
Out Address bus
Out Address bus
Out Address bus
Out Address bus
Out Address bus
Out Address bus
Out Address bus
Out Address bus
Out Address bus
Out Address bus
Out Address bus
Out Address bus
Out Address bus
In GND
Out Address bus
Out Address bus
Out Address bus
Out Address bus
Out Address bus
Out Address bus
Out Address bus
Out Address bus
In GND
In Wait signal
Out Bus control request
acknowledge signal
In Bus control request signal
In Drawer open signal
Out Option drawer open signal
Out Option drawer open signal
NC NC
NC NC
In +5V
In +5V
In GND
In GND
Pin Signal
Symbol
No. name
59 P43 GND
60 P44 MCRINT
61 P45 GND
62 P46 /SHEN
63 P47 GND
64 VSS GND
65 P50 GND
66 P51 GND
67 P52 GND
68 P53 GND
69 P54 GND
70 P55 GND
71 P56 GND
72 P57 /STOP
73 P60 /IPLON0
74 P61 /IPLON1
75 P62 GND
76 P63 NORDY
P64 FVPON
77
78 P65 BANK
79 P66 GND
80 P67 GND
81 VSS GND
82 AVSS GND
83 P70 GND
84 P71 GND
85 P72 GND
86 P73 GND
87 AVCC VCC
88 VCC VCC
89 /IRQ0 /IRQ0
90 /IRQ1 /IRQ1
91 /IRQ2 UASCK
92 /IRQ3 SCKI
93 RXD1 /UARX
94 TXD1 /UATX
95 RXD2 RXDI
96 TXD2 TXDI
97 VSS GND
98 EXTAL EXTAL
99 XTAL XTAL
100 VSS GND
101 X #
102 E NC
103 /AS /AS
104 RD /RD
105 /HWR /HWR
106 /LWR /LWR
107 /RFSH /RFSH
108 VCC VCC
109 MD0 IPLON0
110 MD1 IPLON0
111 MD2 /IPLON0
112 /STBY VCC
7 – 4
In/
Function
Out
In GND
In MCR interrupt signal
In GND
In CKDC interface shift enable
signal
In GND
In GND
In GND
In GND
In GND
In GND
In GND
In GND
In GND
Out System reset output signal
In From IPL SW of ER-A7RS
In From IPL SW of UP-3300
In GND
In Flash Memory ready ("H" active)
Flash Memory write protect ("L"
Out
active)
Out For IPL ROM
In GND
In GND
In GND
In GND
In GND
In GND
In GND
In GND
In +5V
In +5V
In Interrupt signal 0
In Interrupt signal 1
In Synchronizing shift clock signal
for IR
Out CKDC interface synchronizing
shift clock
In RXD signal for IR
Out TXD signal for IR
In CKDC interface shift input data
Out CKDC interface shift output
data
In GND
In Crystal oscillator connection
19.6MHz
In Crystal oscillator connection
19.6MHz
In GND
Out System clock
NC NC
Out Address strobe
Out Read signal
Out Write signal (HIGH)
Out Write signal (LOW)
Out Refresh cycle signal
In +5V
In From IPL SW of ER-A7RS
In From IPL SW of ER-A7RS
In From IPL SW of ER-A7RS
In +5V