Sharp PC-1500 - Page 112

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Q) CE -153 1 /0 PC
Pin no. Signal name Description
1 PA1 Key i npu t po rt
2
PAZ
K ~ i'.!E!' l_e_ Orl
3
PA3
Key
i l!£!l l_e_ O rl
4 PA4 Key i np ut po rt
5
PAS Key in put por t
6
PA6 Kt ~ y input port
7 PA7 K ~i n p ut port
8
GND GND
9 P80 K ~ i np ut part
10
P 81 Key i np ut part
11 PB2
Key strobe
12 PB3
Key strobe
13
PB 4 Key str obe
-
14 PBS
Key st robe
15
P B6 Key strobe
16
PB? Key strobe
17
P<h GND
18 PCO Key str ob e
19
PCt Koy stro be
20
PC2 Koy st r ob(:~
21 PC3 Koy str ob e
22
PC4 Key strobe
23
PCS Key_ strobe
24 PC6 K ~st r obe
25 PC?
Key strobe
26 cso AD15
27 CS 1
AD 14
28
rn
AD 13
~
ASO A DO
30
AS 1 AD1
---
31
AS2
AD2
32 RS3 AD3
33
AN .' Memory t ea d/ write
34 MEO M EO ar ea designation
35
ME1 GND
36
WO GND
37
W1 GND
38
GNO GNO
39
vcc VCC (4.70± 0.02VJ
40 OMEO
N ot us ed
41 OME1 No t used
42 WA IT WA IT condition
43 I NT No t used
44 RESET Reset
45
IAO GND
46
4lO S
I
nte rnal cl oc k having the same ph as e as LSI.
47
CL1
GN D
48 $01 GND
49
LC
Not used
50
CLO Not used
51 soo Not used
52 DO Da ta b us
53 01 O ata b us
54 02 D ata bus
55 0 3 D ata bus
56
0 4
Data bus
57
OS Data bus
58 0 6 Data bus
59
0 7
Data bu s
60
P
AO Key i npu t port
107
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