Sharp PC-1500 - Page 107

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4-3. Connector signals/LS I signals
102
Note t ha t t he re may be a di ff erent ki nd of connector u sed fo r the 40 and 60 pin connector
of the PC-1 500 on account of product revision. The 64-pi n connector on the back of t he
CE- 150 is com pa t ibl e wi th the 60-pin co nn ec tor of t he P C-1500. Either the 1.H 5X I I or
LH5810 is used for the 1/ 0 PC. The LH581 I is an upgraded version of the 1.H 581 0.
4-3-1. 40-pin connector
Pin no. Signal name
Descri
ption
1
vcc vcc
2 PV Clii p se 1 ec1
3 PU
Chip sel
ect
4 YO Address designation ol OOOOH - 3F FFH
5
S4 Address des~n al i on of 6000H - 6700 H
6 OM EO
Chip sel ec t with WAIT con di tio n 1n consideration ( MEO ar ea
assi gnme n it )
7 07 Data bus
8
06 Data bus
9 05 Data bus
10 04 Darn bus
11
03
Oe 1 1a bus
12
D2
Da ta bus
13
01 Da ta bus
14
DO Oa ta bus
15 INHIBIT Prohib it s ROM select of me PC -1500. wh en connected 10 GN D.
16 $1 Address d e5ign at i on o t 4800H- 4FFFH
17
S2
Address design at i on ot SOOO H -· 57FFH
18 $3 Addr ess d es i gnation ot 5800H- 5FFFH
19 Y2
Addr ess designation of 8000H- BFFFH
20 VGG VGG
21 GND GND
22
AD15
Address
bus
23
AD 14 Address bus
24 AD13
Address bus
25
AD 12 Address bus
26
1\011
Address bus
27 AD10 Address bus
28
AD9 Address bus
29 AD8 Addf ess bus
30
A0 7
Address bus
31 A06 Address bus
32
ADS Address bus
33
A04 Address bus
34 AD3
Ad dr ess bus
35 AD2
Address
bus
36
ADI
Address bus
37 ADO Address bus
38 OD
Output disable
39
R/W Mem o'y read / .. -vri te
40 GND
GND
NOT E: S4 of No. 5 may oe N C. depe ndi ng on pr oduc t io n m onth .
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