Sharp PC-1500 - Page 113

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© CE-158 1/0 PC
Pin no . Signal name
Description
1 PA1 RS232C l/ F send reg_ uest
2 PA2 RS232C l/F read:y to receive
3
PA3 RS232C l/ F ca rr i er det ect
4
PA4 RS 232C l/F data set ready
5
PAS
Low battery
6
PA6
Baud rate se lect
7 PA7
Baud rate select
8 GND GND
9
PBO Centronics para I lei t/ F OAT A 2
10 PB1 Ce ntron ics para lle l t/ F OAT A 3
11
PB2 Centronics paral le l l/F DATA 4
12 PB3
C ent ron i cs~ra ll e l 1/ F DA TA 5
13 P84 Centroni cs para ll el l/ F DATA 6
14 P8 5 Centroni cs ....e_ar a ll el l/F DAT A 7
15
PB6
Centroni
cs _E_ ara ll el l/F DA TA 8
16
PB7 Centronics para ll el 1/F BUSY input
17
pq,
GND
18
PCO Baud rate sel ect
19 PC 1 Ba ud ra te select
20
PC 2 Baud rate select
21 P C3 Baud rate select
22
PC4 Baud rate select
23 PCS Cent ro ni cs par a ll el l/F DAT A 1
24 PC6 C enl ro ni cs para ll el l/F STROBE
25 PC7 Centron ics par a ll el 1/F IN IT
26 cs o VCC (4 .70± 0.02V)
27
CS I VCC (4.70±0.02V)
28 CS2 GND
29 RSO ADO
30 RS I ADI
31 RS2 A02
32 RS3 AD3
33
R/W Me n1o ry read/wd te
34
MEO
MEO area des.iR na 1i on
35
MEI GND
36
WO GND
37 W1 GND
38 GND GND
39 vcc VCC (4.70±0.02V)
40 OM EO N ot used
41
DME1 Not used
42
WA IT Not used
43 I NT
lnte rr !!£.! r'!S!' esl lo CPU
44
RESET LH5811 reset
45
IR O
Interrupt r eq ue slf
46
4> 0S
tnte(nal clock ha vi r.!.9_ the same phase as LS I.
47
cu
GND
-1 8 S D1 GND
49
LC
N ot used
50 CL O
N ot used
51
soo
N ot used
52
00
Data b us
53 D1 Data bus
54 D2 Data bus
55 D3 Oa la bus
56
04
Dala bus
57
D5
Data
bus
58 D6
Da ta
bus
59
07
Data bus
60
P
AO RS232C l/F te rrYninal ready
108
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