Sharp PC-1500 Technical Reference Manual page 113

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CE-158 1/0 PC
Pin no.
Sl9nal
nam~
Description
,
PA1
AS232C l/F send request
2 PA2
RS232C l/F
rca~to
receive
3
PA3
AS232C 1 /F carrier detect
4 PA~
AS232C l/F data se1 reaqy _
5 PAS
Low t.>anery
6
PA6
Baud rat e SCICC1
7 PA7
Baud rate SC?IC?CI
8
C~ N O
GNO
9
PBO
Centron ics parallel l/ F DATA 2
10 PB1
Centronics para I t~I l/F DAT A
J
11
PB2 Ccntronics parallel l/ F OAT A 4
12 PB3 Centron ics~,ra l
tel l/ F OAT A 5
13 PEl4
Centronics parallel l/ F DATA 6
14
PBS
Ccntror~1cs~rallel
l/ F DATA 7
15 PB6
C(!;'nlron ic$ pitr"llel l/ F OAT!\$
16 PB7
Centronics para I tel l/ f BUSY irJQyl
17
P<!I
GND
18 PCO
Baud ra1 e select
19 PC1
Baud rate select
20 PC2
Baud rate select
21 PC3
Baud
a1tc
select
22 PC4
Baud ra1 e select
23
PCS Ce n1ro nics pttr~l lel 1 / F DATA 1
24 PC6
Centronics panallel l/ F ST R()BE'.
25
PC7
Ccn tronics para I let l/ F IN IT
26
cso
VCC (4.70:t0.02V)
27 CS1 VCC (4.70±0.02V)
28 CS2 GND
29 RSO ADO
3()
RS1 A01
31
RS2 AD2
32 RS3 A03
33 RI\\' Memory read/ write
34 MEO
~1EO
area
dc$i90a1ion
35
MEI
GND
35 WO GND
37
W1 GND
38
GND GND
39
vcc
VCC (4.70:t0.02V)
·10
OMEO
Not used
41
01'.1E1 No1 used
42
WAIT
Not u sed
<3
INT
lnlerrupl 1eq1.1es1 to CPU
44
RESET
LH58 11 reset
45
IRO
-
Interrupt req uest
46 4>05
1 oten 1 al clock havi!!9_ 1he s;1me phase as LSI.
. 1 7
CL1 GND
48 501 GND
49
LC
Not u sed
50
CLO
Nol u sed
51
soo
Not u sed
52 DO
Oata bus
53
01
Data bus
54
02
Data t:: ~1s
55 03
0 (lta b us
56
04
Do.ta bus
57 05
Data b us
58
06
Oata bus
59
0 7
Data bu$
60
PAO
RS232C l/F lerminal ready
108
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