Sharp PC-1500 - Page 109

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4-3-3. LH5801 Microprocessor
P in no.
Signa l name
Description
I
RESET Reset 1npu1
2 NC NC
3 BRO fixed 10 GNO l<tWI
·•
BFI ~ key 1npu1 SJgnal
s VGG
VGG
6 BFO VCC 0Uip u1
7
OPF Not use-O
8
B AK
Nol used
9 vcc VCC (4 0- 4 7V)
10
VGG
VGG
(4.0- 4.7V}
11 VM
-
LCD::Jiow or siiiii>iV
---
12 VDIS LCD oo w er su pp ly
13
VA LCO oowe < s\;pply
14
VB lCO piower supp l y
IS NMI
GN D
16 Ml
Mask at>!e 1nterrttt» 1ii"Pu t
17 H IN LCO Dac k. plate $.OnaJ
18
-
LCD bac~late SoQna l
HA
19
OISP LCD on / off control
20
H7
Not used
21
H6 Bac lt plate co ntrol
22 HS
Bac".platc con tr ol
23
H4
Bac"p late con tr ol
24
HJ Bactplate control
25 H2 Backplate control
26
H I
Ba ckp hue control
?.7 MO
1J ackp:1a1e control
28
OD Outpt,,1l di sab le
29 M EO M EO .area deslgna1 1on
30 MEI M E1 .area des-;-9 -na1ion
3 1
00 Dil ta bus
32 DI Otlta bus
33 D2
Data bus
34
03 O,,ta bus
3S 04
Dala bus
36 05
-
Data bus
37
06 Data bus
38
07
Data bus
39 AOO AO<Jress bus
--
40
ADI Address bus
41
AD2 Address bus
• 2 A03 Acldte1.S bl!S
•3 A04 Addres s bvs
44
ADS
Addr'OSS bus
45
A06
i\ ddr oss bus
46 A07 Ad dr ess bus
47
GND
GNO
48
A08 A dd ress bos
49
VGG
-
VGG
so
AD9
Address oos
SI A OIO
Address bus
52
AO ll
---
Address bus
53
A01 2
Addr es s bus I
54 A01 3 A ddres s bus
55 A0 14 AOoress bus
56
AOI S
Adores.s bus
S7
NC NC
58 RfW M e m~ 1ead1 w111 e
S9 PO No1 usec
60 PV Chip select
6 1
PU
C ~ select
62
•OS
Cloc k which 1s 1n the same phase as t he LSI Inter na l cloc k
63 XLO
-1-
___ ? 6 MH z. osc 1lla1 or i np ul
G•
XU
2.6 MH 2. OSC1Jlat or OU I PU l
W AIT
-
CPU WA IT slg.ial GS
66 IN7
--
Key1'1QUt:QOrt
67
ING
K ~l'i2Utpo rt
68 INS
-1-
K e..r_o~t:QOn
69
I N4
K ~ 1np tJ t port
70 IN3
-
K'!Y_ onpu1 oort
71 IN 2
~1npvt POrl
72 IN I
~npulpo •t
73 INO Key 1np u·1 po fl
74 NC NC
7S
NC NC
76
NC NC
104
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