Sharp PC-E500S - System Composition

PC-E500S
3. System composition
@)
Cassette
interface
Ft
aa
ee
et
foe
RS-232C
CE-124
Printer & cassette interface]
Pocket computer
PC-E500S
Level converter
CE-130T
Personal Soniplter
CE-126P ¥ RAM card CE-135T euaae
eee
evel
bye)
mE!
Sense
-
required.)
is
CE-2H16M
(16K
byte)
\
CE-2H32M
(32K
byte)
Mark
><
shows
the
cable
©) i eHeehl (oalseyie) which is required according
b
to
the
model.
Pocket disk drive
CE-140F
4. PC-E500S system biock diagram
Voltage
Detecter
IRQ
| LCD LE7766Q
| V1-V6 | ,
DC/DC VEE | Common Columu Columu
Carver: Driver » Driver —® Driver
| HD61203 | HD61202 HD61202
REG ka + |
VDD
=
|
|
|_| Adrr. AO-A17 15
Ceralock
|
PU
___¥Datadob7
| +t
D
29MHz_|
scezoiscor
ceoces
|
#
SST
PCS
—
ee)
hh
KOO~KO10
|
,
1S
=
| =-— CEO rt
EH ez | pam
pe
Ty
boot
td
eee
aK
ROM
AT256
Coe
|
BF
SEES ERRER
Key Matrix
ino