Sharp CE-1620M, CE-1601E User Manual

•

SHARP

CODE:OOZCE1620MSME

CE-1620M

1.INTRODUCTION

• The CE-1620E is a 32 KB PROM module tobeused in the
PC-1600Pocket Computer.
For only a single chip of the PROM ismoun.tedon the board, it
may not require to replacethe PROM chip onlv, To troubleshoot a
failure in the PROM, replace the whole unit. Note that the
program stored in the PROM will be lost, then.

• To trouble shoot a failure in the CE-1601E, replace the whole
unit.

2. SPECIFICATIONS

Model
Operatig temperature
Physical dimension
Appox
Accessories

Model
Type
External Dimensions

Weight
Accessories

Note: The socket capacity (number of times connection and be

made) is approximately 500.

: CE-1620M (32KB PROM Module)
: O°C - 40°C
: 40.9 mm x 42.8 mm x 8.5 mm
: 12g
: Case,spacecover, instruction book

: CE-1601E
: Interface
: 21 mm(W) x 40 mm(D) x 21 mm(H)

13/16"(W) x 1-9/16"(0) x 13/16"(H)
: Approximately 10g (0.02 Ibs)
: Operation Manual

3. WRITING A PROGRAM INTO THE CE-1620M

(Necessaryequipment)

Portable computer
Program module
Connection cable

PROM writer
Writi ng interface
PROM module

: PC-1600
: CE-1600M (32 KRAM module)
: CE-1603L (for RS-232Cterminals)
: DAT A
: CE-1601E
: CE-1620M

1/0

Model 29B or Model 22,201

MODEL

• PROM Module and PROM Interface

CP·1600

I I

:.i:

.

CE-1601 E

CE-1603L

h

fJ

J

L

c::::J

ITJD

PROM writer

Set the PROM writer in accordance with Fujitsu 27C256. This
setting will provide a writing voltage (Vpp) of 21V.

AbO'Utthe procedure to write a program into the CE-1620M,)

(

seethe instruction book of the CE-1620M.

4. Precautions

• When the BATI sign came active on the PC-1600displav, the
unit has to be prornptlv connected with the ac adaptor or the
battery cells ahve to be replaced with fresh ones.

• See the PC-1600 Instruction Book for replacement procedure
of battery cells.

• Pay attention for static when handling the module as it may
likely to destruct an internal circuit. Before handling the module,
touch a metallic portion of a door knob, or a desk to release
starre chargein your body.
Nev-ertough the module terminals.

5. Memory Map (PC-1600)

S1 : (SLOT 1)

80000H

S2 : (SLOT 2)

FFFFH

SHARP CORPORATION

Computer internal memory

CE-1620M

-

CE-160I E

6. CE-1620M Circuit Diagram

GND

I

I

1201

19

]

1

I

1401

]39]

I'---

PVIN

~

I'---

/

A13

A

14

VCC

VPp
A12

A7

III

la

~

I<t

(J)

N

I::

1«

lfi

II~«

l.()

N

VHi-

32

27C256-20S

1

[LCC-32C-A,01 ]

4

III

(Y)

I~

j

~

1<1:

j

"<;f

«

I<t

J J J

N

«

.

I~

Is:

111..1.I

Ik.

0

e-e-

~

«

~

Jj

h

cx:

r (

Ir-

h

~

p

T

20

14

16

(

5

4

7ND

3

2

r-----.
r-----.

r-----

~
~

01

-1

V--

02

-i

v-

03

--1

r'---

04

-1

1'--05

~06-1 D5

~07-1 D6

-i

08 -1 D7

.

I

I

]

I

00

01

D2

D3

D4

I

pVOUTTs1

1181

1171

H

1161

H

1151

14

H

1

1

H

1131

H

1121

H

Illi

]101

H

H

19I

H A9 1281

181

HAlO 1

171

6

H All 1261

1

1

H

RO

Issl

AO 1371

AI 1361

35

A2

1

A3 1341

A4 1331

A5 1321

A6 13iJ

3

A7

1

01

A8 1291

27

AI2 125

1

1

1

7. CE-1620M Parts&Signal Description

UT

RAMSN 14

1

PV

IN T21

vcc 111

Parts side

13I

1

AI3 1241

I

I

I

1231
1221

1211

Dip SW (Not used)

aSW-S1347CCZZ