Specifications
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9. CIRCUIT EXPLANATION
9-1. BLock Diagram
OSC for timer clock OSC for CPU OSC for fast IrDA Control
32.768kHz
18.432MHz 48.000MHz
CPU
ADDRESS BUS
DATA BUS
GATE ARRAY:
COMGA
(IC1)
GATE ARRAY:
HIGURASHI
(IC4)
D-RAM(8MBX4)
ROM
*
COMGA
is the abbreviated name
*
HIGURASHI
is a Japanese
for Communication Gate Array.
E-100:
16Mbytesx2
RESET
Communication
Block
16MBytes
E-105:
CRADLE/MODEM
Compact Flash
32MBytes
RS-232C Driver/
Memory Card/ (CAMERA)
Receiver IC (IC1)
LCD (TFT)
2Mbytes
240X320 dots
LCD MODULE
* Refer to 11. SHEMATIC DIAGRAMS in this Manual.
* Refer to 9-2. Power Supply and on the next page concerning Power supply, Driver circuit for back-light and so on.
* IF is the abbreviated word for Interface.
* V-RAM (VRAM): Video Random Access Memory.
* TFT: Thin Film Transistor color liquid crystal display
Control
CORE of CPU (131MHz)
Touch Panel
A/D
Panel IF
Instruction/
Data Cashe Mem.
OSB PLL OSB
Fast IrDA
IrDA Module
Microphone
Audio IF D/A Mic Amp./ Filter/ AGC
Power Control/
Voltage Detection
General Purpose
IF(Interface)
Bus Control Unit
Rechargeable
Battery pack
Charge Control
Key
LED IF
(IC3) :BGA (Ball Grid Array)
VR4121
*CPU/ Gate Arrays/ D-RAMs
are not replaced because of BGA.
Red
LED
Green LED
(for Charge Disp.)
(for Alarm Disp.)
SPEAKER
(Earphone)
[STEREO]
D/A Converter AMP
33.869MHz
nickname for this Gate Array,
and controls LCD Module and
V-RAM forsave of Image & audio
data.
(Dynamic RAM)
(MROM1~2)
(DRAM1~2)
D-RAMX2
D-RAMX4
(DRAM1~4)
button
Compact Flash
Interface
* CAMERA assembled
CCD & Camera Card etc.
may be marketed in future.
At present, there is not
English Driver software for
this CAMERA.
V-RAM (VRAM1) RS-232C Cable
PC/Telephone
for LCD Driver