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3. Mac operation
3-1. Reset key
In power off:
Reset flag and NMI is going to be on.
Initialization of
Hardware.
In Power on:
Compulsion electric power
supply off This switch is covered
by filler.
3-2. Boot switch
4--2-1. Init key
Electric power supply ON is done with compulsion menu boot from OFF status.
Even electric power supply ON status does compulsion menu boot.
In reset operation, invalid.
4-2-2. PW key
It boots with hardware suppress.
3-3. The other switch
4-3-1. Battery lid switch
When battery cover is opened, power supply is off.
3-4. The detection of battery consumption
Power supply
Main Battery
Sub Battery
Back-up Voltage
Note: In LB°1 status, there is the possibility that memory and resistor could be destroyed.
4. Main components
CPU
HD6437020U01X 32 bit RISC CPU
ROM
E28F200BL-B150
MB838200BLPF TN-12A (Mask ROM)
RAM
HM65W8512L
Gate array
SLA912SF3S
LCD
FSTN semi-transparent LCD
Scanner
VLM-1600
External Interface
Infrared ray:
14-3 pin cable:
14-14 pin cable:
14-9 pin cable:
Level
Replacement battery voltage
Operating limits voltage
Replacement battery voltage
Back-up limits voltage
PS-RAM 512kb/1mMb
Semiconductor laser
DT-760 I/O
FP-120, FA-50
DT-700
DT-9000
Description Voltage Handling of Hardware
LB1
2.1 V
LB0
1.6 V
LB2
2.6 V
LB-1
2.0 V
(Flash ROM)
96 X 48 dots
Page 5
IRQ6 (INT3)
NMI
IRQ6 (INT3)
Flag reset, RTC
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