Casio CASSIOPEIA A-20 Service Manual & Parts List page 26

Device
Touch Panel A/D
Audio D/A
Audio A/D
Speaker
PCMCIA
IrDA / RS232C
(alternative)
3-pin Serial Port
Dead Man's Switch
Notification LED
Notification Button
LCD Contrast
Keyboard
ACL
Reset Mechanism
Battery Cover Detector Detects both open and closed.
Battery Detector
Voltage Detector
Battery
Power Supply
10 bit analog to digital converter in System LSI.
10 bit digital to analog converter in System LSI.
8/11.025/22.05 kHz sampling.
10 bit analog to digital converter in System LSI.
8/11.025/22.05 kHz sampling.
20 mm dynamic type.
One slot for PCMCIA Type I/II card.
Compliance with PCMCIA ver.2.1.
Serial I/F with 16 byte FIFO in CPU.
115.2 kbaud.
IrDA 0 - 1 m.
9-pin RS232C ±12 V I/F.
CASIO proprietary serial interface to Casio's digital cameras and electric orga-
nizerand so on.
Up to 38.4 kbaud.
0 to +5 V I/F.
'Manual Reset' occurs each 15 seconds when the CPU does't reset the counter.
LED Controller in System LSI.
Independent switch.
LCD Contrast is able to be handled by the software using electric volume and
LCD panel driver function.
56 keys and independent 'Ctrl','Alt','Right Shift','Caps Shift','Alt-Graph','Fn
(means Function: CASIO original)'and "Windows".
'ON' key is an independent key.
Automatic hard reset for first time. "Power ON Reset" occurs in case of ACL.
'Manual Reset' occurs when user pushes 'Reset Switch'.
'Power ON Reset' occurs when user push 'Reset Switch' with pressing 'Notifi-
cation Switch'.
Detects Alkaline or NiMH.
5 levels with Alkaline / NiMH and 1 level with backup battery.
Alkaline AA × 2.
NiMH.
AC adapter.
3.3 V for most hardware logic.
5 V for PCMCIA and 3-pin serial interface.
24 V for LCD panel driver.
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Features