Read Sharp XE-A113 (serv.man3) Service Manual online
XE-A113 (V)
HARDWARE DESCRIPTION
– 6 –
CHAPTER 4. HARDWARE DESCRIPTION
1. HARDWARE BLOCK DIAGRAM
<Main parts>
2. MEMORY MAP
1MByte mode/The CS area PM13
=
1 is selected.
CPU
: M30624MGP-357FP (Renesus)
ROM 256KByte (MASK) RAM 20KByte
External RAM
: 1Mbit (128K
×
8)
CYPRESS CS18LV10245CCR70
Printer
: MT53II (EPSON)
RESET IC
BUZZER
12MHz
32.768kHz
DRY Battery
POWER
5.8V
5.0V
3.3V
7.9V
23.8V
DRAWER
MOTOR
PRINTER
MT53II
Driver/Sensor
KEY RETURN
KEY SCAN
KEY
SWITCH
Decoder
74HC138
×
2
4 to 16
LED
Front 10
Front 10
PopUp 7
DIG
Driver
SEG
Driver
74H374
S-RAM
128KByte
CPU
Renesus
M30624MGP-
357FP
357FP
ROM 256KByte
RAM 20KByte
RAM 20KByte
CPU internal RAM
: 20KByte 00400h-053FFh
External RAM
: 128KByte 08000h-27000h
(Area that can be used 124KByte)
00000h
00400h
053FFh
CPU internal RAM
20KByte 00400h-053FFh
05400h
08000h
External RAM
128KByte
27000h
28000h
30000h
Segment Latch Address
80000h
B0000h
FFFFFh
CPU internal MASK ROM
320KByte B0000h-FFFFFh
/CS0
/CS2
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