Casio CE-T300 Service Manual

- 14 -
Memory map
6-7. Printer drive circuit
The receipt printer drive circuit is as follows:
00000h CPU internal memory
Mask ROM 128K
RAM 5K
0FFD0h External I/O Mapping 16bytes
0FFE0h
20000h
2CS RAM1 128 K bytes
CONVENTIONAL RAM
RAM2 Oprion RAM3 Oprion RAM4
128 K bytes 512 K bytes 512 K bytes
40000h Bank0 Bank1 Bank2 Bank3 Bank4 Bank5 Bank6 Bank7 Bank8 Bank9 Bank10 Bank11 Bank12 Bank13 Bank14 Bank15 Bank16 Bank17
4CS RAM
Mask ROM Banked area RAM2 and RAM4 are not used for CE-T300.
area (CG) 64 K bytes
1 M bytes
Flash2 Flash2 Flash memory pack 2 M bytes Accelerator Expansion Memory area
Flash pack 512K bytes 512 K bytes Board I/F
Expansion Mapped area
memory Bank0 Bank1 Bank0 Bank1 Bank2 Bank3 Bank4 Bank5 Bank6 Bank7 (Dual port RAM)
256 K bytes
80000h Flash 1
8CS (for Flash2 is not used for CE-T300.
Application
program area)
2 M bytes Bank area 16 M bit
384 K bytes
A0000h 8 M bit
4 M bit
512 K bytes Bank0 Bank1 Bank2 Bank3 Bank4
00,01 08,09 14,15 20,21 26,27 Block No.
(07,06) (0F,0E) (19,18) (17,16) (1F,1E) (Memory Block)
C0000h
CCS
02,03 10,11 16,17 22,23 28,29
(05,04) (0D,0C) (11,10) (15,14) (1D,1C)
E0000h 04,05 12,13 18,19 24,25 30,31
Common area (o3,02) (0B,0A) (09,08) (13,12) (1B,1A)
128 K bytes
Block
06,07
FFFFFh (00,01)

Casio CE-T300 Specifications

General

Brand	Casio
Model	CE-T300
Category	Cash Register
Language	English