Sharp MZ-5500 User Manual

-
MZ-5600
2-4 Memory map
+
16bit BUS
...
FFFFF
FCOOO
FOOOOH
E8000H
EOOOOH
D8000H
DodoOH
16bi BUS
C8000H
COOOOH
~~
®
~
®
®
AOOOOH
80000
H
®
40000 H
MA2
MAl
MAO
1
1
1
IPL ROM
(16KB)
Auxiliary ROM area
VRAM6 plane 2'
(32KB)
VRAM3 plane 2
(32KB)
VRAM6 plane l'
(32KB)
VRAM2 plane 1
(32KB)
VRAM4 plane 0'
(32KB)
VRAM1
plane 0
(32KB)
RESERVED
(128KB)
Auxiliary area
(for options)
Expansion
RAM area
(266KB)
,
~~
X
ACK
1
1
o
64KB
192KB
1
o
1
1
o
o
Divided into the 8086 display cycle.
o 0 0 0
1 100
1 010
Read and write attempt from 8086 Includes 1 to 7 Mits.
-------:------1- ----r --- -1-,-
128KB
I I : : Expansion
I I By Bank
I I I : Select
(128KB)
: (128KB) : (128KB) I (612KB) I i
_______ L ____ -' _____ ...1 _ ____ 1 __
I- ~
XACK
• XAcK ...... External Raady signal
1
XACK 128KB
1 ~-- - -- ----- ---------r--------o.~
------------
16bit BUS
20000
H
Standard RAM area
(266KB)
00000 H
512KB
Protc-
tion
RAM
612B
- -~ --- - --- - - -- --------1-----1
4 bit
-10-
Fig.6
,

Sharp MZ-5500 Specifications

General

Brand	Sharp
Model	MZ-5500
Category	Desktop
Language	English