Sharp MZ-700 manual Cpu, 4KB RAM Video, Rcb, Ctc, Crtc ROM, 2KB Sram, Counter Reset

~\~Z~ 700

1.SPECIFICATION

1-1.MZ-700
CPU	Sharp LH0080A (Z-80A)
Oock(ct»	3.5MHz
Memory	4KB ROM (monitor)
	4KB ROM (character generator)
	64KB RAM (program area)
	4KB RAM (VIDEO)
Video output	System: PAL
	Type: RGB composite video (con-
	vertible to B/W)
	RCB	+ Syncronization (non
	composite)
	RF (UHF 36 ± 3ch, conver-
	tible to B/W)
Screen structure	40 character x 25 lines (1000 chara-
	cters)
	8 x 8 dot matrix (per character)
Color designation	Character:	8 colours (per character)
	Background: 8 colours (per character)
Music function	Internally provided		(audio	output,
	55OmVmax.)
Timepiece
function	Internally provided (24 hours clock,
	without data retention)
Keyboard	ASCII compatible 69 keys
	Defmable keys, cursor control keys, etc.
Editing functions	Screen editor (cursor control, home,
	clear, insert, delete)
Power
requirements	220/240V ± 10V, SO/60Hz
Temperature	Operating temperature: 0 to 35°C
	Storage temperature: -20 to 70°C
Humidity	Operating humidity:		85%RH or
			below
Weight	3.6Kg (body only)
Physical
dimensions	440 (W) x 305 (D) x 86 (H)
1-2. CPU board specification
CPU	LH0080A (Z80A)				I
PlO	8255				I
CTC	8253				I
Memory controller M60719					I
(CRTC)
ROM	4KB monitor ROM				I
	4KB character generator ROM ... I
RAM	64K bits DRAM				8
	2KB SRAM				2
I/O bus	Expansion I/O bus				I
	Printer I/O bus				2
	(Only one can be used, selectable by
	switching)
	External cassette read/write			terminals

1-3. Micro-colour graphics printer specification (option) Printing method Ball point pen recording, four colours

rotary selection type.

Kind of colours I =black, 2 =blue, 3 =green, 4= red

Printing speed 10 characters/sec, average (Printing the

smallest characters.)

Printing capacity 80 digits, 40 digits, 26 digits, soft- ware designated

Character set 115 characters (ASCII characters and others)

Resolution 0.2mm

1-4. Cassette recorder specification (option)

Type	IEC compatible cassette mechanism
Record/playback
method	Dual tracks, single channel, monopho-
	nic
Rated speed	4.8cm/±3.5%
Operation control
method	Piano key method

Control buttons PLAY, FF, REW, STOP/EJECT, REC,

	COUNTER RESET
Data transfer .
system	Sharp, PWM method
Baud rate	1200bps (nominal)
Tape used	Philips standard tape, (not C120)

1-5.Power supply specification

(Including colour graphics printer and cassette tape power source)

Input: 220/24OV ± 10V, 60/50Hz, 20W

Output: 5V