Atari 800 Field Service Manual

GROUND
VSS
CTIA
Data
ANJJ
CTIA
Data
AN
I
Light Pen
EP
CTIA
Data
AN2
Interrupt
Input
RNMl
Interrupt
Output
NMl
Refresh
REF
HALT
HATt
Address
Bus
A3
Address
Bus
A2
Address
Bus
Al
Address
Bus
AH
Read/Write
R/W
Ready
RDY
Address
Bus
AlO
Address
Bus
A12
Address
Bus
A13
Address
Bus
AH
Address
Bus
A15
*0
D*
Data
Bus
39
D5
Data Bus
38
D6
Data
Bus
37
07
Data
Bus
36
ft^
Reset
35
FPhJf
Fast
Phase
C
3*
Phtf Phase
Clock
33
D3
Data Bus
32
D2
Data Bus
31
Dl
Data
Bus
30
D^
Data
Bus
29
Ph2
Phase
2
Clock
23
A4
Address
Bus
27
A5
Address
Bus
26
A6
Address
Bus
25
A7
Address
Bus
2*
AS
Address
Bus
23
A9
Address
Bus
22
All
Address
Bus
21
VDD
5V
Power
Figure 1-^.
ANTIC Pin
Assignments
ATARI
Home
Computer
I
-9

Atari 800 Specifications

General

Processor	MOS Technology 6502
Processor Speed	1.79 MHz
ROM	10 KB
Graphics	ANTIC and GTIA chips
Release Year	1979
Display Resolution	up to 320 x 192
Colors	128 colors
Sound	4 channels
Storage	Cartridge, cassette, floppy disk
Ports	Cartridge, serial, monitor
Operating System	Atari OS