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PDF MMS6508-1 Data sheet ( Hoja de datos )
| Número de pieza | MMS6508-1 | |
| Descripción | MICROMODULE BOARD | |
| Fabricantes | Commodore | |
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, . " commodore
~ semiconductor group
~~@@
MMS
8508-1
MPS 6508
BASED
MICROMODULE
BOARD
MMS 6508-1 MICROMODULE BOARD
Description
The M MS 6508-1 is the first in a family of single board microcomputers, designed for easy system
development. The heart of this micromodule is the new 6508 microprocessor. It has as enhance-
ments, an on-chip eight-bit I/O port, 256 bytes of RAM, and a tri-state address bus.
The micromodule board has four sockets that allow the userto have from 8 to 16K bytes of program
memory. The sockets are designed to accept ROMs, as well as 2716 or 2532 EPROMS, using +5v
supply.
The micromodule board also features the new 6525 tri-port interface. This chip has three eight-bit
I/O ports that are bit programmable as twenty-four I/O lines, or sixteen I/O lines, five priority interrupts
and two handshake lines.
Block Diagram
256x8
RAM
6508
CPU
16Kx8
ROM/EPROM
IKx8
RAM 2114
TRI-PORT
INTERFACE
(6525)
Features
• Use +5v/2A power supply
• 1 M Hz Operation
• 32 I/O lines or 24 I/O lines and
5 prioritized interrupts
• 16K ROM/EPROM Area
• 1K External RAM
• 256 bytes RAM on 6508
Edge Connector
Pin Assignment
1
2 P64 } 6508
3 P2 Port
4 PO
5 01 In
6 Reset
7 GND
8 GND
9 +5v
10 +5v
11 PC7
12 PC6
13 PC5
14 PC4
15 PC3
16 PB4 6525
17 PC2 Port
18 PB5
19 PC1
20 PB6
21 PCO
22 PB7
Pin Assignment
A P7
B P5 } 6508
C P3 Port
0 P1
E IRO
F 02 In
H GND
J GND
K +5v
L +5v
M PAO
N PA1
P PA2
R PA3
S PM
T PA5 6525
U PA6 Port
V PA7
W PBO
X PB1
Y PB2
Z PB3
2-154
1 page | ||
| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet MMS6508-1.PDF ] | |
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