ALS-SDA-85MEL

CPU
8085 Operating @ 3.072 MHz
MEMORY
64KB MAX (32KB EPROM and 32KB RAM) Battery Backup option for RAM
NOTE
The system is supplied with 16KB EPROM and 8KB RAM
I/O PARALLEL
48 I/O lines using two 8255
I/O SERIAL
0ne RS232 compatible interface

TIMER
Three 16 bit counter /timer using 8253
KEYBOARD
Consisting of 28 numbers of computer grade keys
DISPLAY
Six numbers of seven segment displays
BUS SIGNALS
All Address, Data and Control signals are terminated in 50 pin berg stick for user expansion
PIC
Optional facility for 8259. All the 8 interrupts are terminated in berg stick
MONITOR SOFTWARE
16KB of powerful user friendly monitor software with keyboard and serial modes

 

 

CPU
8085 Operating @ 3.072 MHz
MEMORY
64KB MAX (32KB EPROM and 32KB RAM) Battery Backup option for RAM
NOTE
The system is supplied with 16KB EPROM and 8KB RAM
I/O PARALLEL
48 I/O lines using two  8255
I/O SERIAL
0ne RS232 compatible interface

TIMER
Three 16 bit counter / timer using 8253
KEYBOARD
External PC-AT compatible keyboard
DISPLAY
16 characters and 2 line LCD display
BUS SIGNALS
All Address, Data and Control signals are terminated in 50 pin berg stick for user expansion
PIC
Optional facility for 8259. All the 8 interrupts are terminated in berg stick
MONITOR SOFTWARE
16KB of system monitor, which allows the user to enter, verify, debug or execute the program either from the on-board PC keyboard and display or through serial mode. On-line assembler using PC keyboard and LCD display

 

 

 

CPU
 8085 Operating @ 3.072MHz
MEMORY
64KB MAX (32KB EPROM and 32KB RAM) Battery Backup option for RAM
NOTE
The system is supplied with 16KB EPROM and 8KB RAM
I/O PARALLEL
24 I/O lines using one 8255
I/O SERIAL
Optional 0ne RS232 compatible interface
TIMER
Three 16 bit counter /timer using 8253
KEYBOARD
Consisting of 28 numbers of computer grade keys
DISPLAY
Six numbers of seven segment displays
BUS SIGNALS
All Address, Data and Control signals are terminated in 50 pin berg stick for user expansion
MONITOR SOFTWARE
16KB of powerful user friendly monitor software with keyboard and serial modes

 

 

 

This model is same as ALS-SDA-85H but with built-in power supply
(5V, 1.5A ; +/- 12V )
CPU
8085 Operating @ 3.072MHz
MEMORY
64KB MAX (32KB EPROM and 32KB RAM) Battery Backup option for RAM
NOTE
The system is supplied with 16KB EPROM and 8KB RAM
I/O PARALLEL
24 I/O lines using one 8255
I/O SERIAL
Optional 0ne RS232 compatible interface
TIMER
Three 16 bit counter /timer using 8253
KEYBOARD
Consisting of 28 numbers of computer grade keys
DISPLAY
Six numbers of seven segment displays
BUS SIGNALS
All Address, Data and Control signals are terminated in 50 pin berg stick for user expansion
MONITOR SOFTWARE
16KB of powerful user friendly monitor software with keyboard and serial modes

 

 

 

CPU
8086 Operating @ 5MHz in MAX mode with provision for 8087 Co-processor
MEMORY
Maximum of 128KB on board EPROM. Maximum 64KB of on board RAM. Battery Backup option for RAM
I/O PARALLEL
48 I/O lines using two 8255
I/O SERIAL
0ne RS232 compatible interface
TIMER
Three 16 bit counter/timer using 8253
KEYBOARD
Consisting of 28 numbers of computer grade keys
DISPLAY
Eight numbers of seven segment displays
BUS SIGNALS
All Address, Data and Control signals are terminated in 50 pin berg stick for user expansion
PIC
Programmable Interrupt controller using 8259
MONITOR SOFTWARE
64KB of powerful user friendly monitor software with keyboard and serial modes

 

 

 

CPU
8086 Operating @ 5 MHz in MAX MODE with provision for 8087 co-processor
MEMORY
Maximum of 128 kb on board EPROM MAXIMUM OF 64 KB ON BOARD RAM. Battery Backup option for RAM
NOTE
The system is supplied with 64KB EPROM and 64 KB RAM
I/O PARALLEL
48 I/O lines using two 8255
I/O SERIAL
0ne RS232 compatible interface

TIMER
 Three 16 bit counter / timer using 8253
KEYBOARD
External PC-AT compatible keyboard.
DISPLAY
16 characters and 2 line LCD display
BUS SIGNALS
All Address, Data and Control signals are terminated in 50 pin berg stick for user expansion
PIC
PROGRAMMABLE INTERRUPT CONTROLLER USING 8259
MONITOR SOFTWARE
64KB of system monitor, which allows the user to enter, verify, debug or execute the program either from the on-board PC keyboard and display or through serial mode. On-line assembler using PC keyboard and LCD display

 

 

 

CPU
Z80 Operating @ 3.072 MHz
Memory
24 KB MAX (16 K KPROM & 8K RAM) Battery Backup option for RAM
NOTE
The system is supplied with 8K of Monitor EPROM & 8K of RAM
I/O PARALLEL
48 I/O lines using two 8255
I/O SERIAL
One RS232 compatible interface
TIMER
Three 16 bit counter / timer using 8253
INTERRUPT
NMI is used to provide keyboard non mask-able interrupt function. INT is available to user
KEYBOARD
Consisting of 28 numbers of computer grade keys
BUS SIGNALS
All address, data and control signals are terminated in 50 pin berg-stick for user expansion
MONITOR SOFTWARE
8K of user friendly monitor software with keyboard and serial modes

 

 

 
This is a convenient tool that allows a user to experiment with different CPU's. The peripherals like 8255, 8253, keyboard/LCD display, serial interface and peripheral interface connectors are grouped onto a base board and connects to different CPU modules through a bus interface connector. The CPU modules are designed as piggyback circuits which can be easily plugged in or removed.
ALS-SDA-UMT BASE BOARD
TIMER
Three 16 bit counter/timer using 8253
PIC
8259A provides interrupt vectors for 8 external sources-used with 8085/8086
KEYBOARD
Consists of 28 high reliable keys. The definition of the keys depends on the processor in use
DISPLAY
Alpha numeric LCD module. Single line 16 character display
PARALLEL
 I/O 48 I/O lines using two 8255's
SERIAL
 I/O One RS232C interface using 8251A
SDA UNI 8085 CPU BOARD
CPU
 8085 operating at 3.072 MHz
Memory EPROM
 16KB of monitor software, expandable upto 32KB
RAM
8KB RAM, expandable upto 32K bytes. Provision for battery back for RAM
BUS SIGNALS
 All address, data and control signals are terminated in a 50 pin berg stick header for user expansion
SDA UNI 8031/51 CPU board
CPU
 8031/51 operating at 11.0592 MHz
EPROM 1
 32K bytes memory with monitor software
EPROM 2
 Optional (32KB) can be used as program memory
RAM
 32K bytes of DATA memory. Provision for battery for RAM
BUS SIGNALS
 All address, data and control signals are terminated in a 50 pin berg stick header for user expansion
SDA UNI 8086 CPU BOARD
CPU
Intel 8086 operating at 5MHz in MAX mode; provision for onboard 8087 coprocessor
EPROM 1
 128K bytes memory using 27c512 with monitor software
RAM
 64K bytes of memory. Provision for battery back for RAM
BUS SIGNALS
All address, data and control signals are terminated in a 50 pin berg stick header for user expansion

 


HARDWARE

Monopulse generator
Input switches – 10 Nos
Output LED’s – 8 Nos
Low frequency clock – 1 No
Seven segment Display – 1 No
20 Pin ZIF socket – 1 No
Standard 2mm terminals for above
CD with sample programmes and assembler for logic equations

 

SOFTWARE

An assembler for PAL equations that provides Jed file output which can be programmed into a PAL using a PAL Programmer

Typical demo programs for Gates, Decoders, Encoders, Adder, Multiplexer,
De-multiplexer, Flip flop’s, Shift Register Counter, Seven Segment Display Interface