| No | Description | LGS 51 | LGS 51A |
|---|
| 1. |
CPU |
8051 / 89 Cxxx |
8051 / 89 Cxxx |
| 2. |
Clock Freq. |
11.059 Mhz |
11.059 Mhz |
| 3. |
Monitor EPROM |
32K |
32K |
| 4. |
User RAM BB |
32K |
32K |
| 5. |
Scratch Pad RAM |
8K |
8K |
| 6. |
Display |
16 x 2 LCD Green or Blue |
20 x 4 LCD Green or Blue |
| 7. |
Keyboard |
101 + PC Type |
101 + PC Type |
| 8. |
PPI 8255 |
1 no. on b |
1 no. |
| 9. |
Additional PPI 8155 or |
Yes Optional |
Yes optional |
| 10. |
255 onboard |
Available |
Available |
| 11. |
PIT 8253 |
1 no. |
1 no. |
| 12. |
RS232C Communication for PC |
Yes |
Yes |
| 13. |
USB Port Onboard |
Yes |
Yes |
| 14. |
On board assembler Disassembler |
Yes |
Yes |
| 15. |
50 Pin STD BUS |
Yes |
Yes |
| 16. |
Power Supply |
5V/1.5A |
5V/2A |
| 17. |
RS232C Cable |
Yes |
Yes |
| 18. |
USB Cable |
Optional |
Optional |
| 19. |
Operational Manua Hard Copy & Soft Copy with assembler / Disassembler |
Yes |
Yes |
| 20. |
PIO Interfacing Card |
Check the list |
Check the list |
| 21. |
Peripheral IC study Cards through STD BUS |
Check the list |
Check the list |
