| Model | UP1 (EPF10K20) | UP2 (EPF10K70) | Nios (EP20K200E) | XSA-100 + XStend | Digilab 2 + Digilab I/O 2 |
|---|---|---|---|---|---|
| Manufacturer | Altera | Altera | Altera | XESS | Digilent |
| FPGA | FLEX 10K20 | FLEX 10K70 | APEX 20KE | SPARTAN XC2S100 | SPARTAN XC2S200 |
| FPGA Manufacturer | Altera | Altera | Altera | Xilinx | Xilinx |
| FPGA Package | RQFP | RQFP | FL-BGA | QFP | PQ208 |
| FPGA Logic Gates | 20,000 | 70,000 | 200,000 | 100,000 | 200,000 |
| FPGA I/O (Total) Pins | 189 (240) | 189 (240) | 376 (484) | 92 (144) | 140 (208) |
| FPGA Memory Bits | 12,288 | 18,432 | 106,496 | 38,400 + 40K | 75,264 + 56K |
| Other Devices | MAX 7000 | MAX 7000 | none | XC9572XL | XC95108 |
| Clock Oscillator | 25.175 MHz | 25.175 MHz | 33.333 MHz | 100 MHz | 50 MHz |
| External (on-board)
Memory |
none | none | 1M flash 256k SRAM SODIMM socket (PC100) |
256k Flash 16M SDRAM 64K SRAM (optional) |
Xilinx SPROM Socket |
| 7-Segment LEDs | 4 | 4 | 2 | 3 | 4 |
| Free LEDs | 16 | 16 | 2 | 8 (bargraph) | 17 |
| Switches | 24 | 24 | 8 | 12 | 8 |
| Push Buttons | 4 | 4 | 4 | 3 | 16 |
| Ports/Connections | VGA, PS/2 | VGA, PS/2 | RS-232 | 2 VGA, 2 PS/2, Parallel, Stereo (Audio) In/Out |
VGA, PS/2, RS-232, Parallel |
| Other I/O & Features (all are windows programmable) |
Solaris Programmable | Solaris Programmable | LCD display Solaris Programmable Linux Programmable |
Stereo Audio Codec Wire-Wrap Prototyping Area (Not for EE552 use) Linux Programmable |
LCD display |
| Vendor Supplied
Microprocessor Core? |
No | No | Yes | Yes | Yes |