| Model Number |
| AT80C51RA2-3CSUL |
AT91SAM7S64C-MU-999 |
| Model Name |
| Microchip Tech AT80C51RA2-3CSUL |
Microchip Tech AT91SAM7S64C-MU-999 |
| Category |
| Microcontroller Units (MCUs/MPUs/SOCs) |
Microcontroller Units (MCUs/MPUs/SOCs) |
| Brand |
| Microchip Tech |
Microchip Tech |
| Description |
| 2.7V~5.5V 51Series 32 PDIL-40 Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
64KB 1.65V~1.95V 55MHz 32 QFN-64-EP(9x9) Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
| RoHS |
| Lead free / RoHS Compliant |
Lead free / RoHS Compliant |
| Unit |
| Piece |
Piece |
| Weight: |
| 1.000 grams / 0.035274 oz |
0.278 grams / 0.009806 oz |
| Package / Case |
| PDIL-40 |
QFN-64-EP(9x9) |
| Package / Arrange |
| Tube-packed |
Tape & Reel (TR) |
| Battery |
| No |
No |
| ECCN |
| 3A991A2 |
3A991A2 |
| Low-Voltage Detect |
| Yes |
Yes |
| Operating Voltage Range |
| 2.7V~5.5V |
1.65V~1.95V |
| Operating Temperature Range |
| -40℃~+85℃ |
-40℃~+85℃ |
| CPU Core |
| 51Series |
- |
| Watchdog |
| Yes |
Yes |
| Internal Oscillator |
| Yes |
Yes |
| CPU Maximum Speed |
| 30MHz;20MHz |
55MHz |
| GPIO Ports Number |
| 32 |
32 |
