| Model Number |
| AT89C51RB2-3CSUM |
AT91SAM9R64-CU |
| Model Name |
| Microchip Tech AT89C51RB2-3CSUM |
Microchip Tech AT91SAM9R64-CU |
| Category |
| Microcontroller Units (MCUs/MPUs/SOCs) |
Microcontroller Units (MCUs/MPUs/SOCs) |
| Brand |
| Microchip Tech |
Microchip Tech |
| Description |
| 16KB 2.7V~5.5V 51Series 60MHz FLASH 32 PDIL-40 Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
32KB 1.65V~3.6V 240MHz 49 LFBGA-144 Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
| RoHS |
| Lead free / RoHS Compliant |
Lead free / RoHS Compliant |
| Unit |
| Piece |
Piece |
| Weight: |
| 10.310 grams / 0.363675 oz |
1.000 grams / 0.035274 oz |
| Package / Case |
| PDIL-40 |
LFBGA-144 |
| Package / Arrange |
| Tube-packed |
Tray |
| Battery |
| No |
No |
| ECCN |
| 3A991A2 |
3A991A2 |
| Infrared Data Association |
| - |
N/A |
| Low-Voltage Detect |
| Yes |
Yes |
| CCP Capture/Compare |
| - |
N/A |
| Program Storage Size |
| 16KB |
32KB |
| Internal Comparator |
| - |
N/A |
| communication protocol |
| - |
N/A |
| Operating Temperature Range |
| -40℃~+85℃ |
-40℃~+85℃ |
| Operating Voltage Range |
| 2.7V~5.5V |
1.65V~3.6V |
| Watchdog |
| Yes |
Yes |
| CPU Core |
| 51Series |
- |
| Peripheral/Function |
| PWM |
N/A |
| Real-Time Clock |
| - |
N/A |
| Secure Digital Input and Output |
| - |
N/A |
| Universal Serial Bus |
| - |
Yes |
| Direct Memory Access |
| - |
N/A |
| PWM (Bit) |
| - |
N/A |
| CPU Maximum Speed |
| 60MHz |
240MHz |
| Internal Oscillator |
| - |
Yes |
| DAC (Bit) |
| - |
N/A |
| Program Memory Type |
| FLASH |
N/A |
| ADC (Bit) |
| - |
10bit |
| GPIO Ports Number |
| 32 |
49 |
