| Model Number |
| AT80C51RD2-3CSUM |
ATSAM4LS4BA-UUR |
| Model Name |
| Microchip Tech AT80C51RD2-3CSUM |
Microchip Tech ATSAM4LS4BA-UUR |
| Category |
| Microcontroller Units (MCUs/MPUs/SOCs) |
Microcontroller Units (MCUs/MPUs/SOCs) |
| Brand |
| Microchip Tech |
Microchip Tech |
| Description |
| 2.7V~5.5V 51Series 1KB 40MHz 32 DIP-40 Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
1.68V~3.6V ARM-M4 48MHz 48 WLCSP-64(4.3x4.4) Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
| RoHS |
| Lead free / RoHS Compliant |
Lead free / RoHS Compliant |
| Unit |
| Piece |
Piece |
| Weight: |
| 12.440 grams / 0.438809 oz |
1.000 grams / 0.035274 oz |
| Package / Case |
| DIP-40 |
WLCSP-64(4.3x4.4) |
| Package / Arrange |
| Tube-packed |
Tape & Reel (TR) |
| Battery |
| No |
No |
| ECCN |
| 3A991A2 |
5A992C |
| Infrared Data Association |
| - |
N/A |
| Low-Voltage Detect |
| Yes |
N/A |
| CCP Capture/Compare |
| - |
N/A |
| Internal Comparator |
| - |
N/A |
| communication protocol |
| - |
N/A |
| Operating Temperature Range |
| -40℃~+85℃ |
-40℃~+85℃ |
| Operating Voltage Range |
| 2.7V~5.5V |
1.68V~3.6V |
| Watchdog |
| Yes |
N/A |
| Peripheral/Function |
| WDT |
N/A |
| CPU Core |
| 51Series |
ARM-M4 |
| Real-Time Clock |
| - |
N/A |
| Secure Digital Input and Output |
| - |
Yes |
| Universal Serial Bus |
| - |
Yes |
| Direct Memory Access |
| - |
Yes |
| RAM Size |
| 1KB |
N/A |
| PWM (Bit) |
| - |
N/A |
| Internal Oscillator |
| Yes |
N/A |
| CPU Maximum Speed |
| 40MHz |
48MHz |
| DAC (Bit) |
| - |
10bit |
| Program Memory Type |
| - |
N/A |
| ADC (Bit) |
| - |
12bit |
| GPIO Ports Number |
| 32 |
48 |
