| Model Number |
| C8051F537A-IM |
EFM8LB12F64E-C-QFN32 |
| Model Name |
| SKYWORKS/SILICON LABS C8051F537A-IM |
SKYWORKS/SILICON LABS EFM8LB12F64E-C-QFN32 |
| Category |
| Microcontroller Units (MCUs/MPUs/SOCs) |
Microcontroller Units (MCUs/MPUs/SOCs) |
| Brand |
| SKYWORKS/SILICON LABS |
SKYWORKS/SILICON LABS |
| Description |
| 2KB 1.8V~5.25V 51Series 25MHz 16 QFN-20(4x4) Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
64KB 2.2V~3.6V 51Series 72MHz FLASH 29 QFN-32-EP(4x4) 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 |
0.025 grams / 0.000882 oz |
| Package / Case |
| QFN-20(4x4) |
QFN-32-EP(4x4) |
| Package / Arrange |
| Tube-packed |
Tube-packed |
| Battery |
| No |
No |
| ECCN |
| EAR99 |
3A991A2 |
| Low-Voltage Detect |
| Yes |
- |
| Program Storage Size |
| 2KB |
64KB |
| Operating Voltage Range |
| 1.8V~5.25V |
2.2V~3.6V |
| Operating Temperature Range |
| -40℃~+125℃ |
-40℃~+105℃ |
| Peripheral/Function |
| Temperature transducer |
PWM;WDT |
| CPU Core |
| 51Series |
51Series |
| Watchdog |
| Yes |
- |
| Secure Digital Input and Output |
| - |
- |
| Universal Serial Bus |
| - |
- |
| Internal Oscillator |
| Yes |
Yes |
| CPU Maximum Speed |
| 25MHz |
72MHz |
| ADC (Bit) |
| 12bit |
14bit |
| GPIO Ports Number |
| 16 |
29 |
