| Model Number |
| C8051F521A-IM |
EFM8UB30F40G-A-QFN20 |
| Model Name |
| SKYWORKS/SILICON LABS C8051F521A-IM |
SKYWORKS/SILICON LABS EFM8UB30F40G-A-QFN20 |
| Category |
| Microcontroller Units (MCUs/MPUs/SOCs) |
Microcontroller Units (MCUs/MPUs/SOCs) |
| Brand |
| SKYWORKS/SILICON LABS |
SKYWORKS/SILICON LABS |
| Description |
| 8KB 1.8V~5.25V 51Series 25MHz 6 DFN-10-EP(3x3) Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
40KB 1.71V~5.5V 51Series 48MHz FLASH 13 QFN-20-EP(3x3) Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
| RoHS |
| Lead free / RoHS Compliant |
Lead free / RoHS Compliant |
| Unit |
| Piece |
Piece |
| Weight: |
| 0.001 grams / 0.000035 oz |
0.001 grams / 0.000035 oz |
| Package / Case |
| DFN-10-EP(3x3) |
QFN-20-EP(3x3) |
| Package / Arrange |
| Tube-packed |
Tube-packed |
| Battery |
| No |
No |
| ECCN |
| EAR99 |
3A991A2 |
| Low-Voltage Detect |
| Yes |
- |
| Program Storage Size |
| 8KB |
40KB |
| Operating Voltage Range |
| 1.8V~5.25V |
1.71V~5.5V |
| Operating Temperature Range |
| -40℃~+125℃ |
-40℃~+85℃ |
| 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 |
48MHz |
| ADC (Bit) |
| 12bit |
12bit |
| GPIO Ports Number |
| 6 |
13 |
