| Model Number |
| EFM8BB31F64I-C-5QFN32 |
C8051F580-IQ |
| Model Name |
| SKYWORKS/SILICON LABS EFM8BB31F64I-C-5QFN32 |
SKYWORKS/SILICON LABS C8051F580-IQ |
| Category |
| Microcontroller Units (MCUs/MPUs/SOCs) |
Microcontroller Units (MCUs/MPUs/SOCs) |
| Brand |
| SKYWORKS/SILICON LABS |
SKYWORKS/SILICON LABS |
| Description |
| 64KB 2.2V~3.6V 51Series 50MHz FLASH 29 QFN-32-EP(4x4) Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
128KB 1.8V~5.25V 51Series 50MHz 40 TQFP-48(7x7) 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 |
0.080 grams / 0.002822 oz |
| Package / Case |
| QFN-32-EP(4x4) |
TQFP-48(7x7) |
| Package / Arrange |
| Tube-packed |
Tray |
| Battery |
| No |
No |
| ECCN |
| 3A991A2 |
3A991A2 |
| Infrared Data Association |
| - |
N/A |
| Low-Voltage Detect |
| - |
Yes |
| CCP Capture/Compare |
| - |
N/A |
| Program Storage Size |
| 64KB |
128KB |
| Internal Comparator |
| - |
N/A |
| communication protocol |
| - |
N/A |
| Operating Temperature Range |
| -40℃~+125℃ |
-40℃~+125℃ |
| Operating Voltage Range |
| 2.2V~3.6V |
1.8V~5.25V |
| Watchdog |
| - |
Yes |
| CPU Core |
| 51Series |
51Series |
| Peripheral/Function |
| PWM;WDT |
Temperature transducer |
| Real-Time Clock |
| - |
N/A |
| Secure Digital Input and Output |
| - |
- |
| Universal Serial Bus |
| - |
- |
| Direct Memory Access |
| - |
N/A |
| PWM (Bit) |
| - |
N/A |
| Internal Oscillator |
| Yes |
Yes |
| CPU Maximum Speed |
| 50MHz |
50MHz |
| DAC (Bit) |
| 12bit |
N/A |
| Program Memory Type |
| FLASH |
N/A |
| ADC (Bit) |
| - |
12bit |
| GPIO Ports Number |
| 29 |
40 |
