| Model Number |
| EFM8LB12F32E-C-QSOP24R |
EFM8UB31F40G-A-QFN24R |
| Model Name |
| SKYWORKS/SILICON LABS EFM8LB12F32E-C-QSOP24R |
SKYWORKS/SILICON LABS EFM8UB31F40G-A-QFN24R |
| Category |
| Microcontroller Units (MCUs/MPUs/SOCs) |
Microcontroller Units (MCUs/MPUs/SOCs) |
| Brand |
| SKYWORKS/SILICON LABS |
SKYWORKS/SILICON LABS |
| Description |
| 2.2V~3.6V 51Series 72MHz 21 SSOP-24-150mil Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
40KB 3.25KB FLASH 17 1.71V~5.5V 51Series 48MHz QFN-24-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 |
0.001 grams / 0.000035 oz |
| Package / Case |
| SSOP-24-150mil |
QFN-24-EP(4x4) |
| Package / Arrange |
| Tape & Reel (TR) |
Tape & Reel (TR) |
| Battery |
| No |
No |
| ECCN |
| 3A991A2 |
3A991A2 |
| Operating Temperature Range |
| -40℃~+105℃ |
-40℃~+85℃ |
| Operating Voltage Range |
| 2.2V~3.6V |
1.71V~5.5V |
| CPU Core |
| 51Series |
51Series |
| Secure Digital Input and Output |
| - |
- |
| CPU Maximum Speed |
| 72MHz |
48MHz |
| Direct Memory Access |
| Yes |
- |
| Universal Serial Bus |
| - |
- |
| DAC (Bit) |
| 12bit |
- |
| ADC (Bit) |
| 14bit |
12bit |
| GPIO Ports Number |
| 21 |
17 |
