| Model Number |
| EFM32LG940F256G-F-QFN64 |
EFM8SB20F32G-B-QFN24 |
| Model Name |
| SKYWORKS/SILICON LABS EFM32LG940F256G-F-QFN64 |
SKYWORKS/SILICON LABS EFM8SB20F32G-B-QFN24 |
| Category |
| Microcontroller Units (MCUs/MPUs/SOCs) |
Microcontroller Units (MCUs/MPUs/SOCs) |
| Brand |
| SKYWORKS/SILICON LABS |
SKYWORKS/SILICON LABS |
| Description |
| 256KB 1.85V~3.8V ARM-M3 48MHz 53 QFN-64(9x9) Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
32KB 1.8V~3.6V 51Series 4.25KB 25MHz FLASH 16 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 |
1.000 grams / 0.035274 oz |
| Package / Case |
| QFN-64(9x9) |
QFN-24-EP(4x4) |
| Package / Arrange |
| Tray |
Tube-packed |
| Battery |
| No |
No |
| ECCN |
| 5A992C |
3A991A2 |
| Infrared Data Association |
| Yes |
- |
| Low-Voltage Detect |
| Yes |
Yes |
| LCD Module |
| Yes |
N/A |
| Program Storage Size |
| 256KB |
32KB |
| Operating Temperature Range |
| -40℃~+85℃ |
-40℃~+85℃ |
| Operating Voltage Range |
| 1.85V~3.8V |
1.8V~3.6V |
| CPU Core |
| ARM-M3 |
51Series |
| Watchdog |
| Yes |
Yes |
| Direct Memory Access |
| Yes |
- |
| Universal Serial Bus |
| Yes |
- |
| Internal Oscillator |
| Yes |
Yes |
| CPU Maximum Speed |
| 48MHz |
25MHz |
| DAC (Bit) |
| 12bit |
- |
| ADC (Bit) |
| 12bit |
10bit |
| GPIO Ports Number |
| 53 |
16 |
