| Model Number |
| EFM32WG942F128-B-QFP64 |
EFM8UB20F64G-B-QFN32 |
| Model Name |
| SKYWORKS/SILICON LABS EFM32WG942F128-B-QFP64 |
SKYWORKS/SILICON LABS EFM8UB20F64G-B-QFN32 |
| Category |
| Microcontroller Units (MCUs/MPUs/SOCs) |
Microcontroller Units (MCUs/MPUs/SOCs) |
| Brand |
| SKYWORKS/SILICON LABS |
SKYWORKS/SILICON LABS |
| Description |
| 128KB 1.98V~3.8V 48MHz 50 TQFP-64(10x10) Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
64KB 2.65V~3.6V 51Series 48MHz 25 QFN-32-EP(5x5) 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 |
0.130 grams / 0.004586 oz |
| Package / Case |
| TQFP-64(10x10) |
QFN-32-EP(5x5) |
| Package / Arrange |
| Tray |
Tube-packed |
| Battery |
| No |
No |
| ECCN |
| 5A992C |
3A991A2 |
| Infrared Data Association |
| Yes |
N/A |
| Low-Voltage Detect |
| Yes |
Yes |
| LCD Module |
| Yes |
N/A |
| Program Storage Size |
| 128KB |
64KB |
| Operating Voltage Range |
| 1.98V~3.8V |
2.65V~3.6V |
| Operating Temperature Range |
| -40℃~+85℃ |
-40℃~+85℃ |
| Watchdog |
| Yes |
Yes |
| CPU Core |
| - |
51Series |
| Direct Memory Access |
| Yes |
N/A |
| Universal Serial Bus |
| Yes |
Yes |
| Internal Oscillator |
| Yes |
Yes |
| CPU Maximum Speed |
| 48MHz |
48MHz |
| DAC (Bit) |
| 12bit |
N/A |
| ADC (Bit) |
| 12bit |
10bit |
| GPIO Ports Number |
| 50 |
25 |
