| Model Number |
| EFM32GG11B520F2048GM64-B |
EFM8BB31F64A-C-5QFN32 |
| Model Name |
| SKYWORKS/SILICON LABS EFM32GG11B520F2048GM64-B |
SKYWORKS/SILICON LABS EFM8BB31F64A-C-5QFN32 |
| Category |
| Microcontroller Units (MCUs/MPUs/SOCs) |
Microcontroller Units (MCUs/MPUs/SOCs) |
| Brand |
| SKYWORKS/SILICON LABS |
SKYWORKS/SILICON LABS |
| Description |
| 2MB 1.8V~3.8V ARM-M4 72MHz 53 QFN-64-EP(9x9) Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
2.2V~3.6V 51Series 50MHz 29 QFN-32(5x5) 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 |
1.000 grams / 0.035274 oz |
| Package / Case |
| QFN-64-EP(9x9) |
QFN-32(5x5) |
| Package / Arrange |
| Tray |
Tube-packed |
| Battery |
| No |
No |
| ECCN |
| 5A992C |
3A991A2 |
| Infrared Data Association |
| Yes |
N/A |
| Low-Voltage Detect |
| Yes |
N/A |
| LCD Module |
| Yes |
N/A |
| Program Storage Size |
| 2MB |
N/A |
| Operating Voltage Range |
| 1.8V~3.8V |
2.2V~3.6V |
| Operating Temperature Range |
| -40℃~+85℃ |
-40℃~+125℃ |
| CPU Core |
| ARM-M4 |
51Series |
| Watchdog |
| Yes |
N/A |
| Direct Memory Access |
| Yes |
Yes |
| Internal Oscillator |
| Yes |
N/A |
| CPU Maximum Speed |
| 72MHz |
50MHz |
| DAC (Bit) |
| 12bit |
12bit |
| ADC (Bit) |
| 12bit |
12bit |
| GPIO Ports Number |
| 53 |
29 |
