| Model Number |
| EFM8BB31F64G-D-QFN32R |
EFM8LB12F64E-C-QSOP24R |
| Model Name |
| SKYWORKS/SILICON LABS EFM8BB31F64G-D-QFN32R |
SKYWORKS/SILICON LABS EFM8LB12F64E-C-QSOP24R |
| 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 29 QFN-32(4x4) Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
64KB 4.25KB FLASH 21 2.2V~3.6V 51Series 72MHz QSOP-24-150mil 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 |
| QFN-32(4x4) |
QSOP-24-150mil |
| Package / Arrange |
| Tape & Reel (TR) |
Tape & Reel (TR) |
| Battery |
| No |
No |
| ECCN |
| 3A991A2 |
3A991A2 |
| Low-Voltage Detect |
| Yes |
- |
| Program Storage Size |
| 64KB |
64KB |
| Operating Voltage Range |
| 2.2V~3.6V |
2.2V~3.6V |
| Operating Temperature Range |
| -40℃~+85℃ |
-40℃~+105℃ |
| CPU Core |
| 51Series |
51Series |
| Watchdog |
| Yes |
Yes |
| Internal Oscillator |
| Yes |
Yes |
| CPU Maximum Speed |
| 50MHz |
72MHz |
| DAC (Bit) |
| 12bit |
12bit |
| ADC (Bit) |
| 12bit |
14bit |
| GPIO Ports Number |
| 29 |
21 |
