| Model Number |
| EFM8BB31F64G-C-QFN32 |
EFM32ZG222F8-B-QFP48R |
| Model Name |
| SKYWORKS/SILICON LABS EFM8BB31F64G-C-QFN32 |
SKYWORKS/SILICON LABS EFM32ZG222F8-B-QFP48R |
| 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 4.25KB 50MHz FLASH 29 QFN-32-EP(4x4) Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
1.98V~3.8V 24MHz 37 TQFP-48(7x7) 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-32-EP(4x4) |
TQFP-48(7x7) |
| Package / Arrange |
| Tray |
Tape & Reel (TR) |
| Battery |
| No |
No |
| ECCN |
| 3A991a2 |
5A992C |
| Infrared Data Association |
| - |
N/A |
| Low-Voltage Detect |
| - |
N/A |
| CCP Capture/Compare |
| - |
N/A |
| Program Storage Size |
| 64KB |
N/A |
| Internal Comparator |
| - |
N/A |
| communication protocol |
| - |
N/A |
| Operating Voltage Range |
| 2.2V~3.6V |
1.98V~3.8V |
| Operating Temperature Range |
| -40℃~+85℃ |
-40℃~+85℃ |
| Watchdog |
| - |
N/A |
| CPU Core |
| 51Series |
- |
| Peripheral/Function |
| PWM;WDT |
N/A |
| Real-Time Clock |
| - |
N/A |
| Secure Digital Input and Output |
| - |
Yes |
| Universal Serial Bus |
| - |
- |
| Direct Memory Access |
| - |
Yes |
| RAM Size |
| 4.25KB |
N/A |
| PWM (Bit) |
| - |
N/A |
| Internal Oscillator |
| Yes |
N/A |
| CPU Maximum Speed |
| 50MHz |
24MHz |
| DAC (Bit) |
| 12bit |
12bit |
| Program Memory Type |
| FLASH |
N/A |
| ADC (Bit) |
| - |
12bit |
| GPIO Ports Number |
| 29 |
37 |
