| Model Number |
| SIM3U157-B-GM |
EFM8UB20F64G-B-QFP32 |
| Model Name |
| SKYWORKS/SILICON LABS SIM3U157-B-GM |
SKYWORKS/SILICON LABS EFM8UB20F64G-B-QFP32 |
| Category |
| Microcontroller Units (MCUs/MPUs/SOCs) |
Microcontroller Units (MCUs/MPUs/SOCs) |
| Brand |
| SKYWORKS/SILICON LABS |
SKYWORKS/SILICON LABS |
| Description |
| 1.8V~3.6V ARM-M3 80MHz 65 LGA-92(7x7) Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
64KB 2.65V~3.6V 51Series 48MHz FLASH 25 QFP-32(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 |
0.190 grams / 0.006702 oz |
| Package / Case |
| LGA-92(7x7) |
QFP-32(7x7) |
| Package / Arrange |
| Tray |
Tray |
| Battery |
| No |
No |
| ECCN |
| 5A992C |
3A991A2 |
| Operating Temperature Range |
| -40℃~+85℃ |
-40℃~+85℃ |
| Operating Voltage Range |
| 1.8V~3.6V |
2.65V~3.6V |
| CPU Core |
| ARM-M3 |
51Series |
| Secure Digital Input and Output |
| Yes |
- |
| CPU Maximum Speed |
| 80MHz |
48MHz |
| Direct Memory Access |
| Yes |
- |
| Universal Serial Bus |
| Yes |
Yes |
| DAC (Bit) |
| 10bit |
- |
| ADC (Bit) |
| 12bit |
10bit |
| GPIO Ports Number |
| 65 |
25 |
