| Model Number |
| STM32L452CEU3 |
STM32F439IIT6 |
| Model Name |
| STMicroelectronics STM32L452CEU3 |
STMicroelectronics STM32F439IIT6 |
| Category |
| Microcontroller Units (MCUs/MPUs/SOCs) |
Microcontroller Units (MCUs/MPUs/SOCs) |
| Brand |
| STMicroelectronics |
STMicroelectronics |
| Description |
| 512KB 1.71V~3.6V ARM-M4 80MHz 38 UFQFPN-48(7x7) Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
2MB 1.8V~3.6V ARM-M4 256KB 180MHz FLASH 140 LQFP-176(24x24) Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
| RoHS |
| Lead free / RoHS Compliant |
Lead free / RoHS Compliant |
| Unit |
| Piece |
Piece |
| Weight: |
| 0.110 grams / 0.00388 oz |
1.900 grams / 0.067021 oz |
| Package / Case |
| UFQFPN-48(7x7) |
LQFP-176(24x24) |
| Package / Arrange |
| Tray |
Tray |
| Battery |
| No |
No |
| ECCN |
| 3A991A2 |
5A992C |
| Infrared Data Association |
| Yes |
Yes |
| Program Storage Size |
| 512KB |
2MB |
| Operating Temperature Range |
| -40℃~+125℃ |
-40℃~+85℃ |
| Operating Voltage Range |
| 1.71V~3.6V |
1.8V~3.6V |
| CPU Core |
| ARM-M4 |
ARM-M4 |
| Watchdog |
| Yes |
Yes |
| Internal Oscillator |
| Yes |
Yes |
| CPU Maximum Speed |
| 80MHz |
180MHz |
| Direct Memory Access |
| Yes |
Yes |
| Universal Serial Bus |
| Yes |
Yes |
| DAC (Bit) |
| 12bit |
12bit |
| ADC (Bit) |
| 12bit |
12bit |
| GPIO Ports Number |
| 38 |
140 |
