| Model Number |
| STM32F439IIT6 |
ST72F521AR6T6 |
| Model Name |
| STMicroelectronics STM32F439IIT6 |
STMicroelectronics ST72F521AR6T6 |
| Category |
| Microcontroller Units (MCUs/MPUs/SOCs) |
Microcontroller Units (MCUs/MPUs/SOCs) |
| Brand |
| STMicroelectronics |
STMicroelectronics |
| Description |
| 2MB 1.8V~3.6V ARM-M4 256KB 180MHz FLASH 140 LQFP-176(24x24) Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
3.8V~5.5V 8MHz 48 LQFP-64 Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
| RoHS |
| Lead free / RoHS Compliant |
Lead free / RoHS Compliant |
| Unit |
| Piece |
Piece |
| Weight: |
| 1.900 grams / 0.067021 oz |
1.094 grams / 0.03859 oz |
| Package / Case |
| LQFP-176(24x24) |
LQFP-64 |
| Package / Arrange |
| Tray |
Tray |
| Battery |
| No |
No |
| ECCN |
| 5A992C |
EAR99 |
| Infrared Data Association |
| Yes |
N/A |
| Low-Voltage Detect |
| Yes |
N/A |
| CCP Capture/Compare |
| - |
N/A |
| LCD Module |
| Yes |
N/A |
| Program Storage Size |
| 2MB |
N/A |
| Internal Comparator |
| - |
N/A |
| communication protocol |
| - |
N/A |
| Operating Voltage Range |
| 1.8V~3.6V |
3.8V~5.5V |
| Operating Temperature Range |
| -40℃~+85℃ |
-40℃~+85℃ |
| Watchdog |
| Yes |
N/A |
| CPU Core |
| ARM-M4 |
- |
| Peripheral/Function |
| DMA;LCD/LED Driver |
N/A |
| Real-Time Clock |
| - |
N/A |
| Secure Digital Input and Output |
| - |
- |
| Universal Serial Bus |
| Yes |
- |
| Direct Memory Access |
| Yes |
Yes |
| RAM Size |
| 256KB |
N/A |
| PWM (Bit) |
| - |
N/A |
| CPU Maximum Speed |
| 180MHz |
8MHz |
| Internal Oscillator |
| Yes |
N/A |
| DAC (Bit) |
| 12bit |
N/A |
| Program Memory Type |
| FLASH |
N/A |
| ADC (Bit) |
| 12bit |
10bit |
| GPIO Ports Number |
| 140 |
48 |
