| Model Number |
| STM32F103RET7 |
STM32F446ZCH7 |
| Model Name |
| STMicroelectronics STM32F103RET7 |
STMicroelectronics STM32F446ZCH7 |
| Category |
| Microcontroller Units (MCUs/MPUs/SOCs) |
Microcontroller Units (MCUs/MPUs/SOCs) |
| Brand |
| STMicroelectronics |
STMicroelectronics |
| Description |
| 512KB 2V~3.6V ARM-M3 64KB 72MHz FLASH 51 LQFP-64(10x10) Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
256KB 1.7V~3.6V ARM-M4 128KB 180MHz FLASH 114 UFBGA-144 Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
| RoHS |
| Lead free / RoHS Compliant |
Lead free / RoHS Compliant |
| Unit |
| Piece |
Piece |
| Weight: |
| 3.037 grams / 0.107127 oz |
0.001 grams / 0.000035 oz |
| Package / Case |
| LQFP-64(10x10) |
UFBGA-144 |
| Package / Arrange |
| Tray |
Tray |
| Battery |
| No |
No |
| ECCN |
| 3A991A2 |
3A991A2 |
| Infrared Data Association |
| Yes |
Yes |
| Low-Voltage Detect |
| Yes |
Yes |
| CCP Capture/Compare |
| - |
- |
| Program Storage Size |
| 512KB |
256KB |
| Internal Comparator |
| - |
- |
| communication protocol |
| - |
- |
| Operating Temperature Range |
| -40℃~+105℃ |
-40℃~+105℃ |
| Operating Voltage Range |
| 2V~3.6V |
1.7V~3.6V |
| Watchdog |
| Yes |
Yes |
| Peripheral/Function |
| DMA;PWM;Temperature transducer |
Low-VoltageDetect;PWM |
| CPU Core |
| ARM-M3 |
ARM-M4 |
| Real-Time Clock |
| - |
- |
| Secure Digital Input and Output |
| - |
- |
| Universal Serial Bus |
| Yes |
Yes |
| Direct Memory Access |
| Yes |
Yes |
| RAM Size |
| 64KB |
128KB |
| PWM (Bit) |
| - |
- |
| Internal Oscillator |
| Yes |
Yes |
| CPU Maximum Speed |
| 72MHz |
180MHz |
| DAC (Bit) |
| 12bit |
12bit |
| Program Memory Type |
| FLASH |
FLASH |
| ADC (Bit) |
| 12bit |
12bit |
| GPIO Ports Number |
| 51 |
114 |
