| Model Number |
| STM32F051R4T6 |
STM32L021D4P7 |
| Model Name |
| STMicroelectronics STM32F051R4T6 |
STMicroelectronics STM32L021D4P7 |
| Category |
| Microcontroller Units (MCUs/MPUs/SOCs) |
Microcontroller Units (MCUs/MPUs/SOCs) |
| Brand |
| STMicroelectronics |
STMicroelectronics |
| Description |
| 16KB 2V~3.6V ARM-M0 8KB 48MHz FLASH 55 LQFP-64(10x10) Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
16KB 1.65V~3.6V ARM-M0 2KB 32MHz FLASH 11 TSSOP-14 Microcontroller Units (MCUs/MPUs/SOCs) ROHS |
| RoHS |
| Lead free / RoHS Compliant |
Lead free / RoHS Compliant |
| Unit |
| Piece |
Piece |
| Weight: |
| 0.001 grams / 0.000035 oz |
0.183 grams / 0.006455 oz |
| Package / Case |
| LQFP-64(10x10) |
TSSOP-14 |
| Package / Arrange |
| Tray |
Tube-packed |
| Battery |
| No |
No |
| ECCN |
| 3A991A2 |
5A992C |
| Infrared Data Association |
| Yes |
- |
| Low-Voltage Detect |
| Yes |
- |
| CCP Capture/Compare |
| - |
- |
| Program Storage Size |
| 16KB |
16KB |
| Internal Comparator |
| - |
- |
| communication protocol |
| - |
- |
| Operating Voltage Range |
| 2V~3.6V |
1.65V~3.6V |
| Operating Temperature Range |
| -40℃~+85℃ |
-40℃~+105℃ |
| Watchdog |
| Yes |
- |
| CPU Core |
| ARM-M0 |
ARM-M0 |
| Peripheral/Function |
| DMA;WDT |
PWM |
| Real-Time Clock |
| - |
- |
| Secure Digital Input and Output |
| - |
- |
| Universal Serial Bus |
| - |
- |
| Direct Memory Access |
| Yes |
- |
| RAM Size |
| 8KB |
2KB |
| PWM (Bit) |
| - |
- |
| Internal Oscillator |
| Yes |
Yes |
| CPU Maximum Speed |
| 48MHz |
32MHz |
| DAC (Bit) |
| 12bit |
- |
| Program Memory Type |
| FLASH |
FLASH |
| ADC (Bit) |
| 12bit |
12bit |
| GPIO Ports Number |
| 55 |
11 |
