| 欧州RoHS | Compliant |
| ECCN (US) | 3A991a.2. |
| Part Status | Active |
| HTS | 8542.31.00.25 |
| Automotive | No |
| PPAP | No |
| Family Name | STM32L |
| Instruction Set Architecture | RISC |
| Device Core | ARM Cortex M3 |
| Core Architecture | ARM |
| Maximum CPU Frequency (MHz) | 32 |
| Maximum Clock Rate (MHz) | 32 |
| Data Bus Width (bit) | 32 |
| Program Memory Type | Flash |
| Program Memory Size | 256KB |
| RAM Size | 32KB |
| Programmability | Yes |
| Interface Type | I2C/I2S/SPI/USART/USB |
| Number of I/Os | 51 |
| No. of Timers | 9 |
| Number of ADCs | 1 |
| ADC Channels | 21 |
| ADC Resolution (bit) | 12 |
| Number of DACs | 2 |
| DAC Channels | 2/2 |
| DAC Resolution (bit) | 12/12 |
| LCD Segments | 128|224 |
| USART | 3 |
| UART | 0 |
| USB | 1 |
| SPI | 3 |
| I2C | 2 |
| I2S | 2 |
| CAN | 0 |
| Ethernet | 0 |
| Watchdog | 2 |
| Analog Comparators | 2 |
| Parallel Master Port | No |
| Real Time Clock | Yes |
| Special Features | LCD Controller |
| Minimum Operating Supply Voltage (V) | 1.8 |
| Typical Operating Supply Voltage (V) | 2.5|3.3 |
| Maximum Operating Supply Voltage (V) | 3.6 |
| Maximum Power Dissipation (mW) | 435 |
| Minimum Operating Temperature (°C) | -40 |
| Maximum Operating Temperature (°C) | 85 |
| Supplier Temperature Grade | Industrial |
| Packaging | Tape and Reel |
| Mounting | Surface Mount |
| Package Height | 1.4 |
| Package Width | 10 |
| Package Length | 10 |
| PCB changed | 64 |
| Standard Package Name | QFP |
| Supplier Package | LQFP |
| Pin Count | 64 |
| Lead Shape | Gull-wing |
