| PartNumber | STM32L100C6U6A | STM32L100C6U6 | STM32L100C6U6ATR |
| Description | ARM Microcontrollers - MCU Ultra-low-power 32-bit Value Line ARM Cortex-M3 MCU with 32 Kbytes Flash, 32 MHz CPU, LCD, USB | ARM Microcontrollers - MCU Value Line M3 ARM 32 Kbytes 32 MHz | ARM Microcontrollers - MCU Ultra-low-power 32-bit Value Line ARM Cortex-M3 MCU with 32 Kbytes Flash, 32 MHz CPU, LCD, USB |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | UFQFPN-48 | UFQFPN-48 | UFQFPN-48 |
| Series | STM32L100C6-A | STM32L100C6 | STM32L100C6-A |
| Core | ARM Cortex M3 | ARM Cortex M3 | ARM Cortex M3 |
| Maximum Clock Frequency | 32 MHz | 32 MHz | 32 MHz |
| Program Memory Size | 32 kB | 32 kB | 32 kB |
| Data RAM Size | 4 kB | 4 kB | 4 kB |
| ADC Resolution | 12 bit | 12 bit | 12 bit |
| Number of I/Os | 37 I/O | 37 I/O | 37 I/O |
| Operating Supply Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Data RAM Type | RAM | RAM | RAM |
| Data ROM Size | 2 kB | 2 kB | 2 kB |
| Data ROM Type | EEPROM | EEPROM | EEPROM |
| Interface Type | I2C, SPI, USART, USB | I2C, SPI, USART, USB | I2C, SPI, USART, USB |
| Analog Supply Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| DAC Resolution | 12 bit | 12 bit | 12 bit |
| I/O Voltage | 5.5 V | 5.5 V | 5.5 V |
| Moisture Sensitive | Yes | Yes | - |
| Number of ADC Channels | 14 Channel | 14 Channel | 14 Channel |
| Number of Timers/Counters | 8 x 16 bit | 8 x 16 bit | 8 x 16 bit |
| Processor Series | STM32L100 | STM32L100 | STM32L100 |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 1560 | 1560 | 2500 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.6 V | 3.6 V | 3.6 V |
| Supply Voltage Min | 1.8 V | 1.8 V | 1.8 V |
| Watchdog Timers | Watchdog Timer | Watchdog Timer | Watchdog Timer |
| Unit Weight | 0.091712 oz | 0.071006 oz | - |
| Packaging | - | Tray | Reel |
| Tradename | - | STM32 | - |