| PartNumber | STM32L072CZY6DTR | STM32L072CZY3TR | STM32L072CZY6TR |
| Description | ARM Microcontrollers - MCU Ultra-low-power ARM Cortex-M0+ MCU with 192-Kbytes Flash, 32 MHz CPU, USB | ARM Microcontrollers - MCU Ultra-low-power ARM Cortex-M0+ MCU with 192-Kbytes Flash, 32 MHz CPU, USB | ARM Microcontrollers - MCU 16/32-BITS MICROS |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | WLCSP-49 | WLCSP-49 | WLCSP-49 |
| Series | STM32L072CZ | STM32L072CZ | STM32L072CZ |
| Core | ARM Cortex M0+ | ARM Cortex M0+ | ARM Cortex M0+ |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 32 MHz | 32 MHz | 32 MHz |
| Program Memory Size | 192 kB | 192 kB | 192 kB |
| Data RAM Size | 20 kB | 20 kB | 20 kB |
| ADC Resolution | 12 bit | 12 bit | 12 bit |
| Number of I/Os | 40 I/O | 40 I/O | 40 I/O |
| Operating Supply Voltage | 1.65 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 | + 125 C | + 85 C |
| Product | USB MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Data RAM Type | SRAM | SRAM | SRAM |
| Data ROM Size | 6 kB | 6 kB | 6 kB |
| Data ROM Type | EEPROM | EEPROM | EEPROM |
| Interface Type | I2C, SPI, USART, USB | I2C, I2S / SPI, LPUART, USART, USB | I2C, SPI, USART, LPUART, USB |
| DAC Resolution | 2 x 12 bit | 2 x 12 bit | 12 bit |
| Moisture Sensitive | Yes | - | - |
| Number of ADC Channels | 13 Channel | 13 Channel | 13 Channel |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 5000 | 5000 | 5000 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.6 V | 3.6 V | 3.6 V |
| Supply Voltage Min | 1.65 V | 1.8 V | 1.8 V |
| Tradename | STM32 | STM32 | STM32 |
| Watchdog Timers | Watchdog Timer, Windowed | Watchdog Timer, Windowed | Watchdog Timer, Windowed |
| Analog Supply Voltage | - | 1.8 V to 3.6 V | 1.65 V to 3.6 V |
| Number of Timers/Counters | - | 11 Timer | 7 Timer |
| Processor Series | - | STM32L072 | STM32 |
| I/O Voltage | - | - | - |
| Unit Weight | - | - | 0.091712 oz |