| PartNumber | STM32L072RZI6 | STM32L072RZH6TR | STM32L072RZH6 |
| Description | ARM Microcontrollers - MCU 16/32-BITS MICROS | 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 |
| 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 | UFBGA-64 | TFBGA-64 | TFBGA-64 |
| Series | STM32L072RZ | STM32L072RZ | STM32L072RZ |
| Core | ARM Cortex M0+ | - | ARM Cortex M0+ |
| Data Bus Width | 32 bit | - | 32 bit |
| Maximum Clock Frequency | 32 MHz | - | 32 MHz |
| Program Memory Size | 192 kB | - | 192 kB |
| Data RAM Size | 20 kB | - | 20 kB |
| ADC Resolution | 12 bit | - | 12 bit |
| Number of I/Os | 51 I/O | - | 50 I/O |
| Operating Supply Voltage | 1.8 V to 3.6 V | - | 1.8 V to 3.6 V |
| Minimum Operating Temperature | - 40 C | - | - 40 C |
| Maximum Operating Temperature | + 85 C | - | + 85 C |
| Product | MCU | - | MCU |
| Program Memory Type | Flash | - | Flash |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Data RAM Type | SRAM | - | SRAM |
| Data ROM Size | 6 kB | - | 6 kB |
| Data ROM Type | EEPROM | - | EEPROM |
| Interface Type | I2C, SPI, USART, LPUART, USB | - | I2C, I2S / SPI, LPUART, USART, USB |
| Analog Supply Voltage | 1.65 V to 3.6 V | - | 1.8 V to 3.6 V |
| DAC Resolution | 12 bit | - | 2 x 12 bit |
| I/O Voltage | - | - | - |
| Moisture Sensitive | Yes | - | Yes |
| Number of ADC Channels | 16 Channel | - | 16 Channel |
| Number of Timers/Counters | 7 Timer | - | 11 Timer |
| Processor Series | STM32 | - | STM32L072 |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 2940 | 2500 | 3840 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.6 V | - | 3.6 V |
| Supply Voltage Min | 1.8 V | - | 1.8 V |
| Tradename | STM32 | STM32 | STM32 |
| Watchdog Timers | Watchdog Timer, Windowed | - | Watchdog Timer, Windowed |