| Part Number | STM32L552MEY6PTR | STM32L562MEY6PTR | 
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | 
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers | 
|   |   | |
| Product Status | Active | Active | 
| Core Processor | ARM® Cortex®-M33 | ARM® Cortex®-M33 | 
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 
| Speed | 110MHz | 110MHz | 
| Connectivity | CANbus, I²C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, UART/USART, USB | CANbus, I²C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, UART/USART, USB | 
| Peripherals | Brown-out Detect/Reset, DMA, PWM, WDT | Brown-out Detect/Reset, DMA, PWM, WDT | 
| Number of I/O | 54 | 54 | 
| Program Memory Size | 512KB (512K x 8) | 512KB (512K x 8) | 
| Program Memory Type | Flash | Flash | 
| EEPROM Size | - | - | 
| RAM Size | 256K x 8 | 256K x 8 | 
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 3.6V | 1.71V ~ 3.6V | 
| Data Converters | A/D 16x12b; D/A 2x12b | A/D 16x12b; D/A 2x12b | 
| Oscillator Type | Internal | Internal | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 81-UFBGA, WLCSP | 81-UFBGA, WLCSP | 
| Supplier Device Package | 81-WLCSP (4.36x4.07) | 81-WLCSP (4.36x4.07) |