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| Part Number | STM32L552ZCT6Q | STM32L552ZET6Q | STM32L552VCT6Q |
|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Status | Active | Active | Active |
| Core Processor | ARM® Cortex®-M33 | ARM® Cortex®-M33 | ARM® Cortex®-M33 |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| Speed | 110MHz | 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 | 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 | Brown-out Detect/Reset, DMA, PWM, WDT |
| Number of I/O | 111 | 111 | 79 |
| Program Memory Size | 256KB (256K x 8) | 512KB (512K x 8) | 256KB (256K x 8) |
| Program Memory Type | Flash | Flash | Flash |
| EEPROM Size | - | - | - |
| RAM Size | 256K x 8 | 256K x 8 | 256K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 3.6V | 1.71V ~ 3.6V | 1.71V ~ 3.6V |
| Data Converters | A/D 14x12b; D/A 2x12b | A/D 14x12b; D/A 2x12b | A/D 14x12b; D/A 2x12b |
| Oscillator Type | Internal | Internal | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 144-LQFP | 144-LQFP | 100-LQFP |
| Supplier Device Package | 144-LQFP (20x20) | 144-LQFP (20x20) | 100-LQFP (14x14) |
