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| Part Number | STM32L021F4U6TR | STM32L011F4U6TR |
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Product Status | Active | Active |
| Core Processor | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core |
| Speed | 32MHz | 32MHz |
| Connectivity | I²C, IrDA, SPI, UART/USART | I²C, IrDA, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Number of I/O | 16 | 16 |
| Program Memory Size | 16KB (16K x 8) | 16KB (16K x 8) |
| Program Memory Type | Flash | Flash |
| EEPROM Size | 512 x 8 | 512 x 8 |
| RAM Size | 2K x 8 | 2K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.65V ~ 3.6V | 1.65V ~ 3.6V |
| Data Converters | A/D 7x12b | A/D 7x12b |
| Oscillator Type | Internal | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 20-UFQFN | 20-UFQFN |
| Supplier Device Package | 20-UFQFPN (3x3) | 20-UFQFPN (3x3) |
