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| Part Number | STM32L021D4P6 | STM32L021D4P7 | STM32L011D4P6 |
|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Status | Active | Active | Active |
| Core Processor | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| Speed | 32MHz | 32MHz | 32MHz |
| Connectivity | I²C, IrDA, SPI, UART/USART | 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 | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Number of I/O | 11 | 11 | 11 |
| Program Memory Size | 16KB (16K x 8) | 16KB (16K x 8) | 16KB (16K x 8) |
| Program Memory Type | Flash | Flash | Flash |
| EEPROM Size | 512 x 8 | 512 x 8 | 512 x 8 |
| RAM Size | 2K x 8 | 2K x 8 | 2K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.65V ~ 3.6V | 1.65V ~ 3.6V | 1.65V ~ 3.6V |
| Data Converters | A/D 4x12b | A/D 4x12b | A/D 4x12b |
| Oscillator Type | Internal | Internal | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 14-TSSOP (0.173", 4.40mm Width) | 14-TSSOP (0.173", 4.40mm Width) | 14-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 14-TSSOP | 14-TSSOP | 14-TSSOP |
