32-bit ARM Cortex-M3 RISC microcontroller featuring 50MHz operation and 256KB FLASH memory. This CMOS MCU offers 32KB RAM, 28 programmable I/Os, and multiple communication interfaces including I2C, SPI, UART, and USART. Integrated peripherals include DMA, PWM, WDT, and 20 ADC channels, operating from 1.8V to 3.8V. Packaged in a 6mm x 4.65mm x 0.85mm QFN, this RoHS compliant component is suitable for a wide temperature range.
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| Package/Case | QFN |
| Core Architecture | ARM |
| Data Bus Width | 32b |
| Frequency | 50MHz |
| Height | 0.85mm |
| Interface | I2C, SPI, IrDA, UART, USART |
| Length | 4.65mm |
| Max Frequency | 50MHz |
| Max Operating Temperature | 85°C |
| Memory Size | 256KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Max Power Dissipation | 650mW |
| Max Supply Voltage | 3.8V |
| Min Supply Voltage | 1.8V |
| Number of ADC Channels | 20 |
| Number of I/Os | 28 |
| Number of I2C Channels | 1 |
| Number of Programmable I/O | 28 |
| Number of PWM Channels | 6 |
| Number of SPI Channels | 2 |
| Number of Timers/Counters | 3 |
| Number of UART Channels | 1 |
| Oscillator Type | Internal |
| Package Quantity | 490 |
| Packaging | Tray |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, DMA |
| Radiation Hardening | No |
| RAM Size | 32KB |
| RoHS Compliant | Yes |
| Series | SiM3L1xx |
| Watchdog Timer | Yes |
| Width | 6mm |
| RoHS | Compliant |
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