32-bit ARM Cortex-M microcontroller featuring 128KB FLASH memory and 32KB RAM. Operates at up to 50MHz with 28 programmable I/Os, supporting I2C, SPI, IrDA, and UART interfaces. Includes 20 ADC channels, 6 PWM channels, and 3 timers. Packaged in a 40-pin QFN with dimensions of 4.65mm x 6mm x 0.85mm, operating from 1.8V to 3.8V.
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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 |
| Min Operating Temperature | -40°C |
| Max Power Dissipation | 650mW |
| Max Supply Voltage | 3.8V |
| Memory Size | 128KB |
| Memory Type | FLASH, |
| 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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