32-bit ARM Cortex M3 RISC microprocessor featuring 80MHz operation and 256KB FLASH memory. Includes 32KB RAM, 65 programmable I/Os, and multiple communication interfaces: 2x I2C, 3x SPI, 2x UART, and 1x USB. Offers 2x ADC channels, 2x PWM channels, and 2x timers/counters, with integrated peripherals like Brown-out Detect/Reset, POR, and WDT. Packaged in an 80-pin TQFP with an operating temperature range of -40°C to 85°C and supply voltage from 1.8V to 3.6V.
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Silicon Labs SIM3U167-B-GQ technical specifications.
| Package/Case | TQFP |
| Core Architecture | ARM |
| Data Bus Width | 32b |
| Frequency | 80MHz |
| Height | 1.05mm |
| Length | 12mm |
| Max Frequency | 80MHz |
| Max Operating Temperature | 85°C |
| Max Power Dissipation | 500mW |
| Max Supply Voltage | 3.6V |
| Memory Size | 256KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 1.8V |
| Number of ADC Channels | 2 |
| Number of Channels | 10 |
| Number of I/Os | 65 |
| Number of I2C Channels | 2 |
| Number of Programmable I/O | 65 |
| Number of PWM Channels | 2 |
| Number of SPI Channels | 3 |
| Number of Timers/Counters | 2 |
| Number of UART Channels | 2 |
| Number of USB Channels | 1 |
| Oscillator Type | Internal |
| Package Quantity | 119 |
| Packaging | Tray |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, DMA |
| RAM Size | 32KB |
| RoHS Compliant | Yes |
| Series | SiM3U1xx |
| Watchdog Timer | Yes |
| Width | 12mm |
| RoHS | Compliant |
