The SiM3U157-B-GQ is an integrated circuit with ARM Cortex-M3 as its core processor.

• GPTDescription: It has a speed of 80MHz and a 32-bit single-core core size.
• GPTDescription: The connectivity options include EBI/EMI, I2C, IrDA, SmartCard, SPI, UART/USART, and USB.
• GPTDescription: The peripherals include Brown-out Detect/Reset, DMA, I2S, POR, PWM, and WDT.
• GPTDescription: The device has 65 I/Os and a program memory size of 128KB (128K x 8) with FLASH as its program memory type.
• GPTDescription: The device has an internal oscillator type and an operating temperature range of -40°C ~ 85°C (TA).
• GPTDescription: The operating supply voltage is 1.8V ~ 3.6V.