The SIM3U167-B-GMR is an embedded microcontroller IC from Silicon Labs' SiM3U1xx series.

• Core Processor: ARM Cortex-M3
• Speed: 80MHz
• Package: Tape & Reel (TR)
• Standard Package: 2,500
• Mounting: SMD (SMT)
• Package/Case: 92-VFLGA Dual Rows, Exposed Pad
• Supplier Device Package: 92-LGA (7x7)
• MSL Level: 3
• HTSUS: 8542.31.0001
• Connectivity: EBI/EMI, I2C, IrDA, SmartCard, SPI, UART/USART, and USB
• Peripherals: Brown-out Detect/Reset, DMA, I2S, POR, PWM, and WDT
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• EEPROM Size: No EEPROM
• RAM Size: 32K x 8
• Data Converters: A/D 32x12b and D/A 2x10b
• Oscillator Type: Internal
• Operating Temperature (TA): -40°C to 85°C
• Supply Voltage Range: 1.8V to 3.6V
• Status: Not for new designs.