The SiM3L1xx series integrated circuit (IC) is an ARM Cortex-M3 core processor with a speed of 50MHz.

• Package: Tape & Reel (TR)
• Standard Package: 2,500
• Mounting Type: SMD (SMT)
• Core Size: 32-bit single-core
• Connectivity: I2C, IrDA, SmartCard, SPI, and UART/USART
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, and WDT
• Number of I/O: 28
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• EEPROM Size: not applicable
• RAM Size: 16K x 8
• Data Converters: A/D 20x10/12b and D/A 1x10b
• Oscillator Type: Internal
• Package/Case: 40-VFQFN Exposed Pad
• Supplier Device Package: 40-QFN (6x6)
• Temperature Range - Operating: -40°C ~ 85°C (TA)
• Supply Voltage - Operating: 1.8V ~ 3.8V
• MSL Level: 2 (1 Year)
• ECCN: 5A992C
• HTSUS: 8542.31.0001
• Manufacturer: Silicon Labs
• Base Product Number: SIM3L144
• Product Status: not for new designs