Silicon Laboratories, Inc. SiM3L144

The Silicon Laboratories, Inc. SiM3L144 is a 32-bit ARM Cortex-M3 CPU - 50 MHz maximum frequency - Single-cycle multiplication, hardware division support - Nested vectored interrupt control (NVIC) with 8 priority levels Memory - 32-256 kB flash, in-system programmable - 8-32 kB SRAM with configurable low power retention Clock Sources - Internal oscillator with PLL: 23–50 MHz - Low power internal oscillator: 20 MHz - Low frequency internal oscillator (LFO): 16.4 kHz - External real-time clock (RTC) crystal oscillator - External oscillator: Crystal, RC, C, CMOS clock Power Management - 3 (2 scaleable) low drop-out (LDO) regulators - Power-on reset circuit and brownout detectors - DC-DC buck converter allows dynamic voltage scaling - Multiple power modes supported for low power optimization 5 V Tolerant Flexible I/O - Up to 62 contiguous 5 V tolerant GPIO Analog Peripherals - 12-Bit Analog-to-Digital Converter Up to 250 ksps 12-bit mode or 1 Msps 10-bit mode - 10-Bit Current-mode Digital-to-Analog Converter - 2 x Low-current comparators Digital and Communication Peripherals - 1 x USART with IrDA and ISO7816 Smartcard support - 1 x UART that operates in low power mode - 2 x SPIs, 1 x I2C, 16/32-bit CRC - 128/192/256-bit Hardware AES Encryption - Encoder/Decoder: Manchester and Three-out-ofSix - Integrated LCD Controller up to 160 segments (40x4), auto-contrast and low power operation Timers/Counters - 3 x 32-bit or 6 x 16-bit timers with capture/compare - 16-bit, 6-channel counter with capture/compare/PWM - 16-bit low power timer/advanced capture counter - 32-bit real time clock (RTC) - Watchdog timer - Low power mode advanced capture counter (ACCTR) Data Transfer Peripherals - 10-Channel DMA Controller - 3 Channel Data Transfer Manager On-Chip Debugging - Serial wire debug (SWD) with serial wire viewer (SWV), JTAG (no boundary scan) - Cortex-M3 embedded trace macrocell (ETM).