IP2022 User’s Manual—Overview www.ubicom.com 5 • Four hardware LFSR units
– CRC generation/checking – Data whitening – Encryption General-Purpose Hardware Peripherals • Two 16-bit timers with 8-bit prescalers supporting:
– Timer mode – PWM mode – Capture/Compare mode • Parallel host interface, 8/16-bit selectable for use as a com-
munications coprocessor • One 8-bit timer with programmable 8-bit prescaler • One  8-bit  real-time  clock/counter  with  programmable  15-bit
prescaler and 32 kHz crystal input • Watchdog timer with prescaler • On-chip PLL clock multiplier with pre- and post-divider
– 100 MHz on-chip clock from 2 MHz external crystal • 10-bit, 8-channel ADC with 1/2 LSB accuracy • Analog comparator with hysteresis enable/disable • Brown-out minimum supply voltage detector • External interrupt inputs on 8 pins (Port B)