18.2 Features

The following are key features of the OSCCTRL module:

  • 48 MHz Crystal Oscillator (XOSC48)
    • Supports 4 MHz to 48 MHz crystal oscillators
    • Supports ceramic resonators up to 10 MHz
    • AGC, Automatic gain control loop with manual override
    • User clock Ready Status
    • Clock-fail detection in AGC mode with safe clock switch
  • RC48M (DFLL48M)
    • System clock output
    • 48.0 MHz (-5% to 2%) calibrated with DFLL48M in open-loop operation
    • 48.0 MHz (±0.25%) calibrated with DFLL48M in closed-loop operation
    • 8 MHz (±15%) in low-power mode with DFLL48M in open-loop operation
  • One PLL, Phase-Locked Loop
    • 4 MHz to 48 MHz Reference Input Clock
    • Programmable Reference Input Clock divider
    • Single-ended output frequency: 12.7 MHz to 200 MHz or 1.6 GHz for fractional divider module input
    • Six single-ended outputs with programmable output clock dividers
    • Programmable closed loop bandwidth