The MX839 is a low power CMOS µC peripheral device which provides digitally controlled calibration, trimming, and monitoring functions for PCS, cellular, LMR, wireless transceivers, and general purpose applications.

FEATUREs
• 4 input intelligent 10 bit A/D monitoring subsystem
    4 High and 4 Low Comparators
    External IRQ Generator
    Free Running Operation
• Three 8/10 bit DACs
• Two Variable Attenuators
• Selectable A/D Clock Frequencies
• Full Control via 4-wire Serial Interface
• Low Power 3.0 Operation

APPLICATIONs
• PCS, Cellular, LMR, Wireless Transceivers, and General Purpose
• Monitor and Control: RSSI, Battery State, Temperature, VSWR, and Error Voltages
• Digital Trim and Calibration: VCOs, TCXO, Power Output, Bias, Current, IF Gain, Deviation, Modulation Depth, and Baseband Gain