XA 16-Bit Microcontroller Family 32K OTP, 512 B RAM, Watchdog, 2 UARTs


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  • 20-bit address range, 1 megabyte each program and data space. (Note that the XA architecture supports up to 24 bit addresses.)
  • 2.7 V to 5.5 V operation
  • 32K bytes on-chip EPROM program memory
  • 512 bytes of on-chip data RAM
  • Three counter/timers with enhanced features (equivalent to 80C51 T0, T1, and T2)
  • Watchdog timer
  • Two enhanced UARTs
  • Four 8-bit I/O ports with 4 programmable output configurations
  • 44-pin PLCC and 44-pin LQFP packages


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