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Products > Mobile > DSP > Product Lineup > µPD77111 Family >

µPD77112

µPD77111 Family


16 bits, Fixed-point Digital Signal Processor


Overview

  The µPD77112 is 16-bit fixed-point digital signal processor (DSP).
  Compared with the µPD77016 family, this DSP has improved power consumption and is ideal for battery-powered mobile terminals such as PDAs and cellular phones.
  Both mask ROM and RAM models are available.


Features

  • Instruction cycle (operating clock)
    13.3 ns MIN (75 MHz MAX)
  • Internal instruction memory
    RAM 1 Kwords × 32 bits
    Mask ROM 31.75 Kwords × 32 bits
  • Data memory
    RAM 3 Kwords × 16 bits × 2 banks
    Mask ROM 16 Kwords × 16 bits × 2 banks
    External memory space 16 Kwords × 16 bits × 2 banks

Ordering Information

Order Code Package
µPD77112GC-xxx-9EU 100-pin plastic TQFP (fine pitch)(14×14 mm)

xxx: ROM code suffix.


Document


Block Diagram

µPD77112 Block Diagram