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GPRT5507A

LANGUAGE REPEATER

 General Description

The GPRT5507A integrates an 8-bit CPU, speech generator, segment LED driver, analog switches, programmable attenuator and a gain amplifier into one chip. The GPRT5507A includes a 40K-byte ROM, 128-byte working SRAM, 4 edge-mode interrupts and a fixed time based generator (FCPU/1024)*. This chip which incorporated with 1 or 2 pieces of 4M X 4 ARAM, can be applied to the versatile audio field, such as a language repeater.

 

 Features
  • 8-bit microprocessor
  • Provide 40K x 8 ROM area for program and audio data
  • 128 x 8 working SRAM
  • Embedded LPF, ADC, DAC for analog processing
  • Provide controlled DRAM interfaces
  • 4 Interrupt sources
  • Built in watch dog timer
  • ROSC. or Crystal OSC. selections
  • Provide low battery detector
  • Provide power down mode

 

 Downloads
Data Sheet
   

 

 
 
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