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Generalplus Technology Inc.

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Products - GPCE2P064B (OTP)


Working Voltage (V)Max. CPU Speed (MHz)ROM (Byte)RAM (Byte)I/OAudio OutputADC (CH)
2.4 ~ 5.549.15264K4K20Push/Pull 14-bit x112-bit x8

General Description

GPCE2P064B, a 16-bit architecture sound controller, features the newest 16-bit microprocessor, m'nSP™ (pronounced as micro-n-SP). This high processing speed assures the m'nSP™ is capable of handling complex digital signal processes easily and rapidly. Therefore, the GPCE2P064B is applicable to the areas of digital sound process and voice recognition. The operating voltage of 2.4V through 5.5V and speed of 0.16MHz through 49.152MHz yield the GPCE2P064B to be easily used in varieties of applications. The memory capacity includes a 32K-word OTP ROM plus a 2K-word working SRAM. Other features include 20 programmable multi-functional I/Os, three 16-bit timers/counters, 32KHz clock, Low Voltage Reset/Detection, four channels 12-bit ADC (one channel built-in MIC amplifier with auto gain controller), one 14-bit DAC with push-pull amplifier and many others.


  • 16-bit m'nSP™ microprocessor
  • CPU Clock: 0.16MHz - 49.152MHz
  • Operating Voltage: 2.4V - 5.5V
  • Power regulator built-in with input voltage: 2.4~5.5V, output voltage: 2.4~3.0V
  • IO PortA & B Operating Voltage: 2.4V - 5.5V
  • 32K-word fast speed OTP ROM
  • 2K-word working SRAM
  • Software-based audio processing
  • Two sets of 14-bit software channel with noise filter, mixer and scalar to play high quality sound
  • Standby mode for power saving
  • Three 16-bit timers/counters
  • One 14-bit DAC with push-pull amplifier.  Supports cascade mode
  • 20 general I/Os (bit programmable)
  • Key wakeup function (IOA0 - 15)
  • PLL feature for system clock
  • 32kHz internal resistor oscillator selected.
  • Four channels 12-bit AD converter
  • ADC
  • Built-in microphone amplifier and AGC or PGA function selected
  • Low voltage reset and low voltage detection
  • Watchdog Enable (option)
  • One SPI serial interface I/O

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