Products - GPC74080B

GPC74080B Copy Link.

Working Voltage (V)Max.CPU Speed (MHz)ROM (Word)RAM (Nibble)I/OAudio Output (PWM)H/W Channel (SPU)Volume ControlCPU CLK OSC. ROSC (Option)LVROTP

General Description

GPC74080B, a 4-bit architecture sound controller, is embedded with a 4-channel SPU which supports MIDI playing, 4-bit RISC CPU, 14-bit PWM, 8 IOs, RAM with 256 nibbles, ROM with 64Kx12-bit. The operating voltage ranges from 2.0V through 5.5V and the CPU operating speed is 1M/2MHz, optional by inner oscillator. Other features include Low Voltage Reset, IR carry output, Watchdog, 5 interrupt sources with two TimeBases, etc.


  • 4-bit RISC CPU
  • CPU Clock: 1M/2M Hz, System clock: 8MHz
  • Operating Voltage: 2.0V - 5.5V
  • Regulator built-in with input voltage: 2.0~5.5V, output voltage: 2.0~3.0V
  • IO IOA~IOB Operating Voltage: 2.0V - 5.5V
  • 256 nibbles SRAM
  • 14-bit PWM driver for driving speaker directly
  • 64Kx12-bit ROM
  • Standby mode for power savings
  • Five interrupt sources with two TimeBases
  • 4-channel Sound Processing Unit (SPU) supports MIDI playing
  • 8 general I/Os (bit programmable)
  • Key wakeup function (IOA~IOB for 8 IO)
  • Low voltage reset
  • Watchdog

Confirmation Sheet

GPC74XXXBV14_cs(epdf).pdf   Copy Link.

Application / Engineering Note

AN0196-GPC74_GPC71_Series_Low_Voltage_Application_Note-16.pdf   Copy Link.

Data Sheet

GPC74XXXBV14_ds.pdf   Copy Link.
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