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Products - GPL813P01A


Working Voltage (V)Max. CPU Speed(MHz)ROM (Byte)RAM (Byte)I/OCOMxSEG OptionBiasDuty32K OSC.SPI/UART/RFC/PWMWDTLVD/LVROperating Temp.
2.0~3.6 / 2.4~5.54MHz8KB256B368x321/2~1/41/3~1/8Ext or Int- / - / 2xRFC / 1++ / +-20~70

General Description

GPL813P01A, a CMOS 8-bit microprocessor, combines RAM, ROM, I/Os, an interrupt controller, and an automatic display controller/driver in a small device. The extraordinary features allow system to operate under a voltage range from 2.0V ~ 5.5V. This device is applicable for many application fields such as low power watch and other LCD related products.


  • Built-in 8-bit processor
  • 256 -byte SRAM
  • 8K -byte OTP
  • 32 -byte DPRAM
  • Built-in 4000KHz RC oscillator for system operation
    • adjustable CPU clock speed: 1, 1/2, 1/4, 1/8, 1/16 for ROSC
  • Built-in 32768Hz RC oscillator & 32768 Crystal oscillator circuit for timebase.
  • Low operating voltage: 2.0 V – 5.5 V
  • Low standby current, ISTBY < 3uA @3.0V@25??/li>
  • 36 general I/O pins.
    • PA[3:0] (shared with SEG[18:21])
    • PB[7:0] (shared with COM[0:7])
    • PC[3:0] (shared with SEG[10:13])
    • PC[5:4] (shared with [X32O, X32I])
    • PC[7:6] (shared with SEG[8:9])
    • PD[7] (shared with SEG[26])
    • PD[6] (PD6 can be used as EXT2INT)
    • PD[5:3] (shared with SEG[27:29])
    • PD[2] (PD2 can be used as EXTINT)
    • PD[1:0] (shared with SEG[30:31])
    • PE[7:4] (shared with SEG[14:17])
    • PE[3:0] (shared with SEG[22:25])
    • Built-in RFC function ( PD2 as input, PD[5:3] as output)
  • LCD configurations:
    • 8 coms x 32 segs (MAX), 6X32, 5X32, 4X32, 3X32
  • LCD 1/2, 1/3, 1/4 bias; 1/3, 1/4, 1/5, 1/6, 1/8 duty
  • One 16-bit reloadable timer/counter(Timer0), 8-bit reloadable timer/counter(Timer1)
  • 4-channel PWMIO output
    • PWM output pin shared with PA[3:0]
  • Watchdog mode (~2 sec)
  • 9 interrupt sources
  • IRQ controller
    • 2Khz
    • 128Hz
    • TMBB(4Hz/8Hz/16Hz/32Hz/64Hz/128Hz/1KHz)
    • TMBA(1Hz/2Hz)
    • EXTINT(PD2)
    • EXT2INT(PD6)
    • Timer0 overflow
    • Timer1 overflow
    • Low battery voltage detection(2.2V/2.4V/2.7V/3.3V)
  • Power down mode
  • (wake-up source: key input, TMBB, TMBA, 128Hz, Timer0, Timer1)
  • Low power consumption:
    • 2mA @ 3.0V, Fcpu = 512KHz for operating mode
    • 12uA @ 3.0V, Halt mode
    • Istby < 3uA @ 3.0V
  • Internal regulator for LCD operation
  • Internal regulator for system operation
  • 2.2V/2.4V/2.7V/3.3V low voltage detector
  • Low voltage reset to prevent system runaway at low voltage.

Confirmation Sheet

GPL813P01ABV20_cm(epdf).pdf   Copy Link.

Data Sheet

GPL813P01AV12_ds.pdf   Copy Link.
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