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Products - GPL833F08A


Working Voltage (V)Max. CPU Speed(MHz)ROM(Byte)RAM(Byte)I/OMax. LCD DotsCOM x SEG OptionBiasDutyTimer/Counter32K OSC.(Mask option)ROSC32K OSC.(Mask option)X’TALSPI/UART/RFC/I2C/PWMADCC-Touch I/OLVD/LVROperating Temp
1.8~3.6864K Flash3072+2564010242X64, 3X64 ~ 16X641/2, 1/3, 1/41/2 ~ 1/1616-bitX4•/•/2/•/412bitX816•/•-20~70

General Description

The GPL833F08A, an 8-bit microprocessor, features 64KB flash memory, 3072 bytes working RAM, 256 bytes LCD RAM, 16 dedicated I/Os, 16 COM/SEG shared I/Os, interrupt/ wakeup controller, four 16-bit timers, SPI interface, one 8-channel SAR ADC with 12-bit resolution for general-purpose application, and automatic display controller/driver for mono LCD. The GPL833F08A contains up to 64 segments and 16 commons, forming a maximum of 1024 dots LCD resolution. GPL833F08A operates over a wide voltage range from 1.8V through 3.6V, and a Low Voltage Reset function to assure system keeps operating properly when power drops below certain level. Moreover, there is one In-circuit emulator (ICE) featuring two pins to facilitate full speed in-system debugging works.


8-bit microprocessor

  • 64K-byte Flash with high endurance
  • Minimum 200,000 program/erase cycles
  • Minimum 20 years data retention
  • 1KB page size
  • Supports self-erasing and self-programming
  • Security bit supported
  • 3072-byte SRAM
  • 256-byte LCD RAM
  • Operating voltage: 1.8V – 3.6V
  • Built-in X'tal 32.768KHz oscillator circuit for real time clock function and system operating clock
  • Built-in PLL 2.048MHZ/4.096MHZ/8.192MHZ for system operating clock
  • Programmable CPU clock: 1, /2, /4, /8, for X'tal 32768Hz or PLL.
  • Internal built-in regulator to supply core power.
  • Programmable LCD driver
  • Up to 64 segments and 16 commons, forming a maximum of 1024 dots LCD resolution
  • Supports from 1/2 duty up to 1/16 duty
  • 256 bytes dedicated LCD RAM
  • Supports normal type-B and type-C LCD waveform with or without key scan
  • Built-in voltage regulator to generate VLCD for LCD driver
  • Supports 1/2 1/3 1/4 1/5 bias
  • 16-level contrast control (VLCD=VDD~6.5V)
  • Low Voltage Detector
    4-level (1.9V/2.0V/2.2V/2.6V) voltage detector
  • Low Voltage Reset
  • Power saving SLEEP mode
  • Power saving HALT mode
  • One 8-channel 12-bit resolution ADC
  • Capacitor sensing touch hardware for 32 I/Os
  • In-circuit emulator (ICE) supports on-chip debug, programming and erasing flash memory
  • Peripherals
  • Max. 32 I/O pins (PA[7:0], PB[7:0], PD[7:0], PE[7:0])
    Dedicated I/Os: PA[7:0], PB[7:0]
    Shared pin I/Os:
  • Key wakeup/interrupt function
  • Built-in 2x RFC function ( PB2 or PB6 as input, PB7 PB[5:4] or PB1 PB[3:0] as output)
  • Time base generator
  • Stop Watch Timer
  • Total of four 16-bit reloadable timer/counters, including two 16-bit general-purpose timers/counters and two touch-sensing timers (can be released for general-purpose use).
  • Watchdog timer
    • 4-channel PWMIO output
    • Serial Peripheral Interface(SPI)
    • Universal Asynchronous Receiver/Transmitter (UART)
    • I2C (master / slaver mode)
    • EL light driver

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