Products - GPL192C(OTP)*

General Description

The GPL192C is an 8-bit CMOS microprocessor featuring 704 bytes working RAM, 256K bytes OTP ROM, 20 I/Os max., interrupt/wakeup controller, UART for serial communication, and automatic display controller/driver for LCD. It has one PWM driver with two audio channel outputs. Attractive sound effects can easily be generated. Its large OTP ROM area can be used to store both program and audio data (speech duration is approx. 80 seconds at a 6KHz sampling rate using 4-bit ADPCM). The built-in UART speeds up data transmission between two chips. Furthermore, a SLEEP (power-down) feature is also built-in to reduce power consumption. The GPL192C is designed with state-of-the-art technology to fulfill LCD application requirements, especially hand-held products.

Features

• Built-in 8-bit processor
  • 704 bytes SRAM
  • 256K bytes OTP ROM
  • Max. Operating Speed: 4.0MHz @ 2.4V
  • CPU clock is software programmable to 1/2, 1/4, 1/8 or 1/16 R-oscillator clock frequency
  • Key wake-up function
  • Provides 8 interrupt sources
• Asynchronous serial interface (UART)
  • Supports bit rate up to 115.2 Kbps
• Programmable LCD Driver
  • Up to 64 segments, up to 16 commons, maximum 1024 dots
  • 1/4 or 1/5 bias capability
  • 1/8, 1/12 or 1/16 duty
  • 128 bytes dedicated LCD RAM
  • Built-in voltage doubler and voltage regulator to generate VLCD for LCD driver
  • 16-level VLCD adjustable
• Power saving SLEEP mode (wakeup source: key input, 2Hz, 16Hz, and timer)
• Low Voltage Detector
  • 2.6V and 2.4V detection
• Wide Operating Voltage:
  • 2.4V - 3.6V*
    *Under this voltage range, user can disable regulator to save power
  • 3.6V - 5.5V**
    **Under this voltage range, user must enable regulator to work correctly.
• Peripherals
  • 12 I/O pins shared with LCD segments (option)
  • 4 I/O pins (IOEF3 - 0)
  • Extra two general I/O pins (IOEF5 - 4) or 2 UART pins (TXD - RXD) (option)
  • Extra two I/O pins (IOEF7 - 6) when LCD is 1/8 or 1/12 duty
  • Built-in 32.768KHz oscillator circuit for real time clock Function
  • Built-in R-oscillator (only one resistor required)
  • Internal time base generator
  • Two 16-bit reloadable timer/counters (TM0 & TM1)
  • 2-channel of 8-bit audio decoders
  • One PWM output (can drive speaker or buzzer directly)
  • Watchdog Timer for reliable operation
• Low-power consumption