50C014

General Description:

It is an 8-bit high performance micro-controller with LCD display driver. It is designed for the applications of consumer product that use LCD.

• 14KB ROM 272 DOT LCD MCU

Features:

• 1. Operate voltage: 2.0V ~ 5.2 V
• 2. Build-in Main-clock oscillator
  • BR4M4: Build-in R & C 4.4MHz
• 3. Build-in Sub-clock oscillator
  • BR35K: Build-in RC 35KHz
• 4. 2 kind of CPU speed: Fcpu=Fosc/2 or Fext
• 5. 4 kind of CPU operating mode: Normal, Green, Idle or Sleep.

v6. 14K bytes Program ROM

• 7. 160 bytes General Purpose SRAM
• 8. One 8-bits timer
  • Timer 0: 8-bit timer for Time-base or tone generator
• 9. I/O pins:
  • PA0,PA1,PA2,PA3(AC) *,PA4,PA5,PA6,PA7
  • PP, PN
  • PC[7:0](SEG[7:0]) * *: share pin
• 10. Interrupt sources:
  • Divide interrupt: 1KHz, time-base
  • Timer 0 interrupt
  • PA interrupt: When the falling edge transition in port A
  • LCD frame rate interrupt
• 11. LCD Driver:
  • R-Type: 1/3 or 1/4 bias for 26*16~38*4
• 12. 8 bits PWM output, direct driver 32ohm speaker

Applications:

• Battery Type Low Power Consumer electronic product.