MLC650A Datasheet, PDF (1/2 Pages) Megawin Technology Co., Ltd – 8-bit micro-controller with 512 dots LCD driver

MLC650A
8-bit micro-controller with 512 dots LCD driver
Features
• 65C02-base single chip 8-bit
micro-controller
• Operating voltage: 3.6V to 5.5V
• Memory :
♦ Program ROM : 224K Bytes
♦ Data RAM : 256 Bytes
♦ LCD display RAM : 64 Bytes
• 32 input/output pins:
♦ 24 I/O pins (P0, P1 and P2) for key
input with wak-up and interrupt function
♦ 2 I/O pins (P3.0, P3.1) can switch as
sub-oscillator external connection pins
♦ 6 output pins (P3.2~P3.7) can switch as
LCD common pins (COM15~COM11)
• LCD driver output:
♦ Max 32 segment × 16 common
♦ 1/10 or 1/16 duty 1/5 bias driving mode
♦ Build-in voltage regulator to generate
fixed 3.0V VLCD for LCD driver
• Two current DAC output for voice
synthesizer
• Dual-channel melody with programmable
envelope
• Programmable sample rate for
voice/melody function
• Three re-loadable 16-bit timers
• One serial input port built in
• Build-in dual oscillation circuit:
♦ Ring oscillator up to 6MHz for main
oscillator
♦ 32768Hz crystal oscillator for
sub-oscillator
♦ Single or dual clock operation
selectable by control register
• Build-in battery low detector circuit
Application Field
Hand-held LCD game
Education toy
Toy piano with LCD driver
This document contains information on a new product under development by MEGAWIN. MEGAWIN reserves the right to change or discontinue
this product without notice.
 MEGAWIN Technology Co., Ltd. 2002 All rights reserved.
2002/11 version A2
MEGAWIN