MLC822A 8-Bit micro-controller with 660 dots LCD Driver Features • Single chip 8-bit micro-controller ♦ Internal R-type VLCD divider • Operating voltage: 2.4V to 5.5V • Memory : ♦ 10 level programmable frame rate from ♦ Program ROM: 48*1024 Bytes ♦ Data RAM (stack RAM included) : 3072 ♦ 56.7Hz to 113.8Hz • Two re-loadable 8-bit timers • Two dividers Bytes One 14-bit divider with the clock source LCD RAM : 88 Bytes from sub-oscillator to generate a 2-Hz • 10 input/output pins: interrupt ♦ Dedicated I/O pins: P0[5:0] One 7-bit divider with the clock source ♦ Share pin I/O: from main oscillator ! P0[7:6]/(UART TX, RX) ! P1[0:1]/(SCLK, SDIO) • Build-in dual oscillation circuit: ♦ Ring oscillator up to • Half duplex UART function 5MHz at 3.6V – 5.5V • Build-in Megawin E-flash interface 4MHZ at 2.4V – 3.4V • Dedicated SPK pin for tone output for main oscillator (Fosc) • LCD driver output: ♦ Max 60 segment × 11 common ♦ 1/11, 1/10, 1/9 duty and 1/4, 1/5 bias ♦ 32768Hz crystal oscillator for sub-oscillator (Fx32) • Build-in 8-level battery-low detector circuit driving mode 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. 2004 All rights reserved. 2003/01/19 version A4 MEGAWIN General Description MLC822A is a cost effective, high performance be used to system link with other devices. An 8-bit It e-flash interface is useful for the external integrates an 8-bit pipeline CPU core, 48KB memory application. The MLC822A provides a ROM, 3072B RAM, two 8-bit timers, 660 dots build-in oscillator as clock source. It is suitable LCD driver, 10 I/O pins and other system for data bank product, hand-held game, toy control circuits into a single chip. MLC822A controllers and other products’ applications. micro-controller of MEGAWIN. build in an UART interface circuit, which could 2 MLC822A Technical Summary MEGAWIN