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| MLC852A 8-Bit micro-controller with 1120 dots LCD driver Features * Single chip 8-bit micro-controller * Operating voltage: 2.4V to 5.5V * Memory : 10 level programmable frame rate from 56.7Hz to 113.8Hz 16-level adjustable VLCD from 3.5 V to 5.75 V Program ROM: 64K Bytes Data RAM (stack RAM included) : 3328 Bytes (0000h ~ 0CFFh) * One 8-bit resolution DAC output * Programmable sample rate for voice/melody function LCD RAM : 144 Bytes * 20 input/output pins: Dedicated I/O pins: P0[0:3] Share pin I/O: ! P0[4]/SEG[69] ! P0[5:7]/SEG[66:64] ! P1[0:1]/UART(TX, RX) ! P2[0:7]/SEG[63:56] ! P3[0:1]/SEG[68:67]/(SDIO, SCLK) * Two reloadable 8-bit timers * Two dividers One 14-bit divider with the clock source from sub-oscillator to generate a 2-Hz interrupt One 7-bit divider with the clock source from main oscillator * Half duplex UART function * Build-in Megawin e-flash interface * Dedicated SPK pin for tone/DAC * LCD driver output: * Build-in dual oscillation circuit: Ring oscillator up to 5MHz at 3.6V - 5.5V 4MHZ at 2.4V - 3.4V for main oscillator (Fosc) Max 70 segment x 16 common 1/16 duty 1/5 bias driving mode Build-in voltage regulator and pumper to generate LCD voltage for LCD driver 32768Hz crystal oscillator for sub-oscillator (Fx32) * Build-in 8-level battery-low detector circuit 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. 2003 All rights reserved. 2003/11/11 version_A4 MEGAWIN General Description MLC852A is a cost effective, high performance 8-bit micro-controller of MEGAWIN. It be used to system link with other devices. An e-flash interface is useful for the external memory application. The MLC852A provides a build-in oscillator as clock source. It is suitable for data bank product, hand-held game, toy controllers and other products' applications. integrates an 8-bit pipeline CPU core, 64KB ROM, 3328B RAM, two 8-bit timers, 1120 dots LCD driver, 20 I/O pins and other system control circuits into a single chip. MLC852A build in an UART interface circuit, which could 2 MLC852A Technical Summary MEGAWIN |
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