MLC852A Datasheet, PDF (1/2 Pages) Megawin Technology Co., Ltd – 8-Bit micro-controller with 1120 dots LCD driver

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 :
♦ Program ROM: 64K Bytes
♦ Data RAM (stack RAM included) : 3328
Bytes (0000h ~ 0CFFh)
♦ 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)
• Half duplex UART function
• Build-in Megawin e-flash interface
• Dedicated SPK pin for tone/DAC
• LCD driver output:
♦ Max 70 segment × 16 common
♦ 1/16 duty 1/5 bias driving mode
♦ Build-in voltage regulator and pumper
to generate LCD voltage for LCD driver
♦ 10 level programmable frame rate from
56.7Hz to 113.8Hz
♦ 16-level adjustable VLCD from 3.5 V to
5.75 V
• One 8-bit resolution DAC output
• Programmable sample rate for
voice/melody function
• 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
• 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)
♦ 32768Hz crystal oscillator for
sub-oscillator (F_x32)
• 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