Megawin MLC822A 8-bit micro-controller with 660 dots lcd driver Datasheet

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
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