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MTV230MV64

Description
8051 Embedded LCD Monitor Controller with Flash OSD
File Size243KB,31 Pages
ManufacturerETC1
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MTV230MV64 Overview

8051 Embedded LCD Monitor Controller with Flash OSD

MYSON
TECHNOLOGY
MTV230M
(Rev 1.0)
8051 Embedded LCD Monitor Controller
with Flash OSD
FEATURES
8051 core, 12MHz operating frequency with double CPU clock option, 3.3V power supply.
1024-byte RAM, 64K-byte program Flash-ROM.
Maximum 4 channels of 5V open-drain PWM DAC.
Maximum 32 bi-directional I/O pins.
SYNC processor for composite separation/insertion, H/V polarity/frequency check and polarity adjustment.
Built-in low power reset circuit.
Compliant with VESA DDC2B/2Bi/2B+ standard.
Dual slave IIC addresses.
Single master IIC interface for internal device communication.
Maximum 4-channel 6-bit ADC.
Watchdog timer with programmable interval.
OSD controller features:
.
Full-screen display consists of 15 (rows) by 30 (columns) characters.
.
Programmable OSD menu positioning for display screen center.
.
512 Flash-ROM fonts, with 12x18 dot matrix, including 480 standard fonts and 32 multi-color fonts.
.
Character (per row) and window intensity control.
.
Character bordering, shadowing and blinking effect.
.
Character height control (18 to 71 lines), double height and/or width control.
.
4 programmable windows with multi-level operation and programmable shadowing width/height/color.
In System Programming function (ISP).
42-pin SDIP or 44-pin PLCC/QFP package.
GENERAL DESCRIPTIONS
The MTV230M micro-controller is an 8051 CPU core embedded device specially tailored to LCD Monitor
applications. It includes an 8051 CPU core, 1024-byte SRAM, OSD controller, 4 built-in PWM DACs, VESA
DDC interface, 4-channel A/D converter, a 64K-byte internal program Flash-ROM and a 9K-word internal
OSD character Flash-ROM.
BLOCK DIAGRAM
P1.0-7
P3.0-2
P3.4-5
P4.0-7
P5.0-7
RST
X1
X2
P0.0-7
P2.0-3
RD
WR
ALE
INT1
P0.0-7
P2.0-3
RD
WR
ALE
INT1
OSDHS
OSDVS
XIN
ROUT
GOUT
BOUT
FBKG
INT
HSYNC
VSYNC
HBLANK
VBLANK
ISCL
ISDA
HSCL
HSDA
XFR
OSD
CONTROL
8051
CORE
AD0-3
ADC
H/VSYNC
CONTROL
PWM DAC
DA0-3
DDC & IIC
INTERFACE
This datasheet contains new product information. Myson Technology reserves the rights to modify the product specification without
notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sale of the product.
Revision 1.0
-1-
2000/11/15

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