MTV230M Datasheet, PDF (1/31 Pages) List of Unclassifed Manufacturers – 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
P0.0-7
P2.0-3
RD
WR
8051
ALE
INT1
CORE
RST
X1
X2
P0.0-7
P2.0-3
RD
WR
ALE
INT1
XFR
AD0-3 ADC
PWM DAC
DA0-3
OSD
CONTROL
OSDHS
OSDVS
XIN
ROUT
GOUT
BOUT
FBKG
INT
H/VSYNC
CONTROL
HSYNC
VSYNC
HBLANK
VBLANK
DDC & IIC
INTERFACE
ISCL
ISDA
HSCL
HSDA
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