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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