MTV012A Datasheet, PDF (1/14 Pages) List of Unclassifed Manufacturers – 8051 Embedded CRT Monitor Controller Mask Version

MYSON
TECHNOLOGY
MTV012A
8051 Embedded CRT Monitor Controller
Mask Version
FEATURES
8051 core.
256 bytes internal RAM.
8K bytes program Mask ROM.
14 channels 10V open drain PWM DAC, 10 dedicated channels and 4 channels shared with I/O pin.
20 bi-direction I/O pin, 12 dedicated pin, 4 shared with DAC, 4 shared with DDC/IIC interface.
3 output pins shared with H/V sync output and self test output pins.
SYNC processor for composite sync separation, polarity and frequency check, and polarity adjustment.
Built-in monitor self test pattern generator.
Built-in Low Power Reset circuit.
IIC interface for DDC1/DDC2B and EEPROM, only one EEPROM needed to store DDC1/DDC2B and
display mode information.
Watch dog timer with programmable interval.
40 pin PDIP package.
GENERAL DESCRIPTION
The MTV012A micro controller is an 8051 CPU core-embedded device specially tailored to CRT monitor
applications. It includes an 8051 CPU core, 256-byte SRAM, 14 built-in PWM DACs, DDC1/DDC2B
interface, 24Cxx series EEPROM interface and an 8K-byte internal program ROM.
BLOCK DIAGRAM
P1.0-7
P0.0-7
RD
X1
WR
8051
X2 _{CORE INT1}
P2.0-3
RST
P3.0-P3.2 P3.4 ^P2.4-7
P0.0-7
RD
WR
XFR
WATCH-DOG
TIMER
RST
STOUT
HSYNC
H/VSYNC VSYNC
CONTROL HBLANK
VBLANK
DA0-9
14 CHANNEL
PWM DAC
DA10-13
HSCL
HSDA
DDC 1/2 B & FIFO
INTERFACE
ISCL
IIC INTERFACE
ISDA
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.
MTV012A Revision 1.1 12/23/1998
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