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MTV112M Datasheet

  • MTV112M

  • 8051 Embedded CRT Monitor Controller Flash Version

  • 20頁

  • ETC

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MYSON
TECHNOLOGY
MTV112M
(Rev 2.0)
8051 Embedded CRT Monitor Controller
Flash Version
FEATURES
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8051 core.
384-bytes internal RAM.
32K-bytes program Flash ROM.
14-channels 5V open-drain PWM DAC, 10 dedicated channels and 4 channels shared with I/O pin.
28 bi-direction I/O pin,12 dedicated pin,12 shared with DAC, 4 shared with DDC/IIC interface.
3-output pin shared with H/V sync output and self test output pins.
SYNC processor for composite separation, polarity and frequency check, and polarity adjustment.
Built-in monitor self-test pattern generator.
Built-in low power reset circuit.
One slave mode IIC interface and one master mode IIC interface.
IIC interface for DDC1/DDC2B and EEPROM, only one EEPROM needed to store DDC1/DDC2B and
display mode information.
Dual 4-bit ADC or 4 channel 6-bit ADC.
Watchdog timer with programmable interval.
40-pin PDIP and 44-pin PLCC package.
GENERAL DESCRIPTION
The MTV112M micro-controller is an 8051 CPU core embedded device specially tailored to CRT monitor
applications. It includes an 8051 CPU core, 384-byte SRAM, 14 built-in PWM DACs, DDC1/DDC2B interface,
24Cxx series EEPROM interface, A/D converter and a 32K bytes internal program Flash ROM.
BLOCK DIAGRAM
STOUT
P1.0-7
X1
P0.0-7
RD
WR
P0.0-7
RD
WR
XFR
HSYNC
H / VSYNC
CONTROL
VSYNC
HBLANK
VBLANK
X2
8051
CORE
INT
1
RST
WATCH-DOG
TIMER
RST
P2.0-3
P3.0-P3.2
14 CHANNEL
PWM DAC
DA0-9
DA10-13
P3.4 P2.4-7
ADC
AD0
AD1
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.
Revision 2.0
-1-
2001/05/18

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