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MTV212A32 Datasheet

  • MTV212A32

  • 8051 Embedded Monitor Controller Mask ROM Type

  • 23頁

  • ETC

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MYSON
TECHNOLOGY
MTV212A32
(Rev. 1.2)
8051 Embedded Monitor Controller
Mask ROM Type
FEATURES
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8051 core, 12MHz operating frequency.
512-byte RAM, 32K-byte program Mask-ROM.
Maximum 14 channels of 5V open-drain PWM DAC.
Maximum 31 bi-directional I/O pins.
SYNC processor for composite separation/insertion, H/V polarity/frequency check, polarity adjustment
and programmable clamp pulse output.
Built-in self-test pattern generator with four free-running timings.
Built-in low power reset circuit.
Compliant with VESA DDC1/2B/2Bi/2B+ standard.
Dual slave IIC addresses.
Single master IIC interface for internal device communication.
3-channel 6-bit ADC.
Watchdog timer with programmable interval.
40-pin DIP, 42-pin SDIP or 44-pin PLCC package.
GENERAL DESCRIPTIONS
The MTV212A32 micro-controller is an 8051 CPU core embedded device specially tailored to Monitor
applications. It includes an 8051 CPU core, 512-byte SRAM, SYNC processor, 14 built-in PWM DACs,
VESA DDC interface, 3-channel A/D converter and a 32K-byte internal program Mask-ROM.
BLOCK DIAGRAM
P1.0-7
P2.0-2,P2.4-7
P3.0-2
RST
X1
X2
8051
P3.4-5
CORE
P0.0-7
RD
WR
ALE
INT1
P0.0-7
RD
WR
ALE
INT1
XFR
H/VSYNC
CONTROL
STOUT
HBLANK
VBLANK
HSYNC
VSYNC
HCLAMP
HALFV
HALFH
AD0-2
ADC
14 CHANNEL
PWM DAC
ISCL
ISDA
HSCL
HSDA
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 1.2
-1-
2000/07/04

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