MYSON
TECHNOLOGY
MTV212M32
(Rev 1.1)
8051 Embedded Monitor Controller
Flash Type with ISP
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 1.1
- 1 -
2000/07/04
FEATURES
•
8051 core, 12MHz operating frequency.
•
512-byte RAM; 32K-byte program Flash-ROM support In System Programming(ISP).
•
Maximum 14 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, 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.
•
4-channel 6-bit ADC.
•
Watchdog timer with programmable interval.
•
40-pin DIP, 42-pin SDIP or 44-pin PLCC package.
GENERAL DESCRIPTIONS
The MTV212M32 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 Flash-ROM.
BLOCK DIAGRAM
P1.0-7
P2.0-2,P2.4-7
P3.4-5
X1
P0.0-
7
RD
WR
ALE
INT1
X2
8051
P3.2-0
RST
P0.0-
7
RD
WR
ALE
INT1
XFR
STOUT
HBLANK
VBLANK
HSYNC
VSYNC
HCLAMP
HALFV
HALFH
H/VSYNC
CONTROL
ISCL
ISDA
HSCL
HSDA
DDC & IIC
INTERFACE
ADC
AD0-2
14 CHANNEL
PWM DAC
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