MYSON

TECHNOLOGY

MTV312M64

(Rev 0.95)

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 0.95

- 1 -

2001/07/03

FEATURES

•

8051 core, 12MHz operating frequency with double CPU clock option.

•

0.35uM process; 5V/3.3V power supply and I/O; 3.3V core operating.

•

1024-byte RAM; 64K-byte program Flash-ROM support In System Programming (ISP).

•

Maximum 14 channels of PWM DAC.

•

Maximum 31 I/O pins.

•

SYNC processor for composite separation/insertion, H/V polarity/frequency check and polarity adjustment.

•

Built-in low power reset circuit.

•

Built-in self-test pattern generator with four free-running timings.

•

Compliant with VESA DDC1/2B/2Bi/2B+ standard.

•

Dual slave IIC addresses; H/W auto transfer DDC1/DDC2x data.

•

Single master IIC interface for internal device communication.

•

Maximum 4-channel 6-bit ADC.

•

Watchdog timer with programmable interval.

•

40-pin DIP, 42-pin SDIP or 44-pin PLCC package.

GENERAL DESCRIPTIONS

The MTV312M micro-controller is an 8051 CPU core embedded device especially tailored to CRT/LCD

Monitor applications. It includes an 8051 CPU core, 1024-byte SRAM, 14 built-in PWM DACs, VESA DDC

interface, 4-channel A/D converter, and a 64K-byte internal program Flash-ROM.

BLOCK DIAGRAM

AUXRAM &

DDCRAM

DDC & IIC

INTERFACE

ADC

AD0-3

PWM DAC

DA0-13

XFR

P0.0-7

P2.0-3

RD

WR

ALE

INT1

P0.0-7

P2.0-3

RD

WR

ALE

INT1

8051

CORE

P1.0-7

P3.0-2

P3.4-5

P6.0-7

RST

X1

X2

P5.0-6

ISCL

ISDA

HSCL

HSDA

HSYNC

VSYNC

HBLANK

VBLANK

H/VSYNC

CONTROL

AUX

I/O

P4.0-2