MYSON
TECHNOLOGY
MTV312M64
(Rev 0.99)
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 0.99
- 1 -
2001/07/26
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
•
Flash-ROM program code protection selection
•
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 for 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
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
RST
X1
X2
ADC
AD0-3
PWM DAC
DA0-13
DDC & IIC
INTERFACE
ISCL
ISDA
HSCL
HSDA
AUXRAM &
DDCRAM
HSYNC
VSYNC
HBLANK
VBLANK
H/VSYNC
CONTROL
P6.0-7
P5.0-6
AUX
I/O
P4.0-2