MTV012E

MYSON TECHNOLOGY MTV012E 8051 Embedded CRT Monitor Controller OTP Version FEATURES 8051 core. 256 bytes internal RAM. 8K bytes program EPROM. 14 channels 12V open drain PWM DAC, 10 dedicated channels and 4 channels shared with I/O pin. 20 bi-direction I/O pin, 12 dedicated pin, 4 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 adjust. Built-in monitor self test pattern generator. Built-in Low Power Reset circuit. IIC interface for DDC1/DDC2B and EEPROM, only one EEPROM needed to store DDC1/DDC2B and display mode information. Watch dog timer with programmable interval. 40 pin PDIP package. GENERAL DESCRIPTION The MTV012E micro-controller is an 8051 CPU core-embedded device specially tailored to CRT monitor applications. It includes an 8051 CPU core, 256-byte SRAM, 14 built-in PWM DACs, DDC1/DDC2B interface, 24Cxx series EEPROM interface and an 8K-byte internal program EPROM. 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 INT1 WATCH-DOG TIMER RST P2.0-3 P3.0-P3.2 RST 14 CHANNEL PWM DAC DA0-9 DA10-13 P3.4 P2.4-7 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 r...