MTV212A32

MYSON TECHNOLOGY MTV212A32 (Rev. 1.2) 8051 Embedded Monitor Controller Mask ROM Type FEATURES 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 assume...