WT6018

WT6018 Digital Monitor Controller Ver. 1.41 Jul-31-1998 GENERAL DESCRIPTION The WT6018 is a member of WT60XX microcontroller family. It is specially designed for digital controlled multi-sync monitor. It contains 8-bit CPU, 8K bytes ROM, 288 bytes RAM, 14 PWMs, parallel I/O, SYNC processor, timer, DDC interface (slave mode I2C interface with DDC1), two 4-bit A/D convertors and watch-dog timer. FEATURES * 8-bit 6502 compatible CPU, 4MHz operating frequency * 8192 bytes ROM, 288 bytes SRAM * 8MHz crystal oscillator * 14 channels 8-bit/62.5kHz PWM outputs (8 open drain outputs & 6 CMOS outputs) * Sync signal processor with H+V separation, frequency calculation, H/V polarity detection/control * Three free-running sync signal outputs for burn-in test (64kHz/62.5Hz, 48kHz/75Hz, 31kHz/60Hz) * Self-test pattern generator generates cross hatch picture * Provide half frequency input and output * DDC interface supports VESA DDC1/DDC2B standard * Watch-dog timer (0.524 second) * Maximum 25 programmable I/O pins * One 8-bit programmable timer * Two 4-bit A/D converter * One external interrupt request * Built-in low VDD voltage reset * +5V power supply PIN ASSIGNMENT 40-Pin PDIP DA2 DA1 DA0 RESET VDD GND OSCO OSCI PB5 PB4 PB3/PAT PB2 PB1/HLFI PB0/HLFO PB6/IRQ PC7 PC6 PC5 PC4 PC3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 VSYNC HSYNC DA3 DA4 DA5 DA6 DA7 PA7/HSO PA6/VSO PA5/DA13 PA4/DA12 PA3/DA11 PA2/DA10 PA1/DA9 PA0/DA8 ...