WT6014 Datasheet | Weltrend Semiconductor

DESCRIPTION The WT6014 is a member of WT60XX microcontroller family. It is specially designed for digital controlled multi-sync monitor. It contains 8-bit CPU, 4K bytes ROM, 128 bytes RAM, 14 PWMs, parallel I/O, SYNC processor, timer, DDC interface (slave mode I2C interface with DDC1), and watch-dog timer. FEATURES - 8-bit 6502 patible CPU, 4MHz operating frequency - 4096 bytes ROM, 128 bytes SRAM - 8MHz crystal oscillator - 14 channels 8-bit/62.5k Hz PWM outputs (8 open drain outputs & 6 CMOS outputs) - Sync signal processor with sync separation, frequency calculation, H/V polarity detection control - DDC interface supports VESA DDC1/DDC2B standard - Watch-dog timer (0.524 second) - Maximum 22 programmable I/O pins - One 8-bit programmable timer - One external interrupt request - Built-in low VDD voltage reset - Single +5V power supply PIN ASSIGNMENT 40-Pin PDIP DA2 1 DA1 2 DA0 3 RESET 4 VDD 5 GND 6 OSCO 7 OSCI 8 PB5 9 PB4 10 PB3 11 PB2 12 PB1 13 PB0 14 IRQ 15 PC7 16 PC6 17 PC5 18 PC4 19 PC3 20 40 VSYNC 39 HSYNC 38 DA3 37 DA4 36 DA5 35 DA6 34 DA7 33 PA7/HSO 32 PA6/VSO 31 PA5/DA13 30 PA4/DA12 29 PA3/DA11 28 PA2/DA10 27 PA1/DA9 26 PA0/DA8 25 SCL 24 SDA 23 PC0 22 PC1 21 PC2 42-Pin SDIP DA2 1 DA1 2 DA0 3 RESET 4 VDD 5 6 GND 7 OSCO 8 OSCI 9 PB5 10 PB4 11 PB3 12 PB2 13 PB1 14 PB0 15 IRQ 16 PC7 17 PC6 18 PC5 19 PC4 20 PC3 21 42 VSYNC 41 HSYNC 40 DA3 39 DA4 38 DA5 37 36 DA6 35 DA7 34 PA7/HSO 33 PA6/VSO 32 PA5/DA13 31 PA4/DA12 30 PA3/DA11 29 PA2/DA10 28 PA1/DA9 27 PA0/DA8 26 SCL 25 SDA 24 PC0 23 PC1 22 PC2 - I2C is a trademark of Philips Corporation. - DDC is a trademark of Video Electronics Standard Association (VESA). Weltrend Semiconductor, Inc. Digital Monitor Controller PIN DESCRIPTION Ver. 1.21 Jul-31-1998 Pin No. Pin Name I/O 40 42 Descriptions 11 22 33 44 55 DA2 DA1 DA0 /RESET VDD O D/A converter 2. Open-drain output. External applied voltage can up to 10V. O D/A converter 1. Open-drain output. External applied voltage can up to 10V. O D/A...