WT6248
Description
The WT6248 is a microcontroller for digital controlled monitor with Universal Serial Bus (USB) interface. It contains an 8-bit CPU, 48K bytes ROM, 1056 bytes RAM, 14 PWMs, parallel I/Os, SYNC signal processor, timer, DDC1/2B interface, master/slave I2C interface, low speed USB device module, 6-bit A/D converter and watch-dog timer.
Key Features
- 8-bit 6502 compatible CPU with 6MHz operating frequency 48K bytes ROM, 1024 bytes SRAM+32 bytes bit-addressable SRAM 12MHz crystal oscillator 14 channels 8-bit PWM outputs Sync signal processor with H+V separation, H/V frequency counter, H/V polarity detection/control and clamp pulse output Six free-running sync signal outputs (Horizontal frequency up to 106KHz 85Hz@1600x1200) Self-test pattern DDC1/2B module for EDID1.3, EDID2.0 and Enhance EDID Fast mode master/slave I2C interface (up to 400KHz) Embedded USB function with endpoint 0 and endpoint 1 Built-in 3.3V regulator for USB transceiver Watch-dog timer Maximum 28 programmable I/O pins One 8-bit programmable timer 6-bit A/D converter with 4 selectable inputs One external interrupt request input Low VDD reset
