[Weltrend Semiconductor, Inc.]

GENERAL DESCRIPTION

The WT6132/WT6124/WT6116 is a microcontroller for digital controlled monitor with Universal Serial Bus (USB) interface. It contains an 8-bit CPU, 32K/24K/16K bytes ROM, 512/384 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.

FEATURES

• 8-bit 6502 compatible CPU with 6MHz operating frequency

• WT6132 - 32768 bytes ROM, 512 bytes RAM

WT6124 - 24576 bytes ROM, 512 bytes RAM

WT6116 - 16384 bytes ROM, 384 bytes RAM

• 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)

• Self-test pattern

• DDC1/2B supported

• Fast mode master/slave I2C interface (up to 400KHz)

• 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