WELTREND WT6148-S44, WT6148-N42, WT6148-N40, WT6148-K42 Datasheet

偉詮電子股份有限公司

Weltrend Semiconductor, Inc.

WT6148

Digital Monitor Controller

(ROM Type)

Preliminary Data Sheet

REV. 1.00

Nov. 22, 1999

The information in this document is subject to change without notice.

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Weltrend Semiconductor, Inc. All Rights Reserved.

新竹市科學工業園區工業東九路 24 號2 樓

2F, No. 24, Industry E. 9th RD., Science-Based Industrial Park, Hsin-Chu, Taiwan
TEL:[phone] FAX:[phone].5770419
Email:[e-mail]

WT6148

Digital Monitor Controller

GENERAL DESCRIPTION

The WT6148 is a microcontroller for digital controlled monitor. It contains an 8-bit CPU, 60K bytes ROM,
1056 bytes RAM, 14 PWMs, parallel I/Os, SYNC signal processor, timer, DDC1/2B interface, master/slave
I2C interface, 6-bit A/D converter and watch-dog timer.

FEATURES

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

• 60K bytes ROM, 1024 bytes SRAM+32 bytes bit addressible 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)

• 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

ORDERING INFORMATION

Package Type Part Number

42-pin PDIP WT6148-N42

42-pin Shrink PDIP WT6148-K42

40-pin PDIP WT6148-N40

44-pin SOP WT6148-S44

Weltrend Semiconductor, Inc.

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