WELTREND WT6248-S44, WT6248-N42, WT6248-K42 Datasheet
偉詮電子股份有限公司
Weltrend Semiconductor, Inc.
WT6248
Digital Monitor Controller with USB Function
(ROM Type)
Preliminary Data Sheet
REV. 1.0
Feb. 29, 2000
The information in this document is subject to change without notice.
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:886-3-5780241 FAX:886-3-5794278.5770419
Email:support@weltrend.com.tw
WT6248v1.0
USB Monitor Controller
GENERAL 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.
FEATURES
• 8-bit 6502 compatible CPU with 6MHz operating frequency
• 48K bytes ROM, 1024 bytes SRAM+32 bytes bit addressible SRAM
• 12MHz cry stal 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)
• 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
ORDERING INFORMATION
Package Type Part Number
42-pin PDIP WT6248-N42
42-pin Shrink PDIP WT6248-K42
44-pin SOP WT6248-S44
Weltrend Semiconductor, Inc.
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