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Weltrend Semiconductor, Inc.
WT6148/WT6160
Digital Monitor Controller
(ROM Type)
Preliminary Data Sheet
REV. 1.02
Sep. 4, 02
The information in this document is subject to change without notice.
Weltrend Semiconductor, Inc. All Rights Reserved.
WT6148/WT6160v1.02
Digital Monitor Controller
GENERAL DESCRIPTION
The WT6148/ WT6160 is a microcontroller for digital controlled monitor. It contains an 8-bit CPU, 48K
/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
• WT6148 : 48K bytes ROM,
WT6160 : 60K 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)
• 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/ WT6160-N42
42-pin Shrink PDIP WT6148/ WT6160-K42
40-pin PDIP WT6148/ WT6160-N40
44-pin SOP WT6148/ WT6160-S44
44-pin PLCC WT6148/ WT6160-L44
Weltrend Semiconductor, Inc.
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