ImageQuest Q770 - Critical Parts Specification; General Description

Critical Parts Specification
GENERAL DESCRIPTION
The WT62P1 is a microcontroller for digital controlled monitor with Universal Serial Bus(USB)interface.
It contains an 8-bit CPU, 32k bytes flash memory, 512 bytes RAM, 14 PWMs, parallel I/Os, SYNC signal
processor, time, DDC 1/2B 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
• 32768 bytes flash memory, 512 bytes SRAM.
• 12 MHz crystal oscillator
• 4 channels processor with H+V separation , H/V frequency counter, H/V polarity
detection/control and clamp pulse output
• 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
• DDC 1/2B supported
• Fast mode master slave I
2
C interface(up to 400KHz)
• Embedded USB function with endpoint 0 and endpoint 1
• Built-In 3.3V regulator for USB tranceiver
• Watch-dog timer
• Maximum 28 progammable I/O pins
• One 8-bit programmable timer
• 6-bit A/D converter with 4 selectable inputs
• One external interrupt request input
• Low V
DD
reset
ORDERINF ING ORMATION
Q770 Technical Service Manual
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MC68HC705BD7B
WT62P1
Package Type
42-pin PDIP
42-oin shrink PDIP
40-pin PDIP
28-pin skinny PDIP
44--pin SOP
Part Number
WT62P1-N42
WT62P1-K42
WT62P1-N40
WT62P1-N28
WT62P1-S44