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C8208

Part # C8208
Description LAN TRANSFORMER, TAPE, 43.5UH, SMD
Category IC
Availability In Stock
Qty 7
Qty Price
1 - 1 $13.21155
2 - 2 $10.50919
3 - 4 $9.90866
5 - 5 $9.20805
6 + $8.20718
Manufacturer Available Qty
INTEL
Date Code: 8400
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Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

SNC82085
12-Channel MIDI/Speech Controller
Ver: 1.5 Sep. 8, 2006
1
================== CONTENTS =================
1 INTRODUCTION.........................................................................................................................3
2 FEATURES ...................................................................................................................................3
3 PIN ASSIGNMENT......................................................................................................................4
4 BLOCK DIAGRAM .....................................................................................................................5
5 FUNCTION DESCRIPTION.......................................................................................................5
5.1. OSCILLATOR................................................................................................................................5
5.2. ROM...........................................................................................................................................6
5.3. RAM...........................................................................................................................................6
5.4. POWER DOWN MODE..................................................................................................................6
5.5. IR FUNCTION...............................................................................................................................7
5.6. I/O PORTS ...................................................................................................................................7
5.7. SAMPLING RATE COUNTERS........................................................................................................7
5.8. AUTO REPETITION.......................................................................................................................8
5.9. VOICE SYNTHESIZER ...................................................................................................................8
5.10. DAC ...........................................................................................................................................8
6 APPLICATION CIRCUIT...........................................................................................................9
7 ABSOLUTE MAXIMUM RATING..........................................................................................12
8 ELECTRICAL CHARACTERISTICS.....................................................................................12
SNC82085
12-Channel MIDI/Speech Controller
Ver: 1.5 Sep. 8, 2006
2
AMENDENT HISTORY
Version Date Description
Ver 1.0 October 07, 2004 First issue
Ver 1.1 November 12, 2004 Modify Application Circuit.
Ver 1.2 March 21, 2005 1. Oscillator R-Type is no connect”. Page5
2. Modify Application Circuit.(Low CLK Mode, 32768,
R-Type, Xin and Xout no connect) Page10
3. Modify Electric Characteristic (Max->Typical) Page12
4. Modify I/O Circuit in Page7
5. Delete Mld Synthesizer in 12-CH
Ver1.3 June 30,2005 1. Modify RAM Block in Page6
2. Modify Application circuit in Low CLK(RC mode)
R=91K, C=200pF.
3. In Application Circuit add R=100 (direct key) in Page9
Ver1.4 November 18,2005 1. Modify Application Circuit add a diode between
VDD“and “VDDVR”@4.5V.
2. Modify Application circuit add R=100 in each input pin
(direct Key)
Ver1.5 September,8,2006 1. Removed Application circuit R=100 in each input pin
(direct key)
SNC82085
12-Channel MIDI/Speech Controller
Ver: 1.5 Sep. 8, 2006
3
1 INTRODUCTION
The SNC82085 is a single chip 12-channel MIDI compatible wave-table/voice
synthesizer. Equipped with a powerful 8-bit controller and 24 I/O pins, it provides a
low-cost MIDI sound system solution. It’s low power consumption and operating range
makes it ideal for all battery operated devices using MIDI or voice synthesis.
2 FEATURES
Single Power Supply 2.4V – 5.5V
Powerful Built-in 8-bit Controller
Three 8-bit I/O ports
384*8 bits RAM
Maximum 64k program ROM
256K*12 shared ROM for program and voice data
Readable ROM code data
12-voice Polyphony through a high-quality speech synthesizer
Mark Event Supported in both Wave and Melody.
Individual adaptive playing speed from 4k-64kHz for all 12 channels
Automatic repetition for each channel
Volume modulation controlled by embedded multiplier
One built-in 10-bit current mode DA converter
Analog Direct Drive speaker circuit.
System clock: 16.384M Hz (RC-type or Crystal Option)
2 MIPS CPU power free to user
Low Voltage Reset
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