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PC8477BVF-1 Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # PC8477BVF-1
Description  Advanced Floppy Disk Controller
Download  54 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC8477BVF-1 Datasheet(HTML) 3 Page - National Semiconductor (TI)

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List of Figures
PC8477B Functional Block Diagram
1-1
PC8477B Pin Diagram for 68 Pin PLCC and 60 Pin PQFP
1-2
IBM
Perpendicular and ISO Formats Supported by Format Command
4-1
PC8477B Data Separator Block Diagram
5-1
Read Data AlgorithmState Diagram
5-2
PC8477B Dynamic Window Margin Performance
5-3
PC8477B Dynamic Window Margin Performance with g3% ISV
5-4
Perpendicular Recording Drive RW Head and Pre-Erase Head
5-5
Clock Timing
6-1
Microprocessor Read Timing
6-2
Microprocessor Write Timing
6-3
DMA Timing
6-4
Reset Timing
6-5
Write Data Timing
6-6
Drive Control Timing
6-7
Read Data Timing
6-8
PC8477B in a PC-AT System
7-1
PC84777B Initialization
7-2
List of Tables
Register Description and Addresses
3-1
Drive Enable Values
3-2
Tape Drive Assignment Values
3-3
Write Precompensation Delays
3-4
Default Precompensation Delays
3-5
Data Rate Select Encoding
3-6
Typical Format Gap Length Values
4-1
DENSEL Encoding
4-2
DENSEL Default Encoding
4-3
Effects of WGATE and GAP
4-4
Sector Size Selection
4-5
SK Effect of Read Data Command
4-6
Result Phase Termination Values with No Error
4-7
SK Effect on Read Deleted Data Command
4-8
Maximum Recalibrate Step Pulses Based on R255 and ETR
4-9
Scan Command Termination Values
4-10
Status Register 0 Termination Codes
4-11
Set Track Register Address
4-12
Step Rate (SRT) Values
4-13
Motor Off Time (MFT) Values
4-14
Motor On Time (MNT) Values
4-15
Verify Command Result Phase Table
4-16
Nominal tICP tDRP Values
6-1
Minimum tWDW Values
6-2
PC8477B – 82077 Parameter Comparison
7-1
Density Encoding
7-2
3


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