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PC8477BV-1 Datasheet(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # PC8477BV-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)

PC8477BV-1 Datasheet(HTML) 2 Page - National Semiconductor (TI)

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Table of Contents
10 INTRODUCTION
20 PIN DESCRIPTION
30 REGISTER DESCRIPTION
31 Status Register A (SRA)
311 SRAPS2 Mode
312 SRAModel 30 Mode
32 Status Register B (SRB)
321 SRBPS2 Mode
322 SRBModel 30 Mode
33 Digital Output Register (DOR)
34 Tape Drive Register (TDR)
35 Main Status Register (MSR)
36 Data Rate Select Register (DSR)
37 Data Register (FIFO)
38 Digital Input Register (DIR)
381 DIRPC-AT Mode
382 DIRPS2 Mode
383 DIRModel 30 Mode
39 Configuration Control Register (CCR)
391 CCRPC-AT and PS2 Modes
392 CCRModel 30 Mode
310 Result Phase Status Registers
3101 Status Register 0 (ST0)
3102 Status Register 1 (ST1)
3103 Status Register 2 (ST2)
3104 Status Register 3 (ST3)
40 COMMAND SET DESCRIPTION
41 Command Set Summary
42 Command Description
421 Configure Command
422 Dumpreg Command
423 Format Command
424 Invalid Command
425 Lock Command
426 Mode Command
427 NSC Command
428 Perpendicular Mode Command
429 Read Data Command
4210 Read Deleted Data Command
4211 Read ID Command
4212 Read A Track Command
4213 Recalibrate Command
4214 Relative Seek Command
4215 Scan Commands
4216 Seek Command
4217 Sense Drive Status Command
4218 Sense Interrupt Command
4219 Set Track Command
4220 Specify Command
4221 Verify Command
4222 Version Command
4223 Write Data Command
4224 Write Deleted Data Command
50 FUNCTIONAL DESCRIPTION
51 Microprocessor Interface
52 Modes of Operation
53 Controller Phases
531 Command Phase
532 Execution Phase
5321 DMA ModeFIFO Disabled
5322 DMA ModeFIFO Enabled
5323 Interrupt ModeFIFO Disabled
5324 Interrupt ModeFIFO Enabled
5325 Software Polling
533 Result Phase
534 Idle Phase
535 Drive Polling Phase
54 Data Separator
55 Crystal Oscillator
56 Dynamic Window Margin Performance
57 Perpendicular Recording Mode
58 Data Rate Selection
59 Write Precompensation
510 Low Power Mode Logic
511 Reset Operation
60 DEVICE DESCRIPTION
61 DC Electrical Characteristics
62 AC Electrical Characteristics
621 AC Test Conditions
622 Clock Timing
623 Microprocessor Read Timing
624 Microprocessor Write Timing
625 DMA Timing
626 Reset Timing
627 Write Data Timing
628 Drive Control Timing
629 Read Data Timing
70 REFERENCE SECTION
71 Mnemonic Definitions for PC8477B Commands
72 PC8477B Enhancements vs 82077AA
73 PC8477B Interface in a PC-AT
74 Software Initialization Sequence
75 PC8477BPC8477A differences
76 Revision History
2


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