PC8477B datasheet(2/54 Pages) NSC

2 / 54 page

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

PC8477B 数据表(PDF) 2 Page - National Semiconductor (TI)

PC8477B 数据表(HTML) 2 Page - National Semiconductor (TI)

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