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PC87306 Datasheet(PDF) 3 Page - National Semiconductor (TI) |
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PC87306 Datasheet(HTML) 3 Page - National Semiconductor (TI) |
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3 / 110 page  Table of Contents 10 PIN DESCRIPTION 20 CONFIGURATION REGISTERS 21 Overview 22 Software Configuration 23 Hardware Configuration 24 Index and Data Registers 25 Base Configuration Registers 251 Function Enable Register 252 Function Address Register 253 Power and Test Register 254 Function Control Register 255 Printer Control Register 256 KBC and RTC Control Register 257 Power Management Control Register 258 Tape UARTs and Parallel Port Configuration Register 259 SuperIO Identification Register 2510 Advanced SuperIO Configuration Register 2511 Chip Select 0 Low Address 2512 Chip Select 0 High Address 2513 Chip Select 0 Configuration Register 2514 Chip Select 1 Low Address 2515 Chip Select 1 High Address 2516 Chip Select 1 Configuration Register 2517 InfraRed Configuration Register 2518 General Purpose IO Port Base Address Configuration Register 2519 SuperIO Configuration Register 0 2520 SuperIO Configuration Register 1 2521 LPT Base Address Register 2522 Plug and Play Configuration 0 Register 2523 Plug and Play Configuration 1 Register 26 Power-Down Options 27 Power-Up Procedure and Considerations 271 UART Power-Up 272 FDC Power-Up 30 FDC REGISTER DESCRIPTION 31 FDC Control Registers 311 Status Register A (SRA) Read Only 312 Status Register B (SRB) Read Only 313 Digital Output Register (DOR) ReadWrite 314 Tape Drive Register (TDR) ReadWrite 315 Main Status Register (MSR) Read Only 316 Data Rate Select Register (DSR) Write Only 317 Data Register (FIFO) ReadWrite 318 Digital Input Register (DIR) Read Only 319 Configuration Control Register (CCR) Write Only 32 Result Phase Status Registers 321 Status Register 0 (ST0) 322 Status Register 1 (ST1) 30 FDC REGISTER DESCRIPTION (Continued) 323 Status Register 2 (ST2) 324 Status Register 3 (ST3) 40 FDC COMMAND SET DESCRIPTION 41 Command Descriptions 411 Configure Command 412 Dumpreg Command 413 Format Track Command 414 Invalid Command 415 Lock Command 416 Mode Command 417 NSC Command 418 Perpendicular Mode Command 419 Read Data Command 4110 Read Deleted Data Command 4111 Read ID Command 4112 Read A Track Command 4113 Recalibrate Command 4114 Relative Seek Command 4115 Scan Commands 4116 Seek Command 4117 Sense Drive Status Command 4118 Sense Interrupt Command 4119 Set Track Command 4120 Specify Command 4121 Verify Command 4122 Version Command 4123 Write Data Command 4124 Write Deleted Data Command 42 Command Set Summary 43 Mnemonic Definitions for FDC Commands 50 FDC 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 Perpendicular Recording Mode 57 Data Rate Selection 58 Write Precompensation 3 |
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