Multiword data transfer | Fujitsu C141-E090-02EN instruction

5.6.2Multiword data transfer

Figure 5.9 shows the multiword DMA data transfer timing between the device and the host system.

t0

DMARQ

tC

tJ

DMACK-

DIOR-/DIOW

-

tI

tD

tK

Write data

DD0-DD15

tG

tH

Read data

DD0-DD15

tE

tF

Symbol

Timing parameter

Min.

Max.

Unit

t0

Cycle time

120

—

ns

tC

Delay time from DMACK assertion to DMARQ negation

—

35

ns

tD

Pulse width of DIOR-/DIOW-

70

—

ns

tE

Data setup time for DIOR-

—

30

ns

tF

Data hold time for DIOR-

5

—

ns

tG

Data setup time for DIOW-

20

—

ns

tH

Data hold time for DIOW-

10

—

ns

tI

DMACK setup time for DIOR-/DIOW-

0

—

ns

tJ

DMACK hold time for DIOR-/DIOW-

5

—

ns

tK

Continuous time of high level for DIOR-/DIOW-

25

—

ns

Figure 5.9 Multiword DMA data transfer timing (mode 2)

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C141-E090-01EN

Image 151

Fujitsu C141-E090-02EN manual Multiword data transfer, Dmarq Dmack DIOR-/DIOW

Contents

Disk Drives Product Manual Revision Record This page is intentionally left blank Chapter Preface Conventions for Alert Messages Liability Exception This page is intentionally left blank Contents Interface Theory of Device OperationPage Operations Figures Page Tables This page is intentionally left blank Device Overview Features Functions and performance Interface AdaptabilityPage Specifications Device Specifications Specifications summary Model names and product numbers Model and product number Current and power dissipation +5VDC Current fluctuation Typ. when power is turned on Ready Acoustic noise specificationMPE3102AH MPE3204AH MPE3136AH MPE3273AH Shock and vibration specification Error Rate Disk drive outerview Device Configuration System ConfigurationPage 2 1 drive connection System Configuration ATA interface C141-E090-01EN Dimensions Mounting Cable Connections Jumper Settings Installation Conditions Dimensions Orientation PCA Limitation of side-mountingPage Service area Connector locations Cable Connections Device connector AMP Cable connector specificationsDevice connection +12V Return +5V Return Power supply connector CN1 Cable configuration Host detected CBLID- above VIH 13 Jumper location Jumper Settings Location of setting jumpers 14 Factory default setting Jumper configuration Factory default setting 17 Example 1 of Cable Select 16 Jumper setting of Cable Select 092 This page is intentionally left blank Disk Outline Actuator Head Air filter Circuit Configuration MPE3xxxAH Block diagram Power-on Sequence Power-on operation sequence Self-calibration contents Command processing during self-calibration Self-calibration execution timechart Write circuit Read/write preamplifier PreAMP Read circuit Write clock frequency and transfer rate of each zone Synthesizer circuit Servo control circuit Physical sector servo configuration on disk surface Page Servo frame format Data-surface servo format Data SCD POS PAD ASM SSM Actuator motor control Spindle motor control Page Interface Physical Interface Interface signals Intrq PDIAG-, Cblid DA1 DA2 DA0 Signal assignment on the connectorSignal assignment on the interface connector Reset Intrq DiorHdmardy Hstrobe Ddmardy Iordy 1 I/O registers DA2 DA1 DA0 I/O registers Icrc UNC Idnf Abrt TK0NF Amnf Command block registersPage DEV HS3 HS2 HS1 HS0 BSY Drdy DSC DRQ ERR Page Srst Control block registers Command code and parameters 1 Command code and parameters Command code and parameters 2 LBA Command descriptionsLBA LSB 1F2 HSC Transfer sector count 1F1 HFR = 0 or C141-E090-01EN Read Multiple XC4 BSY Drdy Intrq DRQ Execution example of Read Multiple command 1F2 HSC Transfer sector count 1F1 HFR = 0 or C141-E090-01EN LBA LBA Write Multiple XC5 LBA LSB Write Verify X3C LBA 1F4 HCL Cylinder No. LSB / LBA 1F3 HSN Sector No Identify Device XEC Initialize Device ParametersPage Information to be read by Identify Device command 1 MPE3102AH MPE3136AH MPE3204AH MPE3273AH ‘3FFF’ Information to be read by Identify Device command 2 Information to be read by Identify Device command 3 Information to be read by Identify Device command 4 Identify Device DMA XEE SET Features XEF ‘BB’ Features register values and settable modes‘AA’ ‘AB’Page SET Multiple Mode XC6 Execute Device Diagnostic Diagnostic code LBA LBA Write Buffer XE8 Page Page Page Page XFF Page ’DA’ Features Register values subcommands and functionsPage 1FE 1FF Format of device attribute value data 10 Format of insurance failure threshold value data Page Page Page 11 Contents of security password Page Page Page Page 12 Contents of Security SET Password data Page SET MAX Address F9 Read Native MAX Address F8 Page 14 Command code and parameters Error posting Data transferring commands from device to host ∙ Execute Device Diagnostic ∙ Initialize Device Parameters IOR BSYDrdy DRQ Intrq DRQ Intrq BSY Drdy DRQ Intrq Write Sectors command protocol ∙ SET MAX Address ∙ Read Native MAX Address Commands without data transferBSY Drdy Intrq ∙ Read DMA ∙ Write DMA Other commandsDMA data transfer commands ∙ Read Multiple ∙ Sleep ∙ Write Multiple IOW DRQ Dmarq Dmack Ultra DMA feature set Overview Phases of operation Data in transfer Pausing an Ultra DMA data in burst Terminating an Ultra DMA data in burst Page Page Data out transfer Pausing an Ultra DMA data out burst Terminating an Ultra DMA data out burst Page Ultra DMA CRC rules DIOW-STOP Series termination required for Ultra DMA15 Recommended series termination for Ultra DMA DIOR-HDMARDY-HSTROBE DIOR-/DIOW Timing PIO data transfer Dmarq Dmack DIOR-/DIOW Multiword data transfer 10 Initiating an Ultra DMA data in burst Ultra DMA data transfer Dmardy 16 Ultra DMA data burst timing requirements 2 11 Sustained Ultra DMA data in burst Sustained Ultra DMA data in burst 12 Host pausing an Ultra DMA data in burst Host pausing an Ultra DMA data in burst 13 Device terminating an Ultra DMA data in burst Device terminating an Ultra DMA data in burst 14 Host terminating an Ultra DMA data in burst Host terminating an Ultra DMA data in burst 15 Initiating an Ultra DMA data out burst 16 Sustained Ultra DMA data out burst Sustained Ultra DMA data out burst 17 Device pausing an Ultra DMA data out burst Device pausing an Ultra DMA data out burst 18 Host terminating an Ultra DMA data out burst Host terminating an Ultra DMA data out burst 19 Device terminating an Ultra DMA data out burst BSY Dasp Power-on and resetPdiag Dasp This page is intentionally left blank Operations Pdiag Response to power-on Response to hardware reset Response to software reset Response to diagnostic command MPE3102AH MPE3136AH MPE3204AH MPE3273AH Default parameters Logical address Address translation example in CHS mode Power save mode Address translation example in LBA mode Power SavePage Power commands Alternating defective sectors Spare area Alternate cylinder assignment Data buffer configuration ∙ Read Sector S ∙ Read Multiple ∙ Read DMA Caching operation∙ Write Sectors ∙ Write DMA ∙ Write Multiple HAP Usage of read segmentDAP Mis-hit data Empty data Read-ahead data New read-ahead data Hit data HAP set to hit position for data transfer Partially hit data Lack data Write Cache ∙ Write Sectors ∙ Write Multiple ∙ Write DMA Fujitsu Canada INC Fujitsu Limited