Power-on and reset, BSY Dasp, Pdiag Dasp | Fujitsu MPF3XXXAH

[Master device]

BSY

DASP- [Slave device]

BSY

5.6.4Power-on and reset

Figure 5.20 shows power-on and reset (hardware and software reset) timing.

(1)Only master device is present

Clear Reset *1

Power-on

RESET-tM

Software reset

tN

BSY

DASP-

tP

*1: Reset means including Power-on-Reset, Hardware Reset (RESET-), and Software Reset.

(2)Master and slave devices are present (2-drives configuration)

Clear Reset

tN

tQ

tP

PDIAG-

tS

DASP-

tR

Symbol

Timing parameter

Min.

Max.

Unit

tM

Pulse width of RESET-

25

—

μs

tN

Time from RESET- negation to BSY set

—

400

ns

tP

Time from RESET- negation to DASP- or DIAG- negation

—

1

ms

tQ

Self-diagnostics execution time

—

30

s

tR

Time from RESET- negation to DASP- assertion (slave device)

—

400

ms

tS

Duration of DASP- assertion

—

31

s

Figure 5.20 Power-on Reset Timing

C141-E106-01EN

5 - 99

Image 166

Fujitsu MPF3XXXAH manual Power-on and reset, BSY Dasp, Pdiag Dasp

Contents

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DiorHdmardy Pidag Ddmardy IordyDstrobe Logical Interface 1 I/O registers I/O registers DA2 DA1 DA0 Command block registers Icrc UNC Idnf Abrt TK0NF AmnfPage DEV HS3 HS2 HS1 HS0 BSY Drdy DSC DRQ ERR Page Control block registers Host CommandsSrst Command code and parameters Command code and parameters 1 Command code and parameters 2 LBA Command descriptionsLBA LSB 1F2 HSC Transfer sector count 1F1 HFR = 0 or C141-E106-01EN Read Multiple XC4 Execution example of Read Multiple command BSY Drdy Intrq DRQ 1F3 HSN Start sector No 1F4 HCL End cylinder No. LSB LBA Write Multiple XC5 LBA Write Verify X3C LBA 1F2 HSC 1F1 HER Error information C141-E106-01EN Initialize Device Parameters Identify Device XEC 7DEOH ,QIRUPDWLRQWREHUHDGE\,17,9,&FRPPDQGRI 7DEOH ,QIRUPDWLRQWREHUHDGE\,17,9,&FRPPDQGRI 0DQXIDFWXUHUVUHFRPPHQGHG0$WUDQVIHUF\FOHWLPHQV@ LW5HVHUYHG LW5HOHDVH,QWHUUXSWVXSSRUWHG LW 8QGHILQHG SET Features XEF Identify Device DMA XEE 1RRSHUDWLRQ UlyhrshudwlrqprghQdeohvwkhzulwhfdfkhixqfwlrq 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7KHGHYLFHUHVHWV,1754WKHLQWHUUXSWVLJQDO‡‡‡ ‡‡‡‡ Ljxuh 5,76&7256FRPPDQGSURWRFRO ∙ SET MAX Address ∙ Read Native MAX Address Commands without data transferBSY Drdy Intrq ∙ Read Multiple ∙ Sleep ∙ Write Multiple Other commandsDMA data transfer commands ∙ Read DMA ∙ Write DMA DRQ Dmarq Dmack IOW Ultra DMA feature set Overview Phases of operation Pausing an Ultra DMA data in burst Data in transfer Terminating an Ultra DMA data in burst Page Page Pausing an Ultra DMA data out burst Data out transfer Terminating an Ultra DMA data out burst Page Ultra DMA CRC rules 7DEOH 5HFRPPHQGHGVHULHVWHUPLQDWLRQIRU8OWUD0$ 6LJQDO 6HULHVWHUPLQDWLRQUHTXLUHGIRU8OWUD0$9FF Timing PIO data transfer DIOR-/DIOW Multiword data transfer Dmarq Dmack DIOR-/DIOW Ghylfh 8OWUD0$GDWDWUDQVIHUQLWLDWLQJDQ8OWUD0$GDWDLQEXUVW Krvw Name Mode Comment MIN MAX When sender terminates a burst 16 Ultra DMA data burst timing requirements 2 Dwkrvw 6XVWDLQHG8OWUD0$GDWDLQEXUVWDwghylfh Ljxuh 6XVWDLQHG8OWUD0$GDWDLQEXUVW Ghylfh 1RWHV +RVWSDXVLQJDQ8OWUD0$GDWDLQEXUVWLjxuh +RVWSDXVLQJDQ8OWUD0$GDWDLQEXUVW +0$5 HYLFHWHUPLQDWLQJDQ8OWUD0$GDWDLQEXUVWLjxuh HYLFHWHUPLQDWLQJDQ8OWUD0$GDWDLQEXUVW +RVWWHUPLQDWLQJDQ8OWUD0$GDWDLQEXUVW Ljxuh +RVWWHUPLQDWLQJDQ8OWUD0$GDWDLQEXUVW +6752% Krvw QLWLDWLQJDQ8OWUD0$GDWDRXWEXUVWGHYLFHW8 Ljxuh ,QLWLDWLQJDQ8OWUD0$GDWDRXWEXUVW Dwghylfh 1RWH 6XVWDLQHG8OWUD0$GDWDRXWEXUVW+6752% Ljxuh 6XVWDLQHG8OWUD0$GDWDRXWEXUVW $5 Ghylfh +6752% Krvw HYLFHSDXVLQJDQ8OWUD0$GDWDRXWEXUVWLjxuh HYLFHSDXVLQJDQ8OWUD0$GDWDRXWEXUVW +RVWWHUPLQDWLQJDQ8OWUD0$GDWDRXWEXUVW Ljxuh +RVWWHUPLQDWLQJDQ8OWUD0$GDWDRXWEXUVW Ljxuh HYLFHWHUPLQDWLQJDQ8OWUD0$GDWDRXWEXUVW BSY Dasp Power-on and resetPdiag Dasp This page is intentionally left blank Chapter Operations Response to power-on Pdiag Response to hardware reset Response to software reset Response to diagnostic command Default parameters MPF3102AH MPF3153AH MPF3204AH Ljxuhvkrzvdqhdpsohdvvxplqjwkhuhlvqrwudfnvnhz Rjlfdodgguhvv+6PRGH Ljxuh $GGUHVVWUDQVODWLRQHDPSOHLQ&+6PRGH Ljxuh $GGUHVVWUDQVODWLRQHDPSOHLQ/%$PRGH $PRGHLjxuhvkrzvdqhdpsohridvvxplqjwkhuhlvqrwudfnvnhz 3RZHU6DYH Gohprgh $FWLYHPRGH$GHYLFHHQWHUVWKHDFWLYHPRGHXQGHUWKHIROORZLQJFRQGLWLRQV 5HVHWKDUGZDUHRUVRIWZDUH Power commands QGH 6SDUHDUHD6SDUHF\OLQGHUIRUDOWHUQDWLYHDVVLJQPHQW Ljxuh 6HFWRUVOLSSURFHVVLQJ $OWHUQDWH \OLQGHU$OUHDG\ $OWHUQDWHF\OLQGHUDVVLJQPHQWKhqdzulwhhuururffxuvdqgwkhhuurugrhvqrwuhfryhuhg Dwdexiihufrqiljxudwlrq 5HDG$KHDG&DFKHLjxuh Dwdexiihufrqiljxudwlrq ∙ 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 XVLQHVV3ODQQLQJ