Contents

4.3

Interface Registers 4-6

 

 

4.3.1

I/O registers 4-6

 

 

4.3.1.1

Alternate Status register

4-7

4.3.1.2

ATA Command register

4-7

4.3.1.3

Data register

4-7

 

 

4.3.1.4

Device Control register

4-7

 

4.3.1.5

Drive Address register

4-8

 

4.3.1.6

ATAPI Byte Count register

4-8

4.3.1.7

ATAPI Block Device Select register 4-9

4.3.1.8

Error register

4-9

 

 

4.3.1.9

ATA Features register

4-10

 

4.3.1.10

ATAPI Features register

4-10

4.3.1.11

ATA Sector Count register

4-10

4.3.1.12

ATAPI Interrupt Reason register 4-10

4.3.1.13

Sector Number register

4-11

4.3.1.14

ATAPI Status register

4-11

 

4.4

Various Processes

4-13

 

 

4.4.1

Reset response

4-13

 

 

4.4.2Signature 4-14

4.4.3

Defect sector management

4-14

 

4.4.4

Automatic alternate sector assignment function 4-14

4.4.5

Cache function

 

4-15

 

 

4.4.5.1

Data buffer

4-15

 

 

4.4.5.2

Read cache

4-15

 

 

4.4.5.3

MO write cache

4-16

 

 

4.4.6

Media status notification function

4-16

4.4.7

Power management function 4-17

4.4.7.1

Power mode

4-17

 

 

4.4.7.2

Active mode

4-17

 

 

4.4.7.3

Pre-idle mode

 

4-17

 

 

4.4.7.4

Idle mode 4-18

 

 

4.4.7.5

Standby mode

 

4-18

 

 

4.4.7.6

Sleep mode

4-18

 

 

4.4.7.7

Standby timer

 

4-18

 

 

4.4.7.8

Power mode transition

4-19

 

4.4.8

Unsupported functions

4-19

 

4.4.9

LED Indications

4-20

 

 

4.5 ATA Commands

 

4-21

 

 

4.5.1

CHECK POWER MODE (E5h)

4-22

4.5.2

DEVICE RESET (80h)

4-23

 

4.5.3

EXECUTE DEVICE DIAGNOSTIC (90h) 4-23

C156-E205-01EN

xi

 

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Image 16
Fujitsu MCJ3230AP manual Reset response Signature