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Fujitsu MPD3173AT Product Manual - Page 74

Table 5.3, I/O registers, Notes

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Table 5.3 I/O registers CS0- CS1- DA2 DA1 I/O registers DA0 Read operation Write operation Command block registers 1 0 0 0 0 Data Data 1 0 0 0 1 Error Register Features 1 0 0 1 0 Sector Count Sector Count 1 0 0 1 1 Sector Number Sector Number 1 0 1 0 0 Cylinder Low Cylinder Low 1 0 1 0 1 Cylinder High Cylinder High 1 0 1 1 0 Device/Head Device/Head 1 0 1 1 1 Status Command 1 1 X X X (Invalid) (Invalid) Control block registers 0 1 1 1 0 Alternate Status Device Control 0 1 1 1 1 - - Host I/O address X'1F0' X'1F1' X'1F2' X'1F3' X'1F4' X'1F5' X'1F6' X'1F7' - X'3F6' X'3F7' Notes: 1. The Data register for read or write operation can be accessed by 16 bit data bus (DATA0 to DATA15). 2. The registers for read or write operation other than the Data registers can be accessed by 8 bit data bus (DATA0 to DATA7). 3. When reading the Drive Address register, bit 7 is high-impedance state. 4. The LBA mode is specified, the Device/Head, Cylinder High, Cylinder Low, and Sector Number registers indicate LBA bits 27 to 24, 23 to 16, 15 to 8, and 7 to 0. C141-E069-02EN 5 - 7

Section	Page
Front title	1
PREFACE	4
CONTENTS	8
FIGURES	12
TABLES	14
CHAPTER 1 DEVICE OVERVIEW	16
1.1 Features	16
1.1.1 Functions and performance	16
1.1.2 Adaptability	17
1.1.3 Interface	17
1.2 Device Specifications	19
1.2.1 Specifications summary	19
1.2.2 Model and product number	20
1.3 Power Requirements	20
1.4 Environmental Specifications	23
1.5 Acoustic Noise	23
1.6 Shock and Vibration	24
1.7 Reliability	24
1.8 Error Rate	25
1.9 Media Defects	25
CHAPTER 2 DEVICE CONFIGURATION	26
2.1 Device Configuration	26
2.2 System Configuration	28
2.2.1 ATA interface	28
2.2.2 1 drive connection	28
2.2.3 2 drives connection	28
CHAPTER 3 INSTALLATION CONDITIONS	30
3.1 Dimensions	30
3.2 Mounting	32
3.3 Cable Connections	36
3.3.1 Device connector	36
3.3.2 Cable connector specifications	37
3.3.3 Device connection	37
3.3.4 Power supply connector (CN1)	38
3.3.5 System configuration for Ultra DMA	38
3.4 Jumper Settings	41
3.4.1 Location of setting jumpers	41
3.4.2 Factory default setting	42
3.4.3 Jumper configuration	42
CHAPTER 4 THEORY OF DEVICE OPERATION	46
4.1 Outline	46
4.2 Subassemblies	46
4.2.1 Disk	46
4.2.2 Head	47
4.2.3 Spindle	49
4.2.4 Actuator	49
4.2.5 Air filter	49
4.3 Circuit Configuration	50
4.4 Power-on Sequence	52
4.5 Self-calibration	54
4.5.1 Self-calibration contents	54
4.5.2 Execution timing of self-calibration	55
4.5.3 Command processing during self-calibration	55
4.6 Read/write Circuit	56
4.6.1 Read/write preamplifier (PreAMP)	56
4.6.2 Write circuit	56
4.6.3 Read circuit	58
4.6.4 Time base generator circuit	59
4.7 Servo Control	59
4.7.1 Servo control circuit	60
4.7.2 Data-surface servo format	63
4.7.3 Servo frame format	63
4.7.4 Actuator motor control	65
4.7.5 Spindle motor control	66
CHAPTER 5 INTERFACE	68
5.1 Physical Interface	69
5.1.1 Interface signals	69
5.1.2 Signal assignment on the connector	70
5.2 Logical Interface	73
5.2.1 I/O registers	73
5.2.2 Command block registers	75
5.2.3 Control block registers	80
5.3 Host Commands	80
5.3.1 Command code and parameters	81
5.3.2 Command descriptions	83
5.3.3 Error posting	133
5.4 Command Protocol	134
5.4.1 Data transferring commands from device to host	134
5.4.2 Data transferring commands from host to device	136
5.4.3 Commands without data transfer	138
5.4.4 Other commands	139
5.4.5 DMA data transfer commands	139
5.5 Ultra DMA feature set	141
5.5.1 Overview	141
5.5.2 Phases of operation	142
5.5.3 Ultra DMA data in commands	142
5.5.3.1 Initiating an Ultra DMA data in burst	142
5.5.3.2 The data in transfer	143
5.5.3.3 Pausing an Ultra DMA data in burst	143
5.5.3.4 Terminating an Ultra DMA data in burst	144
5.5.4 Ultra DMA data out commands	146
5.5.4.1 Initiating an Ultra DMA data out burst	146
5.5.4.2 The data out transfer	147
5.5.4.3 Pausing an Ultra DMA data out burst	147
5.5.4.4 Terminating an Ultra DMA data out burst	148
5.5.5 Ultra DMA CRC rules	150
5.5.6 Series termination required for Ultra DMA	151
5.6 Timing	152
5.6.1 PIO data transfer	152
5.6.2 Multiword data transfer	153
5.6.3 Ultra DMA data transfer	154
5.6.3.1 Initiating an Ultra DMA data in burst	154
5.6.3.2 Ultra DMA data burst timing requirements	155
5.6.3.3 Sustained Ultra DMA data in burst	157
5.6.3.4 Host pausing an Ultra DMA data in burst	158
5.6.3.5 Device terminating an Ultra DMA data in burst	159
5.6.3.6 Host terminating an Ultra DMA data in burst	160
5.6.3.7 Initiating an Ultra DMA data out burst	161
5.6.3.8 Sustained Ultra DMA data out burst	162
5.6.3.9 Device pausing an Ultra DMA data out burst	163
5.6.3.10 Host terminating an Ultra DMA data out burst	164
5.6.3.11 Device terminating an Ultra DMA data in burst	165
5.6.4 Power-on and reset	166
CHAPTER 6 OPERATIONS	168
6.1 Device Response to the Reset	168
6.1.1 Response to power-on	169
6.1.2 Response to hardware reset	170
6.1.3 Response to software reset	171
6.1.4 Response to diagnostic command	172
6.2 Address Translation	173
6.2.1 Default parameters	173
6.2.2 Logical address	174
6.3 Power Save	175
6.3.1 Power save mode	175
6.3.2 Power commands	177
6.4 Defect Management	177
6.4.1 Spare area	178
6.4.2 Alternating defective sectors	178
6.5 Read-Ahead Cache	180
6.5.1 Data buffer configuration	180
6.5.2 Caching operation	181
6.5.3 Usage of read segment	182
6.6 Write Cache	187
Addresses	189
Reader Comment Form	190