hb286075a1 HITACHI, hb286075a1 Datasheet - Page 28

• Manufacturer Part Number: hb286075a1
• Description: Mega Byte Flash Card
• Manufacturer: HITACHI

HB286075A1, HB286060A1, HB286045A1, HB286030A1, HB286015A1
6. Cylinder low register: This register contains the low 8 bits of the starting cylinder address which is
started by following sector transfer command.
bit7
7. Cylinder low register: This register contains the low 8 bits of the starting cylinder address which is
started by following sector transfer command.
bit7
8. Drive head register: This register contains the high 8 bits of the starting cylinder address which is started
by following sector transfer command.
bit7
1
Note: DRV: Drive number
bit
7
6
5
4
3 to 0 Head number
28
Name
1
LBA
1
DRV (DRiVe select)
Head number: Head number
bit6
bit6
bit6
LBA
bit5
bit5
bit5
1
bit4
bit4
bit4
DRV
Function
This bit is set to "1".
LBA is a flag to select either Cylinder / Head / Sector (CHS) or
Logical Block Address (LBA) mode. When LBA=0, CHS mode is
selected. When LBA=1, LBA mode is selected. In LBA mode, the
Logical Block Address is interrupted as follows:
This bit is set to "1".
This bit is used for selecting the Master (Card 0) and Slave (Card 1)
in Master/Slave organization. The card is set to be Card 0 or 1 by
using DRV# of the Socket and Copy register.
This bit is used for selecting the Head number for the following
command. Bit 3 is MSB.
LBA07-LBA00 : Sector Number Register D7-D0.
LBA15-LBA08 : Cylinder Low Register D7-D0.
LBA23-LBA16 : Cylinder High Register D7-D0.
LBA27-LBA24 : Drive / Head Register bits HS3-HS0.
Cylinder high byte
Cylinder low byte
Head number
bit3
bit3
bit3
bit2
bit2
bit2
bit1
bit1
bit1
bit0
bit0
bit0