THNCF256MDG Toshiba, THNCF256MDG Datasheet - Page 23

• Manufacturer Part Number: THNCF256MDG
• Description: MEMORY CARD COMPACT FLASH 256MB
• Manufacturer: Toshiba

Specifications of THNCF256MDG

• Memory Size: 256MB
• Memory Type: CompactFLASH
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

6. Cylinder low register
7. Cylinder high register
8. Drive head register
transfer command.
transfer command.
This register contains the low 8-bit of the starting cylinder address, which is started by following sector
This register contains the high 8-bit of the starting cylinder address, which is started by following sector
Obsolete
3~0
This register is used for selecting the Drive number and Head number for the following command.
bit
7
6
5
4
bit7
bit7
bit7
Obsolete (1)
LBA
Obsolete (1)
DRV (Drive select)
Head number
LBA
bit6
bit6
bit6
Name
Obsolete
Cylinder high byte (CHS mode) / LBA 23 ~ 16 (LBA mode)
Cylinder low byte (CHS mode) / LBA 15 ~ 08 (LBA mode)
bit5
bit5
bit5
This bit is normally 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
This bit is normally set to “1”.
This bit is used for selecting the Master (DRV=0) or Slave (DRV=1) in Master/Slave
organization.
This bit is used for selecting the Head number in CHS mode or LBA 27~24 in LBA
mode for the following command. Bit 3 is MSB.
TENTATIVE
DRV
bit4
bit4
bit4
Head number (CHS mode) / LBA 27 ~ 24 (LBA mode)
bit3
bit3
bit3
Function
bit2
bit2
bit2
THNCFxxxxDG Series
2004-05-18 23/44
bit1
bit1
bit1
bit0
bit0
bit0