THNCF256MAA Toshiba, THNCF256MAA Datasheet - Page 31

• Manufacturer Part Number: THNCF256MAA
• Manufacturer: Toshiba
• Type: CompactFlashr

Specifications of THNCF256MAA

• Density: 256MByte
• Operating Supply Voltage (typ): 3.3/5V
• Operating Temperature (min): 0C
• Operating Temperature (max): 60C
• Package Type: Not Required
• Mounting: Socket
• Pin Count: 50
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (min): 2.97/4.5V
• Operating Supply Voltage (max): 3.63/5.5V
• Programmable: Yes
• Lead Free Status / RoHS Status: Supplier Unconfirmed

Note: FR: Feature register
12. Device control register:
12. Device control register:
12. Device control register:
12. Device control register: This register is write only register, and it is used for controlling the card interrupt
request and issuing an ATA soft reset to the card.
bit7
bit7
bit7
bit7
x
bit
bit
bit
bit
7to 4
3
2
1
0
13.Drive Address register:
13.Drive Address register:
13.Drive Address register:
13.Drive Address register: This register is read only register, and it is used for confirming the drive status. This
register is provides for compatibility with the AT disk drive interface. It is recommended that this register is not
mapped into the host’s I/O space because of potential conflicts on bit7.
bit7
bit7
bit7
bit7
x
bit
bit
bit
bit
7
6
5 to 2
1
0
Name
Name
Name
Name
X
1
SRST(Software ReSeT)
nIEN(Interrupt Enable)
0
Name
Name
Name
Name
X
nWTG(WriTing Gate)
nHS3-0(Head Select3-0)
nDS1(Idrive Select1)
nDS0(Idrive Select0)
SC: Sector Count register
SN: Sector Number register
CY: Cylinder register
DR: DRV bit of Drive Head register
HD: Head Number of Drive Head register
LBA: Logical Block Address Mode Supported
Y: The register contains a valid parameter for this command
N: The register does not contain a valid parameter for this command
bit6
bit6
x
bit6
bit6
nWTG
bit6
bit6
bit6
bit6
bit5
bit5
bit5
bit5
x
bit5
bit5
bit5
bit5
nHS3
bit4
bit4
bit4
bit4
x
bit4
bit4
bit4
bit4
nHS2
Function
Function
don’t care
This bit is set to “1”.
This bit is set to “1” in order to force the card to perform Task File
Reset operation. This does not change the Card Configuration
registers as a Hardware Reset does. The card remains in Reset until
this bit is reset to “0”.
This bit is used for enabling –IREQ. When this bit is set to “0”,
-IREQ is enabled. When this bit is set to “1”, -IREQ is disabled.
This bit is set to “0”.
Function
Function
This bit is unknown.
This bit is unknown.
These bits is the negative value of Head Select bits(bit 3 to 0)in
Drive/Head register.
This bit is unknown.
This bit is unknown.
Function
Function
Function
Function
bit3
bit3
bit3
bit3
1
bit3
bit3
bit3
bit3
nHS1
bit2
bit2
bit2
bit2
SRST
bit2
bit2
bit2
bit2
nHS0
bit1
bit1
nIEN
bit1
bit1
nDS1
bit1
bit1
bit1
bit1
THNCFxxxMAA Series
Preliminary version
bit0
bit0
bit0
bit0
0
bit0
bit0
bit0
bit0
nDS0
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