THNCFxxxMAA Toshiba, THNCFxxxMAA Datasheet - Page 27

• Manufacturer Part Number: THNCFxxxMAA
• Description: Small Form Factor Card
• Manufacturer: Toshiba

1.Data register:
1.Data register:
1.Data register:
1.Data register: This register is a 16-bit register that has read/write ability, and it is used for transferring 1 sector
data between the card and the host. This register can be accessed in word mode and byte mode. This register
overlaps the Error or Feature register.
bit15
bit15
bit15
bit15 bit14
2.Error register:
2.Error register: This register is a read only register, and it is used for analyzing the error content at the card
2.Error register:
2.Error register:
accessing. This register is valid when the BSY bit in Status register and Alternate Status register are set to
“0”(Ready).
bit7
bit7
bit7
bit7
BBK
bit
bit
bit
bit Name
7
6
4
2
0
3.Feature register:
3.Feature register: This register is write-only register, and provides information regarding features of the drive that
3.Feature register:
3.Feature register:
the host wishes to utilize.
bit7
bit7
bit7
bit7
5. Sector count register:
bit7
bit7
bit7
bit7
Sector count register:
Sector count register:
Sector count register: This register contains the numbers of sectors of data requested to be transferred on a
read or write operation between the host and the card. If the value of this register is zero, a count of 256
sectors is specified. In plural sector transfer, if not successfully completed, the register contains the number of
sectors, which need to be transferred in order to complete, the request.
Name
Name
Name
BBK(Bad Block detected)
UNC(Data ECC error)
IDNF(ID Not Found)
ABRT(ABoRTed command)
AMNF(Address Mark Not Found)
bit14
bit14 bit13
bit14
bit13
bit13 bit12
bit6
bit6
UNC
bit6
bit6
bit6
bit6
bit13
bit6
bit6
bit6
bit6
bit6
bit6
bit12
bit12
bit12 bit11
bit11
bit11 bit10
bit11
bit5
bit5
bit5
bit5
“0”
bit5
bit5
bit5
bit5
bit5
bit5
bit5
bit5
bit10
bit10
bit10 bit9
Function
Function
This bit is set when a Bad Block is detected in requester ID field.
This bit is set when Uncorrectable error is occurred at reading the
card.
The requested sector ID is in error or cannot be found.
This bit is set if the command has been aborted because of the card
status condition.(Not ready, Write fault, Invalid command, etc.)
This bit is set in case of a general error.
Function
Function
bit9
bit9
bit9
bit4
bit4
bit4
bit4
IDNF
bit4
bit4
bit4
bit4
bit4
bit4
bit4
bit4
Sector count byte
Feature byte
bit8
bit8
bit8
bit8
D0 to D15
bit7
bit7
bit7
bit7
bit3
bit3
bit3
bit3
“0”
bit3
bit3
bit3
bit3
bit3
bit3
bit3
bit3
bit6
bit6
bit6
bit6
bit5
bit5
bit5
bit5
bit2
bit2
bit2
bit2
ABRT
bit2
bit2
bit2
bit2
bit2
bit2
bit2
bit2
bit4
bit4
bit4
bit4
bit3
bit3
bit3
bit3
bit1
bit1
bit1
bit1
“0”
bit1
bit1
bit1
bit1
bit1
bit1
bit1
bit1
THNCFxxxMAA Series
bit2
bit2
bit2
bit2
Preliminary version
bit1
bit1
bit1
bit1
bit0
bit0
AMNF
bit0
bit0
bit0
bit0
bit0
bit0
bit0
bit0
bit0
bit0
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bit0
bit0
bit0
bit0