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TSXGSDHC6V 参数 Datasheet PDF下载

TSXGSDHC6V图片预览
型号: TSXGSDHC6V
PDF下载: 下载PDF文件 查看货源
内容描述: 4GB 〜 16GB SDHC6高清视频卡 [4GB~16GB SDHC6 HD Video Card]
分类和应用:
文件页数/大小: 24 页 / 585 K
品牌: TRANSCEND [ TRANSCEND INFORMATION. INC. ]
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HD Video Card Series  
4GB~16GB SDHC6 HD Video Card  
C_SIZE  
This field is expanded to 22 bits and can indicate up to 2 TBytes (It is the same as the maximum memory space specified  
by a 32-bit block address.)  
This parameter is used to calculate the user data area capacity in the SD memory card (not include the protected area).  
The user data area capacity is calculated from C_SIZE as follows: memory capacity = (C_SIZE+1) * 512K byte  
As the maximum capacity of the Physical Layer Specification Version 2.00 is 32 GB, the upper 6 bits of this field shall be  
set to 0.  
ERASE_BLK_EN  
This field is fixed to 1, which means the host can erase one or multiple units of 512 bytes.  
SECTOR_SIZE  
This field is fixed to 7Fh, which indicates 64 KBytes. This value does not relate to erase operation. Version 2.00 cards  
indicates memory boundary by AU size and this field should not be used.  
WP_GRP_SIZE  
This field is fixed to 00h. The High Capacity SD Memory Card does not support write protected groups.  
WP_GRP_ENABLE  
This field is fixed to 0. The High Capacity SD Memory Card does not support write protected groups.  
R2W_FACTOR  
This field is fixed to 2h, which indicates 4 multiples. Write timeout can be calculated by multiplying the read access time  
and R2W_FACTOR. However, the host should not use this factor and should use 250 ms for write timeout  
WRITE_BL_LEN  
This field is fixed to 9h, which indicates WRITE_BL_LEN=512 Byte.  
WRITE_BL_PARTIAL  
This field is fixed to 0, which indicates partial block read is inhibited and only unit of block access is allowed.  
FILE_FORMAT_GRP  
This field is set to 0. Host should not use this field.  
17  
Transcend Information Inc.