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SMS01GAF 데이터시트(PDF) 34 Page - Numonyx B.V

부품명 SMS01GAF
상세설명  64 MByte, 128 MByte, 256 MByte 512 MByte and 1 GByte, 3.3V Supply Secure Digital??Card
PDF  61 Pages
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제조업체  NUMONYX [Numonyx B.V]
홈페이지  http://www.numonyx.com
Logo NUMONYX - Numonyx B.V

SMS01GAF 데이터시트(HTML) 34 Page - Numonyx B.V

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Card registers
SMSxxxAF, SMSxxxFF, SMSxxxBF
34/61
5.4
RCA Register
The writable 16-bit Relative Card Address Register contains the card address published by
the card during the identification phase. This address is used for addressed host-card
communications after the card identification phase. The default value of the RCA register is
0000h. This value is reserved, the CMD7 command uses it to set all the cards to the
Standby state.
5.5
DSR Register (Optional)
The 16-bit Driver Stage Register is not used in Numonyx Cards.
5.6
SCR Register
The SD Card Configuration Register (SCR) is a configuration register. The SCR provides
information on the special features that are configured in the SD Memory Card. The size of
SCR Register is 64 bit.
This register is programmed in the factory by the SD Memory Card manufacturer. Table 23
describes the SCR contents.
temporary write protection
TMP_WRITE_PROTECT
1
R/W
[12:12]
File format
FILE_FORMAT
2
R/W(1)
[11:10]
reserved
-
2
R/W
[9:8]
CRC
CRC
7
R/W
[7:1]
not used, always'1
-
1
-
[0:0]
1.
R = readable, W(1) = can be written once, W = can be written several times.
Table 22.
CSD Fields Compatible with CSD Structure V1 / MM Card Specification V2.11
Name
Field
Width
Cell Type(1)
CSD-slice
Table 23.
SCR Fields
Description
Field
Width
Cell Type(1)
SCR Slice
SCR Structure
SCR_STRUCTURE
4
R
[63:60]
SD Memory Card - Specification.
Version
SD_SPEC
4
R
[59:56]
data_status_after erases
DATA_STAT_AFTER_ERASE
1
R
[55:55]
SD Security Support
SD_SECURITY
3
R
[54:52]
DAT Bus width supported
SD_BUS_WIDTHS
4
R
[51:48]
reserved
-
16
R
[47:32]
reserved for manufacturer usage
-
32
R
[31:0]
1.
R = readable.



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