SMS512DFA5E NUMONYX, SMS512DFA5E Datasheet - Page 36

• Manufacturer Part Number: SMS512DFA5E
• Description: MICROSD CARD SMS 512MB FLASH MEM
• Manufacturer: NUMONYX

Specifications of SMS512DFA5E

• Memory Size: 512MB
• Memory Type: SD (Secure Digital)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Card registers
5.4
5.5
5.6
Table 25.
1. R = readable.
36/60
SCR structure
SD memory card - specification.
Version
Data_status_after erases
SD security support
DAT bus width supported
Reserved
Reserved for manufacturer usage
Description
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.
DSR register (optional)
The 16-bit driver stage register is not used in Numonyx cards.
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 bits.
This register is programmed in the factory by the SD memory card manufacturer.
describes the SCR contents.
SCR fields
–
–
SCR_STRUCTURE
SD_SPEC
DATA_STAT_AFTER_ERASE
SD_SECURITY
SD_BUS_WIDTHS
Field
Width
16
32
4
4
1
3
4
Cell type
R
R
R
R
R
R
R
(1)
SMSxxxDF
SCR slice
Table 25
[63:60]
[59:56]
[55:55]
[54:52]
[51:48]
[47:32]
[31:0]