SLSDM256BU STEC, SLSDM256BU Datasheet - Page 18

• Manufacturer Part Number: SLSDM256BU
• Manufacturer: STEC
• Type: MicroSD Cardr

Specifications of SLSDM256BU

• Density: 256MByte
• Operating Supply Voltage (typ): 3.3V
• Operating Temperature (min): 0C
• Operating Temperature (max): 70C
• Package Type: Not Required
• Pin Count: 8
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (max): 3.6V
• Programmable: Yes
• Lead Free Status / RoHS Status: Compliant

SLSDMxxxB(I)U
4.3
The microSD Card has six registers. Refer to Table to Table for detail.
MID
OID
PNM
PRV
PSN
—
MDT
CRC
—
Register Name
Register
Name
OCR
CSD
SCR
RCA
DSR
CID
Card Registers
Width
128
128
Bit
32
64
16
16
8
16
40
8
32
4
12
7
1
Width
Bit
Card Identification information
Operation Conditions Registers
Card specific information
SD Memory Card’s Special
features
Relative Card Address
Driver Stage Register
[127:120]
[119:104]
[103:64]
[63:56]
[55:24]
[23:20]
[19:8]
[7:1]
[0:0]
CID-slice
Description
Table 15: microSD Card Registers
61000-04581-104, July 2007
Table16: CID Register
Manufacture ID
OEM/Application ID
Product Name
Product Version
Product Serial Number
Reserved
Manufacture Date
Check sum of CID contents
Not used; always=1
This register contains the card identification
information used during the Card Identification phase.
This register describes the operating voltage range
and contains the status bit in the power supply.
This register provides information on how to access
the card content. Some fields of this register are
writeable by PROGRAM_CSD(CMD27).
This register provides information on special features.
This register carries the card address in SD Card
mode.
This register provides an optional function for the
output driver condition.
Industrial Grade microSD Card Datasheet
Description
Function
18