SDSDM-128-J SanDisk, SDSDM-128-J Datasheet - Page 25
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SDSDM-128-J
Manufacturer Part Number
SDSDM-128-J
Description
MEMORY CARD MINI SD 128MB
Manufacturer
SanDisk
Datasheet
1.SDSDQ-1024.pdf
(40 pages)
Specifications of SDSDM-128-J
Memory Size
128MB
Memory Type
Memory Card - miniSD™
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
© 2007 SanDisk Corporation
SanDisk SD Card Product Family Product Manual
Bus Topology
Hot Insertion and Power Protection
SD Bus
SPI Bus
Table 3-2
Each card has a set of information registers. Register descriptions and SDA references are pro-
vided in Section 5.0 of the SDA Physical Layer Specification, Version 2.00.
Table 3-3
The family of SanDisk SD products supports two communication protocols: SD and SPI. For
more details, refer to Section 3.5 of the SDA Physical Layer Specification, Version 2.00.
Section 6 of the specification contains a bus circuitry diagram for reference.
For more details, refer to Section 3.5.1 of the SDA Physical Layer Specification, Version 2.00.
For more details, refer to Section 3.5.2 of the SDA Physical Layer Specification, Version 2.00.
Refer to Section 6.1 and Section 6.2 of the SDA Physical Layer Specification, Version 2.00.
microSD Card
Register Abbreviation
Pin No.
11
1
2
3
4
5
6
7
8
OCR
RCA
CSD
SCR
SSR
CSR
CID
SPI Mode Pin Assignment
SD Card Product Family Register Overview
DataOut
DataIn
Name
SCLK
RSV
RSV
V
V
NC
CS
DD
SS
Width (in bits)
128
128
512
16
64
32
32
O/PP
Type
—
—
—
S
S
I
I
I
3-3
Card Specific Data
SD Configuration Register
Operation Condition Register
SD Status Register
Card Identification Number
Relative Card Address
Card Status Register
For future use
Reserved
Chip Select (active low)
Data in
Supply Voltage
Clock
Supply Voltage Ground
Data out
Reserved
Register Name
Description
Interface Description
Rev. 2.1, 07/07