SDMJ-32 SanDisk, SDMJ-32 Datasheet - Page 54

• Manufacturer Part Number: SDMJ-32
• Manufacturer: SanDisk
• Type: MultiMedia Cardr

Specifications of SDMJ-32

• Density: 32MByte
• Operating Supply Voltage (typ): 3.3V
• Operating Temperature (min): -25C
• Operating Temperature (max): 85C
• Package Type: MMC
• Mounting: Socket
• Pin Count: 7
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (max): 3.6V
• Programmable: Yes
• Lead Free Status / RoHS Status: Compliant

Revision 1.3
© 2005 SanDisk Corporation
4.6.4
Command Description
All future reserved commands and their responses must be 48 bits long. Responses may
not have any response. Table 4-6 details the MultiMediaCard/RS-MultiMediaCard bus
commands.
Table 4-6
Basic Commands (Class 0 and Class 1)
CMD0
CMD1
CMD2
CMD3
CMD4
CMD5
CMD6
CMD7
CMD8
CMD9
CMD10
Index
CMD
CMD56
Type
Not Supported
Reserved
Reserved
Reserved
Class
CMD
bcr
bcr
bc
ac
ac
ac
ac
[31:0] don’t
care
[31:0] OCR
w/out busy
[31:0] don’t
care
[31:16]RCA
[15:0] don’t
care
[31:16]RCA
[15:0] don’t
care
[31:16]RCA
[15:0] don’t
care
[31:16]RCA
[15:0] don’t
care
Argument
Basic
Command Descriptions
0
Block
Read
2
R1
(from
selected
card
only)
Resp.
R3
R2
R1
R2
R2
---
Block
Write
4-16
4
GO_IDLE_STATE
SEND_OP_COND
ALL_SEND_CID
SEND_RELATIVE_ADDR
SELECT/DESELECT_CARD
SEND_CSD
SEND_CID
Erase
5
MultiMediaCard/RS-MultiMediaCard Product Manual
Abbreviation
Chapter 4 – MultiMediaCard Protocol Description
Protec-
Write
tion
6
Lock
Card
7
cation
Appli-
Spe-
Reset all cards to Idle
State.
state to send their
operation conditions
register content in the
response on the CMD
line.
their CID numbers on
the CMD line.
to the card
Toggles card between
the Stand-by and
Transfer states or
Programming and
Disconnect states. In
both cases, the card is
selected by its own
relative address and
deselected by any other
address; address 0
deselects all.
Sends addressed card’s
card-specific data
(CSD) on the CMD line.
Sends addressed card’s
card identification (CID)
on the CMD line.
cific
Ask all cards in idle
Asks all cards to send
Assign relative address
8
+
Description
Mode
I/O
9
04/22/05
10-
11
R