SDMJ-32 SanDisk, SDMJ-32 Datasheet - Page 84

• 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
5.23.2
Data Read
Figure 5-21
Card Response to Host Command
Figure 5-22
This section provides valuable information on the Data Read function.
Figure 5-23
Multiple Block Read— Stop transmission is sent between blocks
Figure 5-24
The timing for de-asserting the CS signal after the last card response is identical to a
standard command/response transaction.
Multiple Block Read—Stop transmission is sent within a block
Figure 5-25
CS
DataIn
DataIn
Card Response to Host Command
CS
DataIn
DataOut
CS
CS
DataOut
CS
DataOut
DataIn
DataOut
DataIn
DataOut
H
X
Z
H
X
Z
L
H
H
H
X
Z
H
X
Z
L
H
Z
L
H
Z
L
H
H
L
H
Z
L
H
Z
N
N
L
CS
H
H
L
N
H
H
L
H
H
L
N
H
H
L
CS
H
H
CS
CS
H
H
L
H
H
L
H
H
L
H
H
H
H
Read Command
Read Command
H
H
H
L
H
H
H
H
H
Read Command
H
H
H
Command Response Transaction Timing, Card is Busy
Card Response to Next Host Command Timing
Single Block Read Transaction Timing
Multiple Block Transaction Timing (no data overlap)
Multiple Block Transaction (data overlap)
1 or 2 Bytes Response
********
********
6 Bytes Command
********
*************
********
H H H
H H H
H H H
N
N
CR
H H
H
H
CR
N
*******************
H H H
H
CR
Card Resp
Card Resp
H
H
H
5-19
H H H
H
H H H
H
H
H
N
N
H H H
H H H
H
*******************
*******************
CR
CR
*******************
*******************
*******************
H H H
H H H
N
N
Card Response
AC
H
*******************
H
AC
MultiMediaCard/RS-MultiMediaCard Product Manual
Card Response
H
Data Block
H H H
Data Block
*******************
H H H
H
6 Bytes Command
*******************
L
H H H
H
H
H
H
N
N
L
H
AC
H
N
Busy
N
H
StopCommand
AC
H
EC
AC
H
L
H
H
StopCommand
L
H
Data
H
Data Block
H
X
L
Data Block
N
H
X X
Z Z Z
DS
H
X
H
H
X
Chapter 5 –SPI Mode
L
H
H
H
N
Busy
CR
L
H
H
H
H
H H
L
H
H H
H
**
L
H
L
H
H
H
L
H
H
N
CR
L
H
H
L
H
H H
L
H
H H H
L
H
H
L
H
H
N
N
L
H
H
L
EC
H
H
H
EC
H
X
H
L
H
Card Resp
Card Resp
04/21/05
L
H
H H
H
X
L
H
H
X
Z Z Z
L
H
H
X
H
X
Z
L
H
H
X
L
H
L
H
H
X
Z
H
X
Z
H
X
L
H