SDMJ-32 SanDisk, SDMJ-32 Datasheet - Page 60

• 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
4.8
Timing Diagrams
Table 4-9
4) R3 (OCR register): response length 48 bits.
The contents of the OCR Register are sent as a response to CMD1.
Table 4-10
R4 and R5: responses are not supported.
All timing diagrams use schematics and abbreviations listed in Table 4-11.
Table 4-11
Bit Position
Width (bits)
Value
Description
Bit Position
Width (bits)
Value
Description
Symbol
CRC
S
T
P
E
Z
D
X
start bit
start bit
Start Bit (= 0)
Transmitter Bit (Host = 1, Card = 0)
One-cycle pull-up (= 1)
End Bit (= 1)
High Impedance State (-> = 1)
Data bits
Repeater
Cyclic Redundancy Check Bits (7 bits)
Card active
Host active
135
47
1
0
1
0
Response R2
Timing Diagram Symbols
transmission bit
transmission bit
Response R3
134
1
0
46
1
0
4-22
[133:128]
reserved
reserved
111111
[45:40]
MultiMediaCard/RS-MultiMediaCard Product Manual
111111
6
6
Chapter 4 – MultiMediaCard Protocol Description
Definition
CID or CSD register inc.
internal CRC7
OCR Register
[39:8]
32
x
[127:1]
127
x
reserved
111111
[7:1]
7
end bit
04/22/05
end bit
0
1
1
0
1
1