EVB912UF32 Evaluation Board- Rev 1
User’s Manual
22
Support Information
MOTOROLA
Support Information
Figure 3-4 Secure Digital Connector J17 Pin Assignments
3.5 SmartMedia Connector
Connector J7 is the EVB912UF32 connector for SmartMedia cards. Figure 3-5
gives the pin assignments and Table 3-4 gives the signal descriptions for this
connector.
Table 3-3 Secure Digital Connector J17 Signal Descriptions
Pin(s)
Signal
Description
1-Bit Mode
4-Bit Mode
1
SDDATA3
Not Used
Data Line DAT3
2
SDCMD
Command / Response
3, 6
GND
GROUND
4
VCC
+3 volt power
5
SDCLK
Clock
7
SDDATA0
Data Line DAT0
8
SDDATA1
Interrupt (IRQ)
Data Line DAT1 or
Interrupt (IRQ)
9
SDDATA2
Read/Wait (RW)
Data Line DAT2 or
Read/Wait (RW)
10
SD_CD
Card Detect
11
GND
Card Detect Switch 2
12
SD_WP
Write Protect
1
2
3
4
5
6
7
8
9
10
11
13
12
14