User`s manual

M9328MX1ADS - Rev 2 User’s Manual
44 Support Information MOTOROLA
Support Information
Figure 3-11 SD/MMC Connector P2 Pin Assignments
Table 3-11 SD/MMC Connector P2 Signal Descriptions
Pin Mnemonic
Signal
MMC Card
SD Card
1-Bit Mode 4-Bit Mode
1 SD_DAT3 Reserved Not Used Data Line DAT3
2 SD_CMD Command / Response
3 GND Ground
4 VCC Supply Voltage (3.0-volts)
5SD_CLK Clock
6 GND Ground
7 SD_DAT0 Data Line DAT0
8 SD_DAT1 Not Used Interrupt (IRQ) Data Line DAT1 or
Interrupt (IRQ)
9 SD_DAT2 Not Used ReadWait (RW) Data Line DAT2 or
Read Wait (RW)
10 USBD_AFE Card Detect, configured as GPIO, PB20
11 GND Ground
16 SD_WP Write Protect Detect, connects to I/O Expander, U42-13
(P10)
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