Arrow DECA User Manual page 42

Figure 3-30 Connections between the MAX 10 FPGA and SD card socket
Signal Name
SD_CLK
SD_FB_CLK
SD_CMD
SD_CMD_DIR
SD_D0_DIR
SD_D123_DIR
SD_SEL
SD_DAT[0]
SD_DAT[1]
SD_DAT[2]
SD_DAT[3]
3.4.17 D E C
D E C
The DECA is powered by Altera's Enpirion power solution which provides high-efficiency power
DECA User Manual
Table 3-21 Pin Assignment of Micro SD Card Socket
FPGA Pin No.
PIN_T20
PIN_R22
PIN_T21
PIN_U22
PIN_T22
PIN_U21
PIN_P13
PIN_R18
PIN_T18
PIN_T19
PIN_R20
A P o w e r
A P o w e r
Description
FPGA output SD Clock
Clock feedback to FPGA for
resynchronizing data
Command bit connected to FPGA
Direction control for command bit
(CMDA/CMDB)
Direction control for DAT0A/DAT0B
Direction control for DAT1A/B, DAT2A/B,
and DAT3A/B
FPGA output SD card VCCIO select
Data bit 0 connected to FPGA
Data bit 1 connected to FPGA
Data bit 2 connected to FPGA
Data bit 3 connected to FPGA
41
I/O Standard
1.5V
1.5V
1.5V
1.5V
1.5V
1.5V
3.3V
1.5V
1.5V
1.5V
1.5V
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May 22, 2015