Forlinx SBC OKMX8MPQ-C, User Manual

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2.6.17 SD card slot
Peripheral Signal I/O Default function Pin No.
SD1
SD1_DATA4 I/O SD1 data bit 4 LD_52
SD1_DATA5 I/O SD1 data bit 5 LD_54
SD1_DATA6 I/O SD1 data bit 6 LD_56
SD1_DATA7 I/O SD1 data bit 7 LD_58
SD1_STROBE I SD1 strobe signal LD_62
SD1_RESET_B O SD1 reset signal LD_64
SD1_DATA2 I/O SD1 data bit 2 LD_66
SD1_DATA3 I/O SD1 data bit 3 LD_68
SD1_CMD I/O SD1 command signal LD_70
SD1_CLK O SD1 clock LD_74
SD1_DATA0 I/O SD1 data bit 0 LD_76
SD1_DATA1 I/O SD1 data bit 1 LD_78
SD2
SD2_DATA2 I/O SD2 data bit 2 LD_32
SD2_DATA3 I/O SD2 data bit 3 LD_34
SD2_CMD I/O SD2 command signal LD_36
SD2_CLK O SD2 clock LD_38
SD2_DATA0 I/O SD2 data bit 0 LD_40
SD2_DATA1 I/O SD2 data bit 1 LD_42
SD2_RESET_B O SD2 reset signal LD_44
SD2_NCD I SD2 card detect signal LD_46
SD2_WP I SD2 write protect signal LD_48
2.6.18 SPDIF
Peripheral Signal I/O Default function Pin No.
SPDIF
SPDIF_EXT_CLK O SPDIF clock LD_4
SPDIF_RX I SPDIF receive LD_6
SPDIF_TX O SPDIF send LD_8
2.6.19 Clock input/ output
Peripheral Signal I/O Default function Pin No.
CLK
CLKIN1 I CLK input 1 LU_66
CLKOUT1 O CLK output 1 LU_70
CLKIN2 I CLK input 2 LU_74
CLKOUT2 O CLK output 2 LU_78
2.7 SoM Designing Tips
The SoM FETMX8MPX-C is integrated with power, reset monitor circuit and storage circuit onto
one compact module, 5V power input, reset and boot consist the minimum system