LE910C1 Hardware User Guide
1VV0301298 Rev. 1.08 - 2017-11-14
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SPI – Serial Peripheral Interface / AUX UART
F15 SPI_CLK O SPI Clock output 1.8V
E15 SPI_MISO/ RX_AUX I SPI data Master Input Slave output /
RX_AUX
1.8V
D15 SPI_MOSI/TX_AUX O SPI data Master Output Slave input/
TX_AUX
1.8V
H14 SPI_CS/GPIO11 O SPI Chip select output / GPIO11 1.8V See note below
SD/MMC Card Digital I/O
J12 SD/MMC_CMD O SD Command 1.8/2.95V
F12 SD/MMC_CLK O SD Card Clock 1.8/2.95V
E12 SD/MMC_DATA0 I/O SD Serial Data 0 1.8/2.95V
G12 SD/MMC_DATA1 I/O SD Serial Data 1 1.8/2.95V
K12 SD/MMC_DATA2 I/O SD Serial Data 2 1.8/2.95V
H12 SD/MMC_DATA3 I/O SD Serial Data 3 1.8/2.95V
G13 SD/MMC_CD I SD card detect input 1.8V Active Low
F13 VMMC - Power supply for MMC card pull-up
resistors
1.8/2.95V