Embedian, Inc.
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SMARC-FiMX6 Computer on Module User’s Manual v.1.2
2.1.18.2. SPI1 Signals
Edge Golden
Finder
Signal Name
Direction
Type
Tolerance
Description
SPI1_CS0#
Output
CMOS
VDDIO
SPI1 Master Chip Select 0 output
SPI1_CS1#
Output
CMOS
VDDIO
SPI1 Master Chip Select 1 output
SPI1_CK
Output
CMOS
VDDIO
SPI1 Master Clock output
SPI1_DIN
Input
CMOS
VDDIO
SPI1 Master Data input (input to CPU, output
from SPI device)
SPI1_DO
Output
CMOS
VDDIO
SPI1 Master Data output (output from CPU,
input to SPI device)