MSC SM2S-IMX8M User Manual
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6.2 SPI Devices
Table 6-2: SPI Interfaces Overview
CPU Interface
Chip Select
CPU Pin
CPU Pin Name
Device
SMARC Connector
Description
ECSPI1
CS0
D4
ECSPI1_SS0
CAN1 Controller
Dedicated chip select for
CAN1 Controller
CS0
L20
NAND_DATA04
SP1_CS0#
GPIO based chip select
(CPU GPIO4_IO10)
CS1
J1
SAI1_RXD4
SP1_CS1#
GPIO based chip select
(CPU GPIO4_IO06)
ECSPI2
CS0
A5
ECSPI2_SS0
CAN0 Controller
Dedicated chip select for
CAN0 Controller
CS0
J22
NAND_DATA05
SPI0_CS0#
GPIO based chip select
(CPU GPIO3_IO11)
CS1
K1
SAI1_RXC
SPI0_CS1#
GPIO based chip select
(CPU GPIO4_IO01)
QSPI_A
CS0
H19
NAND_CE0_B
QSPI NOR Flash
Dedicated chip select for
QSPI NOR Flash
NOTE:
The dedicated chip select lines of ECSPI1 and ECSPI2 are reserved for both CAN controllers. GPIOs are used for chip select pins
SPI[0:1]_CS[0:1]# on the SMARC connector.
The on-module QSPI NOR Flash is an assembly option.