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Question, i.MX6Q ECSPI

Question asked by AVNET JAPAN FAE (team share account) on Jan 18, 2015
Latest reply on Jan 19, 2015 by igorpadykov

Dear team,


My customer is facing the issue that ECSPI module of i.MX6Q cannot communicate with a external SPI device on their proto-board.

They use i.MX6Q ECSPI as slave and the external device is the master.

Because the external device is the only SPI device, they do not use SS.

The SS pin of i.MX6 is open.

The customer’s configuration is as below.

ECSPI5_CONREG = 0x0170_D101

ECSPI5_CONFREG = 0x0000_0001

ECSPI5_INTREG = 0x0000_0028

ECSPI5_DMAREG = 0x0000_0000

ECSPI5_STATREG = 0x0000_0003

Could you give me advice on the cause of this issue?