Digi NS9215 I C o n t r o l a n d S t a t u s r e g i s t e r s, Enable master loopback mode

S E R I A L C O N T RO L M O D U L E : S P I

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SPI Control and Status registers. .

S P I C o n t r o l a n d S t a t u s r e g i s t e r s

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The configuration registers for the SPI module are located at 0x9003_1000.

Register address

map	Address	Register
	9003_1000	SPI Configuration register
	9003_1010	Clock Generation register
	9003_1020	Interrupt Enable register
	9003_1024	Interrupt Status register

S P I C o n f i g u r a t i o n r e g i s t e r

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Address: 9003_1000

This is the primary SPI Configuration register.

Register

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
							Notused
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
	Notused		ML		DISCARD			Notused		MODE		RX	BIT	SLAVE	MAS
			B									BYTE	ORDR		TER

Register bit

assignment	Bits	Access	Mnemonic	Reset	Description
	D31:13	R/W	Not used	0	Write this field to 0.
	D12	R/W	MLB	0	Enable master loopback mode
					Write a 1 to enable the master mode transmitter to
					receiver loopback function.

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