Digi NS9215 R T F I F O C o n t r o l r e g i s t e r, R T L i n e C o n t r o l r e g i s t e r

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

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UART FIFO Control register. .

U A R T F I F O C o n t r o l r e g i s t e r

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Address: 9001_1108 / 9001_9108 / 9002_1108 / 9002_9108, Write

The UART FIFO Control register controls the RX and TX 4-byte FIFOs. Note that only the FIFOEN bit (bit 01) should be set; all other bits are for diagnostic purposes only.

Register

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16
						Reserved
15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
						Reserved							TXCLR	RXCLR	FIFOEN

Register bit

assignment	Bits	Access	Mnemonic	Reset	Description
	D31:03	N/A	Reserved	N/A	N/A
	D02	W	TXCLR	0	Clear all bytes in the TX FIFO
					0	Normal operation
					1	TX FIFO cleared
	D01	W	RXCLR	0	Clear all bytes in the RX FIFO
					0	Normal operation
					1	RX FIFO cleared
	D00	W	FIFOEN	0	Enable the TX and RX FIFO
					0	RX and TX FIFO disabled
					1	RX and TX FIFO enabled

U A R T L i n e C o n t r o l r e g i s t e r

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Address: 9001_110C / 9001_910C / 9002_110C / 9002_910C

The UART Line Control register controls the UART settings.

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