Digi NS9215 A t i o n a d d r e s s F i l t e r r e g i s t e r, Station Address Register #1

E T H E R N E T C O M M U N I C A T I O N M O D U L E

. . .

Station Address Filter register. .

Register bit assignments for all three registers

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
			OCTET5								OCTET6

Bits	Access	Mnemonic	Reset	Description
Station Address Register #1
D31:16	N/A	Reserved	N/A	N/A
D15:08	R/W	OCTET1	0	Station address octet #1 (stad[7:0])
D07:00	R/W	OCTET2	0	Station address octet #2 (stad[15:8])
Station Address Register #2
D31:16	N/A	Reserved	N/A	N/A
D15:08	R/W	OCTET3	0	Station address octet #3 (stad[23:16])
D07:00	R/W	OCTET4	0	Station address octet #4 (stad[31:24])
Station Address Register #3
D31:16	N/A	Reserved	N/A	N/A
D15:08	R/W	OCTET5	0	Station address octet #5 (stad[39:32])
D07:00	R/W	OCTET6	0	Station address octet #6 (stad[47:40])

Note: Octet #6 is the first byte of a frame received from the MAC. Octet #1 is the last byte of the station address received from the MAC.

S t a t i o n A d d r e s s F i l t e r r e g i s t e r

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Address: A060 0500

The Station Address Filter register contains several filter controls. The register is located in the station address logic (see “Station address logic (SAL)” on page 264).

All filtering conditions are independent of each other. For example, the station address logic can be programmed to accept all multicast frames, all broadcast frames, and frames to the programmed destination address.

www.digiembedded.com 301