Sundance Spas ST201 - Manual (Page 54)

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Sundance Technology ST201 PRELIMINARY draft 2
RECEIVEMODE
Class....................I/O Registers, Control and Status
Base Address ......IoBaseAddress register value
Address Offset .....0x5c
Access Mode .......Read/Write
Width ...................8 bits
Each bit in ReceiveMode, when set, enables reception of a different type of frame. ReceiveMode is cleared
upon reset.
BIT BIT NAME BIT DESCRIPTION
0 ReceiveUnicast Setting this bit enables the ST201 to receive unicast frames that match
the 48-bit StationAddress of the ST201.
1 ReceiveMulticast Setting this bit causes the ST201 to receive all multicast frames,
including broadcast.
2 ReceiveBroadcast Setting this bit causes the ST201 to receive all broadcast frames.
3 ReceiveAllFrames Setting this bit causes the ST201 to receive all frames promiscuously.
4 ReceiveMulticast-
Hash Setting this bit enables the ST201 to receive frames that pass the hash
filtering mechanism.
5 ReceiveIPMulticast Setting this bit enables the ST201 to receive all multicast IP data-
grams, which are mapped into Ethernet multicast frames with destina-
tion address of 01:00:5e:xx:xx:xx as defined in RFC 1112 and RFC
1700. The first 3 bytes require exact match, and the last 3 bytes are
ignored.
7..6 Reserved Reserved for future use. Should be set to 0.