IDT CPS Registers
Revision 1.5
Integrated Device Technology, Inc.
CPS-16/12/8 User Manual
10 - 17
July 10, 2012
10.4.16 Multicast Mask Port Command and Status Register
(MCAST_MASK_PORT)
10.4.17 Multicast Association Selection Command and Status Register
(MCAST_ASSOC_SEL_CSR)
Table 10.18 MCAST_MASK_PORT 0x000080
Bit
Field Name
Type
Reset
Value
Comment
0
PORT_PRESENT
RO
0b0
Indication of the existence of the
egress port and multicast mask pair
as a result of the last Write_to_Verify
command.
0 = Port not enabled in the multicast
mask
1 = Port is enabled in the multicast
mask
3 - 1
Reserved
6 - 4
MASK_CMD
R/W
0b000
000 = Write to verify
001 = Add Port
010 = Delete Port
100 = Delete All Ports
101 = Add all Ports
7
Reserved
15 - 8
EGRESS_PORT_NUMBER
R/W
0x00
Defines the port number which is
modified/queried by the MASK_CMD
31 - 16
MCAST_MASK
R/W
0x0000
Defines the multicast mask to be
modified/queried as determined by
the MASK_CMD
Table 10.19 MCAST_ASSOC_SEL_CSR 0x000084
Bit
Field Name
Type
Reset
Value
Comment
15 - 0
MULTICAST_MASK_NUMBER
R/W
0x0000
Selects the multicast mask number
for an association
23 - 16
DESTINATION_ID
R/W
0x00
Selects a destination ID for an
association operation
31 - 24
LARGE_DESTINATION_ID
R/W
0x00
Selects the most significant byte of
a large transport destination ID for
an association operation