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VSC7440 Datasheet(PDF) 190 Page - Microsemi Corporation

Part # VSC7440
Description  L2/L3 Enterprise Gigabit Ethernet Switch with 10 Gbps Links
PDF  444 Pages
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Manufacturer  MICROSEMI [Microsemi Corporation]
Direct Link  http://www.microsemi.com
Logo MICROSEMI - Microsemi Corporation

VSC7440 Datasheet(HTML) 190 Page - Microsemi Corporation

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Functional Descriptions
VMDS-10492 VSC7440 Datasheet Revision 4.2
173
CPU access to the MAC table is performed by an indirect command-based interface where a number of
fields are configured (in LRN::MAC_TABLE_ACCESS_CFG_*) followed by specifying the command (in
LRN::COMMON_ACCESS_CTRL.CPU_ACCESS_CMD). The access is initiated by a shot bit that is
cleared upon completion of the command
(LRN::COMMON_ACCESS_CTRL.MAC_TABLE_ACCESS_SHOT). It is possible to trigger CPU
interrupt upon completion (ANA_L2:COMMON:INTR.LRN_ACCESS_COMPLETE_INTR).
LRN::MAC_ACCESS_CFG_0
Configures MAC (most significant bits) and FID for MAC table
entries.
1
LRN::MAC_ACCESS_CFG_1
Configures MAC address (Least significant bits) for MAC table
entries and FID.
1
LRN::MAC_ACCESS_CFG_2
Configures the following MAC entry fields:
ADDR
ADDR_TYPE
SRC_KILL_FWD
NXT_LRN_ALL
CPU_COPY
VLAN_IGNORE
AFE_FLAG
AGE_INTERNAL
MIRROR
LOCKED
VLD
1
LRN::EVENT_STICKY
Sticky status for access performed.
1
LRN::SCAN_NEXT_CFG
MAC table scan filter controls.
1
LRN::SCAN_NEXT_CFG_1
MAC table port move handles when performing MAC table SCAN. 1
ANA_L2::SCAN_FID_CTRL
Controls use of additional FIDs when doing scan.
1
ANA_L2::SCAN_FID_CFG
Configures additional VID/FID filters during scan if enabled via
ANA_L2::SCAN_FID_CTRL.
16
LRN::SCAN_LAST_ROW_CFG Configures a last row applicable for scan.1
LRN::SCAN_NEXT_CNT
MAC table status when performing MAC table SCAN.
1
LRN::LATEST_POS_STATUS
Holds the latest CPU accessed MAC table location after a
CPU_ACCESS_CMD has finished.
1
Table 109 •
MAC Table Access Registers (continued)
Target::Register.Field
Description
Replication



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