DS33X82+ Maxim Integrated Products, DS33X82+ Datasheet - Page 55
DS33X82+
Manufacturer Part Number
DS33X82+
Description
IC MAPPING ETHERNET 256CSBGA
Manufacturer
Maxim Integrated Products
Datasheet
1.DS33X11.pdf
(375 pages)
Specifications of DS33X82+
Applications
Data Transport
Interface
Serial
Voltage - Supply
1.8V, 2.5V, 3.3V
Package / Case
256-CSBGA
Mounting Type
Surface Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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- Download datasheet (3Mb)
________________________________________________ DS33X162/X161/X82/X81/X42/X41/X11/W41/W11
8.12.2 VCAT/LCAS Configuration and Operation
VCAT/LCAS setup requires an external Micro to issue an instruction to setup and tear down the IMUX function.
The microprocessor can turn off links that are not participating. Once any changes to the transmit VCAT
configuration are made, a zero-to-one transition on VCAT.TCR1.TLOAD is required in order to load the updated
configuration.
8.12.2.1Receive VCAT Initialization
1. Configure the VCG Frame Mode via VCAT.RCR1.T3T1
2. Configure VCAT.RCR3 with the number of members per VCG.
3. Assign each port to the appropriate VCG via VCAT.RCR4.RVGS[2:0] and VCAT.RCR4.RPA.
4. Enable the Receive VCAT Blocks via VCAT.RCR1.RVBLKEN and VCAT.RCR1.RVENn.
5. Clear the FIFO Reset in VCAT.RCR4.
6. If needed, enable LCAS via VCAT.RCR2.LE[4:1].
8.12.2.2Transmit VC Group Initialization – LCAS Enabled
1. Assign each port to the appropriate VCG via VCAT.TCR3.TVGS[2:0] and VCAT.TCR3.TPA.
2. Assign the Sequence number to each port via VCAT.TCR3.SQ[3:0].
3. Configure VCAT.TCR2 with the number of members per VCG.
4. Configure the VCG Frame Mode via VCAT.TCR1.VnFM[1:0].
5. Write the LCAS Control word via VCAT.TLCR8.CTRL[3:0] to IDLE for participating links.
6. Enable LCAS through VCAT.RCR2.LE[4:1].
7. Enable the Transmit VCAT Block via VCAT.TCR1.TVBLKEN.
8. Initiate a zero-to-one transition on VCAT.TCR1.TLOAD in order to load the configuration.
8.12.2.3Transmit VC Group Initialization (LCAS Disabled)
1. Assign each port to the appropriate VCG via VCAT.TCR3.TVGS[2:0] and VCAT.TCR3.TPA.
2. Assign the Sequence number to each port via VCAT.TCR3.SQ[3:0].
3. Configure each VCG Frame Mode via VCAT.TCR1.VnFM[1:0].
4. Configure VCAT.TCR2 with the number of members per VCG.
5. Enable the Transmit VCAT Block via VCAT.TCR1.TVBLKEN.
6. Initiate a zero-to-one transition on VCAT.TCR1.TLOAD in order to load the configuration.
Rev: 063008
55 of 375
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