IXF1104
Table 152. Clock and Interface Mode Change Enable Ports 0 - 3 ($0x794)
Bit | Name | Description |
| Type1 | Default | |
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Register Description: This register is used when a change to the operational mode or speed |
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of the IXF1104 is required. This register ensures that when a change is made that the internal | 0x00000000 | |||||
clocking of the IXF1104 is managed correctly and no unexpected effects of the operational or | ||||||
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speed change are observable on the line interfaces. |
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31:4 | Reserved | Reserved |
| RO | 0x0000000 | |
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| Enables internal clock generator for Port 3 to |
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| sample the “MAC IF Mode and RGMII Speed ($ |
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| Port_Index + 0x10)" and the | “Interface Mode |
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| Clock and Interface | ($0x501)". |
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| 0 = Set to zero when changes are being made to | R/W | 0 | |||
3 | Mode Change Enable | |||||
| Port 32 | the “MAC IF Mode and RGMII Speed ($ |
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| Port_Index + 0x10)" and the “Interface Mode |
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| ($0x501)". |
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| 1 = Set to 1 for the configuration changes to take |
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| effect. |
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| Enables internal clock generator for Port 2 to |
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| sample the “MAC IF Mode and RGMII Speed ($ |
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| Port_Index + 0x10)" and the | “Interface Mode |
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| Clock and Interface | ($0x501)". |
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| 0 = Set to zero when changes are being made to |
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2 | Mode Change Enable | R/W | 0 | |||
the “MAC IF Mode and RGMII Speed ($ | ||||||
| Port 22 |
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| Port_Index + 0x10)" and the “Interface Mode |
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| ($0x501)". |
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| 1 = Set to 1 for the configuration changes to take |
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| effect. |
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| Enables internal clock generator for Port 1 to |
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| sample the “MAC IF Mode and RGMII Speed ($ |
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| Port_Index + 0x10)" and the | “Interface Mode |
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| Clock and Interface | ($0x501)". |
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| 0 = Set to zero when changes are being made to |
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1 | Mode Change Enable | R/W | 0 | |||
| Port 12 | the “MAC IF Mode and RGMII Speed ($ |
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| Port_Index + 0x10)" and the “Interface Mode |
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| ($0x501)". |
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| 1 = Set to 1 for the configuration changes to take |
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| effect. |
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| Enables internal clock generator for Port 0 to |
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| sample the “MAC IF Mode and RGMII Speed ($ |
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| Port_Index + 0x10)" and the | “Interface Mode |
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| Clock and Interface | ($0x501)". |
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| 0 = Set to zero when changes are being made to |
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0 | Mode Change Enable | R/W | 0 | |||
the “MAC IF Mode and RGMII Speed ($ | ||||||
| Port 02 |
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| Port_Index + 0x10)" and the “Interface Mode |
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| ($0x501)". |
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| 1 = Set to 1 for the configuration changes to take |
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| effect. |
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1. RO = Read Only, No clear on Read; R = Read, Clear on Read; W = Write only; R/W = Read/Write, No clear; R/W/C = Read/Write, Clear on Write
2. Refer to Section 6.1, “Change Port Mode Initialization Sequence” on page 129 for the proper sequence to change the port mode and speed in conjunction with this register.
220 | Datasheet |
Document Number: 278757
Revision Number: 007
Revision Date: March 25, 2004
