IXF1104
8.4.5Global Status and Configuration Register Overview
Table 103 through Table 112 “JTAG ID ($0x50C)” on page 191 provide an overview for the Global Control and Status Registers.
Table 103. Port Enable ($0x500)
Bit | Name | Description | Type* | Default | ||
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Register Description: A control register for each port in the IXF1104. Port ID = bit position in |
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the register. To make a port active, the bit must be set High. For example, Port 2 active implies | 0x00000000 | |||||
a register value of 0000.0100. Setting the bit to 0 | ||||||
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this register is for all four ports to be disabled. |
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31:4 | Reserved | Reserved | RO | 0x0000000 | ||
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| Port 3 |
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3 | Port 3 Enable | 0 = | Disable | R/W | 0 | |
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| 1 = | Enable |
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| Port 2 |
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2 | Port 2 Enable | 0 = | Disable | R/W | 0 | |
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| 1 = | Enable |
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| Port 1 |
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1 | Port 1 Enable | 0 = | Disable | R/W | 0 | |
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| 1 = | Enable |
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| Port 0 |
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0 | Port 0 Enable | 0 = | Disable | R/W | 0 | |
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| 1 = | Enable |
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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
Table 104. Interface Mode ($0x501)
Bit | Name |
| Description | Type1 | Default | |
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Register Description: If_Mode – Four bits of this register determines the PHY interface |
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mode. |
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0 = Fiber (SerDes/OMI interface) |
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1 = Copper (GMII or RGMII interface) |
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Changes to the data setting of this register must be made in conjunction with the “Clock and | 0x00000000 | |||||
Interface Mode Change Enable Ports 0 - 3 ($0x794)" to ensure a safe transition to a new |
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operational mode (see Section 6.1, “Change Port Mode Initialization Sequence” on page 129). |
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The Enable clock mode change bit has to be set back to 1 after the configuration change takes |
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effect. |
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31:4 | Reserved |
| Reserved | RO | 0x0000000 | |
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3 | Port 3 Interface Mode |
| 0 = | Fiber mode | R/W | 0 |
| 1 = | Copper mode | ||||
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2 | Port 2 Interface Mode |
| 0 = | Fiber mode | R/W | 0 |
| 1 = | Copper mode | ||||
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1 | Port 1 Interface Mode |
| 0 = | Fiber mode | R/W | 0 |
| 1 = | Copper mode | ||||
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0 | Port 0 Interface Mode |
| 0 = | Fiber mode | R/W | 0 |
| 1 = | Copper mode | ||||
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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
Datasheet | 187 |
Document Number: 278757
Revision Number: 007
Revision Date: March 25, 2004
