USB MultiSwitchTM Hub
Datasheet
7.1.4.56Register EEh: Port Assign Interface Configuration 7B (Reset = 0x00)BIT |
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NUMBER | BIT NAME |
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| DESCRIPTION |
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7:0 | PORT_INT_7B | Port Assign Interface 7B: Determines the configuration of the hardware | ||
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| interface configuration for the assignment of ports 3 & 4 to upstream hosts. | ||
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| Bit [7:4] = | ‘0000’ | Port 4 is unassigned |
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| ‘0001’ | Port 4 owned by UP1 |
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| ‘0010’ | Port 4 owned by UP2 |
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| ‘0011’ | Reserved, will default to ‘0001’ value |
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| to |
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| ‘1111’ |
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| Bit [3:0] = | ‘0000’ | Port 3 is unassigned |
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| ‘0001’ | Port 3 owned by UP1 |
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| ‘0010’ | Port 3 owned by UP2 |
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| ‘0011’ | Reserved, will default to ‘0001’ value |
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| to |
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| ‘1111’ |
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7.1.4.57 | Register EFh: Port Assign Interface Configuration 7C (Reset = 0x00) | |||
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BIT |
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NUMBER | BIT NAME |
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| DESCRIPTION |
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7:0 | PORT_INT_7C | Reserved, always = ‘0’. | ||
7.1.4.58 | Register F0h: Port Assign Interface Configuration 7D (Reset = 0x00) | |||
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BIT |
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NUMBER | BIT NAME |
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| DESCRIPTION |
7:0 | PORT_INT_7D | Reserved, always = ‘0’. | ||
7.1.4.59 | Register F1h: Port Assignment 1 & 2 (Reset = 0x00) | |||
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BIT |
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NUMBER | BIT NAME |
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| DESCRIPTION |
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7:0 | PORT_ASSIGN_12 | Port 1 & 2 Assignment to upstream host port. Determines which upstream port | ||
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| “owns” each of the downstream ports | ||
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| Bit [7:4] = | ‘0000’ | Port 2 is unassigned |
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| ‘0001’ | Port 2 owned by UP1 |
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| ‘0010’ | Port 2 owned by UP2 |
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| ‘0011’ | Reserved, will default to ‘0001’ value |
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| to |
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| ‘1111’ |
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| Bit [3:0] = | ‘0000’ | Port 1 is unassigned |
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| ‘0001’ | Port 1 owned by UP1 |
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| ‘0010’ | Port 1 owned by UP2 |
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| ‘0011’ | Reserved, will default to ‘0001’ value |
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| to |
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| ‘1111’ |
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SMSC USB2524 | 37 | Revision 1.91 |
| DATASHEET |
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