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| USB MultiSwitchTM Hub |
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| Datasheet |
7.1.4.60 | Register F2h: Port Assignment 3 & 4 (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_34 | Port 3 & 4 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 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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7.1.4.61 | Register F3h: Port Assignment 5 & 6 (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_56 |
| Reserved, always = ‘0’. | ||
7.1.4.62 | Register F4h: Port Assignment 7 (Reset = 0x00) | ||||
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BIT |
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NUMBER | BIT NAME |
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7:0 | PORT_ASSIGN_7 | Reserved, always = ‘0’. | |||
7.1.4.63 | Register F5h: Port Lockout (Reset = 0x00) | ||||
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BIT |
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NUMBER | BIT NAME |
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7:0 | PORT_LOCKOUT | Port Lockout: Locks a port to the currently assigned upstream port, and doesn’t | |||
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| allow the port to be | ||
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| ‘0’ = port is available to be switched | ||
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| ‘1’ = port is locked to the assigned port. | ||
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| Bit 7= Reserved, always = ‘0’. | ||
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| Bit 6= Reserved, always = ‘0’. | ||
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| Bit 5= Reserved, always = ‘0’. | ||
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| Bit 4= 1; Port 4 is locked. | ||
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| Bit 3= 1; Port 3 is locked. | ||
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| Bit 2= 1; Port 2 is locked. | ||
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| Bit 1= 1; Port 1 is locked. | ||
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| Bit 0 is Reserved, always = ‘0’ | ||
Revision 1.91 | 38 | SMSC USB2524 |
| DATASHEET |
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