Universal Serial Bus Controller User's Guide
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Registers
Table 16. Universal Serial Bus (USB) Registers (continued)
Offset Acronym Register Description Section
Target Endpoint 1 Control Registers, Valid Only in Host Mode
488h TXFUNCADDR Address of the target function that has to be accessed Section 4.83
through the associated Transmit Endpoint.
48Ah TXHUBADDR Address of the hub that has to be accessed through the Section 4.84
associated Transmit Endpoint. This is used only when full
speed or low speed device is connected via a USB2.0
high-speed hub.
48Bh TXHUBPORT Port of the hub that has to be accessed through the Section 4.85
associated Transmit Endpoint. This is used only when full
speed or low speed device is connected via a USB2.0
high-speed hub.
48Ch RXFUNCADDR Address of the target function that has to be accessed Section 4.86
through the associated Receive Endpoint.
48Eh RXHUBADDR Address of the hub that has to be accessed through the Section 4.87
associated Receive Endpoint. This is used only when full
speed or low speed device is connected via a USB2.0
high-speed hub.
48Fh RXHUBPORT Port of the hub that has to be accessed through the Section 4.88
associated Receive Endpoint. This is used only when full
speed or low speed device is connected via a USB2.0
high-speed hub.
Target Endpoint 2 Control Registers, Valid Only in Host Mode
490h TXFUNCADDR Address of the target function that has to be accessed Section 4.83
through the associated Transmit Endpoint.
492h TXHUBADDR Address of the hub that has to be accessed through the Section 4.84
associated Transmit Endpoint. This is used only when full
speed or low speed device is connected via a USB2.0
high-speed hub.
493h TXHUBPORT Port of the hub that has to be accessed through the Section 4.85
associated Transmit Endpoint. This is used only when full
speed or low speed device is connected via a USB2.0
high-speed hub.
494h RXFUNCADDR Address of the target function that has to be accessed Section 4.86
through the associated Receive Endpoint.
496h RXHUBADDR Address of the hub that has to be accessed through the Section 4.87
associated Receive Endpoint. This is used only when full
speed or low speed device is connected via a USB2.0
high-speed hub.
497h RXHUBPORT Port of the hub that has to be accessed through the Section 4.88
associated Receive Endpoint. This is used only when full
speed or low speed device is connected via a USB2.0
high-speed hub.
Target Endpoint 3 Control Registers, Valid Only in Host Mode
498h TXFUNCADDR Address of the target function that has to be accessed Section 4.83
through the associated Transmit Endpoint.
49Ah TXHUBADDR Address of the hub that has to be accessed through the Section 4.84
associated Transmit Endpoint. This is used only when full
speed or low speed device is connected via a USB2.0
high-speed hub.
49Bh TXHUBPORT Port of the hub that has to be accessed through the Section 4.85
associated Transmit Endpoint. This is used only when full
speed or low speed device is connected via a USB2.0
high-speed hub.
49Ch RXFUNCADDR Address of the target function that has to be accessed Section 4.86
through the associated Receive Endpoint.
SPRUGH3 – November 2008 Universal Serial Bus (USB) Controller 79
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