Universal Serial Bus Controller User's Guide

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Table 16. Universal Serial Bus (USB) Registers (continued)
Offset Acronym Register Description Section
41Bh HOST_NAKLIMIT0 Sets the NAK response timeout on Endpoint 0 Section 4.68
(Index register set to select Endpoint 0)
HOST_TXINTERVAL Sets the polling interval for Interrupt/ISOC transactions or the Section 4.69
NAK response timeout on Bulk transactions for host Transmit
endpoint. (Index register set to select Endpoints 1-4)
41Ch HOST_RXTYPE Sets the operating speed, transaction protocol and peripheral Section 4.70
endpoint number for the host Receive endpoint.
(Index register set to select Endpoints 1-4)
41Dh HOST_RXINTERVAL Sets the polling interval for Interrupt/ISOC transactions or the Section 4.71
NAK response timeout on Bulk transactions for host Receive
endpoint. (Index register set to select Endpoints 1-4)
41Fh CONFIGDATA Returns details of core configuration. (Index register set to Section 4.72
select Endpoint 0)
FIFOn
420h FIFO0 Transmit and Receive FIFO Register for Endpoint 0 Section 4.73
424h FIFO1 Transmit and Receive FIFO Register for Endpoint 1 Section 4.74
428h FIFO2 Transmit and Receive FIFO Register for Endpoint 2 Section 4.75
42Ch FIFO3 Transmit and Receive FIFO Register for Endpoint 3 Section 4.76
430h FIFO4 Transmit and Receive FIFO Register for Endpoint 4 Section 4.77
OTG Device Control
460h DEVCTL OTG Device Control Register Section 4.78
Dynamic FIFO Control
462h TXFIFOSZ Transmit Endpoint FIFO Size Section 4.79
(Index register set to select Endpoints 1-4)
463h RXFIFOSZ Receive Endpoint FIFO Size Section 4.80
(Index register set to select Endpoints 1-4)
464h TXFIFOADDR Transmit Endpoint FIFO Address Section 4.81
(Index register set to select Endpoints 1-4)
466h RXFIFOADDR Receive Endpoint FIFO Address Section 4.82
(Index register set to select Endpoints 1-4)
Target Endpoint 0 Control Registers, Valid Only in Host Mode
480h TXFUNCADDR Address of the target function that has to be accessed Section 4.83
through the associated Transmit Endpoint.
482h 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.
483h 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.
484h RXFUNCADDR Address of the target function that has to be accessed Section 4.86
through the associated Receive Endpoint.
486h 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.
487h 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.
Universal Serial Bus (USB) Controller78 SPRUGH3 – November 2008
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