HPTXFSIZ
Host Periodic Transmit FIFO Size Register
Module Instance | Base Address | Register Address |
---|---|---|
i_usbotg_0__usb_csr__10b00000__DWC_otg_intreg__SEG_L4_AHB_USB0_0x0_0x40000
|
0x10B00000
|
0x10B00100
|
Size: 32
Offset: 0x100
Access: RW
Important: The value of a reserved bit must be maintained in software. When you modify registers containing reserved bit fields, you must use a read-modify-write operation to preserve state and prevent indeterminate system behavior.
Bit Fields | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
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15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
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HPTXFSIZ Fields
Bit | Name | Description | Access | Reset |
---|---|---|---|---|
31:30 |
Reserved_2
|
Reserved bitfield added by Magillem |
RO
|
0x0
|
29:16 |
PTxFSize
|
Host Periodic TxFIFO Depth (PTxFSize) This value is in terms of 32-bit words. Minimum value is 16 Maximum value is 32,768 The power-on reset value of this register is specified as the Largest Host Mode Periodic Tx Data FIFO Depth. Programmed values must not exceed the power-on value. |
RW
|
0x2000
|
15 |
Reserved_1
|
Reserved bitfield added by Magillem |
RO
|
0x0
|
14:0 |
PTxFStAddr
|
Host Periodic TxFIFO Start Address (PTxFStAddr) The power-on reset value of this register is the sum of the Largest Rx Data FIFO Depth and Largest Non-periodic Tx Data FIFO Depth Programmed values must not exceed the power-on value |
RW
|
0x4000
|