Altera cyclone V Technical Reference page 2170

18-80
gnptxfsiz
31 30
15 14
Reserved
grxfsiz Fields
Bit
13:0
rxfdep
gnptxfsiz
The application can program the RAM size and the memory start address for the Non-periodic TxFIFO.
The fields of this register change, depending on host or device mode.
Module Instance
usb0
usb1
Offset:
0x28
Access:
RW
Important: To prevent indeterminate system behavior, reserved areas of memory must not be accessed by
31 30
Reserved
15 14
Reserved
Altera Corporation
29 28 27 26
13 12 11 10
Name
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 Rx
Data FIFO Dept 8192. Using the Dynamic FIFO
Sizing, you can write a new value in this field.
Programmed values must not exceed 8192.
software or hardware. Any area of the memory map that is not explicitly defined as a register
space or accessible memory is considered reserved.
29 28 27 26
13 12 11 10
Bit Fields
25 24 23 22
Reserved
9 8 7 6
rxfdep
RW 0x2000
Description
Base Address
0xFFB00000
0xFFB40000
Bit Fields
25 24 23 22
nptxfdep
RW 0x2000
9 8 7 6
nptxfstaddr
RW 0x2000
21 20 19 18
5 4 3 2
Access
Register Address
0xFFB00028
0xFFB40028
21 20 19 18
5 4 3 2
USB 2.0 OTG Controller
cv_5v4
2016.10.28
17 16
1 0
Reset
RW 0x2000
17 16
1 0
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