Samsung S5PC100, User Manual

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S5PC100 USER’S MANUAL (REV1.0) USB2.0 HS OTG
8.10-39
8.2.15 Receive FIFO Size Register (GRXFSIZ, R/W, Address = 0xED20_0024)
The application programs the RAM size that must be allocated to the RxFIFO.
GRXFSIZ Bit Description R/W Reset Value
Reserved [31:16] - 16'h0
RxFDep [15:0] RxFIFO Depth
This value is in terms of 32-bit words.
•
Minimum value is 16
•
Maximum value is 6144
The power-on reset value of this register is specified as the
Largest Rx Data FIFO Depth.
A new value must be written to this field. Programmed values
must not exceed the power-on value set.
R/W 16'h1800
8.2.16 Non-Periodic Transmit FIFO Size Register (GNPTXFSIZ, R/W, Address = 0xED20_0028)
The application programs the RAM size and the memory start address for the Non-Periodic TxFIFO.
GNPTXFSIZ Bit Description R/W Reset Value
NPTxFDep [31:16] Non-Periodic TxFIFO Depth
This value is in terms of 32-bit words.
•
Minimum value is 16
•
Maximum value is 32768
The power-on reset value of this register is specified as the
Largest Non-Periodic Tx Data FIFO Depth (6144).
A new value must be written to this field. Programmed values
must not exceed the power-on value set.
R/W 16'h1800
NPTxFStAddr [15:0] Non-Periodic Transmit Start Address
This field contains the memory start address for Non-Periodic
Transmit FIFO RAM.
The power-on reset value of this register is specified as the
Largest Rx Data FIFO Depth (6144).
A new value must be written to this field. Programmed values
must not exceed the power-on value set.
R/W 16'h1800