Preliminary
S3C2451X RISC MICROPROCESSOR
USB2.0 DEVICE
17-23
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
BYTE READ COUNT REGISTER (BRCR)
The byte read count register keeps byte (half word) counts of a RX packet from USB host.
Register Address
R/W
Description
Reset
Value
BRCR
0x4980_0034
R
Byte Read Count Register
0x0
BRCR Bit
R/W
Description
Initial
State
[31:10]
Reserved
RDCNT
[9:0]
R
FIFO Read Byte Count[9:0] RDCNT is read only. The BRCR
inform the amount of received data from host.
In 16-bit Interface, RDCNT informs the amount of data in
half word (16-bit) unit. Through the LWO bit of EP0SR, the
MCU can determine valid byte in last data word.
10’h