Samsung S3C2451X User Manual page 378

USB2.0 DEVICE
REGISTERS
INDEX REGISTER (IR)
The index register is used for indexing a specific endpoint. In most cases, setting the index register value should
precede any other operation.
Register
IR 0x4980_0000
IR Bit
[31:16]
[15:4]
INDEX [3:0]
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
17-6
Specifications and information herein are subject to change without notice.
Address R/W
R/W Index Register
R/W
- Reserved
- Reserved (Don't write to this field)
R/W
Endpoint Number Select (0~6)
0000 = Endpoint0
0001 = Endpoint1
0010 = Endpoint2
0011 = Endpoint3
0100 = Endpoint4
0101 = Endpoint5
0110 = Endpoint6
0111 = Endpoint7
1000 = Endpoint8
S3C2451X RISC MICROPROCESSOR
Description
Description
Reset Value
0x00
Initial State
0000
0
0000