Rainbow Electronics W90P710CDG User Manual
Page 225
W90P710CD/W90P710CDG
Publication Release Date: September 19, 2006
- 225 -
Revision B2
USB Endpoint C Control Register (EPC_CTL)
REGISTER
ADDRESS
R/W
DESCRIPTION
RESET VALUE
EPC_CTL
0xFFF06084
R/W
USB endpoint C control register
0x0000_0000
31
30
29
28
27
26
25
24
Reserved
23
22
21
20
19
18
17
16
Reserved
15
14
13
12
11
10
9
8
Reserved
7
6
5
4
3
2
1
0
Reserved EPC_ZERO EPC_STL_CLR EPC_THRE EPC_STL
EPC_RDY
EPC_RST EPC_EN
BITS
DESCRIPTIONS
[31:7]
Reserved
[6]
EPC_ZERO
Send zero length packet back to HOST
[5]
EPC_STL_CLR
Clear the Endpoint C stall(WRITE ONLY)
[4]
EPC_THRE
Endpoint C threshold (only for ISO)
1: once available space in FIFO over 16 bytes, DMA accesses
memory
0: once available space in FIFO over 32 bytes, DMA accesses
memory
[3]
EPC_STL
Set the Endpoint C stall
[2]
EPC_RDY
The memory is ready for Endpoint C to access
[1]
EPC_RST
Endpoint C reset
[0]
EPC_EN
Endpoint C enable