Rainbow Electronics W90P710CDG User Manual
Page 219
W90P710CD/W90P710CDG
Publication Release Date: September 19, 2006
- 219 -
Revision B2
Continued.
BITS
DESCRIPTIONS
[15:12]
EPB_ALT
Endpoint B alternative setting (READ ONLY)
[11:8]
EPB_INF
Endpoint B interface
[7:4]
EPB_CFG
Endpoint B configuration
[3:0]
EPB_NUM
Endpoint B number
USB Endpoint B Control Register (EPB_CTL)
REGISTER
ADDRESS
R/W
DESCRIPTION
RESET VALUE
EPB_CTL
0xFFF06068
R/W
USB endpoint B 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 EPB_ZERO EPB_STL_CLR
EPB_THRE
EPB_STL EPB_RDY
EPB_RST EPB_EN
BITS
DESCRIPTIONS
[31:7]
Reserved
[6]
EPB_ZERO
Send zero length packet back to HOST
[5]
EPB_STL_CLR
Clear the Endpoint B stall(WRITE ONLY)
[4]
EPB_THRE
Endpoint B 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]
EPB_STL
Set the Endpoint B stall