10 usb configuration value register (cfgr), 11 usb configuration attribute register (cfgar), Usb configuration value register (cfgr) -19 – Freescale Semiconductor MCF5480 User Manual
Page 893: Usb configuration attribute register (cfgar) -19
Memory Map/Register Definition
MCF548x Reference Manual, Rev. 3
Freescale Semiconductor
29-19
29.2.2.10 USB Configuration Value Register (CFGR)
29.2.2.11 USB Configuration Attribute Register (CFGAR)
The CFGAR contains attributes of the current configuration.
7
6
5
4
3
2
1
0
R
0
0
0
0
EPNUM
EPDIR
W
Reset
0
0
0
0
0
0
0
0
Reg
Addr
MBAR + 0xB003
Figure 29-10. Endpoint Info Register (EPINFO)
Table 29-10. EPINFO Field Descriptions
Bits
Name
Description
7–4
—
Reserved, should be cleared.
3–1
EPNUM
Endpoint number. Indicates the currently active endpoint.
0
EPDIR
Endpoint direction. Indicates the direction of the current endpoint.
0 OUT
1 IN
7
6
5
4
3
2
1
0
R
Configuration Value
W
Reset
0
0
0
0
0
0
0
0
Reg
Addr
MBAR + 0xB004
Figure 29-11. USB Configuration Value Register (CFGR)
Table 29-11. CFGR Field Descriptions
Bits
Name
Description
7–0
Configuratio
n
Value
This register contains the current configuration value. The application needs to write a
nonzero value to this register as part of the SET_CONFIGURATION request. See
Section 29.4.3.5.2, “Device Requests
” for more information.