Circuit Board Reference Manual

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.
76543210
R 0 0 0 0 EPNUM EPDIR
W
Reset00000000
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.
0OUT
1IN
76543210
R Configuration Value
W
Reset00000000
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.