Freescale Semiconductor ColdFire MCF52210 - Manual (Page 253)

Universal Serial Bus, OTG Capable Controller
MCF52211 ColdFire® Integrated Microcontroller Reference Manual, Rev. 2
Freescale Semiconductor 15-25
15.4.1.17 Frame Number Register Low/High (FRM_NUML, FRM_NUMH)
The Frame Number Register Low contains an 8-bit value that is used to compute the address where the
current Buffer Descriptor Table (BDT) resides in system memory.
Figure 15-23 shows the FRM_NUML
Register.
IPSBAR
Offset:
0x1C_00A0 (FRM_NUML)
Access: User read-only
7 6 5 4 3 2 1 0
R FRM7 FRM6 FRM5 FRM4 FRM3 FRM2 FRM1 FRM0
W
Reset: 0 0 0 0 0 0 0 0
Figure 15-23. FRM_NUML Register
Table 15-27. FRM_NUML Field Descriptions
Field Description
7–0
FRM[7:0]
These 8 bits represent the low-order bits of the11-bit Frame Number
IPSBAR
Offset:
0x1C_00A4 (FRM_NUMH) Access: User read-only
7 6 5 4 3 2 1 0
R 0 0 0 0 0 FRM10 FRM9 FRM8
W
Reset: 0 0 0 0 0 0 0 0
Figure 15-24. FRM_NUMH Register
Table 15-28. FRM_NUMH Field Descriptions
Field Description
2–0
FRM[10:8]
These 3 bits represent the high-order bits of the11-bit Frame Number
7–3
NOT USED
This bits always read zero.