EZ-USB FX3 Technical Reference Manual, Document Number: 001-76074 Rev. *F 508
PROT_FRAMECNT
0xE0033428
10.16.4 PROT_FRAMECNT
Frame Counter Register
Provides micro-frame number received from host in ITP packets.
26:14 DELTA[12:0] The delta value in the last ITP received
13:0 SS_MICROFRAME[13:0] MICROFRAME counter which indicates which of the 8 125-microsecond micro-frames last occurred.
This is based on ITPs received from Host
PROT_FRAMECNT Frame Counter Register 0xE0033428
b31 b30 b29 b28 b27 b26 b25 b24
DELTA[12:10]
RRR
R/W R/W R/W
000
PROT_FRAMECNT Frame Counter Register
b23 b22 b21 b20 b19 b18 b17 b16
DELTA[9:2]
RRRRRRRR
R/W R/W R/W R/W R/W R/W R/W R/W
00000000
PROT_FRAMECNT Frame Counter Register
b15 b14 b13 b12 b11 b10 b9 b8
DELTA[1:0] SS_MICROFRAME[13:8]
RRRRRRRR
R/W R/W R/W R/W R/W R/W R/W R/W
00000000
PROT_FRAMECNT Frame Counter Register
b7 b6 b5 b4 b3 b2 b1 b0
SS_MICROFRAME[7:0]
RRRRRRRR
R/W R/W R/W R/W R/W R/W R/W R/W
00000000
Bit Name Description