Field
Bits
DC
[22:16] rh
DFA
24
CFA
25
0
[7:4],
[15:12],
23,
[31:26]
User's Manual
MSC, V1.37 2009-05
Type Description
Downstream Counter
This bit field indicates the number of downstream shift
clock periods that have been elapsed since the start of
the current frame.
00
No shift clock elapsed (after counter reset).
H
01
1 shift clock elapsed.
H
...
...
H
7F
127 shift clocks elapsed.
H
DC is reset at the end of a downstream frame.
rh
Data Frame Active
This bit indicates if a data frame is currently sent out.
0
No data frame is currently sent out.
B
1
A data frame is currently sent out.
B
rh
Command Frame Active
This bit indicates if a command frame is currently sent
out.
0
No command frame is currently sent out.
B
1
A command frame is currently sent out.
B
r
Reserved
Read as 0; should be written with 0.
19-45
Micro Second Channel (MSC)
TC1728
V1.0, 2011-12