Fujitsu MB96300 series Hardware Manual page 745

29.3.4 Time Stamp Register (TMSP)
The time stamp register (TMSP) displays a frame number when an SOF packet is
received.
■ Time Stamp register (TMSP)
7 6
TMSP TMSP
R R
15 14
Undef Undef
X X
X : undefined value
R/W : Readable and writable
: Initial value
The functions of each bit of the time stamp register (TMSP) are described below.
Bit15-11
Bit10-0
Figure 29.3-5 Time Stamp register (TMSP)
5 4 3 2 1
TMSP TMSP TMSP TMSP TMSP
R R R R R
13 12 11 10 9
Undef Undef Undef TMSP TMSP
X X X R R
Bit names
Undefined
TMSP
0
Initial Value:
00000000
TMSP
B
R
bit0 to 6
TMSP
00 0 Initial value
H
value Time stamp value
8
Initial Value:
xxxxx000
TMSP
B
R
bit8 to 10
TMSP
00 0 Initial value
H
value Time stamp value
bit11 to 15
Undef
0 Always write "0" to this bit
• No functionnality
• Frame number updated at the reception of the a new SOF packet.
CHAPTER 29 USB FUNCTION
Time stamps bits
Time stamp bits
Undefined
Function
737