參數(shù)資料
型號: M66592FP
元件分類: 總線控制器
英文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP64
封裝: 0.50 MM PITCH, LQFP-64
文件頁數(shù): 31/40頁
文件大?。?/td> 1583K
代理商: M66592FP
M66592F P/W G
Rev 1.00 2004.10.01 page 37 of 125
2.10 Frame number register
Frame number register [FRMNUM]
<Address: 4CH>
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
OVRN CRCE
SOFRM
FRNM
0
-
0
-
0
?
0
-
0
-
0
-
0
-
0
-
0
-
0
-
0
-
0
-
0
-
0
-
0
-
0
Bit
Name
Function
S/W
H/W
Note
15 OVRN
Overrun / Underrun
0: No error
1: Error issued
R/W(0)
W
2.10.1
14 CRCE
Reception data error
0: No error
1: Error issued
R/W(0)
W
2.10.1
13-12 Nothing is placed here. These should be fixed at “0”.
11 SOFRM
Frame number update interrupt output
mode
0: Interrupt asserted upon SOF reception and
timer interpolation.
1: Interrupt asserted if SOF is damaged or
missing.
R/W
R
2.10.2
3.2.7
*1)
10-0 FRNM
Frame number
The frame number can be confirmed.
R
W
2.10.2
Note
*1) Frame number update interrupts are not issued for uSOF packet detection other than “UFRNM=0”.
micro frame number register [UFRMNUM]
<Address: 4EH>
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
UFRNM
?
0
-
0
-
0
-
0
Bit
Name
Function
S/W
H/W
Note
15-3 Nothing is placed here. These should be fixed at "0".
2-0 UFRNM
micro frame
The micro frame number can be confirmed.
R
W
2.10.2
3.10
*2)
Note
*2) When using Full-Speed operation, “000” is normally read with this bit.
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