r8a66597 Renesas Electronics Corporation., r8a66597 Datasheet - Page 70

• Manufacturer Part Number: r8a66597
• Description: Assp Usb2.0 2 Port Host/1 Port Peripheral Controller
• Manufacturer: Renesas Electronics Corporation.

R8A66597FP/DFP/BG
Remarks
None
2.12.4 Microframe number bit (UFRMNUM)
R e v 1 . 0 1
♦µframe number register [UFRMNUM]
15-3 Unassigned. Fix to "0".
2-0
Bit
15
?
?
UFRNM
Microframe
When the speed of either Port0 or Port1 is Hi-Speed, the controller displays the Microframe number in this bit. When
the speed of both Port0 and Port1 is other than Hi-Speed, the controller sets 0x00 to this bit.
Use software to check the consistency twice when this bit is being read.
14
?
?
O c t 1 7 , 2 0 0 8
13
?
?
Name
12
?
?
p a g e 7 0 o f 1 8 3
11
?
?
Microframe number is set.
10
?
?
9
?
?
8
?
?
Function
7
?
?
6
?
?
5
?
?
4
?
?
Software
R
3
?
?
Hardware
2
0
-
W
<Address: 4EH>
UFRNM
1
0
-
Remarks
0
0
-