R8A66597BG RENESAS [Renesas Technology Corp], R8A66597BG Datasheet - Page 73

• Manufacturer Part Number: R8A66597BG
• Description: ASSP (USB2.0 2 Port Host/1 Port Peripheral Controller)
• Manufacturer: RENESAS [Renesas Technology Corp]

R8A66597FP/DFP/BG
Remarks
None
2.14.3 Value bit (wValue)
2.14.3.1 Selecting the Host Controller function
2.14.3.2 When the Peripheral Controller function is selected
Remarks
None
2.14.4 Index bit (wIndex)
2.14.4.1 Selecting the Host Controller function
2.14.4.2 Selecting the Peripheral Controller function
R e v 1 . 0 1
15-0
♦ USB request value register [USBVAL]
♦ USB request index register [USBINDX]
15-0
Bit
Bit
15
15
0
0
0
0
wIndex
Index
wValue
Value
This is the bit to write and read the value of the USB request wValue. b7-0 is a lower byte.
The USB request wValue value received in the Setup transaction by the controller is set in this bit. It is not possible
(invalid) to write to this bit using the software.
This is the bit to write and read the value of the USB request wIndex. b7-0 is a lower byte.
Use the software to write the value of the USB request wIndex of the Setup transaction to be sent.
Use the software to write "SUREQ=1", but do not rewrite this bit until "SUREQ=0" is set by the controller.
The USB request wIndex value received in the Setup transaction by the controller is set in this bit. It is not possible
(invalid) to write to this bit using the software.
Use the software to write the value of the USB request wValue of the Setup transaction to be sent.
Use the software to write "SUREQ=1", but do not rewrite this bit until "SUREQ=0" is set by the controller.
14
14
0
0
0
0
O c t 1 7 , 2 0 0 8
Name
13
13
0
0
0
0
Name
12
12
0
0
0
0
p a g e 7 3 o f 1 8 3
11
11
0
0
0
0
USB request wIndex value
USB request wValue value
10
10
0
0
0
0
Function
9
0
0
9
0
0
Function
8
0
0
8
0
0
wValue
wIndex
7
0
0
7
0
0
6
6
0
0
When H:R/W
0
0
When P:R
Software
5
0
0
5
0
0
When H:R/W
When P:R
4
0
0
4
0
0
Software
3
0
0
3
0
0
When P:W
When H:R
Hardware
When P:W
When H:R
Hardware
2
0
0
2
0
0
<Address: 56H>
<Address: 58H>
1
0
0
1
0
0
Remarks
Remarks
0
0
0
0
0
0