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7643 Datasheet(PDF) 226 Page - Renesas Technology Corp

Part # 7643
Description  8-BIT SINGLE-CHIP MICROCOMPUTER
PDF  424 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7643 Datasheet(HTML) 226 Page - Renesas Technology Corp

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Rev.2.00
Aug 28, 2006
page 105 of 202
7643 Group
REJ09B0133-0200
APPLICATION
2.6 USB
Fig. 2.6.8 Structure of USB address register
USB address register
b7 b6 b5 b4 b3 b2 b1 b0
USB address register
(USBA : address 5016)
b
0
1
2
4
Name
0
Functions
At reset R W
0
0
0
0
5
0
6
7
0
0
This register maintains the 7-bit USB function control unit address
assigned by the host CPU.
3
Nothing arranged for this bit.
Fix this bit to “0”.
0
(2)
USB address register
This register maintains the 7-bit USB function control unit (USB FCU) address assigned by the
host CPU. The USB FCU stores addresses of USB token packets by using the value of this
register.
The value of this register is “0016” when the device is not yet configured at reset.
Figure 2.6.8 shows the structure of the USB address register.



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