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7643 Datasheet(PDF) 268 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) 268 Page - Renesas Technology Corp

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Rev.2.00
Aug 28, 2006
page 147 of 202
7643 Group
REJ09B0133-0200
APPLICATION
2.6 USB
Fig. 2.6.42 Control procedure (USB resume interrupt routine)
1
USB resume interrupt routine
• Frequency synthesizer: enabled
0
1
0.1ms wait
• Lock state is checked
Wait
• After frequency synthesizer is enabled,
wait of 2 ms or more is required to stabilize
frequency syntesizer
USBC (Address 1316),bit5
1
• USB clock enabled
RTS
USBC (Address 1316),bit3
FSC (Address 6C16),bit0
FSC (Address 6C16),bit7
0
• USB line driver current control: High
C016
• System clock : f(XIN)
CCR (Address 1F16)



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