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7643 Datasheet(PDF) 271 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) 271 Page - Renesas Technology Corp

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Rev.2.00
Aug 28, 2006
page 150 of 202
7643 Group
REJ09B0133-0200
APPLICATION
2.6 USB
Fig. 2.6.45 Register setting (2)
φ = system clock/2, system clock = f(XIN)
Clock control register (Address : 1F16)
CCR
0
0
0
0
0
1
Frequency synthesizer multiply register 1 (Address : 6D16)
0016
FSM1
b0
b7
b0
b7
Frequency synthesizer control register (Address : 6C16)
FSC
Frequency synthesizer : enabled
Frequency synthesizer input : f(XIN)
0
b0
b7
01
Frequency synthesizer multiply register 2 (Address : 6E16)
FF16
FSM2
b0
b7
0016
FSD
1
000
0
Frequency synthesizer divide register (Address : 6F16)
Port P4 direction register (Address : 1916)
P4D
P40: output
b0
b7
P41: input
1
0
Interrupt polarity select register (Address : 1116)
IPOL
INT0 interrupt edge : Falling edge
b0
b7
0
b0
b7



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