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7643 Datasheet(PDF) 317 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) 317 Page - Renesas Technology Corp

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Rev.2.00
Aug 28, 2006
page 196 of 202
7643 Group
REJ09B0133-0200
APPLICATION
2.10 Clock generating circuit
Fig. 2.10.10 Setting of relevant registers
b7
b0
Clock control register (address 1F16)
0 : Middle-speed mode (f(XIN)/2)
1 : High-speed mode (f(XIN))
0
b7
b0
CCR
00 0 0
CPMA
0
01
01
CPU mode register A (address 0016)
Sub-clock f(XCIN) oscillating
Main-clock f(XIN) oscillating
Main-clock f(XIN) selected
b7
b0
CPMA
0
11
11
CPU mode register A (address 0016)
Sub-clock f(XCIN) oscillating
Main-clock f(XIN) stopped
Sub-clock f(XCIN) selected



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