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7641 Datasheet(PDF) 266 Page - Renesas Technology Corp

Part # 7641
Description  8-BIT SINGLE-CHIP MICROCOMPUTER
PDF  385 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7641 Datasheet(HTML) 266 Page - Renesas Technology Corp

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Rev.2.00
Aug 28, 2006
page 135 of 148
7641 Group
REJ09B0336-0200
APPLICATION
2.12 Clock generating circuit
2.12 Clock generating circuit
This paragraph explains the registers setting method and the notes related to the clock generating circuit.
Besides, two modes to realize less power dissipation due to the CPU and some peripherals halted are
explained: Stop mode due to STP instruction, Wait mode due to WIT instruction.
2.12.1 Memory map
Fig. 2.12.1 Memory map of registers related to clock generating circuit
006F16
Frequency synthesizer multiply register 2 (FSM2)
Frequency synthesizer multiply register 1 (FSM1)
Frequency synthesizer control register (FSC)
006E16
006D16
006C16
CPU mode register A (CPMA)
Clock control register (CCR)
000016
001F16
Address
Frequency synthesizer divide register (FSD)



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