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7540 Datasheet(PDF) 217 Page - Renesas Technology Corp

Part # 7540
Description  8-BIT CISC SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 740 SERIES
PDF  366 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7540 Datasheet(HTML) 217 Page - Renesas Technology Corp

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2-141
REJ09B0018-0200Z
Rev.2.00
Jun 21, 2004
7540 Group
APPLICATION
2.9 Reset
Fig. 2.9.8 Setting method for the oscillation stop detection circuit in main processing
Process: Start on-chip oscillation when it is stopped.
b7b0
CPU mode register (CPUM) [Address 3B16]
On-chip oscillatior oscillation enabled
0
0
Process 2: Set ceramic or RC oscillation stop detection function active bit.
b7b0
Detection function active (Note)
0
01
MISRG (MISRG) [Address 3816]
0
00
0
0
Note: When some error occurs in the oscillation circuit, system is released from reset
after setting of Process 2 is executed.



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