18
18-6
OSCILLATOR CIRCUIT
32180 Group User's Manual (Rev.1.0)
If a write cycle to other area exists in this interval,
settings of XDRV bits are not reflected.
XDRVP "1"
XDRVP "0"
XDRV Set value
• Example of correct setting
• Settings that do not have effect
Because a write cycle to other area exists,
the set value is not reflected.
XDRVP "1"
Write to other area
XDRVP "0"
XDRV Set value
(1)
(2)
Because these two consecutive writes comprise a pair,
the next set value is not reflected.
XDRVP "1"
XDRVP "1"
XDRVP "0"
XDRV Set value
Figure 18.1.4 Procedure for Setting the Oscillation Drive Capability
18.1 Oscillator Circuit
Summary of Contents for M32R/ECU Series
Page 17: ...12 This page is blank for reasons of layout...
Page 712: ...CHAPTER 18 OSCILLATOR CIRCUIT 18 1 Oscillator Circuit 18 2 Clock Generator Circuit...
Page 794: ...CHAPTER 22 TYPICAL CHARACTERISTICS...
Page 796: ...APPENDIX 1 MECHANICAL SPECIFICAITONS Appendix 1 1 Dimensional Outline Drawing...
Page 798: ...APPENDIX 2 INSTRUCTION PROCESSING TIME Appendix 2 1 32180 Instruction Processing Time...
Page 802: ...APPENDIX 3 PROCESSING OF UNUSED PINS Appendix 3 1 Example Processing of Unused Pins...