20
20-4
Ver.0.10
20.2.2 Power-On Sequence When Using RAM Backup
The diagram below shows a power-on sequence (5.0 V, 3.3 V power supply) of the M32R/E when
using RAM backup.
Figure 20.2.2 Power-On Sequence When Using RAM Backup
➀
: Turn on the 3.3 V power supply after turning on the 5 V power supply.
➁
:
____________
After turning on all power supplies and holding the RESET pin low for an oscillation
____________
stabilization time, release the RESET pin input back high (to deactivate reset).
Note: Power-on limitations
• VDD OSC-VCC VCCI FVCC
• VCCE VCCI, FVCC, OSC-VCC
VCCE
AVCC0,
AVCC1
VREF0,
VREF1
RESET
VDD
VCCI
FVCC
OSC-VCC
5V
5V
5V
5V
3.3V
3.3V
3.3V
3.3V
0V
2.0V
0V
0V
0V
0V
0V
0V
0V
2
1
Summary of Contents for M32170F3VFP
Page 42: ...1 1 24 Ver 0 10 OVERVIEW 1 4 Pin Layout This is a blank page ...
Page 56: ...2 2 14 Ver 0 10 This is a blank page ...
Page 88: ...3 3 32 Ver 0 10 ADDRESS SPACE 3 7 Notes on Address Space This is a blank page ...
Page 270: ...9 9 40 Ver 0 10 DMAC 9 4 Precautions about the DMAC This is a blank page ...
Page 614: ...12 12 64 Ver 0 10 This is a blank page SERIAL I O 12 9 Precautions on Using UART Mode ...
Page 756: ...17 17 10 Ver 0 10 RAM BACKUP MODE 17 4 Exiting RAM Backup Mode Wakeup This is a blank page ...
Page 762: ...18 18 6 Ver 0 10 OSCILLATION CIRCUIT 18 2 Clock Generator Circuit This is a blank page ...
Page 831: ...CHAPTER 22 CHAPTER 22 TYPICAL CHARACTERISTICS 22 1 A D Conversion Characteristics ...
Page 833: ...Appendix 1 1 Dimensional Outline Drawing APPENDIX 1 APPENDIX 1 MECHANICAL SPECIFICATIONS ...
Page 841: ...Appendix 3 1 Precautions about Noise APPENDIX 3 APPENDIX 3 PRECAUTIONS ABOUT NOISE ...