Mitsubishi Electric M32R Series User Manual page 844

Appendix 3
Appendix 3.1.2 Inserting a Bypass Capacitor between VSS and VCC Lines
Insert a bypass capacitor of about 0.1 µF between VSS and VCC lines in such a way as to meet the
requirements described below.
• The wiring length between VSS pin and bypass capacitor and that between VCC pin and
bypass capacitor are equal.
• The wiring length between VSS pin and bypass capacitor and that between VCC pin and
bypass capacitor are the shortest possible.
• The VSS and VCC lines are comprised of wiring in greater width than that of other signal lines.
VCC
VSS
Figure 3.1.4 Bypass Capacitor between VSS and VCC Lines
PRECAUTIONS ABOUT NOISE
Appendix 3.1 Precautions about Noise
Chip
VCC
VSS
Appendix 3-4
Chip
VCC
VSS
Ver.0.10