m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 538

• Manufacturer Part Number: m37905
• Description: Mitsubishi 16-bit Single-chip Microcomputer 7700 Family / 7900 Series
• Manufacturer: Renesas Electronics Corporation.

Fig. 7 Processing for analog power source pins, etc.
(2) Processing for analog power source pins, etc.
Reasons: Prevents the A-D converter and D-A converter from noise on the Vcc line.
Use independent power sources for the Vcc, AVcc and V
Insert capacitors between the AVcc and AVss pins, and between the V
M37905
AVcc
AVss
V
AN
REF
i
C1
C2
7905 Group User’s Manual Rev.1.0
(sensor, etc.)
Appendix 7. Countermeasure against noise
Reference values
Note : Connect capacitors using the
C1
REF
thickest, shortest wiring possible.
0.47 F
pins.
C2
REF
and AVss pins.
APPENDIX
0.47 F
20-107