Renesas M30880T-EPB - page 47

M30880T-EPB User’s Manual 2. Setup
REJ10J0497-0100Z Rev.1.00 January 16, 2005 Page 47 of 100
2.10.3 A/D Conversion Bypass Capacitors
There is a foot pattern on the M30880T-EPBM board for mounting bypass capacitors for the A/D conversion circuit. Mount
applicable bypass capacitors as occasion demands. Figure 2.23 shows where they are installed.
M30880T-EPBM REV.B
MADE IN JAPAN
AVCC
AVSS VSS XOUT
NCXCINP87 NC
P86
SW2SW1 SW3 SW4
C 1
C 2
EXT INT VCONT
JP1
VCC1=2
VCC1>2
C 4
C 3
O
N
1 8 2 3 4 5 6 7
SW5
RENESAS
C1 C2
VREF
AVSS
AVCC
AVSS
C1: Vref-Avss bypass capacitor
C2: AVcc-Avss bypass capacitor
Figure 2.23 Foot pattern for the A/D conversion bypass capacitor
IMPORTANT
Note on the A/D Converter:
 Because a converter board and other devices are used between the evaluation MCU and the user system, the
A/D converter operates differently from an actual MCU. Make the final evaluation of the A/D converter using
an actual MCU.