M30280F6HP RENESAS [Renesas Technology Corp], M30280F6HP Datasheet - Page 398

• Manufacturer Part Number: M30280F6HP
• Description: 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/Tiny SERIES
• Manufacturer: RENESAS [Renesas Technology Corp]

M
R
R
20.15 Noise
e
E
1
. v
Figure 20.6 Bypass Capacitor Connection
Figure 20.7 Recommended Print Board Trace around Clock Pins
J
6
0
Connect a bypass capacitor (approximately 0.1 F) across the V
thicker possible wiring. Figure 20.6 shows the bypass capacitor connection.
20.15.1 Trace of Print Board (85-pin Package)
C
2
9
2 /
Creat a layout with thick lines as shown in Figure 20.7 for the trace around clock pins on the print board
to avoid the effect of noise input from other pins to the clock pins (X
0 .
B
0
0
8
0
G
4
J
7
a
o r
0 -
. n
u
2
3
p
0
, 1
0
(
M
2
0
1
0
6
7
C
2 /
page 378
, 8
M
10
9
8
7
6
5
4
3
2
1
1
6
C
P0
P0
P0
P0
P10
P10
Vref
AVcc
P9
P9
2 /
f o
6
6
6
7
7
7
7
8
A
61
1
6
5
3
0
6
5
5
1
8
3
) B
8
P0
P0
P0
P10
P10
P10
P10
P9
P9
P9
5
B
60
63
65
68
71
73
76
79
2
3
7
4
2
7
3
2
7
4
2
0
CNVss
(Vss)*
AVss
P1
59
P1
66
P0
69
P10
(11)
72
P10
75
P9
P9
C
58
4
5
6
1
0
1
1
0
Connecting Pattern
6
3
M16C/28 Group
P8
P8
(Vss)*
RESET
P1
P1
P1
6
55
56
57
(11)
7
/XCOUT
D
9
7
/XCIN
8
4
3
2
VSS
P1
P1
P1
XOUT
Bypass Capacitor
E
52
53
54
11
12
10
Vss
XIN
7
6
5
(Vss)*
P2
P2
P8
Vcc
Vcc
F
50
51
(11)
14
13
13
Connecting Pattern
1
0
5
VCC
G
P2
P2
P2
P8
P8
P8
47
48
49
17
16
15
4
3
2
2
3
4
(Vss)*
P2
P2
P2
P3
P3
P6
P7
P8
P8
(11)
H
44
45
46
37
34
29
26
19
18
7
6
5
2
5
6
1
0
1
CC
P6
P6
P6
P3
P3
P6
P7
P7
P7
J
42
43
41
36
33
31
P6
28
25
23
21
and V
1
0
2
3
6
7
2
4
6
4
IN
, X
P3
P3
P6
P3
P3
P6
P7
P7
P7
P7
K
38
39
40
35
32
30
27
24
22
20
1
0
3
4
7
5
0
3
5
7
OUT
SS
pins using the shortest and
, X
CIN
, X
COUT
).
20. Precautions