CDB8420
DS245DB4
9
A
B
C
D
E
SCHM DWG CDB8420 (600-00100-01)
D
C
S
8420 Marketing Evaluation Board
B
33
Wednesday, November 12, 2003
Title
Siz
e
Document Number
Rev
Date:
S
heet
of
Semiconductor Products Division
D1
D3
D5
D3
D7
D4
D[0-7]
D5
D7
D0
D4
D4
D2
D7
D1
D2
D5
D0
D6
D6
D2
D6
D0
D1
D3
A[8-14]
A14
A13
A12
A11
A10
A9
A8
A8
A9
A11
A10
A13
A14
A12
SUP1
SUP2
SUP3
SUP4
SUP5
SUP0
APMS
SFMT
0
SFMT
1
H/S
MUTE
S/AES
CEN
MRST
TCBLD
/PGM
CDOUT
CDIN
CCLK
/CS
/RESET
INT
VD
VD
VD
VD
VD
VD
VD
VD
VD
L4
FERRITE BEAD
TP3
1
S6
SW DIP-8
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
R35
100
TP2
9
U11
74HC4053
12
13
2
1
5
3
6
11
10
9
14
15
4
X0
X1
Y0
Y1
Z0
Z1
INH
A
B
C
X
Y
Z
RN1
8x 47K
2
3
4
5
6
1
7
8
9
TP3
0
D5
LED_G
2
1
R30
825
U7
74HC573
2
3
4
5
6
7
8
9
11
1
19
18
17
16
15
14
13
12
D1
D2
D3
D4
D5
D6
D7
D8
C
OC
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
U2D
74VHC125
12
11
13
C33
1000pF
C30
.1uF
+
C23
1uF 50V
+
C24
1uF 50V
C31
.1uF
+
C32
1uF 50V
J9
HDR5X2
1
3
2
4
5
6
7
8
9
10
D10
LED_G
2
1
R36
100
R37
100
R32
1K
C34
.1uF
U10
6.000MHz
1
7
8
14
NC
GND
Out
VD
J10
HDR6X2
1
3
2
4
5
6
7
8
9
10
11
12
R31
2 Ohms
TP3
2
U5
74HC574
2
3
4
5
6
7
8
9
11
1
19
18
17
16
15
14
13
12
D1
D2
D3
D4
D5
D6
D7
D8
CLK
OC
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
U6
HM628512
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
A18
A16
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
D0
D1
D2
D3
D4
D5
D6
D7
/CS
A10
/OE
A11
A9
A8
A13
/WE
A17
A15
U8
ATmega103
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
/PEN
PE0/RXD
PE1/TXD
PE2
PE3
PE4
PE5
PE6
PE7
PB0/CS
PB1/CCLK
PB2/CDIN
PB3/CDOUT
PB4
PB5
PB6
PB7
TOSC2
TOSC1
/RST
VD
GND
XTAL2
XTAL1
PD0/INT0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
/WR
/RD
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
ALE
PA7(AD7)
PA6(AD6)
PA5(AD5)
PA4(AD4)
PA3(AD3)
PA2(AD2)
PA1(AD1)
PA0(AD0)
VD
GND
PF7(ADC7)
PF6(ADC6)
PF5(ADC5)
PF4(ADC4)
PF3(ADC3)
PF2(ADC2)
PF1(ADC1)
PF0(ADC0)
AREF
AGND
AVCC
R33
680
D7
1N4148
1
2
D6
1N4148
1
2
U9
DS232
11
14
13
12
1
3
10
7
8
9
4
5
2
6
15
16
T
1
I
N
T1 OUT
R
1
I
N
R1 OUT
C1+
C1-
T
2
I
N
T2 OUT
R
2
I
N
R2 OUT
C2+
C2-
V+
V-
GND
VD
C35
.1uF
C36
.1uF
R34
680
P1
CONNECTOR DB9
5
9
4
8
3
7
2
6
1
D8
LED_G
2
1
D9
LED_R
2
1
C37
.1uF
C39
.1uF
C38
.1uF
C28
.1uF
C27
.1uF
C26
.1uF
C25
.1uF
C29
.1uF
F
igur
e 4.
Atm
e
l AVR
R
ISC
M
ic
ro-c
o
ntr
o
ll
er
