Complete Schematics
STK520 User Guide
6-22
7510A–AVR–08/05
Figure 6-4. Schematics, 4 of 4
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
PD
1
PB6
PB5
PB2
PB1
PB0
PB[
7.
.0
]
PE0
PE1
PE[
2.
.0
]
PB7
PD
7
PD
5
PD
4
PD
3
PD
2
PD
0
P
D
[7
..0
]
PD
6
PE2
PB[7
..0
]
PE[2
..0
]
PD[7..0]
VT
G
_
SO
AVT
G
AREF
_
S
O
P
B
3_S
O
P
B
4_S
O
Title
S
iz
e
Docum
ent
Num
ber
Rev
Dat
e:
S
heet
of
<
D
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1.
6.
0
M
ICRO
CO
NT
RO
L
L
ER 24
PI
N SO
CKET
A
44
W
ednesday
, Novem
ber 10,
2004
Title
S
iz
e
Docum
ent
Num
ber
Rev
Dat
e:
S
heet
of
<
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o
c>
1.
6.
0
M
ICRO
CO
NT
RO
L
L
ER 24
PI
N SO
CKET
A
44
W
ednesday
, Novem
ber 10,
2004
Title
S
iz
e
Docum
ent
Num
ber
Rev
Dat
e:
S
heet
of
<
D
o
c>
1.
6.
0
M
ICRO
CO
NT
RO
L
L
ER 24
PI
N SO
CKET
A
44
W
ednesday
, Novem
ber 10,
2004
ST
K520 MEZZA
NI
NE FOR ST
K500
PD
0
1
PE0
2
PD
1
3
PD
2
4
PD
3
5
VC
C
6
GND
7
PB0
8
PB1
9
PE1
10
PE2
11
PD
4
12
PD
5
13
PD
6
14
PD
7
15
PB2
16
AVC
C
17
AG
N
D
18
AR
EF
19
PB3
20
PB4
21
PB5
22
PB6
23
PB7
24
SOIC24
U102
24 P
in S
o
ck
et
SOIC24
U102
24 P
in S
o
ck
et
C14
100nF
C14
100nF
P1
100K
P1
100K
C13
100nF
C13
100nF
C12
100nF
C12
100nF
1
2
JP13JP13
1
2
JP14JP14
Summary of Contents for STK520
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