Atmel STK526, Руководство пользователя, Страница: 31 / 38

Complete Schematics
STK526 rev. B Hardware User Guide 6-31
7709B–AVR–05/07
Figure 6-1 . Schematics, 1 of 4
UC AP
U
GN
D
U
GN
D
U
GN
D
U
GN
D
PC
4
S
T
K
5
2
6
M
E
Z
Z
A
N
I
N
E
F
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R
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T
K
5
0
0
PD
1
PD4
PD5 D-
X
T
AL
1
X
T
AL
2
D+
PC
7
PC
6
PC4
AVCC
PC5
UVC C
UC AP
X
T
AL
1
1
X
T
AL
2
2
GN
D
3
VC
C
4
PC
2
5
PD
0
6
PD
1
7
PD
2
8
PD3
9
PD4
10
PD5
11
PD6
12
PD7
13
PB0
14
PB1
15
PB2
16
PB3
1
7
PB4
1
8
PB5
1
9
PB6
2
0
PB7
2
1
PC
7
2
2
PC
6
2
3
R
e
s
e
t
#
2
4
PC5
25
PC4
26
UC AP
27
UGN D
28
D+ /SC K
29
D-/ SDAT A
30
UVC C
31
AVCC
32
BT
3
3
U
2
AT
9
0
U
SB1
6
GN
D
GN
D
PB4 PB5
PD7 UGN D
PD6
PB6 PB7
PD3
PD
2
PB0
VC
C
R
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PB1
PB2
PB3
N
o
t
e
:
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1
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C
2
5
4
7
1
T
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VBU
S
VBU
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UGN D UGN D UGN D UGN D UGN D UGN D UGN D UGN D UGN D UGN D UGN D UGN D UGN D UGN D UGN D UGN D UGN D UGN D UGN D UGN D UGN D UGN D UGN D UGN D UGN D UGN D
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7
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2
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3
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4
PC
2
5
PD
0
6
PD
1
7
PD
2
8
PD3
9
PD4
10
PD5
11
PD6
12
PD7
13
PB0
14
PB1
15
PB2
16
PB3
1
7
PB4
1
8
PB5
1
9
PB6
2
0
PB7
2
1
PC
7
2
2
PC
6
2
3
R
e
s
e
t
#
2
4
PC5
25
PC4
26
UC AP
27
UGN D
28
D+ /SC K
29
D-/ SDAT A
30
UVC C
31
AVCC
32
U
1
AT
9
0
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6
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F
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C
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Pin
4
PB4
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PB5
PD7
PD6
PB6
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2
4
7
K
PB7
PD3
D
-
1
T
P2
D
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PD
2
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R
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R
4
2
2
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3
2
2
PB2
PB3
D
EC
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PL
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C
APAC
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OR
S
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L
OSED
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O
T
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D
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C
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M
C
U
Pin
3
1
PB[
7
.
.
0
]
N
R
ST
D
+
D
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R
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3
1
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F
PC
2
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C
D
EC
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PL
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APAC
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S
C
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T
O
T
H
E
D
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C
E
M
C
U
Pin
3
2
PD
0
C
R
2
PGB0
0
1
0
6
0
3
N
o
t
e
:
U
1
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s
m
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a
T
Q
F
P
3
2
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