Complete Schematics
STK520 User Guide
6-20
7510A–AVR–08/05
Figure 6-2. Schematics, 2 of 4
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
PD
4
PD
2
PD
3
PD
3
PD
4
PD
4
PE0
PD[7..0]
PD[7..0]
PE[2
..0
]
VT
G
VT
G
VT
G
VT
G
VT
G
Title
S
iz
e
Docum
ent
Num
ber
Rev
Dat
e:
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heet
of
<
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1.
6.
0
IS
P
, MO
N
C
O
M,
D
A
L
I
A
24
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
IS
P
, MO
N
C
O
M,
D
A
L
I
A
24
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
IS
P
, MO
N
C
O
M,
D
A
L
I
A
24
W
ednesday
, Novem
ber 10,
2004
ST
K520 MEZZA
NI
NE FOR ST
K500
DALI INTERFACE
R3
1K5
R3
1K5
TP
T7
Rx
TP
T7
Rx
R13
1K
R13
1K
C6
100nF
C6
100nF
D4
RED
D4
RED
R14
10K
R14
10K
1
4
3
2
-+
BR1
MB
2
S
-+
BR1
MB
2
S
1
2
3
Q4
B
C
857B
Q4
B
C
857B
R12
10K
R12
10K
PD
O
1
VC
C
2
SC
K
3
PD
I
4
R
ESET
5
GND
6
CON 2x
3
J4
ISP CON
CON 2x
3
J4
ISP CON
R11
100K
R11
100K
C5
1nF
C5
1nF
R10
10R
R10
10R
1
2
D1
BAS1
6
D1
BAS1
6
R9
10K
R9
10K
Q3
B
C
847B
Q3
B
C
847B
TP
T6
Tx
TP
T6
Tx
R8
10K
R8
10K
R5
2K
2
R5
2K
2
1
2
JP4
RxD DA
LI
JP4
RxD DA
LI
1
2
JP5
T
x
D DA
LI
JP5
T
x
D DA
LI
Q5
FM
M
T
491A
Q5
FM
M
T
491A
1
2
3
Q2
B
C
857B
Q2
B
C
857B
R7
10K
R7
10K
+
C4
10µ
F
+
C4
10µ
F
TP
T5
DA
LI
TP
T5
DA
LI
1
2
J3
DALI
J3
DALI
R15
10K
R15
10K
D3
G
R
EEN
D3
G
R
EEN
R6
10K
R6
10K
R4
1K5
R4
1K5