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willem SCH3Bx

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2
STB
BUSY
ACK
DO4
1
15
DO4
DO5
DO6
DO7
SELIN
AUTO
ACK
BUSY
2
4
6
10
12
14
D
U2
74HC367 or CD4503
3
D1
Q1
5
D2
Q2
7
D3
Q3
9
D4
Q4
11
D5
Q5
13
D6
Q6
D7
D6
D5
D4
D3
D2
D1
D0
D4
D5
D6
D7
S4
P8
P7
P6
P5
P4
P3
P2
P1
DS
Q8
Q7
Q6
Vcc1
U12D
74HC04
R2
10k
E1
E1
DATA
U12E
74HC04
1
S6
2
11
15
1
14
D
CLK
RST
Q0
Q1
Q2
Q3
13
12
11
2
A0
A1
A2
A3
U4B
4015
A13
7
CLK
X13
S17
9
6
D
CLK
R
Q0
Q1
Q2
Q3
5
4
3
10
A4
A5
A6
A7
U5A
4015
X11
15
CLK
J2
4/2PIN
A11
7
WE
9
6
S15
D
CLK
R
Q0
Q1
Q2
Q3
5
4
3
10
1
14
R24
10k
CLK
RST
Q0
Q1
Q2
Q3
13
12
11
2
24
22
31
A12
A13
A14
A15
VCC
VPP
J4
8PIN
1
2
3
4
5
6
7
8
VPP
R21
2k2
LED
LED1
RED
Q2
BC547 or similar
GREEN
R5
10k
R3
100k
Q5
BC547 or similar
R1
10k
9
6
D
CLK
R
3
L1
J3
3PIN
S4
1
D1
2
DATA2
DO
3
2
1
3
4
1
2
3
A20
A21
A22
A23
R19
2k2
2
3
D1
1N4148
DC
DI
ORG
DO
GND
CS
SERO
WP
GND
VCC
HOLD
CLK
SERIN
VCC
A1
HOLD
A2
CLK
DATA
ISWC
ISWE
4
GND
7
D3
1N4148
6
R11
15k
R26
10k
VPP
CLK
A19
A22
A21
A20
P1
A19
A23
1
2
3
4
5
6
7
8
9
RA1
RA3
RTCC
VPP
GND
RB0
RB1
RB2
RB3
RA1
RA0
OSC1
OSC2
VCC
RB7
RB6
RB5
RB4
J7
3PIN
C7
100nF
5
R18
20k
1
2
3
R15
2k2
C3
47uF/35V
8
J6
3PIN
7
6
5
D4
4001
DATA2
8
7
3
+5V
S4
R25
1k2
6
C4
33uF
B
U13
LM7805CT
D12
4001
VCC
A0
GND
1
2
8
5
COMP
IDC
C5
33uF
C6
100nF
5
Vin
18
17
16
15
14
13 RB7
12 RB6
11
10
D6
4001
C1
470uF
DC9V
VCC
J8
3PIN
VCC
C9
100nF
D7
4001
D10
1N4148
LED2
Red
DATA
J5
DC-JACK
1
2
3
D5
4001
1
PIC
16F84
DIPSW12
VPP
CLK
VCC
U15
24CXX
1
4
5
4
3
10
CS
6
VCC
IPK
8
100uH
U10
25CXX
S4
U9
Q0
Q1
Q2
Q3
Vcc1
U14
93C46
P1
1
TCAP
7
R16
220
D1
VPP
C
U11
MC34063A
4
A16
A17
A18
A19
R17
C2
0R5
220pF
R4
2k2
DO
1
2
3
4
5
6
7
8
9
10
11
12
7
D0
D1
D2
D3
D4
D5
D6
D7
32
OE
CE
WR
U6B
4015
CLK
13
14
15
17
18
19
20
21
Vcc1
S15
Vcc1
S15
S14
S14
OE
OE
CE
S17
S17
WE
WE
D
OE
CE
WE
D0
D1
D2
D3
D4
D5
D6
D7
24
23
22
21
20
19
18
17
16
15
14
13
15
CLK
A
A8
A9
A10
A11
U6A
4015
CLK
D
R23
10k
13
12
11
2
U5B
4015
CLK
B
CLK
RST
Q0
Q1
Q2
Q3
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
VPP
A
A15
S4
A14
S6
VPP
S4
Vcc1
A17
S4
A18
5
6
D
12
11
10
9
8
7
6
5
27
26
23
25
4
28
29
3
2
30
A
1
2
3
4
1
14
A0
A1
A2
A3
A4
A5
A6
A7
A8
X9
A10
X11
A12
X13
S14
S15
A16
S17
A18
CLK
R9
2k2
R12
4k7
DATA2
U7
ZIF32
U4A
4015
VPP
Vcc1
10
CE
R22
2k2
1
2
C10
100nF
Vcc1
Q1
BC547 or similar
3
4
5
D
Q4
BC557 or similar
R8
1k2
3
12
2
A9
D
R10
2k2
VPP
Vcc1
U12F
74HC04
C
J1
2/3PIN
R13
10k
Q3
BC327 or similar
Rx
100k
CLK
P/S
1
15
14
13
4
5
6
7
11
R7
2k2
3
2
1
1
15
D9
1N4148
X9
6
R6
2k2
U1
4014
10
9
U12A
74HC04
D8
1N4148
12
3
5
U12B
74HC04
E1
E1
DO5
DO6
D0
D1
D2
D3
D
CLK
U12C
74HC04
R20
56
13
2
4
6
10
12
14
U3
74HC367 or CD4503
3
D1
Q1
5
D2
Q2
7
D3
Q3
9
D4
Q4
11
D5
Q5
13
D6
Q6
4
DO0
DO1
DO2
DO3
DO7
8
GND
RPACK
10K
2
3
4
5
6
7
8
9
7
INIT
STB
AUTO
DO0
DO1
INIT
DO2
SELIN
DO3
6
2
DO0
DO1
DO2
DO3
DO4
DO5
DO6
DO7
5
9
1
VCC
4
STB
INIT
BUSY
ACK
PRINTER
DB25 MALE
1
14
2
15
3
16
4
17
5
18
6
19
7
20
8
21
9
22
10
23
11
24
12
25
13
D
3
8
1
1
2
3
D11
1N4148
C8
100nF
ICSP
VPP
Vcc1
GND
RB7
RB6
A
Title
Size
Number
Revision
A3
Date:
File:
1
2
3
4
5
6
19-Apr-2002
C:\CAD\SCH\WIL1.SCH
7
Sheet of
Drawn By:
8
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