ISPR5Circuits(1).pdf

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ALE/PROG
30
1
2
3
4
5
6
7
8
13
12MHz
XTAL1
19
GND
20
Gnd
P3.4
P3.5
P3.6
5V V+
VDD
2
V0
3
6
E
4
RS
11
D4
12
D5
13
D6
14
D7
5V V+
Gnd
BLA
15
BLK
16
Gnd
RW
D0
D1
D2
1
5
7
8
9
14
15
16
39
38
37
36
35
34
33
32
10
11
12
23
24
25
26
27
28
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
P3.0
P3.1
P3.2
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P3.3
4.7K x 8
V+
5V
DD8
DD9
DD10
DD11
DD12
DD13
DD14
DD15
4
6
8
10
12
14
16
18
DD0
DD1
DD2
DD3
DD4
DD5
DD6
DD7
17
15
13
11
9
7
5
3
5V V+
250R
5V
+
0.1uF
10uF
8.2K
RST
LED
30pF
x2
XTAL2
18
VCC
EA
40
31
9
21
DMARQ
Gnd
27
IODRY
V+
MOSI
MISO
SCK
Rest
Gnd
39
/DASP
20
Keypin
DMAC
29
K
32
reserved
34
PDIAG
28
CSEL
5V
V+
P1.5
P1.6
P1.7
Rest
Gnd
40
6
7
8
9
20
ISP
Port
P3.7
17
PSEN
29
P2.1
22
P2.0
21
2K
RESET
1
/DIOW
23
/DIOR
25
INTRQ
31
/CS0
/CS1
DA0
DA1
DA2
37
38
35
33
36
Gnd
2
19
22
24
26
30
40
Gnd
Gnd
Gnd
Gnd
Gnd
Gnd
Gnd
Gnd
V+
10K
Data
Gnd
5V
V+
P3.3
Gnd
40
13
20
IR
Receiver
89S52
ATAPI
CD-Rom
Date
25 Dec 2004
Drawn By
Leo Lau
D3
10
16x2
LCD

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