Atmel AT89C51, Приложение

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Uploading a Hex File
Run Procomm Plus and use the proper dialing directory
entry to dial the remote station.
After the connection with the remote station is estab-
lished, press the ’PgUp’ key and select ’1’ (External Pro-
tocol 1) from the menu of upload protocols. This will exe-
cute the ASPECT script associated with External Protocol
1.
When prompted, enter the name of the file to be uploaded,
including the extension and path, if required.
When the upload is complete, press ALT-H to hang up
and ALT-X to exit Procomm Plus and return to DOS.
D0
D1
D2
D3
D4
D5
D6
A0
A1
WR
DL1414T
U2
8
9
10
11
2
1
12
5
4
D0
D1
D2
D3
D4
D5
D6
A0
A1
WR
DL1414T
U3
8
9
10
11
2
1
12
5
4
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
D0
D1
D2
D3
D4
D5
D6
A0
A1
WR
DL1414T
U4
8
9
10
11
2
1
12
5
4
D0
D1
D2
D3
D4
D5
D6
A0
A1
WR
DL1414T
U5
8
9
10
11
2
1
12
5
4
21
22
23
24
25
26
27
28
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
39
38
37
36
35
34
33
32
PSEN
ALE/PROG
P3.6/WR
P3.7/RD
29
30
16
17
AT89C51
P3.0/RXD
P3.1/TXD
P3.2/INT0
P3.3/INT1
P3.4/T0
P3.5/T1
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
1
2
3
4
5
6
7
8 8
7
6
5 1
2
3
4
10
11
12
13
14
15
U1
EA/VPP
X1
X2
RST
31
19
18
9
C3
30 pF
C2
30 pF
R1
8.2 K
C1
10 uF
VCC
Note: 0.1 uF bypass caps on all ICs.
SW DIP-4
S1
3
3
3
3
+
Y1
6 MHz
Figure 1. AT89C51 Moving Display Application Example
4-14
Microcontroller