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AT89S53 Datasheet(PDF) 23 Page - List of Unclassifed Manufacturers

No. de pieza AT89S53
Descripción Electrónicos  State-of-the Art Evaluation Module for 8, 20 & 40-pin Microcontrollers
PDF  26 Pages
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Fabricante Electrónico  ETC2 [List of Unclassifed Manufacturers]
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AT89S53 Datasheet(HTML) 23 Page - List of Unclassifed Manufacturers

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User Manual V2.00 Evalu8r
19
LED Port
The Evalu8r module features 8 LED’s
connected to one contiguous 8-bit
microcontroller I/O port. As some of the I/O
ports have dual functionality it is necessary
to set certain jumpers to ensure that all 8
LED’s are connected.
The table below shows jumper settings and
also the port assignments for 8051 & AVR
microcontrollers.
To disconnect all LED’s simply remove the
resistor SIL pack SL1.
LED
Jumper Settings
8051
AVR
1
Link 1 1-2
P1.0
PB0
2
Link 2 1-2
P1.1
PB1
3
-
P1.2
PB2
4
-
P1.3
PB3
5
-
P1.4
PB4
6
-
P1.5
PB5
7
-
P1.6
PB6
8
-
P1.7
PB7
Figure 43
Figure 44
High RESET Function
1K
LED
Vcc
PORT
(Resistor SIL Pack SL1)



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