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PDF STK500 Data sheet ( Hoja de datos )
| Número de pieza | STK500 | |
| Descripción | Avr Professional Dev System | |
| Fabricantes | Atmel Corporation | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de STK500 (archivo pdf) en la parte inferior de esta página. Total 55 Páginas | ||
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STK500
.............................................................................
User Guide
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Introduction
Figure 1-1. STK500
1.2
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Device Support
The system software currently has support for the following devices in all speed grades:
AT90S1200
AT90S2313
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AT90S2323 DataSheet4U.com
AT90S2333
AT90S2343
AT90S4414
AT90S4433
AT90S4434
AT90S8515
AT90S8535
ATmega161
ATmega163
ATtiny11
ATtiny12
ATtiny15
ATtiny28
Support for new AVR devices may be added in new versions of AVR Studio. The latest
version of AVR Studio is always available from www.atmel.com.
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STK500 User Guide
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Hardware Description
Figure 3-2. Implementation of LEDs and LED Headers
+5V
VTG
10K
LEDn
150R
12
LED0
LED1
LED2
LED3
LED4
LED5
LED6
LED7
GND
VTG
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Description of
User Switches
Note:
The AVR can source or sink enough current to drive an LED directly. In the
STK500 design, a transistor with two resistors is used to give the same amount
of light from the LED, whatever the target voltage (VTG) may be, and to turn off
the LEDs when VTG is missing.
The switches connected to the debug headers are implemented as shown in Figure 3-3.
Pushing a switch causes the corresponding SWx to be pulled low, while releasing it will
result in VTG on the appropriate switch header connector. Valid target voltage range is
1.8V < VTG < 6.0V.
Figure 3-3. Implementation of Switches and Switch Headers
VTG
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150R
SWn
10K
SWn
12
SW0
SW2
SW4
SW6
GND
SW1
SW3
SW5
SW7
VTG
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Note:
In the AVR you can enable internal pull-ups on the input pins, removing the
need for an external pull-up on the push button. In the STK500 design we have
added an external 10K pull-up to give all users a logical “1” on SWn when the
push button is not pressed. The 560R resistor limits the current going into the
AVR.
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STK500 User Guide
11 Page | ||
| Páginas | Total 55 Páginas | |
| PDF Descargar | [ Datasheet STK500.PDF ] | |
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