参数资料
型号: ATSTK500
厂商: Atmel
文件页数: 12/61页
文件大小: 0K
描述: PROGRAMMER AVR STARTER KIT
产品培训模块: MCU Product Line Introduction
标准包装: 1
系列: AVR®
类型: MCU
适用于相关产品: Atmel AVR 设备
所含物品: 板,线缆,CD 和文档
产品目录页面: 615 (CN2011-ZH PDF)
配用: ATADAPCAN01-ND - EXTENSION CAN ADD-ON TO STK500/1
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Hardware Description
Figure 3-2. Implementation of LEDs and LED Headers
+5V
VTG
150R
1 2
10K
LEDn
LED0
LED2
LED4
LED6
GND
LED1
LED3
LED5
LED7
VTG
Note:
The AVR can source or sink enough current to drive a 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.
3.2
Description of
User Switches
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
10K
SW0
1 2
SW1
SWn
150R
SW2
SW4
SW6
GND
SW3
SW5
SW7
VTG
SWn
3-2
1925C–AVR–3/03
Note:
In the AVR, the user 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 150R resistor limits the current going into the
AVR.
AVR STK500 User Guide
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相关代理商/技术参数
参数描述
ATSTK500/IAR-C 制造商:Atmel 功能描述:STK500 DEV KIT WITH IAR C
ATSTK501 功能描述:插座和适配器 Expansion module for STK500 Starter Kit RoHS:否 制造商:Silicon Labs 产品:Adapter 用于:EM35x
ATSTK502 功能描述:插座和适配器 Expansion module for STK500 Starter Kit RoHS:否 制造商:Silicon Labs 产品:Adapter 用于:EM35x
ATSTK503 功能描述:插座和适配器 Expansion module for STK500 Starter Kit RoHS:否 制造商:Silicon Labs 产品:Adapter 用于:EM35x
ATSTK504 功能描述:插座和适配器 Expansion module for STK500 Starter Kit RoHS:否 制造商:Silicon Labs 产品:Adapter 用于:EM35x