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Using the STK520 Top Module
2.6
2.6.0.1
2.6.0.2
2-13
Potentiometer
XT1 Jumper
RESET Jumper
The STK520 includes a potentiometer. To use the potentiometer, please mount JP13
and JP14 jumper.
The potentiometer is supplied by AREF and it delivers a voltage to the AVR ADC0 input.
Figure 2-10. Potentiometerr
As the jumper JP1 (XT1) is short circuited by Printed Circuit Board wire, it’s always ON.
So it’s not mounted. To open this jumper, it’s necessary to cut the wire between JP1 pin
(solder side).
It’s possible to open XTAL1 circuit which comes from STK500 board by removing the
XTAL1 jumper on the STK500 board.
As the jumper JP3 (RESET) is short circuited by Printed Circuit Board wire, it’s always
ON. So it’s not mounted. To open this jumper, it’s necessary to cut the wire between
JP3 pin (solder side).
It’s possible to open RESET circuit which comes from STK500 board by removing the
RESET jumper on the STK500 board.
STK520 User Guide
7510A–AVR–08/05
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相关PDF资料
ATSTK521 EXPANSION MODULE ATSTK500
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ATSTK525 KIT STARTER FOR AT90USB
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AU-Y1005-3-R CONN USB 3.0 R/A FMAL TYPE-A PCB
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AU-Y1006-2-R CONN USB 2.0 R/A FMAL TYPE-A SMD
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相关代理商/技术参数
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