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AVR16EB32 데이터시트(PDF) 22 Page - Microchip Technology

부품명 AVR16EB32
상세설명  AVR16EB32 Curiosity Nano
PDF  46 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

AVR16EB32 데이터시트(HTML) 22 Page - Microchip Technology

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AVR16EB32 Curiosity Nano
Hardware Implementation
 User Guide
© 2024 Microchip Technology Inc. and its subsidiaries
DS50003605B - 22
Figure 4-2. Crystal Cut Straps
Y100
J111
J110
J109
J108
J107
C105
R100
C104
Info: The series resistor R100 may be required to limit the drive strength of the crystal. If no resistor
is required, the pads of R100 can be connected with a solder blob.
Important: PA0 and PA1 are used as the I2C pins on the edge connector.
Disconnecting PA0 and PA1 from the edge connector may disable some
functionality with connected base boards.
The crystal has a cut strap (J111), which can be used to measure the oscillator safety factor and is
done by cutting the strap and adding a 0402 SMD resistor across the strap. The AN2648 application
note from Microchip contains more information about oscillator allowance and safety factors.
Figure 4-2 shows the cut straps and solder points.
4.2
LED
One yellow user LED is available on the AVR16EB32 Curiosity Nano board. Either GPIO or PWM can
control it. Driving the connected I/O line to GND can also activate the LED.
Figure 4-3. AVR16EB32 Curiosity Nano LED0 Block Diagram
AVR16EB32 MCU
R104
PF5
Edge Connector
"PF5"
VCC
LED0
Debugger
Level Shi er
J105
"DBG1"
U205
DBG1
Table 4-2. LED Connection
AVR16EB32 Pin
Function
Shared Functionality
PF5
Yellow LED0
Edge connector, On-board debugger
4.3
Mechanical Switch
The AVR16EB32 Curiosity Nano board has one mechanical switch - a generic user-configurable
switch. Pressing it will connect the I/O pin to ground (GND).



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