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AVR16EB32 数据表(PDF) 13 Page - Microchip Technology

部件名 AVR16EB32
功能描述  AVR16EB32 Curiosity Nano
PDF  46 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

AVR16EB32 数据表(HTML) 13 Page - Microchip Technology

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AVR16EB32 Curiosity Nano
On-Board Debugger
 User Guide
© 2024 Microchip Technology Inc. and its subsidiaries
DS50003605B - 13
...........continued
Debugger Pin
AVR16EB32 Pin
Description
DBG2
PF6
SW0/GPIO0
Debug GPIO0/SW0
DBG3
PF6
MCLR
Reset line
ID
—
—
ID line for extensions
NC
—
—
No connect
VBUS
—
—
VBUS voltage for external use
VOFF
—
—
Voltage Off input. Disables the target regulator
and target voltage when pulled low.
VTG
—
—
Target voltage
GND
—
—
Common ground
Figure 3-1. Curiosity Nano Debugger Pinout
USB
DEBUGGER
PS LED
NC
ID
CDC RX
CDC TX
DBG1
DBG2
VBUS
VOFF
DBG3
DBG0
GND
VTG
CURIOSITY NANO
Tip: For the complete AVR16EB32 Curiosity Nano pinout, see the AVR16EB32
Curiosity Nano Pinout.
3.3
Debugger USB Enumeration
The on-board debugger on the AVR16EB32 Curiosity Nano board appears as a Human Interface
Device (HID) on the host computer’s USB subsystem. The debugger supports full-featured
programming and debugging of the AVR16EB32 using MPLAB X IDE and some third-party IDEs.
Remember: Keep the debugger’s firmware up-to-date. Firmware upgrades
automatically when using MPLAB X IDE.
3.4
Virtual Serial Port (CDC)
The virtual serial port (CDC) is a general purpose serial bridge between a host PC and a target
device.
3.4.1
Overview
The on-board debugger implements a composite USB device with a standard Communications
Device Class (CDC) interface, which appears on the host as a virtual serial port. Use the CDC to
stream arbitrary data between the host computer and the target in both directions: All characters
sent through the virtual serial port on the host computer will be transmitted as UART on the
debugger’s CDC TX pin. The UART characters captured on the debugger’s CDC RX pin will be
returned to the host computer through the virtual serial port.



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