Microchip Technology ATmega4809 Curiosity Nano User Manual page 12

Figure 3-4. Onboard Debugger Connections to the ATmega4809
USB
By cutting the GPIO straps with a sharp tool, as shown in
debugger and the ATmega4809 are completely disconnected. To completely disconnect the target
regulator, cut the VTG strap shown in
Info: Cutting the connections to the debugger will disable programming, debugging, data
streaming, and the target power supply. The signals will also be disconnected from the board
edge next to the onboard debugger section.
Info: Solder in 0Ω resistors across the footprints or short-circuit them with tin solder to
reconnect any cut signals.
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2018 Microchip Technology Inc.
VBUS VOFF
VBUS
LDO
LDO
VCC_P3V3
PA04/PA06
PA07
PA08
PA16
Level-Shift
PA00
PA01
DIR x 5
CDC RX
CDCTX
Figure 3-5.
ATmega4809 Curiosity Nano
VTG
VCC_LEVEL VCC_TARGET
CUT STRAPS
DBG0
DBG1
DBG2
DBG3
CDC TX
CDC RX
Figure 3-5, all I/Os connected between the
User Guide
Curiosity Nano
TARGET
DBG0
DBG1
DBG2
DBG3
DS50002804A-page 12