Microchip Technology ATmega168PB Xplained Mini Manual page 4

Figure 1-1. ATmega168PB Xplained Mini Headers and Connectors
CDC UART
(J104)
NC
Power (J202)
VCC
RESET
3V3
5V
GND
GND
VIN
PC0
Analog I/O (J203)
PC1
PC2
PC3
DIGITAL J200 PC4
PC5
DIGITAL J200
Table 1-1. Default Configurations
Function
Kit power source (J300)
Target power (J301)
ATmega168PB clock
Info:
Changing the default settings requires modification of the kit using a soldering iron.
1) Details on how to change the power settings are described in
2) Details on the mEDBG clock are described in
3) Debugging through debugWIRE may be disabled if the internal oscillator is used.
©
2020 Microchip Technology Inc.
Power source Status Micro USB
(J300) LED Con nector
PB7
User SPI
button (J204)
Default Configuration
5.0V USB powered
5.0V USB powered
16MHz mEDBG clock
User Guide
ATmega168PB Xplained Mini
Target power mEDBG
(J301) (ATmega32U4)
PB5
User External
ATmega168PB
LED Clock
Other Settings
External input VIN
3.3V from the on-board regulator
(2)
Internal oscillator
4.1 Power
3.1.1 Xplained Mini Clock
Introduction
Power
Ground
Target I/O
Shared I/Os
Digital I/O High (J200)
PC5 ANALOG (J203)
PC4
ANALOG (J203)
AREF
GND
PB5
LED / ISP (J204)
PB4 ISP (J204)
PB3
ISP (J204)
PB2
PB1
PB0
PD7
Digital I/O Low (J201)
PD6
PD5
PD4
PD3
PD2
PD1 CDC RX
PD0 CDC TX
(1)
(1)
(3)
Sources.
Output.
DS50002636B-page 4