Microchip Technology PIC18F57Q43 Curiosity Nano, Hardware User'S Manual

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Table 4-3. Crystal Connections
PIC18F57Q43 Pin Function Shared Functionality
RC0 SOSCO (Crystal output) Edge connector
RC1 SOSCI (Crystal input) Edge connector
Figure 4-2. Crystal Connection and Cut Straps
4.2.4 On-Board Debugger Implementation
PIC18F57Q43 Curiosity Nano features an on-board debugger that can be used to program and debug the
PIC18F57Q43 using ICSP. The on-board debugger also includes a virtual serial port (CDC) interface over UART and
debug GPIO. Microchip MPLAB
®
X IDE can be used as a front-end for the on-board debugger for programming and
debugging. MPLAB Data Visualizer can be used as a front-end for the CDC and debug GPIO.
4.2.4.1 On-Board Debugger Connections
The table below shows the connections between the target and the debugger section. All connections between the
target and the debugger are tri-stated as long as the debugger is not actively using the interface. Hence, since there
are little contaminations of the signals, the pins can be configured to anything the user wants.
For further information on how to use the capabilities of the on-board debugger, see 3.1 On-Board Debugger
Overview .
Table 4-4. On-board Debugger Connections
PIC18F57Q43 Debugger Function Shared Functionality
RF1 CDC TX UART RX (PIC18F57Q43 RX line) Edge connector
RF0 CDC RX UART TX (PIC18F57Q43 TX line) Edge connector
RB7 DBG0 ICSPDAT Edge connector
RB6 DBG1 ICSPCLK Edge connector
RB4 DBG2 GPIO Edge connector and SW0
RE3 DBG3 MCLR Edge connector
PIC18F57Q43 Curiosity Nano
Hardware User Guide
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2020 Microchip Technology Inc.
DS40002186A-page 23