CHAPTER 6: JUMPERS, CONNECTORS AND INTERFACES
In this chapter you will find the description of the jumpers and what signals might be found on the
different connectors.
6.1 JUMPER DESCRIPTION
PIC32-HMZ144 has no re-configurable jumpers.
6.2 INPUT/OUTPUT
User button with name BUT – connected to PIC32MZ's pin #59 (AN7/RB12). BUT can be accessed
via software means.
Reset button with name RST – connected to PIC32MZ's pin #20 (#MCLR).
Status LED (green) with name LED1 – connected to PIC32MZ's pin #45 (EBIRP/RG2). LED1's
behavior can be programmer.
Power supply red LED with name PWR – indicates that 5V power supply is available. Cannot be
programmed.
6.3 EXTERNAL CONNECTOR DESCRIPTION
In this sub-chapter you would find the pinout of the most interfaces. It is also a good practice to
refer to the latest schematic.
6.3.1 ICSP CONNECTOR
The ICSP connector is used for serial programming. It is the place where most common PIC32-
compatible programmers and debuggers are connected. The pins have 0.1'' step. If your
programmer/debugger has only the smaller 0.05'' connector you might need an adapter or you
should use jumper wires.
Pin #
Signal name
1
RSTN
2
3.3V
3
GND
4
PGED2
5
PGEC2
6
NC
PGED2
conducts I/O operations for the “Program Data” signal. Serial data for programming.
PGEC2
serves only as input for the “Program Clock” signal. Clock used for transferring the serial
data (output from ICSP, input for the MCU).
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