chipKIT MX3

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chipKIT MX3
chipKIT MX3
Specifications
Controller PIC32MX320F128H
Flash 128kB
RAM 16kB
Speed 80 MHz
Links
Designer Digilent Inc.
Product Page digilentinc.com
User Guide chipkit_mx3_rm.pdf
Schematic chipkit_mx3_sch.pdf
Tech Support chipkit.net/forum
Board Files Eagle (ZIP)
Bootloader HEX Bootloader Image (ZIP)
Purchase From Microchip

The chipKIT MX3 by Digilent is a microcontroller development board based on the PIC32MX320F128H MCU. It is compatible with Digilent`s line of Pmod™ peripheral modules, and is suitable for use with the MPLAB® IDE and PICkit programmers. The chipKIT MX3 is also compatible with the chipKIT-core™ development environment and Arduino IDE for compatibility with existing code examples, tutorials and resources.


The Board Design

  • PIC32MX320F128H MCU
  • 128K Flash, 16K RAM
  • 80 MHz maxixmum operating speed
  • 42 I/O pins
  • 12 analog inputs
  • 5 12-Pin Pmod Ports
  • Five PWM outputs and five external interrupt inputs


Useful Board Pins

LEDs

LED Name Description
LD1 USB TX Activity LED
LD2 USB RX Activity LED
LD3 3.3V Power Supply
LD4 Digital pin 42
LD5 Digital pin 43


Analog Inputs

Analog Input Digital Pin
A0 16
A1 19
A2 20
A3 21
A4 24
A5 27
A6 28
A7 31
A8 37
A9 38
A10 39


Serial Objects

Serial Object UART TX Pin RX Pin
Serial USB/UART4 9 (JB-02) 10 (JB-03)
Serial1 UART2 17 (JC-02) 18 (JC-03)

I2C

I2C Object Channel SDA Pin SCL Pin
DTWI0 / Wire 1 SDA1 (40) SCL1 (41)
DTWI1 2 SDA2 (18) SCL2 (17)


SPI

SPI Object Channel SS MOSI Pin MISO Pin SCK Pin
DSPI0 / SPI 1 32 33 34 35
DSPI1 2 8 9 10 11


Pinout Table

PIC32 Pin # Connector Pin # chipKIT Pin # PIC32 Signal Notes
1 JA-08 5 PMD5/RE5
2 JA-09 6 PMD6/RE6
3 JA-10 7 PMD7/RE7
4 JE-04 35 SCK2/PMA5/CN8/RG6
5 JE-03 34 SDI2/PMA5/CN9/RG7 JP6 in M position
6 JE-02 33 SDO2/PMA3/CN10/RG8 JP8 in M position
7 N/A N/A MCLR
8 JE-01 32 SS2/PMA2/CN11/RG9
9 N/A N/A VSS
10 N/A N/A VDD
11 JE-08 37 C1IN+/AN5/CN7/RB5 A8
12 JE-09 38 C1IN-/AN4/CN6/RB4 A9
13 JE-10 39 C2IN+/AN3/CN5/RB3 A10
14 JD-01 24 C2IN-/AN2/SS1/CN4/RB2 A4
15 JC-08 21 PGC1/AN1/VREF-/CVREF-/CN3/RB1 A3
16 JC-07 20 PGED1/PMA6/AN0/VREF+/CVREF+/CN2/RB0 A2
17 N/A N/A PGEC2/AN8/OCFA/RB6
18 N/A N/A PGED2/AN7/RB7
19 N/A N/A AVDD
20 N/A N/A AVSS
21 JC-01 16 U2CTS/C1OUT/AN8/RB8 A0
22 JD-04 27 PMA7/C2OUT/AN9/RB9 A5
23 N/C N/C TMS/CVREFOUT/PMA13/AN10/RB10
24 N/C N/C TDO/PMA12/AN11/RB11
25 N/A N/A VSS
26 N/A N/A VDD
27 JD-07 28 TCK/PMA11/AN12/RB12 A6
28 JD-10 31 TDI/PMA10/AN13/RB13 A7
29 JC-04 19 PMALH/PMA1/U2RTS/AN14/RB14 A1
30 N/C N/C PMALL/PMA0/AN15/OCFB/CN12/RB15
31 JC-03 18 PMA9/U2RX/SDA2/CN17/RF4
32 JC-02 17 PMA8/U2TX/SCL2/CN18/RF5
33 JB-02 9 U1TX/SDO1/RF3
34 JB-03 10 U1RX/SDI1/RF2
35 JB-04 11 U1RTS/BCLK1/SCK1/INT0/RF6
36 J2-3,J2-4 40 SDA1/RG3
37 J2-1,J2-2 41 SCL1/RG2
38 N/A N/A VDD
39 N/A N/A OSC1/CLKI/RC12 X1, system clock oscillator
40 N/A N/A OSC2/CLKO/RC15 X1, system clock oscillator
41 N/A N/A VSS
42 JE-07 36 IC1/RTCC/INT1/RD8
43 JB-01 8 IC2/U1CTS/INT2/RD9
44 JD-03 26 IC3/PMCS2/PMA15/INT3/RD10
45 JD-09 30 IC4/PMCS1/PMA14/INT4/RD11
46 JC-09 22 OC1/RD0 PIN_OC1
47 N/A N/A SOSCI/CN1/RC13 X2, secondary oscillator
48 N/A N/A SOSCO/T1CK/CN0/RC14 X2, secondary oscillator
49 JC-10 23 OC2/RD1 PIN_OC2
50 JD-02 25 OC3/RD2 PIN_OC3
51 JD-08 29 OC4/RD3 PIN_OC4
52 JB-09 14 PMWR/OC5/IC5/CN13/RD4 PIN_OC5
53 JB-08 13 PMRD/CN14/RD5
54 JB-07 12 CN15/RD6
55 JB-10 15 CN16/RD7
56 N/A N/A VCAP/VDDcore
57 N/A N/A ENVREG
58 N/A 42 RF0 PIN_LED1, (LD4)
59 N/A 43 RF1 PIN_LED2, (LD5)
60 JA-01 0 PMD0/RE0
61 JA-02 1 PMD1/RE1
62 JA-03 2 PMD2/RE2
63 JA-04 3 PMD3/RE3
64 JA-07 4 PMD4/RE4