Last edit: 2021-03-21 22:34 by Majenko
ChipKIT MX3
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
Useful Board Pins
LEDs
Analog Inputs
Serial Objects
I2C
SPI
Pinout Table
¶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 | |