Pinout reference table
| Mapped Pin Name |
v1.7 Farmduino |
| D0 (RX0) |
RXD0 (RX0) |
| D1 (TX0) |
TXD0 (TX0) |
| D2 (PWM) |
UTM E (Rotary Tool Forward) |
| D3 (PWM) |
UTM H (Rotary Tool Reverse) |
| D4 (PWM) |
Servo 0 |
| D5 (PWM) |
Servo 1 |
| D6 (PWM) |
Servo 2 |
| D7 (PWM) |
Lighting |
| D8 (PWM) |
Water |
| D9 (PWM) |
Vacuum |
| D10 (PWM) |
Peripheral 4 |
| D11 (PWM) |
Servo 3 |
| D12 (PWM) |
Peripheral 5 |
| D13 (PWM) |
LED |
| D14 (TX3) |
X2 EN |
| D15 (RX3) |
X2 STEP |
| D16 (TX2) |
Not exposed |
| D17 (RX2) |
Not exposed |
| D18 (TX1) |
D18 (available) |
| D19 (RX1) |
D19 (available) |
| D20 (SDA) |
I2C SDA |
| D21 (SCL) |
I2C SCL |
| D22 |
STM32 NSS (Chip Select) |
| D23 |
Z CS |
| D24 |
X1 CS |
| D25 |
X1 EN |
| D26 |
X1 STEP |
| D27 |
X1 DIR |
| D28 |
Y CS |
| D29 |
X2 CS |
| D30 |
X2 DIR |
| D31 |
Y EN |
| D32 |
Y STEP |
| D33 |
Y DIR |
| D34 |
Z EN |
| D35 |
Z STEP |
| D36 |
Z DIR |
| D37 |
AUX EN |
| D38 |
D38 (available) |
| D39 |
Z Diagnostics |
| D40 |
AUX STEP |
| D41 |
AUX DIR |
| D42 |
D42 (available) |
| D43 |
AUX CS |
| D44 (PWM) |
AUX Diagnostics |
| D45 (PWM) |
Y Diagnostics |
| D46 (PWM) |
X2 Diagnostics |
| D47 |
X1 Diagnostics |
| D48 |
Rotary Tool Fault Indication |
| D49 |
STM32 Read Enable (Reset) |
| D50 (MISO) |
SPI MISO |
| D51 (MOSI) |
SPI MOSI |
| D52 (SCK) |
SPI SCK |
| D53 (SS) |
SPI SS |
| A0 (D54) |
Lighting Load Sense |
| A1 (D55) |
Water Load Sense |
| A2 (D56) |
Peripheral 5 Load Sense |
| A3 (D57) |
Peripheral 4 Load Sense |
| A4 (D58) |
Vacuum Load Sense |
| A5 (D59) |
UTM D (Soil Sensor) |
| A6 (D60) |
Rotary Tool Load Sense |
| A7 (D61) |
A7 (available) |
| A8 (D62) |
A8 (available) |
| A9 (D63) |
UTM C (Tool Verification) |
| A10 (D64) |
Z-MAX |
| A11 (D65) |
Z-MIN |
| A12 (D66) |
Y-MAX |
| A13 (D67) |
Y-MIN |
| A14 (D68) |
X-MAX |
| A15 (D69) |
X-MIN |
2560 chip pinout
Diagram
https://www.arduino.cc/en/Hacking/PinMapping2560
Table
| Chip Pin # |
Chip Pin Name |
Mapped Pin Name |
| 1 |
PG5 ( OC0B ) |
D4 (PWM) |
| 2 |
PE0 ( RXD0/PCINT8 ) |
D0 (RX0) |
| 3 |
PE1 ( TXD0 ) |
D1 (TX0) |
| 4 |
PE2 ( XCK0/AIN0 ) |
|
| 5 |
PE3 ( OC3A/AIN1 ) |
D5 (PWM) |
| 6 |
PE4 ( OC3B/INT4 ) |
D2 (PWM) |
| 7 |
PE5 ( OC3C/INT5 ) |
D3 (PWM) |
| 8 |
PE6 ( T3/INT6 ) |
|
| 9 |
PE7 ( CLKO/ICP3/INT7 ) |
|
| 10 |
VCC |
VCC |
| 11 |
GND |
GND |
| 12 |
PH0 ( RXD2 ) |
D17 (RX2) |
| 13 |
PH1 ( TXD2 ) |
D16 (TX2) |
| 14 |
PH2 ( XCK2 ) |
|
| 15 |
PH3 ( OC4A ) |
D6 (PWM) |
| 16 |
PH4 ( OC4B ) |
D7 (PWM) |
| 17 |
PH5 ( OC4C ) |
D8 (PWM) |
| 18 |
PH6 ( OC2B ) |
D9 (PWM) |
| 19 |
PB0 ( SS/PCINT0 ) |
D53 (SS) |
| 20 |
PB1 ( SCK/PCINT1 ) |
D52 (SCK) |
| 21 |
PB2 ( MOSI/PCINT2 ) |
D51 (MOSI) |
| 22 |
PB3 ( MISO/PCINT3 ) |
D50 (MISO) |
| 23 |
PB4 ( OC2A/PCINT4 ) |
D10 (PWM) |
| 24 |
PB5 ( OC1A/PCINT5 ) |
D11 (PWM) |
| 25 |
PB6 ( OC1B/PCINT6 ) |
D12 (PWM) |
| 26 |
PB7 ( OC0A/OC1C/PCINT7 ) |
D13 (PWM) |
| 27 |
PH7 ( T4 ) |
|
| 28 |
PG3 ( TOSC2 ) |
|
| 29 |
PG4 ( TOSC1 ) |
|
| 30 |
RESET |
RESET |
| 31 |
VCC |
VCC |
| 32 |
GND |
GND |
| 33 |
XTAL2 |
XTAL2 |
| 34 |
XTAL1 |
XTAL1 |
| 35 |
PL0 ( ICP4 ) |
D49 |
| 36 |
PL1 ( ICP5 ) |
D48 |
| 37 |
PL2 ( T5 ) |
D47 |
| 38 |
PL3 ( OC5A ) |
D46 (PWM) |
| 39 |
PL4 ( OC5B ) |
D45 (PWM) |
| 40 |
PL5 ( OC5C ) |
D44 (PWM) |
| 41 |
PL6 |
D43 |
| 42 |
PL7 |
D42 |
| 43 |
PD0 ( SCL/INT0 ) |
D21 (SCL) |
| 44 |
PD1 ( SDA/INT1 ) |
D20 (SDA) |
| 45 |
PD2 ( RXDI/INT2 ) |
D19 (RX1) |
| 46 |
PD3 ( TXD1/INT3 ) |
D18 (TX1) |
| 47 |
PD4 ( ICP1 ) |
|
| 48 |
PD5 ( XCK1 ) |
|
| 49 |
PD6 ( T1 ) |
|
| 50 |
PD7 ( T0 ) |
D38 |
| 51 |
PG0 ( WR ) |
D41 |
| 52 |
PG1 ( RD ) |
D40 |
| 53 |
PC0 ( A8 ) |
D37 |
| 54 |
PC1 ( A9 ) |
D36 |
| 55 |
PC2 ( A10 ) |
D35 |
| 56 |
PC3 ( A11 ) |
D34 |
| 57 |
PC4 ( A12 ) |
D33 |
| 58 |
PC5 ( A13 ) |
D32 |
| 59 |
PC6 ( A14 ) |
D31 |
| 60 |
PC7 ( A15 ) |
D30 |
| 61 |
VCC |
VCC |
| 62 |
GND |
GND |
| 63 |
PJ0 ( RXD3/PCINT9 ) |
D15 (RX3) |
| 64 |
PJ1 ( TXD3/PCINT10 ) |
D14 (TX3) |
| 65 |
PJ2 ( XCK3/PCINT11 ) |
|
| 66 |
PJ3 ( PCINT12 ) |
|
| 67 |
PJ4 ( PCINT13 ) |
|
| 68 |
PJ5 ( PCINT14 ) |
|
| 69 |
PJ6 ( PCINT 15 ) |
|
| 70 |
PG2 ( ALE ) |
D39 |
| 71 |
PA7 ( AD7 ) |
D29 |
| 72 |
PA6 ( AD6 ) |
D28 |
| 73 |
PA5 ( AD5 ) |
D27 |
| 74 |
PA4 ( AD4 ) |
D26 |
| 75 |
PA3 ( AD3 ) |
D25 |
| 76 |
PA2 ( AD2 ) |
D24 |
| 77 |
PA1 ( AD1 ) |
D23 |
| 78 |
PA0 ( AD0 ) |
D22 |
| 79 |
PJ7 |
|
| 80 |
VCC |
VCC |
| 81 |
GND |
GND |
| 82 |
PK7 ( ADC15/PCINT23 ) |
A15 (D69) |
| 83 |
PK6 ( ADC14/PCINT22 ) |
A14 (D68) |
| 84 |
PK5 ( ADC13/PCINT21 ) |
A13 (D67) |
| 85 |
PK4 ( ADC12/PCINT20 ) |
A12 (D66) |
| 86 |
PK3 ( ADC11/PCINT19 ) |
A11 (D65) |
| 87 |
PK2 ( ADC10/PCINT18 ) |
A10 (D64) |
| 88 |
PK1 ( ADC9/PCINT17 ) |
A9 (D63) |
| 89 |
PK0 ( ADC8/PCINT16 ) |
A8 (D62) |
| 90 |
PF7 ( ADC7 ) |
A7 (D61) |
| 91 |
PF6 ( ADC6 ) |
A6 (D60) |
| 92 |
PF5 ( ADC5/TMS ) |
A5 (D59) |
| 93 |
PF4 ( ADC4/TMK ) |
A4 (D58) |
| 94 |
PF3 ( ADC3 ) |
A3 (D57) |
| 95 |
PF2 ( ADC2 ) |
A2 (D56) |
| 96 |
PF1 ( ADC1 ) |
A1 (D55) |
| 97 |
PF0 ( ADC0 ) |
A0 (D54) |
| 98 |
AREF |
Analog Reference |
| 99 |
GND |
GND |
| 100 |
AVCC |
VCC |
Abbreviation guide
| Abbreviation |
Meaning |
| A |
Analog |
| CS |
Chip Select |
| D |
Digital |
| DIR |
Direction |
| EN |
Enable |
| GND |
Ground |
| MISO |
Main In Sub Out (SPI) |
| MOSI |
Main Out Sub In (SPI) |
| PWM |
Pulse Width Modulation |
| RX |
Receive |
| SCK |
Serial Clock (SPI) |
| SCL |
Serial Clock Line (I2C) |
| SDA |
Serial Data Line (I2C) |
| SS/NSS |
Sub Select (SPI) |
| TX |
Transmit |
| VCC |
Voltage Common Collector |
