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Hardware Usage Mega
Ian Hartwig edited this page Feb 21, 2015
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This document maps the hardware usage on the Arduino Mega which interfaces with the RC receiver, signal lights, brakes, steering, and battery monitor.
For more hardware details, see the ATmega 2560 Datasheet and the Arduino Mega schematic.
| Pin Number | Pin Name / Alt. Outputs | Arduino | Used | Purpose |
|---|---|---|---|---|
| 1 | PG5 ( OC0B ) | D4 (PWM) | ||
| 2 | PE0 ( RXD0/PCINT8 ) | D0 (RX0) | Yes | RBSM |
| 3 | PE1 ( TXD0 ) | D1 (TX0) | Yes | RBSM |
| 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 ) | Yes | RC Auton | |
| 10 | VCC | VCC | Yes | Power |
| 11 | GND | GND | Yes | Power |
| 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) | Yes | Steering Servo |
| 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 | Yes | Reset |
| 31 | VCC | VCC | Yes | |
| 32 | GND | GND | Yes | |
| 33 | XTAL2 | XTAL2 | Yes | Crystal |
| 34 | XTAL1 | XTAL1 | Yes | Crystal |
| 35 | PL0 ( ICP4 ) | D49 | Yes | RC Steering |
| 36 | PL1 ( ICP5 ) | D48 | Yes | RC Brake |
| 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) | Yes | Debug Serial |
| 46 | PD3 ( TXD1/INT3 ) | D18 (TX1) | Yes | Debug Serial |
| 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 | Yes | Battery Voltage |
| 79 | PJ7 | |||
| 80 | VCC | VCC | Yes | Power |
| 81 | GND | GND | Yes | Power |
| 82 | PK7 ( ADC15/PCINT23 ) | A15 | ||
| 83 | PK6 ( ADC14/PCINT22 ) | A14 | ||
| 84 | PK5 ( ADC13/PCINT21 ) | A13 | ||
| 85 | PK4 ( ADC12/PCINT20 ) | A12 | ||
| 86 | PK3 ( ADC11/PCINT19 ) | A11 | ||
| 87 | PK2 ( ADC10/PCINT18 ) | A10 | ||
| 88 | PK1 ( ADC9/PCINT17 ) | A9 | ||
| 89 | PK0 ( ADC8/PCINT16 ) | A8 | ||
| 90 | PF7 ( ADC7 ) | A7 | ||
| 91 | PF6 ( ADC6 ) | A6 | ||
| 92 | PF5 ( ADC5/TMS ) | A5 | ||
| 93 | PF4 ( ADC4/TMK ) | A4 | ||
| 94 | PF3 ( ADC3 ) | A3 | ||
| 95 | PF2 ( ADC2 ) | A2 | ||
| 96 | PF1 ( ADC1 ) | A1 | ||
| 97 | PF0 ( ADC0 ) | A0 | ||
| 98 | AREF | AREF | ||
| 99 | GND | GND | Yes | Power |
| 100 | AVCC | VCC | Yes | Power |
| Timer |
|---|
| TIMER0 |
RoboBuggy (pushing code ain't all we do)