| 0,0 → 1,21 |
|---|
| This is a list of the ATMega pins that are used for various ad-hoc I/O on the FC. |
| The A/D converter inputs, the ISP interface, I2C and the air pressure circuit and |
| red and green LED outputs are not included. |
| |
| ATMEGA pin FC1.3 name FC 2.0 name Used for |
| ------------------------------------------------------------------------------------------- |
| PC7 SPEAKER SPEAKER Beeper. |
| PC6 J6 SERVO_R FC1.3: J9. FC2.0: Reset on IC5/4017. |
| PC5 PC5 PC5 Expansion port pin 6. "SPI slave select" in spi.c. |
| PC4 PC4 PC4 Expansion port pin 5. PWM in from MK3Mag compass. |
| PC3 PC3 PC3 SV2 pin 1 via transistor. Also known as J17. |
| PC2 PC2 PC2 SV2 pin 5 via transistor. Also known as J16. |
| |
| PD7 SERVO SERVO_C FC1.3: J7. FC2.0: Clock on IC5/4017. |
| PD6 ICP(PPM) ICP(PPM) R/C PPM signal in. |
| PD5 J3 J3 R/C channel 5 forward (rc.c). Auto-zero feature on InvenSense gyros (InvenSense.c, dongfang only). |
| PD4 J4 J4 R/C channel 6 forward (rc.c). Execution time measurement of main loop (main.c). |
| PD3 J5 J5 TXD1 with ATMega644p. R/C channel 7 forward with ATMega644. |
| PD2 RXD1 with ATMega644p |
| |
| TDX1 and RXD1 are the 2nd UART in ATMEGA644p. It can be used for direct connection of a UBlox GPS module (no Navi-Ctrl), or for connection of a Spectrum or DSL serial R/C satellite. |