| Notes | A0 | A4 | A5 | Pull | IO | Pin | Pin | IO | Pull | A0 | A4 | A5 | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3V3 | J8-01 | J8-02 | 5V | ||||||||||
| i2c: ds1339 | SDA1 | CTS2 | SDA3 | UP | 2 | J8-03 | J8-04 | 5V | |||||
| i2c: ds1339 | SCL1 | RTS2 | SCL3 | UP | 3 | J8-05 | J8-06 | GND | serial GND | ||||
| input sw1 | GPCLK0 | TXD3 | SDA3 | UP | 4 | J8-07 | J8-08 | 14 | DOWN | TXD0 | CTS5 | TXD1 | serial console tx |
| GND | J8-09 | J8-10 | 15 | DOWN | RXD0 | RTS5 | RXD1 | serial console rx | |||||
| FL1 | SPI1_CE1_N | RTS1 | DOWN | 17 | J8-11 | J8-12 | 18 | DOWN | PCM_CLK | SPI1_CE0_N | PWM0_0 | led white | |
| SD0_DAT3 | ARM_TMS | SPI6_CE1_N | DOWN | 27 | J8-13 | J8-14 | GND | led GND | |||||
| SD0_CLK | ARM_TRST | SDA6 | DOWN | 22 | J8-15 | J8-16 | 23 | DOWN | SD0_CMD | ARM_RTCK | SCL6 | led R | |
| 3V3 | J8-17 | J8-18 | 24 | DOWN | SD0_DAT0 | ARM_TDO | SPI3_CE1_N | led G | |||||
| SPI0_MOSI | CTS4 | SDA5 | DOWN | 10 | J8-19 | J8-20 | GND | ||||||
| input sw3 | SPI0_MISO | RXD4 | SCL4 | DOWN | 9 | J8-21 | J8-22 | 25 | DOWN | SD0_DAT1 | ARM_TCK | SPI4_CE1_N | led B |
| SPI0_SCLK | RTS4 | SCL5 | DOWN | 11 | J8-23 | J8-24 | 8 | UP | SPI0_CE0_N | TXD4 | SDA4 | ||
| GND | J8-25 | J8-26 | 7 | UP | SPI0_CE1_N | RTS3 | SCL4 | ||||||
| DNU> HAT ID EEPROM | SDA0 | TXD2 | SDA6 | UP | 0 | J8-27 | J8-28 | 1 | UP | SCL0 | RXD2 | SCL6 | DNU> HAT ID EEPROM |
| input sw2 | GPCLK1 | RXD3 | SCL3 | UP | 5 | J8-29 | J8-30 | GND | |||||
| output uc-reset | GPCLK2 | CTS3 | SDA4 | UP | 6 | J8-31 | J8-32 | 12 | DOWN | PWM0_0 | TXD5 | SDA5 | uc serial tx |
| uc serial rx | PWM0_1 | RXD5 | SCL5 | DOWN | 13 | J8-33 | J8-34 | GND | uc serial GND | ||||
| PCM_FS | SPI1_MISO | PWM0_1 | DOWN | 19 | J8-35 | J8-36 | 16 | DOWN | FL0 | SPI1_CE2_N | CTS1 | ||
| SD0_DAT2 | ARM_TDI | SPI5_CE1_N | DOWN | 26 | J8-37 | J8-38 | 20 | DOWN | PCM_DIN | SPI1_MOSI | GPCLK0 | ||
| GND | J8-39 | J8-40 | 21 | DOWN | PCM_DOUT | SPI1_SCLK | GPCLK1 |
| Pin | IO | Pull | A0 | A1 | A2 | A3 | A4 | A5 | Special |
|---|---|---|---|---|---|---|---|---|---|
| J8-27 | 0 | UP | SDA0 | SA5 | PCLK | SPI3_CE0_N | TXD2 | SDA6 | rs232 tx (DNU: HAT ID EEPROM) |
| J8-28 | 1 | UP | SCL0 | SA4 | DE | SPI3_MISO | RXD2 | SCL6 | rs232 rx (DNU: HAT ID EEPROM) |
| J8-03 | 2 | UP | SDA1 | SA3 | LCD_VSYNC | SPI3_MOSI | CTS2 | SDA3 | i2c: ds1339 (RPi pullup) |
| J8-05 | 3 | UP | SCL1 | SA2 | LCD_HSYNC | SPI3_SCLK | RTS2 | SCL3 | i2c: ds1339 (RPi pullup) |
| J8-07 | 4 | UP | GPCLK0 | SA1 | DPI_D0 | SPI4_CE0_N | TXD3 | SDA3 | input sw1 |
| J8-29 | 5 | UP | GPCLK1 | SA0 | DPI_D1 | SPI4_MISO | RXD3 | SCL3 | input sw2 |
| J8-31 | 6 | UP | GPCLK2 | SOE_N_SE | DPI_D2 | SPI4_MOSI | CTS3 | SDA4 | output uc-reset |
| J8-26 | 7 | UP | SPI0_CE1_N | SWE_N_SRW_N | DPI_D3 | SPI4_SCLK | RTS3 | SCL4 | |
| J8-24 | 8 | UP | SPI0_CE0_N | SD0 | DPI_D4 | I2CSL_CE_N | TXD4 | SDA4 | |
| J8-21 | 9 | DOWN | SPI0_MISO | SD1 | DPI_D5 | I2CSL_SDI/MISO | RXD4 | SCL4 | input sw3 |
| J8-19 | 10 | DOWN | SPI0_MOSI | SD2 | DPI_D6 | I2CSL_SDA/MOSI | CTS4 | SDA5 | |
| J8-23 | 11 | DOWN | SPI0_SCLK | SD3 | DPI_D7 | I2CSL_SCL/SCLK | RTS4 | SCL5 | |
| J8-32 | 12 | DOWN | PWM0_0 | SD4 | DPI_D8 | SPI5_CE0_N | TXD5 | SDA5 | uc serial tx |
| J8-33 | 13 | DOWN | PWM0_1 | SD5 | DPI_D9 | SPI5_MISO | RXD5 | SCL5 | uc serial rx |
| J8-08 | 14 | DOWN | TXD0 | SD6 | DPI_D10 | SPI5_MOSI | CTS5 | TXD1 | serial console tx |
| J8-10 | 15 | DOWN | RXD0 | SD7 | DPI_D11 | SPI5_SCLK | RTS5 | RXD1 | serial console rx |
| J8-36 | 16 | DOWN | FL0 | SD8 | DPI_D12 | CTS0 | SPI1_CE2_N | CTS1 | |
| J8-11 | 17 | DOWN | FL1 | SD9 | DPI_D13 | RTS0 | SPI1_CE1_N | RTS1 | |
| J8-12 | 18 | DOWN | PCM_CLK | SD10 | DPI_D14 | SPI6_CE0_N | SPI1_CE0_N | PWM0_0 | led white |
| J8-35 | 19 | DOWN | PCM_FS | SD11 | DPI_D15 | SPI6_MISO | SPI1_MISO | PWM0_1 | |
| J8-38 | 20 | DOWN | PCM_DIN | SD12 | DPI_D16 | SPI6_MOSI | SPI1_MOSI | GPCLK0 | |
| J8-40 | 21 | DOWN | PCM_DOUT | SD13 | DPI_D17 | SPI6_SCLK | SPI1_SCLK | GPCLK1 | |
| J8-15 | 22 | DOWN | SD0_CLK | SD14 | DPI_D18 | SD1_CLK | ARM_TRST | SDA6 | |
| J8-16 | 23 | DOWN | SD0_CMD | SD15 | DPI_D19 | SD1_CMD | ARM_RTCK | SCL6 | led red |
| J8-18 | 24 | DOWN | SD0_DAT0 | SD16 | DPI_D20 | SD1_DAT0 | ARM_TDO | SPI3_CE1_N | led green |
| J8-22 | 25 | DOWN | SD0_DAT1 | SD17 | DPI_D21 | SD1_DAT1 | ARM_TCK | SPI4_CE1_N | led blue |
| J8-37 | 26 | DOWN | SD0_DAT2 | TE0 | DPI_D22 | SD1_DAT2 | ARM_TDI | SPI5_CE1_N | |
| J8-13 | 27 | DOWN | SD0_DAT3 | TE1 | DPI_D23 | SD1_DAT3 | ARM_TMS | SPI6_CE1_N |
- DNU: do not use
- LEDs are active high
| Name | Pin | Ball | Ardn | Dir | Pull | Usage |
|---|---|---|---|---|---|---|
| PA0 | 78 | B9 | D22 | O | - | stepper-ena (neg) |
| PA1 | 77 | C9 | D23 | O | - | static 1 |
| PA2 | 76 | B10 | D24 | O | - | static 1 |
| PA3 | 75 | C10 | D25 | O | - | static 0 |
| PA4 | 74 | D6 | D26 | O | - | static 0 |
| PA5 | 73 | D7 | D27 | - | - | nc |
| PA6 | 72 | D8 | D28 | - | - | nc |
| PA7 | 71 | D9 | D29 | - | - | nc |
| Name | Pin | Ball | Ardn | Dir | Pull | Usage |
|---|---|---|---|---|---|---|
| PB0 | 19 | F4 | D53 | I | ? | lid switch 1 |
| PB1 | 20 | G2 | D52 | - | - | (ISP-SCK) |
| PB2 | 21 | G3 | D51 | - | - | (ISP-MOSI) |
| PB3 | 22 | H1 | D50 | - | - | (ISP-MISO) |
| PB4 | 23 | H2 | D10 | I | ? | probe contact |
| PB5 | 24 | G4 | D11 | I | ? | fastsw2 |
| PB6 | 25 | J3 | D12 | I | ? | probe home position |
| PB7 | 26 | K1 | D13 | I | ? | ? |
| Name | Pin | Ball | Ardn | Dir | Pull | Usage |
|---|---|---|---|---|---|---|
| PC0 | 53 | J9 | D37 | - | - | nc |
| PC1 | 54 | J8 | D36 | - | - | nc |
| PC2 | 55 | H10 | D35 | - | - | nc |
| PC3 | 56 | H9 | D34 | - | - | nc |
| PC4 | 57 | H8 | D33 | O | - | M10/11 K0 aux-out? |
| PC5 | 58 | G8 | D32 | O | - | M10/11 K1 aux-out? |
| PC6 | 59 | G9 | D31 | O | - | M10/11 K2 aux-out? |
| PC7 | 60 | F9 | D30 | O | - | M10/11 K3 aux-out? |
| Name | Pin | Ball | Ardn | Dir | Pull | Usage |
|---|---|---|---|---|---|---|
| PD0 | 43 | G6 | D21 | I | z | nc |
| PD1 | 44 | F6 | D20 | I | z | nc |
| PD2 | 45 | K7 | D19 | I | z | RXD1 |
| PD3 | 46 | J7 | D18 | O | - | TXD1 |
| PD4 | 47 | H7 | - | I | z | nc |
| PD5 | 48 | G7 | - | O | - | LED red |
| PD6 | 49 | K8 | - | O | - | LED green |
| PD7 | 50 | K9 | D38 | O | - | LED blue |
| Name | Pin | Ball | Ardn | Dir | Pull | Usage |
|---|---|---|---|---|---|---|
| PE0 | 2 | C2 | D0 | I | z | lid switch 2 |
| PE1 | 3 | C3 | D1 | I | z | nc |
| PE2 | 4 | C1 | - | I | z | nc |
| PE3 | 5 | D1 | D5 | I | z | nc |
| PE4 | 6 | D2 | D2 | I | z | gauge home position |
| PE5 | 7 | D3 | D3 | I | z | motor1 running |
| PE6 | 8 | D4 | - | I | z | motor2 running |
| PE7 | 9 | E1 | - | O | - | ?? square wave |
| Name | Pin | Ball | Ardn | Dir | Pull | Usage |
|---|---|---|---|---|---|---|
| PF0 | 97 | A3 | A0 | I | z | ? laser? |
| PF1 | 96 | B3 | A1 | O | - | ? laser |
| PF2 | 95 | A4 | A2 | I | z | ? laser? |
| PF3 | 94 | B4 | A3 | I | z | ? laser? |
| PF4 | 93 | C4 | A4 | O | - | ? laser? |
| PF5 | 92 | A5 | A5 | I | z | ? motor? |
| PF6 | 91 | B5 | A6 | I | z | ? motor? |
| PF7 | 90 | C5 | A7 | I | z | nc |
| Name | Pin | Ball | Ardn | Dir | Pull | Usage |
|---|---|---|---|---|---|---|
| PG0 | 51 | K10 | D41 | - | - | nc |
| PG1 | 52 | J10 | D40 | - | - | nc |
| PG2 | 70 | D10 | D39 | - | - | nc |
| PG3 | 28 | J2 | - | - | - | nc |
| PG4 | 29 | K2 | - | - | - | nc |
| PG5 | 1 | B2 | D4 | - | - | nc |
| PG6 | - | - | - | - | - | non-existent |
| PG7 | - | - | - | - | - | non-existent |
| Name | Pin | Ball | Ardn | Dir | Pull | Usage |
|---|---|---|---|---|---|---|
| PH0 | 12 | E2 | D17 | I | z | nc |
| PH1 | 13 | E3 | D16 | O | - | motor1 (spindle) |
| PH2 | 14 | D5 | - | O | - | motor2 (wheel) |
| PH3 | 15 | E4 | D6 | I | U | motor1 error (neg) |
| PH4 | 16 | F2 | D7 | I | U | motor2 error (neg) |
| PH5 | 17 | E5 | D8 | O | - | static 1 |
| PH6 | 18 | F3 | D9 | O | - | static 1 |
| PH7 | 27 | J1 | - | I | z | nc |
| Name | Pin | Ball | Ardn | Dir | Pull | Usage |
|---|---|---|---|---|---|---|
| PJ0 | 63 | F8 | D15 | I | U | endstop X |
| PJ1 | 64 | F7 | D14 | I | U | endstop Y |
| PJ2 | 65 | E10 | - | I | U | endstop Z |
| PJ3 | 66 | E9 | - | I | U | endstop B |
| PJ4 | 67 | E8 | - | I | U | input 1 |
| PJ5 | 68 | E7 | - | I | U | input 2 |
| PJ6 | 69 | E6 | - | I | U | input 3 |
| PJ7 | 79 | C8 | - | I | U | input 4 |
| Name | Pin | Ball | Ardn | Dir | Pull | Usage |
|---|---|---|---|---|---|---|
| PK0 | 89 | A6 | A8 | O | - | step X |
| PK1 | 88 | B6 | A9 | O | - | step Y |
| PK2 | 87 | C6 | A10 | O | - | step Z |
| PK3 | 86 | A7 | A11 | O | - | step B |
| PK4 | 85 | B7 | A12 | O | - | dir X (neg) |
| PK5 | 84 | C7 | A13 | O | - | dir Y |
| PK6 | 83 | A8 | A14 | O | - | dir Z (neg) |
| PK7 | 82 | B8 | A15 | O | - | dir B (neg) |
| Name | Pin | Ball | Ardn | Dir | Pull | Usage |
|---|---|---|---|---|---|---|
| PL0 | 35 | J4 | D49 | I | z | nc |
| PL1 | 36 | H4 | D48 | I | z | nc |
| PL2 | 37 | G5 | D47 | I | z | nc |
| PL3 | 38 | H5 | D46 | I | z | nc |
| PL4 | 39 | F5 | D45 | O | - | buzzer |
| PL5 | 40 | K6 | D44 | I | z | nc |
| PL6 | 41 | J6 | D43 | I | z | nc |
| PL7 | 42 | H6 | D42 | I | z | nc |
| Name | Pin | Ball | Ardn | Dir | Pull | Usage |
|---|---|---|---|---|---|---|
| Vcc | 10 | F1 | Vcc | - | - | Power |
| Vcc | 31 | K3 | Vcc | - | - | Power |
| Vcc | 61 | G10 | Vcc | - | - | Power |
| Vcc | 80 | A10 | Vcc | - | - | Power |
| AVcc | 100 | B1 | Vcc | - | - | Analog Power |
| Aref | 98 | A2 | Aref | - | - | Analog Reference |
| XTAL1 | 34 | K5 | - | - | - | Clock: 8 MHz |
| XTAL2 | 33 | J5 | - | - | - | Clock: 8 MHz |
| nRST | 30 | H3 | RST | I | - | reset (inverted) |
| GND | 11 | G1 | GND | - | - | Ground |
| GND | 32 | K4 | GND | - | - | Ground |
| GND | 62 | F10 | GND | - | - | Ground |
| GND | 81 | A9 | GND | - | - | Ground |
| GND | 99 | A1 | GND | - | - | Ground |
| Pin | Dir | Name |
|---|---|---|
| PD2 PD3 | IO | uart rx/tx |
| PA0 | O | global stepper enable |
| PK0 PK1 PK2 PK3 | O | step x,y,z,b |
| PK4 PK5 PK6 PK7 | O | dir x,y,z,b |
| PJ0 PJ1 PJ2 PJ3 | I | endstop x,y,z,b |
| PH1 PH2 | O | motor spindle wheel |
| PE5 PE6 PH3 PH4 | I | motor spindle wheel running & error |
| PL4 | O | buzzer |
| PE4 PB6 | I | home sensor gauge + probe |
| PB4 PB5 | I | probe contact, fastsw2 |
| PB0 PE0 | I | lid switch 1+2 |
| PD5 PD6 PD7 | O | led R/G/B |
| PJ4 PJ5 PJ6 PJ7 | I | "inputs" 1-4 |
| PC4 PC5 PC6 PC7 | O | "outputs" 1-4 |
| PF0 PF1 PF2 PF3 PF4 | IO | UNKNOWN: optical reader (IOIIO) |
| PF5 PF6 | I | UNKNOWN: motor |
| PB7 | I | UNKNOWN |
| PE7 | O | UNKNOWN: square wave during idle?! |
| PA3 PA4 | O | static 0 |
| PA1 PA2 PH5 PH6 | O | static 1 |
| Name | Pins | Description |
|---|---|---|
| J2 | 2 | led white (1 GND, 2 led-white) |
| J3 | 8 | ethernet |
| J4 | 2 | power supply (1 24V, 2 GND) |
| J6 | 2 | antenna |
| J7 | 6 | cutter motors + lidsw (1->2 motor wheel, 3->4 motor spindle, 5+6 lid switch) |
| J8 | 8 | led lamp RGB (1->2 red, 3->4 green, 5->6 blue) |
| J9 | 10 | optical reader (key: 2, nc: 3, 1+4-10 unknown) |
| J10 | 4 | gauge home sensor (1 Vcc, 2 out, 3 GND, 4 key) |
| J11 | 6 | uC ISP |
| J12 | 4 | X axis motor |
| J13 | 4 | X axis sensor (1 Vcc, 2 out, 3 key, 4 GND) |
| J14 | 4 | Y axis motor |
| J15 | 4 | Y axis sensor (1 Vcc, 2 key, 3 GND, 4 out) |
| J16 | 8 | B axis motor (5 key) |
| J17 | 4 | Z axis motor |
| J18 | 4 | Z axis sensor (1 key, 2 Vcc, 3 out, 4 GND) |
| J19 | 6 | B axis sensor (3 key) |
| J20 | 8 | "inputs" (1 key) |
| J21 | 6 | probe contact1/2(spare) (1+2, other nc) == fast switch |
| J22 | 6 | probe home sensor + lidsw (1 key, 2+6 lid switch, 3 out, 4 Vcc, 5 GND) |
| J23 | 8 | "outputs" (3 key) |
| J25 | 4 | uC debug |
| J1005 | 8 | USB |
| J1006 | 8 | CAN |
| J1007 | 4 | RS232 |
| nn | 4 | CPU debug |
| nn | 2 | Buzzer |