LPC4337 Pin Usage

ARM Pin	GPIO Pin	LPCXpresso	v2-proto1	v2pro-proto1	Comment
P0_0	GPIO0_0	D12/-	eth rxd1	eth rxd1	`Ssp1_miso`
P0_1	GPIO0_1	D11/-	eth txen	eth txen	`Ssp1_mosi`

P1_0	GPIO0_4	D8/-	eth led y	eth led y
P1_1	GPIO0_8	-/-	boot0	boot0	`Ssp1_miso`, select boot source, led1, `Pwm`
P1_2	GPIO0_9	-/D9	boot1	boot1	`Ssp0_mosi`, select boot source, led2, `Pwm`
P1_3	GPIO0_10	D9/D12	spi1 miso	spi1 miso	`Pwm` , `Ssp1_miso`
P1_4	GPIO0_11		spi1 mosi	spi1 mosi	`Pwm` , `Ssp1_mosi`
P1_5	GPIO1_8		spi1 ssel	spi1 ssel	`Pwm` , `Ssp1_ssel`
P1_6	GPIO1_9		sd cmd	sd cmd	`Sd_cmd`
P1_7	GPIO1_0		?	servo1	`Pwm`
P1_8	GPIO1_1		?	servo2	`Pwm`
P1_9	GPIO1_2		sd dat0	sd dat0	`Pwm`, `Sd_dat0`
P1_10	GPIO1_3		sd dat1	sd dat1	`Pwm`, `Sd_dat1`
P1_11	GPIO1_4		sd dat2	sd dat2	`Pwm`, `Sd_dat2`
P1_12	GPIO1_5		sd dat3	sd dat3	`Sd_dat3`
P1_13	GPIO1_6		sd cd	sd cd	`Uart1`+`Tx`, `Sd_cd`
P1_14	GPIO1_7		?	fpga ssel	`Uart1`+`Rx`
P1_15	GPIO0_2		eth rxd0	eth rxd0	`Uart2`+`Tx`
P1_16	GPIO0_3		eth crs	eth crs	`Uart2`+`Rx`
P1_17	GPIO0_12		eth mdio	eth mdio	`Can1`+`Tx`
P1_18	GPIO0_13		eth txd0	eth txd0	`Can1`+`Rx`
P1_19	-	D13/-	eth ref clk	eth ref clk	`Ssp1_sck`
P1_20	GPIO0_15		eth txd1	eth txd1	`Ssp1_ssel`

P2_0	GPIO5_0		uart0 txd	uart0 txd	debug uart `Uart0`+`Tx`
P2_1	GPIO5_1		uart0 rxd	uart0 rxd	debug uart `Uart0`+`Rx`
P2_2	GPIO5_2		mosfet1	mosfet1
P2_3	GPIO5_3		i2c1 sda		`I2c1`+`Sda`, `Uart3`+`Tx`
P2_4	GPIO5_4		i2c1 scl		`I2c1`+`Scl`, `Uart3`+`Rx`
P2_5	GPIO5_5		mosfet2	mosfet2
P2_6	GPIO5_6		mosfet3	mosfet3
P2_7	GPIO0_7		isp	isp	`Pwm`, bootloader programming button
P2_8	GPIO5_7		boot2	boot2	`Pwm`, select boot source, led3
P2_9	GPIO1_10		boot3	boot3	`Pwm`, select boot source, led4
P2_10	GPIO0_14		uart2 txd		`Pwm`, `Uart2`+`Tx`
P2_11	GPIO1_11		uart2 rxd		`Pwm`, `Uart2`+`Rx`
P2_12	GPIO1_12		?	servo4	`Pwm`
P2_13	GPIO1_13		?	fpga init

P3_0	-		-	-	`Ssp0_sck`
P3_1	GPIO5_8		can0 rd		`Can0`+`Rx`
P3_2	GPIO5_9		can0 td		`Can0`+`Tx`
P3_3	-		spi0 sck		`Ssp0_sck`, `Spi`+`Sck`, `Spifi`+`Sck`
P3_4	GPIO1_14		uart1 txd		`Uart1`+`Tx`, `Spifi`+`Sio3`
P3_5	GPIO1_15		uart1 rxd		`Uart1`+`Rx`, `Spifi`+`Sio2`
P3_6	GPIO0_6		spi0 miso		`Spi`+`Miso`, `Spifi`+`Miso`, `Ssp0`+`Ssel`, `Ssp0_miso`
P3_7	GPIO5_10		spi0 mosi		`Spi`+`Mosi`, `Spifi`+`Mosi`, `Ssp0_miso`, `Ssp0_mosi`
P3_8	GPIO5_11		spi0 ssel		`Spi`+`Ssel`, `Spifi`+`Cs`, `Ssp0_mosi`, `Ssp0_ssel`

P4_0	GPIO2_0		pause btn	pause btn
P4_1	GPIO2_1		uart3 txd		`Uart3`+`Tx`, `Pwm`, `Adc`
P4_2	GPIO2_2		uart3 rxd		`Uart3`+`Rx`, `Pwm`
P4_3	GPIO2_3		pause led	pause led	`Pwm` , `Adc`
P4_4	GPIO2_4		dac		`Dac`, `Pwm`
P4_5	GPIO2_5		?	fpga sck	`Pwm`
P4_6	GPIO2_6		?	fpga mosi	`Pwm`
P4_7	-		-	-	not connected (no useful function)
P4_8	GPIO5_12		?	fpga miso	`Can1`+`Tx`
P4_9	GPIO5_13		?	fpga sio2	`Can1`+`Rx`
P4_10	GPIO5_14		?	fpga sio3

P5_0	GPIO2_9		es xmin	es xmin
P5_1	GPIO2_10		es xmax	es xmax
P5_2	GPIO2_11		es ymin	es ymin
P5_3	GPIO2_12		es ymax	es ymax
P5_4	GPIO2_13		es zmin	es zmin
P5_5	GPIO2_14		es zmax	es zmax
P5_6	GPIO2_15		?	fpga prog	`Uart1`+`Tx`
P5_7	GPIO2_7		?	fpga done	`Uart1`+`Rx`

P6_0	-		-	-	not connected (no useful function)
P6_1	GPIO3_0		mot1 step	mot1 step
P6_2	GPIO3_1		mot1 dir	mot1 dir
P6_3	GPIO3_2		mot2 step	mot2 step
P6_4	GPIO3_3		mot2 dir	mot2 dir	`Uart0`+`Rx`
P6_5	GPIO3_4		mot3 step	mot3 step	`Pwm`, `Uart0`+`Rx`
P6_6	GPIO0_5		mosfet4	mosfet4
P6_7	GPIO5_15		mosfet5	mosfet5
P6_8	GPIO5_16		mosfet6	mosfet6
P6_9	GPIO3_5		mot3 dir	mot3 dir
P6_10	GPIO3_6		mot4 step	mot4 step
P6_11	GPIO3_7		mot4 dir	mot4 dir
P6_12	GPIO2_8		pwmout	pwmout	`Pwm`

P7_0	GPIO3_8		mot5 step	mot5 step	`Pwm`
P7_1	GPIO3_9		mot5 dir	mot5 dir	`Pwm`, `Uart2`+`Tx`
P7_2	GPIO3_10		mot1 en	5v ext enn	`Uart2`+`Rx`
P7_3	GPIO3_11		mot2 en	host pwr
P7_4	GPIO3_12		mot3 en	ssr1	`Pwm`, `Adc`
P7_5	GPIO3_13		mot4 en	ssr2	`Pwm`, `Adc`
P7_6	GPIO3_14		mot5 en	servo3	`Pwm`
P7_7	GPIO3_15		eth mdc	eth mdc	`Pwm`, `Adc`

P8_0	GPIO4_0
P8_1	GPIO4_1
P8_2	GPIO4_2
P8_3	GPIO4_3
P8_4	GPIO4_4
P8_5	GPIO4_5
P8_6	GPIO4_6
P8_7	GPIO4_7
P8_8

P9_0	GPIO4_12				`Ssp0_ssel`
P9_1	GPIO4_13				`Ssp0_miso`
P9_2	GPIO4_14				`Ssp0_mosi`
P9_3	GPIO4_15				`Uart3_tx`
P9_4	GPIO5_17				`Uart3_rx`
P9_5	GPIO5_18				`Uart0_tx`
P9_6	GPIO4_11				`Uart0_rx`

PA_0
PA_1	GPIO4_8				`Uart2_tx`
PA_2	GPIO4_9				`Uart2_rx`
PA_3	GPIO4_10
PA_4	GPIO5_19				`Pwm`

PB_0	GPIO5_20
PB_1	GPIO5_21				`Pwm`
PB_2	GPIO5_22				`Pwm`
PB_3	GPIO5_23				`Pwm`
PB_4	GPIO5_24
PB_5	GPIO5_25
PB_6	GPIO5_26				`Adc`

PC_0					`Adc`, `Sd_clk`
PC_1	GPIO6_0
PC_2	GPIO6_1
PC_3	GPIO6_2				`Dac`, `Adc`
PC_4	GPIO6_3
PC_5	GPIO6_4
PC_6	GPIO6_5
PC_7	GPIO6_6
PC_8	GPIO6_7
PC_9	GPIO6_8
PC_10	GPIO6_9
PC_11	GPIO6_10
PC_12	GPIO6_11
PC_13	GPIO6_12				`Uart1_tx`
PC_14	GPIO6_13				`Uart1_rx`

PD_0	GPIO6_14				`Pwm`
PD_1	GPIO6_15
PD_2	GPIO6_16				`Pwm`
PD_3	GPIO6_17				`Pwm`
PD_4	GPIO6_18				`Pwm`
PD_5	GPIO6_19				`Pwm`
PD_6	GPIO6_20				`Pwm`
PD_7	GPIO6_21
PD_8	GPIO6_22
PD_9	GPIO6_23				`Pwm`
PD_10	GPIO6_24
PD_11	GPIO6_25				`Pwm`
PD_12	GPIO6_26				`Pwm`
PD_13	GPIO6_27				`Pwm`
PD_14	GPIO6_28				`Pwm`
PD_15	GPIO6_29				`Pwm`
PD_16	GPIO6_30				`Pwm`

PE_0	GPIO7_0				`Can1`+`Tx`
PE_1	GPIO7_1				`Can1`+`Rx`
PE_2	GPIO7_2				`Can0`+`Rx`
PE_3	GPIO7_3				`Can0`+`Tx`
PE_4	GPIO7_4
PE_5	GPIO7_5				`Pwm`
PE_6	GPIO7_6				`Pwm`
PE_7	GPIO7_7				`Pwm`
PE_8	GPIO7_8				`Pwm`
PE_9	GPIO7_9
PE_10	GPIO7_10
PE_11	GPIO7_11				`Pwm` `Uart1`+`Tx`
PE_12	GPIO7_12				`Pwm` `Uart1`+`Rx`
PE_13	GPIO7_13				`Pwm` `I2c1`+`Sda`
PE_14	GPIO7_14
PE_15	GPIO7_15				`Pwm` `I2c1`+`Scl`

PF_0					`Ssp0_sck`
PF_1	GPIO7_16				`Ssp0_ssel`
PF_2	GPIO7_16				`Uart3`+`Tx`, `Ssp0_miso`
PF_3	GPIO7_18				`Uart3`+`Rx`, `Ssp0_mosi`
PF_4					`Ssp1_sck`
PF_5	GPIO7_19				`Ssp1_ssel`
PF_6	GPIO7_20				`Adc`, `Ssp1_miso`
PF_7	GPIO7_21				`Adc`, `Ssp1_mosi`
PF_8	GPIO7_22				`Adc`
PF_9	GPIO7_23				`Pwm`, `Adc`
PF_10	GPIO7_24				`Uart0`+`Tx`, `Adc`
PF_11	GPIO7_25				`Uart0`+`Rx`, `Adc`

ADC0					`Adc`
ADC1					`Adc`
ADC2					`Adc`
ADC3					`Adc`
ADC4					`Adc`
ADC5					`Adc`
ADC6					`Adc`
ADC7					`Adc`

CLK0					`Sd_clk`, `Ssp1_sck`

I2C0_SCL					`I2c`+`Scl`
I2C0_SDA					`I2c`+`Scl`

NOTE The italicized pins are hardcoded and would need to be changed in the source code. The rest are soft configurable in config.

Chip Pin	Module Pin	Breakout Pin	Arduino Pin	Smoothieboard 2.0 Pro	Comment
GP128	65	J17.14	D2	edison led
GP129	63	J18.12	D4	mcu reset	connected to mcu reset
GP130	61	J18.13	D0	uart1 rx	connected to mcu uart1 txd
GP131	46	J19.8	D1	uart1 tx	connected to mcu uart1 rxd
GP165	25	J18.2	A5	host shifter oe

GP77	60	J19.12		-	host breakout: sd0 cd
GP78	58	J20.11		-	host breakout: sd0 clk
GP79	62	J20.12		-	host breakout: sd0 cmd
GP80	66	J20.13		-	host breakout: sd0 d0
GP81	70	J20.14		-	host breakout: sd0 d1
GP82	64	J19.13		-	host breakout: sd0 d2
GP83	68	J19.14		-	host breakout: sd0 d3
GP84	44	J20.8		-	host breakout: sd0 clk fb
GP134	22	J20.3		-	host breakout: uart2 rxd
GP135	27	J17.5		-	host breakout: uart2 txd

GP40	52	J19.10		-	panel breakout: spi2 sck
GP41	54	J20.10		-	panel breakout: spi2 ssel
GP42	50	J20.9		-	panel breakout: spi2 moso
GP43	56	J19.11		-	panel breakout: spi2 misi
					panel breakout: enc a
					panel breakout: enc b
					panel breakout: click
					panel breakout: button
					panel breakout: buzz

GP109	55	J17.11		spi5 sck
GP110	53	J18.10		spi5 ssel a
GP111	51	J17.10		spi5 ssel b
GP114	59	J18.11		spi5 misi
GP115	57	J17.12		spi5 moso

FPGA Pin

One/Pro/Duo ^ Zpuino Pin ^ Smoothieboard 2.0 Pro ^ Comment |

B0_1P			fpga hswapen
B0_1N			mot3 sg tst
B0_2P			mot3 miso
B0_2N			mot3 mosi
B0_3P			mot3 sck
B0_3N			mot3 cs
B0_4P			mot3 dir
B0_4N			mot3 step
B0_34P			mot3 en
B0_34N			mot2 sg tst
B0_35P			mot2 miso
B0_35N			mot2 mosi
B0_36P			mot2 sck
B0_36N			mot2 cs
B0_37P			mot2 dir
B0_37N			mot2 step
B0_62P			mot2 en
B0_62N			mot1 sg tst
B0_63P			mot1 miso
B0_63N			mot1 mosi
B0_64P			mot1 sck
B0_64N			mot1 cs
B0_65P			mot1 dir
B0_65N			mot1 step
B0_66P			mot1 en
B0_66N			?

B1_1P			mcu uart3 txd
B1_1N			mcu uart3 rxd
B1_32P			mcu spi1 ssel
B1_32N			mcu spi1 sck
B1_33P			mcu spi1 mosi
B1_33N			mcu spi1 miso
B1_34P			mcu i2c1 sda
B1_34N			mcu i2c1 scl
B1_40P			oscillator
B1_40N			mcu clkout
B1_41P			mcu can0 td
B1_41N			mcu can0 rd
B1_42P			servo1
B1_42N			servo2
B1_43P			servo3
B1_43N			servo4
B1_45P			wing b15
B1_45N			wing b14
B1_46P			wing a1
B1_46N			wing a0
B1_47P			wing b13
B1_47N			wing b12
B1_74P			wing a3
B1_74N			wing a2

B2_DONE			fpga done
B2_1P			fpga sck
B2_1N			fpga m0
B2_2P			?
B2_2N			fpga ssel
B2_3P			fpga mosi
B2_3N			fpga miso
B2_12P			fpga sio2
B2_12N			fpga sio3
B2_13P			fpga m1
B2_13N			pwmout
B2_14P			wing b11
B2_14N			wing b10
B2_30P			wing a5
B2_30N			wing a4
B2_31P			wing b9
B2_31N			wing b8
B2_48P			wing a7
B2_48N			wing a6
B2_49P			wing b7
B2_49N			wing b6
B2_62P			wing a9
B2_62N			wing a8
B2_64P			wing b5
B2_64N			wing b4
B2_65P			fpga init
B2_65N			?
B2_PROG			fpga prog

B3_1P			wing a11
B3_1N			wing a10
B3_2P			wing b3
B3_2N			wing b2
B3_36P			wing a13
B3_36N			wing a12
B3_37P			wing b1
B3_37N			wing b0
B3_41P			wing a15
B3_41N			wing a14
B3_42P			mot5 dir
B3_42N			mot5 step
B3_43P			mot5 en
B3_43N			mot4 dir
B3_44P			mot4 step
B3_44N			mot4 en
B3_49P			mot sleep
B3_49N			mot reset
B3_50P			digipot sda
B3_50N			digipot scl
B3_51P			mot6 en
B3_51N			mot6 step
B3_52P			mot6 dir
B3_52N			mot7 en
B3_83P			mot7 step
B3_83N			mot7 dir

LPC4337 Pin Usage

Edison Pin Usage:

FPGA Pin Usage: