Raspberry Pi headerPins

Java library with headerPins and pins of all Raspberry Pi boards

Warning This project is no longer maintained. A newer and extended version is available in https://github.com/Pi4J/pi4j-board-info.

Info

Auto-generated info

Pi models

Name	Label	Description
MODEL_A	Model A	Without ethernet connector
MODEL_B	Model B	With ethernet connector
COMPUTE	Compute Module	Pi on a 200-pin DDR2-memory-like module for integration in embedded devices
ZERO	Zero	Smaller size and reduced GPIO capabilities

Pi board versions

Name	Label	Model	Header version	Release date
MODEL_1_A	Pi 1 Model A	MODEL_A	TYPE_1	2013-02
MODEL_1_A_PLUS	Pi 1 Model A+	MODEL_A	TYPE_1	2014-11
MODEL_3_A_PLUS	Pi 3 Model A+	MODEL_A	TYPE_3	2018-11
MODEL_1_B	Pi 1 Model B	MODEL_B	TYPE_1	2012-04
MODEL_1_B_PLUS	Pi 1 Model B+	MODEL_B	TYPE_1	2014-07
MODEL_2_B	Pi 2 Model B	MODEL_B	TYPE_2	2015-02
MODEL_2_B_V2	Pi 2 Model B V1.2	MODEL_B	TYPE_2	2016-10
MODEL_3_B	Pi 3 Model B	MODEL_B	TYPE_3	2016-02
MODEL_3_B_PLUS	Pi 3 Model B+	MODEL_B	TYPE_3	2018-03
MODEL_4_B	Pi 4 Model B	MODEL_B	TYPE_3	2019-06
COMPUTE_1	Compute Module 1	COMPUTE	COMPUTE	2014-04
COMPUTE_3	Compute Module 3	COMPUTE	COMPUTE	2017-01
COMPUTE_3_LITE	Compute Module 3 Lite	COMPUTE	COMPUTE	2017-01
COMPUTE_3_PLUS	Compute Module 3+	COMPUTE	COMPUTE	2019-01
COMPUTE_3_PLUS_LITE	Compute Module 3+ Lite	COMPUTE	COMPUTE	2019-01
ZERO_PCB_1_2	Pi Zero PCB V1.2	ZERO	TYPE_2	2015-11
ZERO_PCB_1_3	Pi Zero PCB V1.3	ZERO	TYPE_3	2016-05
ZERO_W	Pi Zero W	ZERO	TYPE_3	2017-02

Pin types

Name	Label	Color
POWER	Power	#990000
GROUND	Ground	#0
DIGITAL	Digital	#9900
DIGITAL_AND_PWM	Digital and PWM	#ff7ff00
DIGITAL_NO_PULL_DOWN	Digital without pulldown	#800080

Pin functions

Name	Label	Description
UART	Universal Asynchronous Receiver and Transmitter	Asynchronous serial communication protocol
GPCLK	General Purpose Clock	Output a fixed frequency
I2C	Inter Integrated Circuit	Synchronous serial computer bus
SPI	Serial Peripheral Interface	Four-wire serial bus

Header versions

Name	Label	Description	Headers
TYPE_1	Type 1	Used on original Model B	26pin header - type 1
TYPE_2	Type 2	Used on Model A and Model B (revision 2)	26pin header - type 2 + 8pin header
TYPE_3	Type 3	Used on Model A+, B+, Pi Zero, Pi Zero W, Pi2B, Pi3B, Pi4B	40pin header
COMPUTE	Compute Module	54 GPIO	Compute J5 + Compute J6

Header types

8pin header

Pin n°	Type	Function	BCM n°	Wiring pi n°	Name	Remark
1	POWER				5.0 VDC
2	POWER				3.3 VDC
3	DIGITAL		28	17
4	DIGITAL		29	18
5	DIGITAL		30	19
6	DIGITAL		31	20
7	GROUND				Ground
8	GROUND				Ground

26pin header - type 1

Pin n°	Type	Function	BCM n°	Wiring pi n°	Name	Remark
1	POWER				3.3 VDC
2	POWER				5.0 VDC
3	DIGITAL_NO_PULL_DOWN	I2C	0	8	SDA1 (I2C)	SDA.1 pin has a physical pull-up resistor
4	POWER				5.0 VDC
5	DIGITAL_NO_PULL_DOWN	I2C	1	9	SCL1 (I2C)	SCL.1 pin has a physical pull-up resistor
6	GROUND				Ground
7	DIGITAL	GPCLK	4	7	GPCLK0
8	DIGITAL	UART	14	15	UART TxD
9	GROUND				Ground
10	DIGITAL	UART	15	16	UART RxD
11	DIGITAL	SPI	17	0
12	DIGITAL_AND_PWM	SPI	18	1	PCM_CLK/PWM0	Supports PWM0 [ALT5]
13	DIGITAL		21	2
14	GROUND				Ground
15	DIGITAL		22	3
16	DIGITAL		23	4
17	POWER				3.3 VDC
18	DIGITAL		24	5
19	DIGITAL	SPI	10	12	MOSI (SPI)
20	GROUND				Ground
21	DIGITAL	SPI	9	13	MISO (SPI)
22	DIGITAL		25	6
23	DIGITAL	SPI	11	14	SCLK (SPI)
24	DIGITAL	SPI	8	10	CE0 (SPI)
25	GROUND				Ground
26	DIGITAL	SPI	7	11	CE1 (SPI)

26pin header - type 2

Pin n°	Type	Function	BCM n°	Wiring pi n°	Name	Remark
1	POWER				3.3 VDC
2	POWER				5.0 VDC
3	DIGITAL_NO_PULL_DOWN	I2C	2	8	SDA1 (I2C)	SDA.1 pin has a physical pull-up resistor
4	POWER				5.0 VDC
5	DIGITAL_NO_PULL_DOWN	I2C	3	9	SCL1 (I2C)	SCL.1 pin has a physical pull-up resistor
6	GROUND				Ground
7	DIGITAL	GPCLK	4	7	GPCLK0
8	DIGITAL	UART	14	15	UART TxD
9	GROUND				Ground
10	DIGITAL	UART	15	16	UART RxD
11	DIGITAL	SPI	17	0
12	DIGITAL_AND_PWM	SPI	18	1	PCM_CLK/PWM0	Supports PWM0 [ALT5]
13	DIGITAL		27	2
14	GROUND				Ground
15	DIGITAL		22	3
16	DIGITAL		23	4
17	POWER				3.3 VDC
18	DIGITAL		24	5
19	DIGITAL	SPI	10	12	MOSI (SPI)
20	GROUND				Ground
21	DIGITAL	SPI	9	13	MISO (SPI)
22	DIGITAL		25	6
23	DIGITAL	SPI	11	14	SCLK (SPI)
24	DIGITAL	SPI	8	10	CE0 (SPI)
25	GROUND				Ground
26	DIGITAL	SPI	7	11	CE1 (SPI)

40pin header

Pin n°	Type	Function	BCM n°	Wiring pi n°	Name	Remark
1	POWER				3.3 VDC
2	POWER				5.0 VDC
3	DIGITAL_NO_PULL_DOWN	I2C	2	8	SDA1 (I2C)	SDA.1 pin has a physical pull-up resistor
4	POWER				5.0 VDC
5	DIGITAL_NO_PULL_DOWN	I2C	3	9	SCL1 (I2C)	SCL.1 pin has a physical pull-up resistor
6	GROUND				Ground
7	DIGITAL	GPCLK	4	7	GPCLK0
8	DIGITAL	UART	14	15	UART TxD
9	GROUND				Ground
10	DIGITAL	UART	15	16	UART RxD
11	DIGITAL	SPI	17	0
12	DIGITAL_AND_PWM	SPI	18	1	PCM_CLK/PWM0	Supports PWM0 [ALT5]
13	DIGITAL		27	2
14	GROUND				Ground
15	DIGITAL		22	3
16	DIGITAL		23	4
17	POWER				3.3 VDC
18	DIGITAL		24	5
19	DIGITAL	SPI	10	12	MOSI (SPI)
20	GROUND				Ground
21	DIGITAL	SPI	9	13	MISO (SPI)
22	DIGITAL		25	6
23	DIGITAL	SPI	11	14	SCLK (SPI)
24	DIGITAL	SPI	8	10	CE0 (SPI)
25	GROUND				Ground
26	DIGITAL	SPI	7	11	CE1 (SPI)
27	DIGITAL_NO_PULL_DOWN	I2C	0	30	SDA0 I2C ID EEPROM	SDA.0 pin has a physical pull-up resistor
28	DIGITAL_NO_PULL_DOWN	I2C	1	31	SCL0 I2C ID EEPROM	SDC.0 pin has a physical pull-up resistor
29	DIGITAL	GPCLK	5	21	GPCLK1
30	GROUND				Ground
31	DIGITAL	GPCLK	6	22	GPCL2
32	DIGITAL_AND_PWM		12	26	PWM0	Supports PWM0 [ALT0]
33	DIGITAL_AND_PWM		13	23	PWM1	Supports PWM1 [ALT0]
34	GROUND				Ground
35	DIGITAL_AND_PWM	SPI	19	24	PCM_FS/PWM1	Supports PWM1 [ALT5]
36	DIGITAL	SPI	16	27
37	DIGITAL		26	25
38	DIGITAL	SPI	20	28	PCM_DIN
39	GROUND				Ground
40	DIGITAL	SPI	21	29	PCM_DOUT

Compute J5

Pin n°	Type	Function	BCM n°	Wiring pi n°	Name	Remark

Compute J6

Pin n°	Type	Function	BCM n°	Wiring pi n°	Name	Remark