Raspberry Pi 4 Pinout Diagram and Terminals Identification

The Raspberry Pi is a really well-known small pc that operated with Linux Working System. The Raspberry Pi 4 is an ultra-high efficiency board than its different variations. It's developed in 2019. It has a Cortex A72 Prcessor and 64-bit Broadcom 2711. The processor is operated with a 1.5GHz clock sign. It has two micro HMI Ports to attach the 4K shows. It makes use of a C-type USB port to attach the facility provide. It additionally has a dual-channel 2.4/5.0 GHz wi-fi LAN system, Gigabit Ethernet Port, two quantity 3.0 USB ports, and helps Bluetooth 5.0.

Right here, you'll be able to see the pinout diagram of Raspberry Pi 4. Right here, solely pins are highlighted.

Raspberry Pi 4 Pinout Diagram and terminals, pinout diagram of Raspberry Pi 4

You possibly can see the Raspberry Pi 4 module has a complete of 40 pins. Now, let's focus on the pin configuration.

Energy Provide Pins

Energy provide pins are these by way of which we will present the facility provide to this board or take the facility provide from it. Notice that the Raspberry Pi 4 works effectively with a 5V DC provide solely. Offering extra voltage can burn out the board.

Energy IN

To offer energy to this board, it has two 5V energy provide pins - pin no 2 and 4. So utilizing any of those pins and a floor pin we will present an influence provide to this board. Though it helps two strategies for energy in both utilizing these pins or by way of the USB kind C port. The 5V pins are straight related to the USB port. The enter energy provide all the time be secure for higher efficiency. The USB port C is related by way of the regulators and fuse however pins are bypassed or straight related. So extra security is required when offering the facility provide by way of pins. It has a complete of seven nos floor pins, all are related to one another so anybody of them can be utilized for the destructive energy provide.

Energy OUT

Energy out means taking energy from this board to the exterior units. For this goal, it has two 3.3V pins(pin no 1 and 17) and two 5V pins(pin no 2 and 6). 3.3V pins are related by way of the regulator circuit, to allow them to present a secure 3.3V energy output. The 5V pins are additionally related to the USB ports additionally. 

The bottom pins are,

  • Pin No 6
  • Pin No 9
  • Pin No 14
  • Pin No 20
  • Pin No 25
  • Pin No 30
  • Pin No 34
  • Pin No 39

Digital Enter/Output Pins

The Raspberry Pi 4 has a complete of 28 Digital enter/output or GPIO pins. Right here, you'll be able to see the listing and pin numbers,

GPIO0 – Pin No 27

GPIO1 – Pin No 28

GPIO2 – Pin No 3

GPIO3 – Pin No 5

GPIO4 – Pin No 7

GPIO5 – Pin No 29

GPIO6 – Pin No 31

GPIO7 – Pin No 26

GPIO8 – Pin No 24

GPIO9 – Pin No 21

GPIO10 – Pin No 19

GPIO11 – Pin No 23

GPIO12 – Pin No 32

GPIO13 – Pin No 33

GPIO14 – Pin No 8

GPIO15 – Pin No 10

GPIO16 – Pin No 36

GPIO17 – Pin No 11

GPIO18 – Pin No 12

GPIO19 – Pin No 35

GPIO20 – Pin No 38

GPIO21 – Pin No 40

GPIO22 – Pin No 15

GPIO23 – Pin No 16

GPIO24 – Pin No 18

GPIO25 – Pin No 22

GPIO26 – Pin No 37

GPIO27 – Pin No 13

Serial Communication and UART Pins

The GPIO pins of this module can be utilized for different capabilities reminiscent of communication functions. Right here the listing of pins by way of serial and UART communication may be executed.

TXD1 – GPIO14 – Pin No 8

RXD1 – GPIO15 – Pin No 10

TXD2 – GPIO0 – Pin No 27

RXD2 – GPIO1 – Pin No 28

TXD3 – GPIO5 – Pin No 29

RXD3 – GPIO4 – Pin No 7

TXD4 – GPIO8 – Pin No 24

RXD4 – GPIO9 – Pin No 21

TXD5 – GPIO12 – Pin No 32

RXD5 – GPIO13 – Pin No 33

SPI Communication Pins

Right here, the listing of SPI Communication Pins by way of which controlling units may be related that makes use of SPI Protocols.

SPI3 CEO N – GPIO0 – Pin No 27

SPI3 MISO – GPIO1 – Pin No 28

SPI3 MOSI – GPIO2 – Pin No 3

SPI3 SCLK – GPIO3 – Pin No 5

SPI4 CEO N – GPIO4 – Pin No 7

SPI4 MISO – GPIO5 – Pin No 29

SPI4 MOSI – GPIO6 – Pin No 31

SPI4 SCLK – GPIO7 – Pin No 26

SPI0 CE1 N – GPIO8 – Pin No 24

SPI0 CE0 N – GPIO9 – Pin No 21

SPI0 MISO – GPIO10 – Pin No 19

SPI0 MOSI – GPIO11 – Pin No 23

SPI5 CEO N/ SPI0 SCLK – GPIO12 – Pin No 32

SPI5 MISO – GPIO13 – Pin No 33

SPI5 MOSI – GPIO14 – Pin No 8

SPI5 SCLK – GPIO15 – Pin No 10

CTS0 – GPIO16 – Pin No 36

RTS0 – GPIO17 – Pin No 11

SPI6 CEO N – GPIO18 – Pin No 12

SPI6 MISO – GPIO19 – Pin No 35

SPI6 MOSI – GPIO20 – Pin No 38

SPI6 SCLK – GPIO21 – Pin No 40

I^2C Communication Pins

Right here is the listing of pins used for the communication that makes use of I^2C Protocol.

SDA0/SDA6 – GPIO0 – Pin No 27

SCL0/SCL6 – GPIO1 – Pin No 28

SDA1/SDA3 – GPIO2 – Pin No 3

SCL1/SCL3 – GPIO3 – Pin No 5

SDA3 – GPIO4 – Pin No 7

SCL3 – GPIO5 – Pin No 29

SDA4 – GPIO6 – Pin No 31

SCL4 – GPIO7 – Pin No 26

SDA4 – GPIO8 – Pin No 24

SCL4 – GPIO9 – Pin No 21

SDA5 – GPIO10 – Pin No 19

SCL5 – GPIO11 – Pin No 23

SDA5 – GPIO12 – Pin No 32

SCL5 – GPIO13 – Pin No 33

SDA6 – GPIO22 – Pin No 15

SCL6 – GPIO23 – Pin No 16

Pulse Width Modulation(PWM) Pins

PWM0 – GPIO12 – Pin No 32

PWM1 – GPIO13 – Pin No 33

PWM0 – GPIO18 – Pin No 12

PWM1 – GPIO19 – Pin No 35

SD Card Enter/Output Pins

SD0CLK/SD1 CLK – GPIO22 – Pin No 15

SD0 CMD/SD1 CMD – GPIO23 – Pin No 16

SD0 DATA0/SD1 DAT0 – GPIO24 – Pin No 18

SD0 DAT1/SD1 DAT1 – GPIO25 – Pin No 22

SD1 DAT2/SD1 DAT2 – GPIO26 – Pin No 37

SD0 DAT3/SD1 DAT3 – GPIO27 – Pin No 13

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