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Difference between revisions of "RockpiS/hardware/gpio"

 
(6 intermediate revisions by the same user not shown)
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== <span id="gpio">General purpose input-output (GPIO) connector</span> ==
 
== <span id="gpio">General purpose input-output (GPIO) connector</span> ==
  
−
ROCK Pi S has two 26-pin expansion header. Each pin is distinguished by color.
+
ROCK Pi S has two 26-pin expansion header. Each pin is distinguished by color, pin name and  location are named as bellow.
 +
[[File:Rockpis_top-latest.jpg | 500px | left]]
  
 
<div class="col-md-12 ">
 
<div class="col-md-12 ">
Line 55: Line 56:
 
! GPIO number || Func3 || Func2 ||  Func1 ||  Pin# || || Pin# || Func1 || Func2 || Func3 || GPIO number
 
! GPIO number || Func3 || Func2 ||  Func1 ||  Pin# || || Pin# || Func1 || Func2 || Func3 || GPIO number
 
|-  
 
|-  
−
| || || || GND || style="background:black; color:white"| 1 ||  ||style="background:black; color:white"| 2 || GPIO2_A6 || I2S0_8CH_SCLK_RX || PDM_CLK_S_M2 ||| 70
+
| || || || GND || style="background:black; color:white"| 27 ||  ||style="background:black; color:white"| 28 || GPIO2_A6 || I2S0_8CH_SCLK_RX || PDM_CLK_S_M2 ||| 70
 
|-
 
|-
−
| || || || ADC_KEY_IN1 || style="background:black; color:white"| 3 || || style="background:black; color:white"| 4 || GPIO2_B5 || I2S0_8CH_SDI0 || PDM_SDI0_M2 || 77
+
| || || || ADC_KEY_IN1 || style="background:black; color:white"| 29 || || style="background:black; color:white"| 30 || GPIO2_B5 || I2S0_8CH_SDI0 || PDM_SDI0_M2 || 77
 
|-
 
|-
−
| || || || MICBIAS2 || style="background:black; color:white"| 5 || || style="background:black; color:white"| 6 || GPIO2_B6 || I2S0_8CH_SDI1 || PDM_SDI1_M2 || 78
+
| || || || MICBIAS2 || style="background:black; color:white"| 31 || || style="background:black; color:white"| 32 || GPIO2_B6 || I2S0_8CH_SDI1 || PDM_SDI1_M2 || 78
 
|-
 
|-
−
| || || || MICBIAS1 || style="background:black; color:white"| 7 || || style="background:black; color:white"| 8 || GPIO2_B7 || I2S0_8CH_SDI2 || PDM_SDI2_M2 || 79
+
| || || || MICBIAS1 || style="background:black; color:white"| 33 || || style="background:black; color:white"| 34 || GPIO2_B7 || I2S0_8CH_SDI2 || PDM_SDI2_M2 || 79
 
|-
 
|-
−
| || || || MICN8 || style="background:black; color:white"| 9 || || style="background:black; color:white"|10 || MCIP8 || || ||
+
| || || || MICN8 || style="background:black; color:white"| 35 || || style="background:black; color:white"|36 || MCIP8 || || ||
 
|-
 
|-
−
| || || || MICN7 || style="background:black; color:white"|11 || || style="background:black; color:white"|12 || MCIP7 || || ||
+
| || || || MICN7 || style="background:black; color:white"|37 || || style="background:black; color:white"|38 || MCIP7 || || ||
 
|-
 
|-
−
| || || || MICN6 || style="background:black; color:white"|13 ||  || style="background:black; color:white"|14 || MCIP6 || || ||
+
| || || || MICN6 || style="background:black; color:white"|39 ||  || style="background:black; color:white"|40 || MCIP6 || || ||
 
|-
 
|-
−
| || || || MICN5 || style="background:black; color:white"|15 || || style="background:black; color:white"|16 || MCIP5 || || ||
+
| || || || MICN5 || style="background:black; color:white"|41 || || style="background:black; color:white"|42 || MCIP5 || || ||
 
|-
 
|-
−
| || || || MICN4 || style="background:black; color:white"|17 || || style="background:black; color:white"|18 || MCIP4 || || ||
+
| || || || MICN4 || style="background:black; color:white"|43 || || style="background:black; color:white"|44 || MCIP4 || || ||
 
|-
 
|-
−
| || || || MICN3 || style="background:black; color:white"|19 ||  ||style="background:black; color:white"|20 || MCIP3 || || ||
+
| || || || MICN3 || style="background:black; color:white"|45 ||  ||style="background:black; color:white"|46 || MCIP3 || || ||
 
|-
 
|-
−
| || || || MICN2 || style="background:black; color:white"|21 ||  || style="background:black; color:white"|22 || MCIP2 || || ||
+
| || || || MICN2 || style="background:black; color:white"|47 ||  || style="background:black; color:white"|48 || MCIP2 || || ||
 
|-
 
|-
−
| || || || MICN1 || style="background:black; color:white"|23 ||  || style="background:black; color:white"|24 || MCIP1 || || ||
+
| || || || MICN1 || style="background:black; color:white"|49 ||  || style="background:black; color:white"|50 || MCIP1 || || ||
 
|-
 
|-
−
| || || || LINEOUT_R || style="background:black; color:white"|25 ||  || style="background:black; color:white"|26 || LINEOUT_L || || ||
+
| || || || LINEOUT_R || style="background:black; color:white"|51 ||  || style="background:black; color:white"|52 || LINEOUT_L || || ||
 
|}
 
|}
 
         </div>
 
         </div>
Line 137: Line 138:
 
! GPIO number || Func3 || Func2 ||  Func1 ||  Pin# || || Pin# || Func1 || Func2 || Func3 || GPIO number
 
! GPIO number || Func3 || Func2 ||  Func1 ||  Pin# || || Pin# || Func1 || Func2 || Func3 || GPIO number
 
|-  
 
|-  
−
| || || || GND || style="background:black; color:white"| 1 ||  ||style="background:black; color:white"| 2 || GPIO2_A6 || I2S0_8CH_SCLK_RX || PDM_CLK_S_M2 ||| 70
+
| || || || GND || style="background:black; color:white"| 27 ||  ||style="background:black; color:white"| 28 || GPIO2_A6 || I2S0_8CH_SCLK_RX || PDM_CLK_S_M2 ||| 70
 
|-
 
|-
−
| || || || ADC_KEY_IN1 || style="background:black; color:white"| 3 || || style="background:black; color:white"| 4 || GPIO2_B5 || I2S0_8CH_SDI0 || PDM_SDI0_M2 || 77
+
| || || || ADC_KEY_IN1 || style="background:black; color:white"| 29 || || style="background:black; color:white"| 30 || GPIO2_B5 || I2S0_8CH_SDI0 || PDM_SDI0_M2 || 77
 
|-
 
|-
−
| || || || MICBIAS2 || style="background:black; color:white"| 5 || || style="background:black; color:white"| 6 || GPIO2_B6 || I2S0_8CH_SDI1 || PDM_SDI1_M2 || 78
+
| || || || MICBIAS2 || style="background:black; color:white"| 31 || || style="background:black; color:white"| 32 || GPIO2_B6 || I2S0_8CH_SDI1 || PDM_SDI1_M2 || 78
 
|-
 
|-
−
| || || || MICBIAS1 || style="background:black; color:white"| 7 || || style="background:black; color:white"| 8 || GPIO2_B7 || I2S0_8CH_SDI2 || PDM_SDI2_M2 || 79
+
| || || || MICBIAS1 || style="background:black; color:white"| 33 || || style="background:black; color:white"| 34 || GPIO2_B7 || I2S0_8CH_SDI2 || PDM_SDI2_M2 || 79
 
|-
 
|-
−
| || || || MICN8 || style="background:black; color:white"| 9 || || style="background:black; color:white"|10 || MCIP8 || || ||
+
| || || || MICN8 || style="background:black; color:white"| 35 || || style="background:black; color:white"|36 || MCIP8 || || ||
 
|-
 
|-
−
| || || || MICN7 || style="background:black; color:white"|11 || || style="background:black; color:white"|12 || MCIP7 || || ||
+
| || || || MICN7 || style="background:black; color:white"|37 || || style="background:black; color:white"|38 || MCIP7 || || ||
 
|-
 
|-
−
| || || || MICN6 || style="background:black; color:white"|13 ||  || style="background:black; color:white"|14 || MCIP6 || || ||
+
| || || || MICN6 || style="background:black; color:white"|39 ||  || style="background:black; color:white"|40 || MCIP6 || || ||
 
|-
 
|-
−
| || || || MICN5 || style="background:black; color:white"|15 || || style="background:black; color:white"|16 || MCIP5 || || ||
+
| || || || MICN5 || style="background:black; color:white"|41 || || style="background:black; color:white"|42 || MCIP5 || || ||
 
|-
 
|-
−
| || || || MICN4 || style="background:black; color:white"|17 || || style="background:black; color:white"|18 || MCIP4 || || ||
+
| || || || MICN4 || style="background:black; color:white"|43 || || style="background:black; color:white"|44 || MCIP4 || || ||
 
|-
 
|-
−
| || || || MICN3 || style="background:black; color:white"|19 ||  ||style="background:black; color:white"|20 || MCIP3 || || ||
+
| || || || MICN3 || style="background:black; color:white"|45 ||  ||style="background:black; color:white"|46 || MCIP3 || || ||
 
|-
 
|-
−
| || || || MICN2 || style="background:black; color:white"|21 ||  || style="background:black; color:white"|22 || MCIP2 || || ||
+
| || || || MICN2 || style="background:black; color:white"|47 ||  || style="background:black; color:white"|48 || MCIP2 || || ||
 
|-
 
|-
−
| || || || MICN1 || style="background:black; color:white"|23 ||  || style="background:black; color:white"|24 || MCIP1 || || ||
+
| || || || MICN1 || style="background:black; color:white"|49 ||  || style="background:black; color:white"|50 || MCIP1 || || ||
 
|-
 
|-
−
| || || || LINEOUT_R || style="background:black; color:white"|25 ||  || style="background:black; color:white"|26 || LINEOUT_L || || ||
+
| || || || LINEOUT_R || style="background:black; color:white"|51 ||  || style="background:black; color:white"|52 || LINEOUT_L || || ||
 
|}
 
|}
 
         </div>
 
         </div>
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==== 26-pin Header 1 ====
 
==== 26-pin Header 1 ====
−
[[File:rockpis-top.jpg | 1000px | right]]
 
  
 
{| class="mw-collapsible wikitable"
 
{| class="mw-collapsible wikitable"
Line 221: Line 221:
 
! GPIO number || Func3 || Func2 ||  Func1 ||  Pin# || || Pin# || Func1 || Func2 || Func3 || GPIO number
 
! GPIO number || Func3 || Func2 ||  Func1 ||  Pin# || || Pin# || Func1 || Func2 || Func3 || GPIO number
 
|-  
 
|-  
−
| || || || GND || style="background:black; color:white"| 1 ||  ||style="background:black; color:white"|2 || GPIO2_B5 || I2S0_8CH_SDI0 || PDM_SDI0_M2 ||| 77
+
| || || || GND || style="background:black; color:white"| 27 ||  ||style="background:black; color:white"|28 || GPIO2_B5 || I2S0_8CH_SDI0 || PDM_SDI0_M2 ||| 77
 
|-
 
|-
−
| || || || ADC_KEY_IN1 || style="background:black; color:white"| 3 || || style="background:black; color:white"|4 || GPIO2_B6 || I2S0_8CH_SDI1 || PDM_SDI1_M2 || 78
+
| || || || ADC_KEY_IN1 || style="background:black; color:white"| 29 || || style="background:black; color:white"|30 || GPIO2_B6 || I2S0_8CH_SDI1 || PDM_SDI1_M2 || 78
 
|-
 
|-
−
| || || || MICBIAS2 || style="background:black; color:white"| 5 || || style="background:black; color:white"|6 || GPIO2_B7 || I2S0_8CH_SDI2 || PDM_SDI2_M2 || 79
+
| || || || MICBIAS2 || style="background:black; color:white"| 31 || || style="background:black; color:white"|32 || GPIO2_B7 || I2S0_8CH_SDI2 || PDM_SDI2_M2 || 79
 
|-
 
|-
−
| || || || MICBIAS1 || style="background:black; color:white"| 7 || || style="background:black; color:white"|8 || GPIO2_C0 || I2S0_8CH_SDI3 || PDM_SDI3_M2 || 80
+
| || || || MICBIAS1 || style="background:black; color:white"|33 || || style="background:black; color:white"|34 || GPIO2_C0 || I2S0_8CH_SDI3 || PDM_SDI3_M2 || 80
 
|-
 
|-
−
| || || || MICN8 || style="background:black; color:white"| 9 || || style="background:black; color:white"|10 || MCIP8 || || ||
+
| || || || MICN8 || style="background:black; color:white"| 35 || || style="background:black; color:white"|36 || MCIP8 || || ||
 
|-
 
|-
−
| || || || MICN7 || style="background:black; color:white"|11 || || style="background:black; color:white"|12 || MCIP7 || || ||
+
| || || || MICN7 || style="background:black; color:white"|37 || || style="background:black; color:white"|38 || MCIP7 || || ||
 
|-
 
|-
−
| || || || MICN6 || style="background:black; color:white"|13 ||  || style="background:black; color:white"|14 || MCIP6 || || ||
+
| || || || MICN6 || style="background:black; color:white"|39 ||  || style="background:black; color:white"|40 || MCIP6 || || ||
 
|-
 
|-
−
| || || || MICN5 || style="background:black; color:white"|15 || || style="background:black; color:white"|16 || MCIP5 || || ||
+
| || || || MICN5 || style="background:black; color:white"|41 || || style="background:black; color:white"|42 || MCIP5 || || ||
 
|-
 
|-
−
| 76 || || I2S0_8CH_SDO3 || GPIO2_B4 || style="background:black; color:white"|17 || || style="background:black; color:white"|18 || GPIO2_B3 || I2S0_8CH_SDO2 || || 75
+
| 76 || || I2S0_8CH_SDO3 || GPIO2_B4 || style="background:black; color:white"|43 || || style="background:black; color:white"|44 || GPIO2_B3 || I2S0_8CH_SDO2 || || 75
 
|-
 
|-
−
| 72  || || I2S0_8CH_LRCK_RX || GPIO2_B0 || style="background:black; color:white"|19 ||  ||style="background:black; color:white"|20 || GPIO2_A6 || I2S0_8CH_SCLK_RX || PDM_CLK_S_M2 || 70
+
| 72  || || I2S0_8CH_LRCK_RX || GPIO2_B0 || style="background:black; color:white"|45 ||  ||style="background:black; color:white"|46 || GPIO2_A6 || I2S0_8CH_SCLK_RX || PDM_CLK_S_M2 || 70
 
|-
 
|-
−
| || || || MICN2 || style="background:black; color:white"|21 ||  || style="background:black; color:white"|22 || MCIP2 || || ||
+
| || || || MICN2 || style="background:black; color:white"|47 ||  || style="background:black; color:white"|48 || MCIP2 || || ||
 
|-
 
|-
−
| || || || MICN1 || style="background:black; color:white"|23 ||  || style="background:black; color:white"|24 || MCIP1 || || ||
+
| || || || MICN1 || style="background:black; color:white"|49 ||  || style="background:black; color:white"|50 || MCIP1 || || ||
 
|-
 
|-
−
| || || || LINEOUT_R || style="background:black; color:white"|25 ||  || style="background:black; color:white"|26 || LINEOUT_L || || ||
+
| || || || LINEOUT_R || style="background:black; color:white"|51 ||  || style="background:black; color:white"|52 || LINEOUT_L || || ||
 
|}
 
|}
  
Line 267: Line 267:
  
 
==== 26-pin Header 1 ====
 
==== 26-pin Header 1 ====
 +
  
 
{| class="mw-collapsible wikitable"
 
{| class="mw-collapsible wikitable"

Latest revision as of 01:49, 21 September 2022

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    ROCK Pi S >  Hardware >  GPIO


General purpose input-output (GPIO) connector

ROCK Pi S has two 26-pin expansion header. Each pin is distinguished by color, pin name and location are named as bellow.

Rockpis top-latest.jpg

Hardware V10

26-pin Header 1

GPIO number Func4 Func3 Func2 Func1 Pin# Pin# Func1 Func2 Func3 Func4 GPIO number
+3.3V 1 2 +5.0V
12 I2C1_SCL GPIO0_B4 3 4 +5.0V
11 I2C1_SDA GPIO0_B3 5 6 GND
69 I2S0_SCLK_TX GPIO2_A5 7 8 GPIO4_D3 SDMMC_D3 UART2_TX_M1 PMU_ST3 155
64 SPI0_MISO UART0_RX GPIO2_A0 9 10 GPIO4_D2 SDMMC_D2 UART2_RX_M1 PMU_ST2 154
65 SPI0_MOSI UART0_TX GPIO2_A1 11 12 GPIO0_C0 PWM3 I2C3_SCL_M0 16
66 I2C2_SDA SPI0_CLK UART0_CTSN GPIO2_A2 13 14 GND
67 I2C2_SCL SPI0_CSN0 UART0_RTSN GPIO2_A3 15 16 GPIO2_A7 I2S0_8CH_LRCK_TX 71
+3.3V 17 18 GPIO2_B1 I2S0_8CH_SDO0 73
55 SPI2_MOSI UART2_TX_M0 UART1_RTSN GPIO1_C7 19 20 GND
54 SPI2_MISO UART2_RX_M0 UART1_CTSN GPIO1_C6 21 22 GPIO0_B6 PWM1 14
56 SPI2_CLK I2C0_SDA UART1_RX GPIO1_D0 23 24 GPIO1_D1 UART1_TX I2C0_SCL SPI2_CSN0 57
GND 25 26 GPIO0_B7 PWM2 I2C3_SDA_M0 15

Warning

  • Pin#8 and Pin#10 cannot be used as GPIO, UART function pins since they are the data pins of SDMMC.

26-pin Header 2

GPIO number Func3 Func2 Func1 Pin# Pin# Func1 Func2 Func3 GPIO number
GND 27 28 GPIO2_A6 I2S0_8CH_SCLK_RX PDM_CLK_S_M2 70
ADC_KEY_IN1 29 30 GPIO2_B5 I2S0_8CH_SDI0 PDM_SDI0_M2 77
MICBIAS2 31 32 GPIO2_B6 I2S0_8CH_SDI1 PDM_SDI1_M2 78
MICBIAS1 33 34 GPIO2_B7 I2S0_8CH_SDI2 PDM_SDI2_M2 79
MICN8 35 36 MCIP8
MICN7 37 38 MCIP7
MICN6 39 40 MCIP6
MICN5 41 42 MCIP5
MICN4 43 44 MCIP4
MICN3 45 46 MCIP3
MICN2 47 48 MCIP2
MICN1 49 50 MCIP1
LINEOUT_R 51 52 LINEOUT_L

More details about V10 Headers

  • Pins marked with color orange are designed for default debug console.
  • PWM: x3, PWM1/PWM2/PWM3
  • SPI: x2, SPI0/SPI2
  • I2C: x4, I2C0/I2C1/I2C2/I2C3
  • UART: x3, UART0/UART1/UART2

Hardware V11

26-pin Header 1

GPIO number Func4 Func3 Func2 Func1 Pin# Pin# Func1 Func2 Func3 Func4 GPIO number
+3.3V 1 2 +5.0V
11 I2C1_SDA GPIO0_B3 3 4 +5.0V
12 I2C1_SCL GPIO0_B4 5 6 GND
69 I2S0_SCLK_TX GPIO2_A5 7 8 GPIO2_A1 UART0_TX SPI0_MOSI 65
GND 9 10 GPIO2_A0 UART0_RX SPI0_MISO 64
15 I2C3_SDA_M0 PWM2 GPIO0_B7 11 12 GPIO2_A2 UART0_CTSN SPI0_CLK I2C2_SDA 66
16 I2C3_SCL_M0 PWM3 GPIO0_C0 13 14 GND
17 SPDIF_TX GPIO0_C1 15 16 GPIO2_A3 UART0_RTSN SPI0_CSN0 I2C2_SCL 67
+3.3V 17 18 GPIO2_B1 I2S0_8CH_SDO0 73
55 SPI2_MOSI UART2_TX_M0 UART1_RTSN GPIO1_C7 19 20 GND
54 SPI2_MISO UART2_RX_M0 UART1_CTSN GPIO1_C6 21 22 GPIO0_B6 PWM1 14
56 SPI2_CLK I2C0_SDA UART1_RX GPIO1_D0 23 24 GPIO1_D1 UART1_TX I2C0_SCL SPI2_CSN0 57
GND 25 26 ADC_IN0

26-pin Header 2

GPIO number Func3 Func2 Func1 Pin# Pin# Func1 Func2 Func3 GPIO number
GND 27 28 GPIO2_A6 I2S0_8CH_SCLK_RX PDM_CLK_S_M2 70
ADC_KEY_IN1 29 30 GPIO2_B5 I2S0_8CH_SDI0 PDM_SDI0_M2 77
MICBIAS2 31 32 GPIO2_B6 I2S0_8CH_SDI1 PDM_SDI1_M2 78
MICBIAS1 33 34 GPIO2_B7 I2S0_8CH_SDI2 PDM_SDI2_M2 79
MICN8 35 36 MCIP8
MICN7 37 38 MCIP7
MICN6 39 40 MCIP6
MICN5 41 42 MCIP5
MICN4 43 44 MCIP4
MICN3 45 46 MCIP3
MICN2 47 48 MCIP2
MICN1 49 50 MCIP1
LINEOUT_R 51 52 LINEOUT_L

More details about V11 Headers

  • Pins marked with color orange are designed for default debug console.
  • PWM: x3, PWM1/PWM2/PWM3
  • SPI: x2, SPI0/SPI2
  • I2C: x4, I2C0/I2C1/I2C2/I2C3
  • UART: x3, UART0/UART1/UART2
  • ADC: x1, ADC_IN0. The max input voltage is 1.8V.

Hardware V12

26-pin Header 1

GPIO number Func4 Func3 Func2 Func1 Pin# Pin# Func1 Func2 Func3 Func4 GPIO number
+3.3V 1 2 +5.0V
11 I2C1_SDA GPIO0_B3 3 4 +5.0V
12 I2C1_SCL GPIO0_B4 5 6 GND
68 PDM_CLK_M_M2 I2S0_8CH_MCLK GPIO2_A4 7 8 GPIO2_A1 UART0_TX SPI0_MOSI 65
GND 9 10 GPIO2_A0 UART0_RX SPI0_MISO 64
15 I2C3_SDA_M0 PWM2 GPIO0_B7 11 12 GPIO2_A5 I2S0_8CH_SCLK_TX 69
16 I2C3_SCL_M0 PWM3 GPIO0_C0 13 14 GND
17 SPDIF_TX GPIO0_C1 15 16 GPIO2_B2 I2S0_8CH_SDO1 74
+3.3V 17 18 GPIO2_B1 I2S0_8CH_SDO0 73
55 SPI2_MOSI UART2_TX_M0 UART1_RTSN GPIO1_C7 19 20 GND
54 SPI2_MISO UART2_RX_M0 UART1_CTSN GPIO1_C6 21 22 GPIO2_A7 I2S0_8CH_LRCK_TX 71
56 SPI2_CLK I2C0_SDA UART1_RX GPIO1_D0 23 24 GPIO1_D1 UART1_TX I2C0_SCL SPI2_CSN0 57
GND 25 26 ADC_IN0

26-pin Header 2

GPIO number Func3 Func2 Func1 Pin# Pin# Func1 Func2 Func3 GPIO number
GND 27 28 GPIO2_B5 I2S0_8CH_SDI0 PDM_SDI0_M2 77
ADC_KEY_IN1 29 30 GPIO2_B6 I2S0_8CH_SDI1 PDM_SDI1_M2 78
MICBIAS2 31 32 GPIO2_B7 I2S0_8CH_SDI2 PDM_SDI2_M2 79
MICBIAS1 33 34 GPIO2_C0 I2S0_8CH_SDI3 PDM_SDI3_M2 80
MICN8 35 36 MCIP8
MICN7 37 38 MCIP7
MICN6 39 40 MCIP6
MICN5 41 42 MCIP5
76 I2S0_8CH_SDO3 GPIO2_B4 43 44 GPIO2_B3 I2S0_8CH_SDO2 75
72 I2S0_8CH_LRCK_RX GPIO2_B0 45 46 GPIO2_A6 I2S0_8CH_SCLK_RX PDM_CLK_S_M2 70
MICN2 47 48 MCIP2
MICN1 49 50 MCIP1
LINEOUT_R 51 52 LINEOUT_L

More details about V12 Headers

  • Pins marked with color orange are designed for default debug console.
  • PWM: x2, PWM2/PWM3
  • SPI: x1, SPI2
  • I2C: x3, I2C0/I2C1/I2C3
  • UART: x3, UART0/UART1/UART2
  • ADC: x1, ADC_IN0. The max input voltage is 1.8V.

Hardware V13

26-pin Header 1

GPIO number Func4 Func3 Func2 Func1 Pin# Pin# Func1 Func2 Func3 Func4 GPIO number
+3.3V 1 2 +5.0V
11 I2C1_SDA GPIO0_B3 3 4 +5.0V
12 I2C1_SCL GPIO0_B4 5 6 GND
68 PDM_CLK_M_M2 I2S0_8CH_MCLK GPIO2_A4 7 8 GPIO2_A1 UART0_TX SPI0_MOSI 65
GND 9 10 GPIO2_A0 UART0_RX SPI0_MISO 64
15 I2C3_SDA_M0 PWM2 GPIO0_B7 11 12 GPIO2_A5 I2S0_8CH_SCLK_TX 69
16 I2C3_SCL_M0 PWM3 GPIO0_C0 13 14 GND
17 SPDIF_TX GPIO0_C1 15 16 GPIO2_B2 I2S0_8CH_SDO1 74
+3.3V 17 18 GPIO2_B1 I2S0_8CH_SDO0 73
55 SPI2_MOSI UART2_TX_M0 UART1_RTSN GPIO1_C7 19 20 GND
54 SPI2_MISO UART2_RX_M0 UART1_CTSN GPIO1_C6 21 22 GPIO2_A7 I2S0_8CH_LRCK_TX 71
56 SPI2_CLK I2C0_SDA UART1_RX GPIO1_D0 23 24 GPIO1_D1 UART1_TX I2C0_SCL SPI2_CSN0 57
GND 25 26 ADC_IN0

26-pin Header 2

GPIO number Func4 Func3 Func2 Func1 Pin# Pin# Func1 Func2 Func3 Func4 GPIO number
GND 27 28 GPIO2_B5 I2S0_8CH_SDI0 PDM_SDI0_M2 77
ADC_KEY_IN1 29 30 GPIO2_B6 I2S0_8CH_SDI1 PDM_SDI1_M2 78
MICBIAS2 31 32 GPIO2_B7 I2S0_8CH_SDI2 PDM_SDI2_M2 79
MICBIAS1 33 34 GPIO2_C0 I2S0_8CH_SDI3 PDM_SDI3_M2 80
MICN8 35 36 MCIP8
MICN7 37 38 MCIP7
109 UART3_TX I2C3_SCL_M1 SPI1_CSN0 GPOI3_B5 39 40 GPOI3_B4 SPI1_MOSI I2C3_SDA_M1 UART3_RX 108
107 SPI1_CLK GPOI3_B3 41 42 GPOI3_B2 SPI1_MISO 106
76 I2S0_8CH_SDO3 GPIO2_B4 43 44 GPIO2_B3 I2S0_8CH_SDO2 75
72 I2S0_8CH_LRCK_RX GPIO2_B0 45 46 GPIO2_A6 I2S0_8CH_SCLK_RX PDM_CLK_S_M2 70
MICN2 47 48 MCIP2
MICN1 49 50 MCIP1
LINEOUT_R 51 52 LINEOUT_L

More details about V13 Headers

  • The difference between V12 and V13 is determined by PIN#13/14/15/16 on 26-pin Header 2.
  • Pins marked with color orange are designed for default debug console.
  • PWM: x2, PWM2/PWM3
  • SPI: x2, SPI1, SPI2
  • I2C: x3, I2C0/I2C1/I2C3
  • UART: x4, UART0/UART1/UART2/UART3
  • ADC: x1, ADC_IN0. The max input voltage is 1.8V.
  • When I2C3 is used, you should only select one of the two groups, PIN#11/13 on 26-pin Header 1 and PIN#13/14 on 26-pin Header 2.

IO Voltage

RK3308 have two IO voltages, 1.8V/3.3V. For ROCK Pi S, the voltage level of GPIOs showed in the tables above are 3.3V and tolerance of those are 3.63V. For hardware V11 and V12, an ADC input is included (ADC_IN0). This ADC has an input voltage range of 0-1.8V.

GPIO number

Rockchip RK3308 GPIO has 5 banks, GPIO0 to GPIO4, each bank has 32pins, naming as below: 

   GPIO0_A0 ~ A7 
   GPIO0_B0 ~ B7
   GPIO0_C0 ~ C7
   GPIO0_D0 ~ D7
   
   GPIO1_A0 ~ A7
   ....
   GPIO1_D0 ~ D7

For Rockchip 4.4 kernel, the GPIO number can be calculated as below, take GPIO4_D3(PIN8 on 26PIN GPIO) as an example: 

   GPIO4_D3 = 32*4 + 8*3 + 3 = 155

To set GPIO4_D3 output 

   cd /sys/class/gpio
   echo 155 > export
   cd gpio155
   echo out > direction
   echo 1 > value     # output high
   echo 0 > value     # output low

Power supply

1.The pins, PIN#2 and PIN#4, can supply power of 5V. The maximum current that can output depends on the power adapter.

2.The pins, PIN#1 and PIN#17, can supply power of 3.3V. The maximum current that can output is 200mA.

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