Rock3/CM3/e23/GPIO - Revision history

Nascs: /* General purpose input-output (GPIO) connector */

2022-11-02T03:43:18Z

‎General purpose input-output (GPIO) connector

Hong at 06:34, 27 January 2022

2022-01-27T06:34:54Z

Stephen at 06:21, 27 January 2022

2022-01-27T06:21:04Z

Hong at 02:58, 27 January 2022

2022-01-27T02:58:47Z

Hong at 02:40, 27 January 2022

2022-01-27T02:40:56Z

Show changes

Hong at 08:22, 20 January 2022

2022-01-20T08:22:32Z

Show changes

Hipboi: Created page with "{{rock3_header}} {{Languages|rock3/cm3/e23/GPIO}} ROCK 3 > ROCK 3 Compute Module > Radxa E23 > rock3/CM3/radxae23/G..."

2022-01-15T08:52:44Z

Created page with "{{rock3_header}} {{Languages|rock3/cm3/e23/GPIO}} ROCK 3 > ROCK 3 Compute Module > Radxa E23 > rock3/CM3/radxae23/G..."

New page

{{rock3_header}}
{{Languages|rock3/cm3/e23/GPIO}}

[[rock3 | ROCK 3]] > [[rock3/CM3 | ROCK 3 Compute Module]] > [[rock3/CM3/radxae23 | Radxa E23]] > [[rock3/CM3/radxae23/GPIO | GPIO]]

Radxa E23 has one 40-pin expansion header.

===== More details about 40-pin Header =====

* PWM:
* SPI:
* I2C:
* UART:
* ADC:
* USB

← Older revision		Revision as of 03:43, 2 November 2022
Line 350:		Line 350:
	echo 1 > value # output high		echo 1 > value # output high
	echo 0 > value # output low		echo 0 > value # output low
		+
		+	=== NOTE ===
		+	GPIO0_D5 GPIO0_D6 GPIO2_C2 pin voltage is 1.8V

@@ Line 6: / Line 6: @@
 == <span id="gpio">General purpose input-output (GPIO) connector</span> ==
-ROCK E23 has a 40-pin expansion header. Each pin is distinguished by color.
+Radxa E23 has a 40-pin expansion header. Each pin is distinguished by color.
 <div class="col-md-12 ">
@@ Line 326: / Line 326: @@
 === GPIO number ===
-Rockchip RK3568 GPIO has 5 banks, GPIO0 to GPIO4, each bank has 32pins, naming as below:
+Rockchip RK3566 GPIO has 5 banks, GPIO0 to GPIO4, each bank has 32pins, naming as below:
   GPIO0_A0 ~ A7
@@ Line 337: / Line 337: @@
   GPIO1_D0 ~ D7
-For Rockchip 4.19 kernel, the GPIO number can be calculated as below, take GPIO4_D1 (PIN26 on 4-0PIN HEADER) as an example:
+For Rockchip 4.19 kernel, the GPIO number can be calculated as below, take GPIO4_A7 (PIN26 on 40-PIN HEADER) as an example:
-  GPIO4_D1 = 4*32 + 3*8 + 1 = 153
+  GPIO4_A7 = 4*32 + 0*8 + 7 = 135
   (A=0, B=1, C=2, D=3)
-To set GPIO4_D1 output
+To set GPIO4_A7 output
   cd /sys/class/gpio
-  echo 153 > export
+  echo 135 > export
-  cd gpio153
+  cd gpio135
   echo out > direction
   echo 1 > value     # output high
   echo 0 > value     # output low

@@ Line 2: / Line 2: @@
 {{Languages|rock3/cm3/e23/GPIO}}
-     [[rock3 | ROCK 3]] > [[rock3/CM3 | ROCK 3 Compute Module]] > [[rock3/CM3/radxae23 | Radxa E23]] > [[rock3/CM3/radxae23/GPIO | GPIO]]
+     [[rock3 | ROCK 3]] > [[rock3/CM3 | ROCK 3 Compute Module]] > [[rock3/CM3/e23 | Radxa E23]] > [[rock3/CM3/e23/GPIO | GPIO]]
 == <span id="gpio">General purpose input-output (GPIO) connector</span> ==

@@ Line 4: / Line 4: @@
      [[rock3 | ROCK 3]] > [[rock3/CM3 | ROCK 3 Compute Module]] > [[rock3/CM3/radxae23 | Radxa E23]] > [[rock3/CM3/radxae23/GPIO | GPIO]]
-Radxa E23 has one 40-pin expansion header.
+== <span id="gpio">General purpose input-output (GPIO) connector</span> ==
-{{rock e23_header}}
+ROCK E23 has a 40-pin expansion header. Each pin is distinguished by color.
-{{Languages|rock e23/hardware/gpio}}
 <div class="col-md-12 ">
      <div class="panel panel-midnight-white">
@@ Line 305: / Line 303: @@
+|
 | style="background-color:#008000; color:#FFF;" | 40
 | I2C1_SCL
+|
+|
@@ Line 318: / Line 316: @@
 <div class="clearfix"></div>
-#### More details about 40-pin Header In V1.0
+==== More details about 40-pin Header In V1.0 ====
-−
- Pins marked with color orange are designed for debug console.
-−
- PWM; x7;PWM0/PWM1/PWM2/PWM4/PWM5/PWM6/PWM7/
-−
- SPI:SPI0/SPI1/SPI3/
-−
- I2C: I2C1/I2C2/I2C3/I2C4/I2C5
- UART: UART0/UART2/UART3/UART5/UART8
+* Pins marked with color orange are designed for debug console.
 === GPIO number ===