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Difference between revisions of "Rock3/CM3/raspcm4io"

< Rock3‎ | CM3
 
(8 intermediate revisions by 3 users not shown)
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     [[rock3 | ROCK 3]] > [[rock3/CM3 | Compute Module 3]] > [[Rock3/CM3/raspcm4io | Raspberry Pi CM4 IO Board]]
 
     [[rock3 | ROCK 3]] > [[rock3/CM3 | Compute Module 3]] > [[Rock3/CM3/raspcm4io | Raspberry Pi CM4 IO Board]]
  
== Getting Started ==
+
__NOTOC__
=== What you need ===
+
  
==== Necessary ====
+
Radxa CM3 + Raspberry Pi CM4 IO Board is an application board for the [[rock3/CM3 | ROCK3 Compute Module(CM3)]] with rich IO features.
* CM4 IO  main board
+
* CM4 IO top board
+
  
* One of the Storage media below:
+
<div class="thumbnail ">[[File:Cm3_rpicm4_io_board.png | right]]</div>
** microSD, larger than 8GB.
+
  
* Power supply
+
== Features ==
** The CM4 is powered by DC port and has a wide range of input voltage,  12V.
+
  
* USB Keyboard and Mouse
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== Getting Started ==
** With four USB-A connectors, CM4 IO can be equipped with a full sized keyboard and mouse.
+
  
* Monitor and HDMI Cable
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* [[Rock3/CM3/raspcm4io/getting_started | Getting started with Radxa CM3 + Raspberry Pi Compute Module 4 IO Board ]]
** CM4 IO  is equipped with a full sized HDMI connector. HDMI capable monitor is recommended.
+
** HDMI EDID display data is used to determine the best display resolution. On monitors and TVs that support 1080p (or 4K) this resolution will be selected. If 1080p is not supported the next available resolution reported by EDID will be used. This selected mode will work with MOST but not all monitors/TVs.
+
 
+
*Micro USB
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**If you want write image on CM4 IO  from USB port , commands you need an USB Male A to Micro USB cable to connect CM4 IO  and PC.
+
 
+
=== Optional ===
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* microSD Card Reader
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** For flashing the image into microSD Card
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* USB type A to type Micro USB
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** Write image on CM4 IO  from USB port
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*  USB to TTL serial cable
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** This is needed for serial console.
+
 
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*  Ethernet cable
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** CM4 IO  supports Internet access via WIFI or Ethernet.
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** An Ethernet cable is used to connect your CM4 IO  to a local network and  the Interne
+
 
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* Audio cable
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** Audio can be played through speaker or headphones using a standard 3.5mm jack.
+
 
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* [[rock3/hardware/wifi | WiFi/BT Cards]]
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+
 
+
 
+
 
+
== Status ==
+
  
 
== Resource ==
 
== Resource ==
  
====<span id="gpio">General purpose input-output (GPIO) connector</span> ====
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* [[Rock3/CM3/raspcm4io/gpio | Raspberry Pi CM4 IO Board GPIO]]
 
+
CM4 IO has a 40-pin expansion header. Each pin is distinguished by color.
+
 
+
{| class="wikitable" style="vertical-align:middle;"
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|- style="font-weight:bold; text-align:center;"
+
! GPIO number
+
! Function4
+
! Function3
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! Function2
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! Function1
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! Pin#
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!
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! Pin#
+
! Function1
+
! Function2
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! Function3
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! Function4
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! GPIO number
+
|-
+
|
+
|
+
|
+
|
+
| +3.3V
+
| style="background-color:#FF0;" | 1
+
|
+
| style="background-color:#F00;" | 2
+
| +5.0V
+
|
+
|
+
|
+
|
+
|-
+
| 14
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| SPI0_MOSI_M0
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| I2C2_SDA_M0
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| PWM2_M1
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| GPIO0_B6
+
| style="background-color:#008000; color:#FFF;" | 3
+
|
+
| style="background-color:#F00;" | 4
+
| +5.0V
+
|
+
|
+
|
+
|
+
|-
+
| 13
+
| SPI0_CLK_M0
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| I2C2_SCL_M0
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| PWM1_M1
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| GPIO0_B5
+
| style="background-color:#008000; color:#FFF;" | 5
+
|
+
| style="background-color:#000; color:#FFF" | 6
+
| GND
+
|
+
|
+
|
+
|
+
|-
+
| 125
+
|
+
| I2S1_SDI3_M1
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| SDMMC2_PWREN_M0
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| GPIO3_D5
+
| style="background-color:#008000; color:#FFF;" | 7
+
|
+
| style="background-color:#008000; color:#FFF;" | 8
+
| GPIO0_D1
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| style="background-color:#FFA500;" | UART2_TX_M0
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|
+
|
+
| 25
+
|-
+
|
+
|
+
|
+
|
+
| GND
+
| style="background-color:#000; color:#FFF" | 9
+
|
+
| style="background-color:#008000; color:#FFF;" | 10
+
| GPIO0_D0
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| style="background-color:#FFA500;" | UART2_RX_M0
+
|
+
|
+
| 24
+
|-
+
| 23
+
|
+
| UART0_CTSn
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| PWM0_M1
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| GPIO0_C7
+
| style="background-color:#008000; color:#FFF;" | 11
+
|
+
| style="background-color:#008000; color:#FFF;" | 12
+
| GPIO3_C7
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| I2S1_SCLK_TX_M1
+
|
+
|
+
| 119
+
|-
+
| 15
+
|
+
|
+
| PWM0_M0
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| GPIO0_B7
+
| style="background-color:#008000; color:#FFF;" | 13
+
|
+
| style="background-color:#000; color:#FFF" | 14
+
| GND
+
|
+
|
+
|
+
|
+
|-
+
| 19
+
|
+
| PWM4
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| VOP_PWM_M0
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| GPIO0_C3
+
| style="background-color:#008000; color:#FFF;" | 15
+
|
+
| style="background-color:#008000; color:#FFF;" | 16
+
| GPIO3_D4
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| I2S1_SDI2_M1
+
|
+
|
+
| 124
+
|-
+
|
+
|
+
|
+
|
+
| +3.3V
+
| style="background-color:#FF0;" | 17
+
|
+
| style="background-color:#008000; color:#FFF;" | 18
+
| GPIO3_D3
+
| I2S1_SDI1_M1
+
|
+
|
+
| 123
+
|-
+
| 138
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| I2S2_SDI_M1
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| SPI3_MOSI_M0
+
| I2C4_SDA_M0
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| GPIO4_B2
+
| style="background-color:#008000; color:#FFF;" | 19
+
|
+
| style="background-color:#000; color:#FFF" | 20
+
| GND
+
|
+
|
+
|
+
|
+
|-
+
| 136
+
|
+
| SPI3_MISO_M0
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| I2S1_SDO1_M1
+
| GPIO4_B0
+
| style="background-color:#008000; color:#FFF;" | 21
+
|
+
| style="background-color:#008000; color:#FFF;" | 22
+
| GPIO3_C6
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| I2S1_MCLK_M1
+
|
+
|
+
| 118
+
|-
+
| 139
+
| I2S2_SDO_M1
+
| SPI3_CLK_M0
+
| I2C4_SCL_M0
+
| GPIO4_B3
+
| style="background-color:#008000; color:#FFF;" | 23
+
|
+
| style="background-color:#008000; color:#FFF;" | 24
+
| GPIO4_A6
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| I2S1_SCLK_RX_M1
+
| SPI3_CS0_M0
+
|
+
| 134
+
|-
+
|
+
|
+
|
+
|
+
| GND
+
| style="background-color:#000; color:#FFF" | 25
+
|
+
| style="background-color:#008000; color:#FFF;" | 26
+
| SARADC_IN3
+
|
+
|
+
|
+
|
+
|-
+
| 140
+
|
+
|
+
| I2C2_SDA_M1
+
| GPIO4_B4
+
| style="background-color:#00F; color:#FFF;" | 27
+
|
+
| style="background-color:#00F; color:#FFF;" | 28
+
| GPIO4_B5
+
| I2S1_SDO3_M1
+
| I2C2_SCL_M1
+
|
+
| 141
+
|-
+
| 137
+
|
+
| I2S1_SDO2_M1
+
| ISP_PRELIGHT_TRIG
+
| GPIO4_B1
+
| style="background-color:#008000; color:#FFF;" | 29
+
|
+
| style="background-color:#000; color:#FFF" | 30
+
| GND
+
|
+
|
+
|
+
|
+
|-
+
| 21
+
|
+
| SPI0_MISO_M0
+
| PWM6
+
| GPIO0_C5
+
| style="background-color:#008000; color:#FFF;" | 31
+
|
+
| style="background-color:#008000; color:#FFF;" | 32
+
| GPIO4_C0
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| PWM11_IR_M1
+
|
+
|
+
| 144
+
|-
+
| 22
+
|
+
| SPI0_CS0_M0
+
| PWM7_IR
+
| GPIO0_C6
+
| style="background-color:#008000; color:#FFF;" | 33
+
|
+
| style="background-color:#000; color:#FFF" | 34
+
| GND
+
|
+
|
+
|
+
|
+
|-
+
| 120
+
|
+
|
+
| I2S1_LRCK_TX_M1
+
| GPIO3_D0
+
| style="background-color:#008000; color:#FFF;" | 35
+
|
+
| style="background-color:#008000; color:#FFF;" | 36
+
| GPIO4_A7
+
| I2S1_LRCK_RX_M1
+
| SPI3_CS1_M0
+
|
+
| 135
+
|-
+
| 18
+
|
+
|
+
| PWM3_IR
+
| GPIO0_C2
+
| style="background-color:#008000; color:#FFF;" | 37
+
|
+
| style="background-color:#008000; color:#FFF;" | 38
+
| GPIO3_D2
+
| I2S1_SDI0_M1
+
|
+
|
+
| 122
+
|-
+
|
+
|
+
|
+
|
+
| GND
+
| style="background-color:#000; color:#FFF" | 39
+
|
+
| style="background-color:#008000; color:#FFF;" | 40
+
| GPIO3_D1
+
| I2S1_SDO0_M1
+
|
+
|
+
| 121
+
|}
+
 
+
==== More details about 40-pin Header ====
+
 
+
* Pins marked with color orange are designed for debug console.
+
* PWM:x7,PWM0/PWM1/PWM2/PWM3/PWM6/PWM7/PWM11
+
* SPI:X2,SPI0/SPI3
+
* I2C:X2,I2C2/I2C4
+
* UART:X2,UART0/UART2
+
* ADC:X1, SARADC_IN3
+
* I2S:X2, I2S1/I2S2
+
 
+
=== IO Voltage ===
+
 
+
RK3566 have three IO voltages, 1.8V/3.3V. For CM4 IO, the high level voltage of GPIO pin on 40-PIN HEADER is 3.3V.
+
 
+
<pre>
+
| GPIO      | Voltage Level | Tolerance |
+
| ---------- | ------------- | --------- |
+
| SARADC_IN3    | 1.8V          | 1.98V    |
+
</pre>
+
 
+
=== GPIO number ===
+
 
+
Rockchip RK3566 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
+
 
+
The GPIO number can be calculated as below, take GPIO4_D1 (PIN26 on 4-0PIN HEADER) as an example:
+
 
+
GPIO4_D1 = 4*32 + 3*8 + 1 = 153
+
(A=0, B=1, C=2, D=3)
+
 
+
To set GPIO4_D1 output
+
 
+
cd /sys/class/gpio
+
echo 153 > export
+
cd gpio153
+
echo out > direction
+
echo 1 > value    # output high
+
echo 0 > value    # output low
+

Latest revision as of 13:10, 12 February 2022

    ROCK 3 >  Compute Module 3 >  Raspberry Pi CM4 IO Board


Radxa CM3 + Raspberry Pi CM4 IO Board is an application board for the ROCK3 Compute Module(CM3) with rich IO features.

Cm3 rpicm4 io board.png

Features

Getting Started

Resource