Rasberi Pi Compute Module 4 Jagorar mai amfani
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© 2022-2025 Rasberi Pi Ltd
This documentation is licensed under a Creative Commons Attribution-NoDerivatives 4.0 International (CC BY-ND)
| Saki | 1 |
| Gina kwanan wata | 22/07/2025 |
| Gina sigar | 0afd6ea17b8b |
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Tarihin sigar daftarin aiki
| Saki | Kwanan wata | Bayani |
| 1 | Mar 2025 | Initial release. This document is heavily based on the ‘Raspberry Pi Compute Module 5 forward guidance’ whitepaper. |
Iyakar daftarin aiki
Wannan takaddar ta shafi samfuran Rasberi Pi masu zuwa:
| Pi 0 | Pi 1 | Pi 2 | Pi 3 | Pi 4 | Pi 400 | Pi 5 | Pi 500 | Saukewa: CM1 | Saukewa: CM3 | Saukewa: CM4 | Saukewa: CM5 | Pico | Pico2 | ||||
| 0 | W | H | A | B | A | B | B | Duka | Duka | Duka | Duka | Duka | Duka | Duka | Duka | Duka | Duka |
Gabatarwa
Rasberi Pi Compute Module 5 yana ci gaba da al'adar Rasberi Pi na ɗaukar sabuwar kwamfutar Rasberi Pi da samar da ƙaramin, samfurin kwatankwacin kayan masarufi wanda ya dace da aikace-aikacen da aka haɗa. Rasberi Pi Compute Module 5 yana da ƙaramin tsari iri ɗaya kamar Rasberi Pi Compute Module 4 amma yana ba da babban aiki da ingantaccen saiti. Akwai, ba shakka, wasu bambance-bambance tsakanin Rasberi Pi Compute Module 4 da Raspberry Pi Compute Module 5, kuma an bayyana waɗannan a cikin wannan takaddar.
NOTE
For the few customers who are unable to use Raspberry Pi Compute Module 5, Raspberry Pi Compute Module 4 will stay in production until at least 2034.
The Raspberry Pi Compute Module 5 datasheet should be read in conjunction with this whitepaper.
https://datasheets.raspberrypi.com/cm5/cm5-datasheet.pdf
Babban fasali
Raspberry Pi Compute Module 5 has the following features:
- Quad-core 64-bit Arm Cortex-A76 (Armv8) SoC clocked @ 2.4GHz
- 2GB, 4GB, 8GB, or 16GB LPDDR4 SDRAM
- On-board eMMC flash memory, OGB (Lite model), 16GB, 32GB, or 64GB options
- 2 x USB 3.0 tashar jiragen ruwa
- 1 Gb Ethernet interface
- 2x 4-lane MIPI ports supporting both DSI and CSI-2
- 2x HDMI ports able to support 4Kp60 simultaneously
- 28x GPIO pins
- On-board test points to simplify production programming
- Internal EEPROM on the bottom to improve security
- On-board RTC (external battery via 100-pin connectors)
- On-board fan controller
- On-board Wi-Fi®/Bluetooth (depending on SKU)
- 1-lane PCIe 2.0′
- Type-C PD PSU support
NOTE
Not all SDRAM/eMMC configurations are available. Please check with our sales team.
In some applications PCIe Gen 3.0 is possible, but this is not officially supported.
Rasberi Pi Compute Module 4 dacewa
For most customers, Raspberry Pi Compute Module 5 will be pin-compatible with Raspberry Pi Compute Module 4.
The following features have been removed/altered between the Raspberry Pi Compute Module 5 and Raspberry Pi Compute Module 4 models:
- Bidiyo mai haɗaka
- The composite output available on Raspberry Pi 5 is NOT routed out on Raspberry Pi Compute Module 5
- 2-lane DSI port
- There are two 4-lane DSI ports available on Raspberry Pi Compute Module 5, muxed with the CSI ports for a total of two
- 2-lane CSI port
- There are two 4-lane CSI ports available on Raspberry Pi Compute Module 5, muxed with the DSI ports for a total of two
- 2x ADC inputs
Ƙwaƙwalwar ajiya
Raspberry Pi Compute Module 4’s maximum memory capacity is 8GB, whereas Raspberry Pi Compute Module 5 is available in a 16GB RAM variant.
Unlike Raspberry Pi Compute Module 4, Raspberry Pi Compute Module 5 is NOT available in a 1GB RAM variant.
Analog audio
Analogue audio can be muxed onto GPIO pins 12 and 13 on Raspberry Pi Compute Module 5, in the same way as on Raspberry Pi Compute Module 4.
Use the following device tree overlay to assign analogue audio to these pins:
Due to an errata on the RP1 chip, GPIO pins 18 and 19, which could be used for analogue audio on Raspberry Pi Compute Module
4, are not connected to the analogue audio hardware on Raspberry Pi Compute Module 5 and cannot be used.
NOTE
The output is a bitstream rather than a genuine analogue signal. Smoothing capacitors and an ampza a buƙaci lifier akan allon IO don fitar da fitarwa matakin-layi.
Canje-canje zuwa taya USB
USB booting from a flash drive is only supported via the USB 3.0 ports on pins 134/136 and 163/165
Raspberry Pi Compute Module 5 does NOT support USB host boot on the USB-C port
Unlike the BCM2711 processor, the BCM2712 does not have an XHCI controller on the USB-C interface, just a DWC2 controller on pins 103/105. Booting using 1800t is done via these pins.
Canja zuwa sake saitin module da yanayin-saukar wuta
1/0 pin 92 is now set to w Button rather than sus PG this means you need to use a PMIC EN to reset the module.
The PRIC ENABLE Signal resets the PMIC, and therefore the SoC. You can view PRIC EN when it’s driven low and released, which is functionally similar to driving tus Po low on Raspberry Pi Compute Module 4 and releasing it.
Raspberry Pi Compute Module 4 has the added benefit of being able to reset peripherals via the nEXTRST signal. Raspberry Pi Compute Module 5 will emulate this functionality on CAM GPIOT.
GLOBAL EN/PHIC EN are wired directly to the PMIC and bypass the OS completely. On Raspberry Pi Compute Module 5, use
GLOBAL EN/PHIC Es to execute a hard (but unsafe) shutdown
If there is a need, when using an existing 10 board, to retain the functionality of toggling I/O pin 92 to start a hard reset, you should intercept the Button at the software level; rather than having it invoke a system shutdown, it can be used to generate a software interrupt and, from there, to trigger a system reset directly (eg. write to S)
Device tree entry handling a power button (arch/arm64/boot/dts/broadcom/bcm2712-rpi-cm5.dtsi).
Code 116 is the standard event code for the kernel’s KEY POWER event, and there is a handler for this in the OS.
Raspberry Pi recommends using kernel watchdogs if you are concerned about the firmware or the OS crashing and leaving the power key unresponsive. ARM watchdog support is already present in Raspberry Pi OS via the device tree, and this can be customised to individual use cases. In addition, a long press/pull on the PIR Button (7 seconds) will cause the PMIC’s built-in handler to shut down the device.
Cikakkun canje-canje
CAM1 and DSI1 signals have become dual-purpose and can be used for either a CSI camera or a DSI display.
The pins previously used for CAMO and DSIO on Raspberry Pi Compute Module 4 now support a USB 3.0 port on Raspberry Pi Compute Module 5.
The original Raspberry Pi Compute Module 4 VBAC COMP pin is now a VBUS-enabled pin for the two USB 3.0 ports, and is active high. Raspberry Pi Compute Module 4 has extra ESD protection on the HDMI, SDA, SCL, HPD, and CEC signals. This is removed from Raspberry Pi Compute Module 5 due to space limitations. If required, ESD protection can be applied to the baseboard, although Raspberry Pi Ltd does not regard it as essential.
|
Pin |
Saukewa: CM4 | Saukewa: CM5 | Sharhi |
| 16 | SYNC_IN | Fan_tacho | Fan tacho input |
| 19 | Ethernet nLED1 | Fan_pwn | Fan PWM output |
| 76 | Ajiye | VBAT | RTC battery. Note: There will be a constant load of a few uA, even if CM5 is powered. |
| 92 | RUN_PG | PWR_Button | Replicates the power button on Raspberry Pi 5. A short press signals that the device should wake up or shut down. A long press forces shutdown. |
| 93 | nRPIBOOT | nRPIBOOT | If the PWR_Button is low, this pin will also be set low for a short time after power-up. |
| 94 | AnalogIP1 | Bayani na CC1 | This pin can connect to the CC1 line of a Type-C USB connector to enable the PMIC to negotiate 5A. |
| 96 | AnalogIP0 | Bayani na CC2 | This pin can connect to the CC2 line of a Type-C USB connector to enable the PMIC to negotiate 5A. |
| 99 | Global_EN | PMIC_ENABLE | No external change. |
| 100 | nEXTRST | CAM_GPIO1 | Pulled up on Raspberry Pi Compute Module 5, but can be forced low to emulate a reset signal. |
| 104 | Ajiye | PCIE_DET_nWAKE | PCIE nWAKE. Pull up to CM5_3v3 with an 8.2K resistor. |
| 106 | Ajiye | PCIE_PWR_EN | Signals whether the PCIe device can be powered up or down. Active high. |
| 111 | VDAC_COMP | VBUS_EN | Output to signal that USB VBUS should be enabled. |
| 128 | CAM0_D0_N | USB3-0-RX_N | May be P/N swapped. |
| 130 | CAM0_D0_P | USB3-0-RX_P | May be P/N swapped. |
| 134 | CAM0_D1_N | Saukewa: USB3-0-DP | USB 2.0 signal. |
| 136 | CAM0_D1_P | Saukewa: USB3-0-DM | USB 2.0 signal. |
| 140 | CAM0_C_N | USB3-0-TX_N | May be P/N swapped. |
| 142 | CAM0_C_P | USB3-0-TX_P | May be P/N swapped. |
| 157 | DSI0_D0_N | USB3-1-RX_N | May be P/N swapped. |
| 159 | DSI0_D0_P | USB3-1-RX_P | May be P/N swapped. |
| 163 | DSI0_D1_N | Saukewa: USB3-1-DP | USB 2.0 signal. |
| 165 | DSI0_D1_P | Saukewa: USB3-1-DM | USB 2.0 signal. |
| 169 | DSI0_C_N | USB3-1-TX_N | May be P/N swapped. |
| 171 | DSI0_C_P | USB3-1-TX_P | May be P/N swapped. |
Baya ga abin da ke sama, siginar PCIe CLK ba a haɗa su da ƙarfi.
PCB
Raspberry Pi Compute Module 5′s PCB is thicker than Raspberry Pi Compute Module 4′s, measuring at 1.24mm+/-10%.
Tsawon waƙa
HDMI0 track lengths have changed. Each P/N pair remains matched, but the skew between pairs is now <1mm for existing motherboards. This is unlikely to make a difference, as the skew between pairs can be in the order of 25 mm.
HDMI1 track lengths have also changed. Each P/N pair remains matched, but the skew between pairs is now <5mm for existing motherboards. This is unlikely to make a difference, as the skew between pairs can be in the order of 25 mm.
Tsawon waƙar Ethernet ya canza. Kowane P/N guda biyu ya kasance daidai, amma skew tsakanin nau'i-nau'i yanzu <4mm don uwayen uwa da ke wanzu. Wannan ba shi yiwuwa ya haifar da bambanci, saboda skew tsakanin nau'i-nau'i na iya zama cikin tsari na 12 mm.
Masu haɗawa
An canza masu haɗin 100-pin biyu zuwa wata alama ta daban. Waɗannan sun dace da masu haɗin da ke akwai amma an gwada su a manyan igiyoyin ruwa. Bangaren mating da ke kan motherboard shine Amphenol P/N 10164227-1001A1RLF
Kasafin wutar lantarki
As Raspberry Pi Compute Module 5 is significantly more powerful than Raspberry Pi Compute Module 4, it will consume more electrical power. Power supply designs should budget for SV up to 2.5A. If this creates an issue with an existing motherboard design, it is possible to reduce the CPU clock rate to lower the peak power consumption.
The firmware monitors the current limit for USB, which effectively means that usb mas surrant, enable is always 1 on CM5, the 10 board design should take the total USB current required into consideration.
The firmware will report the detected power supply capabilities (if possible) via device-tree. On a running system, see /proc/device tree/chosen/poser/Wadannan files ana adana su azaman 32-bit big-endian binary data.
Software canje-canje/bukatun
Daga wurin software na view, Canje-canje a cikin kayan aiki tsakanin Rasberi Pi Compute Module 4 da Raspberry Pi Compute Module 5 an ɓoye su daga mai amfani ta sabon bishiyar na'ura. files, wanda ke nufin yawancin software da ke manne da daidaitattun APIs na Linux za su yi aiki ba tare da canji ba. Itacen na'urar files tabbatar da cewa an ɗora madaidaitan direbobi don kayan aikin a lokacin taya.
Itacen na'ura fileAna iya samun s a cikin bishiyar kwaya ta Rasberi Pi Linux. Domin misaliampda:
https://github.com/raspberrypi/linux/blob/rpi-612.y/arch/arm64/boot/dis/broadcom/bom2712-pi-om5.dtsi.
An shawarci masu amfani da ke ƙaura zuwa Rasberi Pi Compute Module 5 da su yi amfani da nau'ikan software da aka nuna a teburin da ke ƙasa, ko kuma sabo. Duk da yake babu buƙatu don amfani da Rasberi Pi OS, tunani ne mai amfani, don haka haɗa shi a cikin tebur.
| Software | Sigar | Kwanan wata | Bayanan kula |
| Raspberry Pi OS | Bookworm (12) | ||
| Firmware | From 10 Mar 2025 | Duba https://pip.raspberrypi.com/categories/685-app-notes-guides- whitepapers/documents/RP-003476-WP/Updating-Pi-firmware.pdf for details on upgrading firmware on an existing image. Note that Raspberry Pi Compute Module 5 devices come pre-programmed with appropriate firmware | |
| Kwaya | 6.12x | Daga 2025 | This is the kernel used in Raspberry Pi OS |
Moving to standard Linux APIs/libraries from proprietary drivers/
firmware
Duk canje-canjen da aka jera a ƙasa sun kasance wani ɓangare na sauyawa daga Rasberi Pi OS Bullseye zuwa Rasberi Pi OS Bookworm a cikin Oktoba 2023. Yayin da Rasberi Pi Compute Module 4 ya sami damar amfani da tsoffin APIs da aka yanke (kamar yadda firmware ɗin da ake buƙata ya kasance har yanzu), wannan ba haka bane akan Rasberi Pi Compute Module 5.
Rasberi Pi Compute Module 5, kamar Rasberi Pi 5, yanzu ya dogara da tarin nunin DRM (Direct Rendering Manager), maimakon tarin gadon da ake kira DispmanX. BABU tallafin firmware akan Rasberi Pi Compute Module 5 don DispmanX, don haka matsawa zuwa DRM yana da mahimmanci.
A similar requirement applies to cameras, Raspberry Pi Compute Module 5 only supports the libcamera library’s API, so older applications that use the legacy firmware MMAL APIs, such as raspi-still and rasps-vid, no longer function.
Aikace-aikacen da ke amfani da OpenMAX API (kyamara, codecs) ba za su ƙara yin aiki akan Rasberi Pi Compute Module 5 ba, don haka ana buƙatar sake rubutawa don amfani da V4L2. ExampAna iya samun wannan a cikin ma'ajiyar kayan aikin libcamera-apps GitHub, inda ake amfani da ita don samun damar kayan aikin encoder H264.
OMXPlayer is no longer supported, as it also uses the MMAL API for video playback, you should use the VLC application. There is no command-line compatibility between these applications: see the VLC documentation for details on usage.
Raspberry Pi previously published a whitepaper that discusses these changes in more detail: https://pip.raspberrypi.com/categories/685-app-notes-guides-whitepapers/documents/RP-006519-WP/Transitioning-from-Buliseye-to-Bookworm.pdf.
Ƙarin bayani
While not strictly related to the transition from Raspberry Pi Compute Module 4 to Raspberry Pi Compute Module 5, Raspberry Pi Ltd has released a new version of the Raspberry Pi Compute Module provisioning software and also has two distro generation tools that users of Raspberry Pi Compute Module 5 may find useful.
rpi-sb-provisioner is a minimal-input, automatic secure boot provisioning system for Raspberry Pi devices. It is entirely free to download and use, and can be found on our GitHub page here: https://github.com/raspberrypi/rpi-sb-provisioner.
pi-gen is the tool used to create the official Raspberry Pi OS images, but it is also available for third parties to use to create their own distributions. This is the recommended approach for Raspberry Pi Compute Module applications that require customers to build a custom Raspberry Pi OS-based operating system for their specific use case. This is also free to download and use, and can be found here: https://github.com/RPi-Distro/pi-gen. The pi-gen tool integrates well with rpi-sb-provisioner to provide an end-to-end process for generating secure boot OS images and implementing them on Raspberry Pi Compute Module 5.
rpi-image-gen is a new image creation tool (https://github.com/raspberrypi/rpi-image-gen) that may be more appropriate for more lightweight customer distributions
For bring-up and testing and where there is no requirement for the full provisioning system rpiboot is still available on Raspberry Pi Compute Module 5. Raspberry Pi Ltd recommends using a host Raspberry Pi SBC running the latest version of Raspberry Pi OS and the latest rathoot from https://github.com/raspberrypi/usbboot. You must use the ‘Mass Storage Gadget option when running rpiboot, as the previous firmware-based option is no longer supported.
Bayanan Tuntuɓi don ƙarin bayani
Da fatan za a tuntuɓi
applications@iraspberrypi.com
if you have any queries about this whitepaper.
Web: www.raspberrypi.com
Takardu / Albarkatu
 |
Rasberi Pi Compute Module 4 [pdf] Jagorar mai amfani Lissafin Module 4, Module 4 |