Links

Documentation for the Raspberry Pi

Raspberry Pi on elinux.org

https://elinux.org/RPi_Hub

Peripheral documentation

https://www.raspberrypi.org/documentation/hardware/raspberrypi/README.md

Raspberry Pi 1 Models A, A+, B, B+, Raspberry Pi Zero, Raspberry Pi Zero W, and Raspberry Pi Compute Module 1

BCM2835 ARM Peripherals: https://datasheets.raspberrypi.com/bcm2835/bcm2835-peripherals.pdf¹
VideoCore® IV 3D, Architecture Reference Guide: https://docs.broadcom.com/docs/12358545¹
ARM1176JZF-S: https://developer.arm.com/documentation/ddi0301¹

Raspberry Pi 2 Model B

BCM2836 ARM Peripherals: https://datasheets.raspberrypi.com/bcm2836/bcm2836-peripherals.pdf¹
Cortex-A7 MPcore Processor Reference Manual: http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ddi0464f/index.html¹

Raspberry Pi 3 Model B, later Raspberry Pi 2 Model B and Raspberry Pi Compute Module 3

The BCM2837 is identical to the BCM2836.¹

BCM2836 ARM Peripherals: https://datasheets.raspberrypi.com/bcm2836/bcm2836-peripherals.pdf¹
Arm Cortex-A53: https://developer.arm.com/documentation/ddi0500/latest/¹

Raspberry Pi 3 Models A+, B+ and Raspberry Pi Compute Module 3+

The BCM2837B0 is identical to the BCM2837, with changes to the internal frequencies.¹

BCM2836 ARM Peripherals: https://datasheets.raspberrypi.com/bcm2836/bcm2836-peripherals.pdf¹
Arm Cortex-A53: https://developer.arm.com/documentation/ddi0500/latest/¹

Raspberry Pi 4 Model B, the Raspberry Pi 400, and the Raspberry Pi Compute Module 4

BCM2711 ARM Peripherals: https://datasheets.raspberrypi.com/bcm2711/bcm2711-peripherals.pdf¹
Arm Cortex-A72: https://developer.arm.com/Processors/Cortex-A72

Raspberry Pi 5

rp1-peripherals: https://datasheets.raspberrypi.com/rp1/rp1-peripherals.pdf

¹ Information from: https://www.raspberrypi.org/documentation/hardware/raspberrypi/README.md

Forum

Raspberry Pi Forum: https://www.raspberrypi.org/forums/

Bare Metal Projekte

Name	RPI	Programming language	Content	Link	Current
Writing a "bare metal" operating system for Raspberry Pi 4	Pi4	C (ARMv8)	UART, Grafik, Bluetooth, Sound, Multicore, Interrupts, SPI Ethernet, TCPIP Webserver	https://www.rpi4os.com/ or https://github.com/isometimes/rpi4-osdev	Current
Bare Metal Programming on Raspberry Pi 3	Pi3	C (ARMv8)	Multicore, UART1, Mailbox, UART0, Zufallszahlen, Timer, PowerOff, Grafik, Diskfunktionen, Memory	https://github.com/bztsrc/raspi3-tutorial	approx. 3 years
Circle	Pi0-5	C++	Multicore, Interrupt (IRQ, FIQ), UART, GPIO, Timer, DMA, PWM, HDMI-Ton, WLAN, Ethernet, USB (HUB, HID, Speichergeräte, MIDI, Drucker), FAT, FatFs, Grafik	https://github.com/rsta2/circle	2 months
Ultibo	Pi0-4	Free Pascal	Multicore, Interrupt (IRQ, FIQ), UART, GPIO, Timer, DMA, PWM, HDMI-Ton, WLAN, Ethernet, USB (HUB, HID, Speichergeräte, MIDI, Drucker), FAT, FatFs, Grafik	https://ultibo.org/	approx. 1 month
Raspberry-Pi Bare Metal Tutorial	Pi0-4	C	C Runtime, Interrupts, UART, Mailbox, Grafik	https://www.valvers.com/open-software/raspberry-pi/bare-metal-programming-in-c-part-1/	approx. 6 years
USPi - A bare metal USB driver for Raspberry Pi 1-3 written in C	Pi0-3	C	Circle in C	https://github.com/rsta2/uspi	approx. 3 years
dwelch67	Pi0-3	C	Float, Bootloader, MMU, SPI, UART, VIDEO, ZLIB	https://github.com/dwelch67/raspberrypi	approx. 9 years
...	Pi1	Assembler		https://www.cl.cam.ac.uk/projects/raspberrypi/tutorials/os/index.html	approx. 14 years
Learning operating system development using Linux kernel and Raspberry Pi	Pi3	C	Printf, Interrupt, Memory Vergleicht Bare Metal und Linux	https://github.com/s-matyukevich/raspberry-pi-os	6 years
PeterLemon RaspberryPi	Pi1-3	Assembler		https://github.com/PeterLemon/RaspberryPi	5 years
pi-baremetal	Pi1	C		https://github.com/brianwiddas/pi-baremetal	14 years
Raspberry Pi Bare Bones	Pi1-4	C	QEMU	http://wiki.osdev.org/Raspberry_Pi_Bare_Bones	Current
circle-stdlib	Pi1-4	C++	Circle StdLib	https://github.com/smuehlst/circle-stdlib	2 months
sean-lawless / computersystems	Pi1-4	C		https://github.com/sean-lawless/computersystems/tree/master	Current
macoy rpi-system	Pi4	C	Circle in C (nur RPI4)	https://macoy.me/code/macoy/rpi-system	1 year

As of July 2026

Useful links

Name	Contents	Link
Introduction to Computer Organization: ARM Assembly Language Using the Raspberry Pi	ARM-Assembler	https://bob.cs.sonoma.edu/IntroCompOrg-RPi/intro-co-rpi.html
Arm GNU Toolchain Downloads	Toolchain	https://developer.arm.com/downloads/-/arm-gnu-toolchain-downloads
ARM assembler in Raspberry Pi	ARM-Assembler	https://thinkingeek.com/arm-assembler-raspberry-pi/
A Guide to ARM64 / AArch64 Assembly on Linux with Shellcodes and Cryptography	ARM-Assembler	https://modexp.wordpress.com/2018/10/30/arm64-assembly/
Découvrir l'assembleur ARM sur Raspberry Pi	ARM-Assembler	https://assembleurarmpi.blogspot.com/ or https://github.com/vincentARM/ARMassembly64
ARMv8 A64 Quick Reference	ARM-Assembler	https://courses.cs.washington.edu/courses/cse469/18wi/Materials/arm64.pdf
ARMv8 Instruction Set Overview	ARM-Assembler	https://www.cs.princeton.edu/courses/archive/fall23/cos217/reading/ArmInstructionSetOverview.pdf
A64 Systemaufrufe	ARM-Assembler	https://arm64.syscall.sh/
		https://s-matyukevich.github.io/raspberry-pi-os/

Other, unassigned

Raspberry Pi DMA programming in C https://iosoft.blog/2020/05/25/raspberry-pi-dma-programming/

Mailbox property interface https://github.com/raspberrypi/firmware/wiki/Mailbox-property-interface