Awesome CPU and MCU documentation

This repository contains documentation for various CPUs. There are data sheets, programmer's manuals, quick reference cards, etc.

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Name	Name	Last commit message	Last commit date
Latest commit cheznewa and larsbrinkhoff Add LoongArch Feb 8, 2026 fbd3742 · Feb 8, 2026 History 90 Commits
386Intel	386Intel	Docs for Intel 80386 CPU	Jun 13, 2016
8080	8080	Intel 8080 Programmers Manual.	Jan 12, 2017
8085	8085	Calmos CA80C85B datasheet.	Jan 12, 2017
88000 @ 46e7b74	88000 @ 46e7b74	Add 88000 docs and more DEC Alpha docs, etc.	May 20, 2016
ARCompact	ARCompact	Added more docs	May 20, 2016
ARM	ARM	Add ARMv6-M and ARMv8-M.	Sep 27, 2017
AVR	AVR	Atmel AVR 8-bit instruction set manual	May 20, 2016
AVR32	AVR32	Amtel AVR32 architecture document.	May 20, 2016
Alpha	Alpha	Add 88000 docs and more DEC Alpha docs, etc.	May 20, 2016
B5000 @ a4e2fe1	B5000 @ a4e2fe1	Burroughs B5000 series.	May 20, 2016
CDP1802	CDP1802	RCA CDP1802.	May 10, 2017
CP1610	CP1610	Added General Instrument CP1610 docs	Mar 30, 2017
CRIS	CRIS	Upload my old stash.	May 3, 2016
CRISP	CRISP	Added documentation on the ATT Hobbit (Crisp)'s Instruction Set.	Mar 10, 2017
DSP56000	DSP56000	Upload my old stash.	May 3, 2016
ESA390	ESA390	Upload my old stash.	May 3, 2016
F18A	F18A	GreenArrays F18A technology reference.	May 20, 2016
H8	H8	Upload my old stash.	May 3, 2016
HD6301	HD6301	Hitachi HD6301 data sheet.	Apr 12, 2016
IA-64	IA-64	Uncompress files.	May 20, 2016
KDF9	KDF9	added English Electric KDF9	May 20, 2016
M6800	M6800	The M6800 Microcomputer System was Motorola's first microcomputer family	Jun 11, 2020
M68000	M68000	Contributing 68000, VAX, Z80, SH4, PDP-11, NS32000 docs plus various …	May 20, 2016
M8C	M8C	Cypress PSoC M8C	Feb 22, 2018
MARC4	MARC4	added MARC4	May 20, 2016
MAXQ	MAXQ	Maxim Integrated MAXQ Family User's Guide.	Sep 14, 2017
MC6809	MC6809	Add MC6809 README.md and add datasheet files (#46 )	Dec 14, 2021
MC68HC11	MC68HC11	MC68HC11F1 and A8 datasheets	Nov 4, 2022
MC9S12XE	MC9S12XE	S12XE Datasheet	Nov 4, 2022
MCS-48	MCS-48	Grokking the MCS-48 System.	Sep 3, 2016
MCS-51	MCS-51	Intel MCS 51 microcontroller family user's manual	May 20, 2016
MCS-96	MCS-96	MCS-96 docs added, fixes #36	Jun 14, 2021
MCS6500	MCS6500	Updates for WDC 65C02 and 65C816.	Nov 17, 2021
MIPS	MIPS	Uncompress files.	May 20, 2016
MN103	MN103	Panasonic MN103	May 20, 2016
MSP430	MSP430	Texas Instruments MSP430 Quick Reference.	Apr 12, 2016
MicroBlaze	MicroBlaze	Xilinx MicroBlaze processor reference guide.	May 20, 2016
NS32000	NS32000	Contributing 68000, VAX, Z80, SH4, PDP-11, NS32000 docs plus various …	May 20, 2016
OpenRISC	OpenRISC	OpenRISC architecture manual v1.1.	May 20, 2016
PA-RISC	PA-RISC	HP's PA-RISC architecture	Oct 27, 2020
PDP-1	PDP-1	DEC PDP-1 documents.	Apr 12, 2016
PDP-10 @ b5f90e7	PDP-10 @ b5f90e7	Upload my old stash.	May 3, 2016
PDP-11	PDP-11	Contributing 68000, VAX, Z80, SH4, PDP-11, NS32000 docs plus various …	May 20, 2016
PDP-4∕7∕9∕15	PDP-4∕7∕9∕15	DEC PDP-15 Systems Reference Manual	Jan 12, 2017
PDP-8 @ 4c54810	PDP-8 @ 4c54810	Add MP12 reference manual.	Sep 8, 2017
PIC @ 16ade3a	PIC @ 16ade3a	PICmicro PIC family.	May 20, 2016
PSC1000	PSC1000	added PSC1000 Stack CPU	May 20, 2016
PowerPC	PowerPC	Added more docs	May 20, 2016
Propeller	Propeller	Parallax Propeller P8X32A data sheet.	Jun 1, 2016
RISC-V	RISC-V	Update RISC-V specfication to version 2.2.	May 10, 2017
RS08	RS08	Added more docs	May 20, 2016
RTX2000	RTX2000	Harris RTX2010RH data sheet.	May 20, 2016
SPARC	SPARC	Convert Postscript Files to PDF	May 20, 2016
STM8	STM8	STM8 Programming Manual	May 10, 2017
SuperH	SuperH	Contributing 68000, VAX, Z80, SH4, PDP-11, NS32000 docs plus various …	May 20, 2016
TMS320C3x	TMS320C3x	Texas Instrument TMS320C3x DSP	May 20, 2016
VAX	VAX	Contributing 68000, VAX, Z80, SH4, PDP-11, NS32000 docs plus various …	May 20, 2016
VE850	VE850	NEC/renesas VE850	May 20, 2016
Xtensa	Xtensa	Added Xtensa LX7 Data Book	Dec 5, 2021
Z320	Z320	Z80000/Z320 preliminary reference manual	Jan 20, 2018
Z80	Z80	Contributing 68000, VAX, Z80, SH4, PDP-11, NS32000 docs plus various …	May 20, 2016
Z80000	Z80000	Z80000/Z320 preliminary reference manual	Jan 20, 2018
i860 @ fdf7c4a	i860 @ fdf7c4a	Intel i860 microprocessor family programmer's reference manual.	May 20, 2016
i960	i960	Add more i960 docs for MC, KB, and MX targets	Sep 7, 2018
loongarch	loongarch	Add LoongArch	Feb 8, 2026
x86-64	x86-64	AMD x86-64 architecture programmer's manual	May 20, 2016
zArchitecture	zArchitecture	Upload my old stash.	May 3, 2016
.gitmodules	.gitmodules	DEC PDP-8 family, including Intersil and Harris clones.	May 20, 2016
.travis.yml	.travis.yml	Add a few automated tests.	May 20, 2016
CONTRIBUTING.md	CONTRIBUTING.md	GitHub likes the contribution guidelines file name in uppercase.	May 20, 2016
LICENSE	LICENSE	Creative Commons CC0 (public domain).	Oct 25, 2016
README.md	README.md	MCS-96 docs added, fixes #36	Jun 14, 2021
tests.sh	tests.sh	Add a test to check for README.md, but don't run it.	Oct 25, 2016

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