ARM9 is a group of 32-bit RISC ARM processor cores licensed by ARM Holdings for microcontroller use. The ARM9 core family consists of ARM9TDMI, ARM940T, ARM9E-S, ARM966E-S, ARM920T, ARM922T, ARM946E-S, ARM9EJ-S, ARM926EJ-S, ARM968E-S, ARM996HS. Since ARM9 cores were released from 1998 to 2006, they are no longer recommended for new IC designs, instead ARM Cortex-A, ARM Cortex-M, ARM Cortex-R cores are preferred.
Nintendo DSi has a chip with an ARM9 and ARM7 core
Lego Mindstorms EV3 brick has an ARM9 TI Sitara AM1x
ARM946E-S baseband processor on a Samsung SGH-D900 phone
Samsung S3C2416XH-26
Arm Holdings plc is a British semiconductor and software design company based in Cambridge, England, whose primary business is the design of central processing unit (CPU) cores that implement the ARM architecture family of instruction sets. It also designs other chips, provides software development tools under the DS-5, RealView and Keil brands, and provides systems and platforms, system-on-a-chip (SoC) infrastructure and software. As a "holding" company, it also holds shares of other companies. Since 2016, it has been majority owned by Japanese conglomerate SoftBank Group.
Arm "ABCD" building in Cherry Hinton, Cambridge, UK
An ARM processor in a Hewlett-Packard PSC-1315 printer, produced for HP by STMicroelectronics
ARM Cortex A57 A53