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Raspberry #Pi5 is the most complicated, and expensive, engineering program we’ve ever undertaken at #RaspberryPi, spanning over seven years, and costing on the order of $25 million. It’s also our first flagship product to make use of silicon designed in-house here at Raspberry Pi, in the form of the RP1 I/O controller.

RP1 is an incredibly intricate design, so here are some words from Eben and a video explaining the process.

https://www.raspberrypi.com/news/rp1-the-silicon-controlling-raspberry-pi-5-i-o-designed-here-at-raspberry-pi/

RP1: the silicon controlling Raspberry Pi 5 I/O, designed here at Raspberry Pi - Raspberry Pi

Raspberry Pi 5 is our first flagship product to make use of silicon designed in-house here at Raspberry Pi: the RP1 I/O controller.
Eben Upton (Raspberry Pi)
#RaspberryPi #pi5
in reply to Raspberry Pi :raspberrypi:

Adam Honse
Adam Honse
• •
RP1 looks pretty awesome. I especially like the idea that it has an unused Cortex M1 core inside, if we ever get the ability to program that it could be a very interesting platform considering pairing an Arduino with a Pi is a pretty common occurrence. Impressive engineering all around for making the first "southbridge" on an ARM platform that I've seen.
in reply to Raspberry Pi :raspberrypi:

Graeme
Graeme
• •

couple of M3 cores 🤔

Wondering about bare metal and real time on south bridge. Also ADC. A lot like an embedded RP2, nice

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