Reverse engineering the RP2350 chip powering the Raspberry Pi Pico 2
The electronupdate blog performs a die level teardown of the Raspberry Pi Pico 2 and it’s new RP2350 chip.
Star of the show is the new RP2350. A number of changes, perhaps the most intriguing is two ARM M33 cores _or_ two RISCV Hazard 3 cores. No question that ARM dominates the embedded processor space, however there is a challenger on the sidelines: RISCV.
Rather than taking the risk of building a RISC V produce they cleverly put both on their next die allowing the customer to switch between architectures if they want. This is a clever way of judging market demand without exposing too much cost.
Same 40 nm as the previous Pi Pico but the die is quite a bit larger. left-bottom of die covered by a power distribution network: a sure sign of the digital portion of a design. The pink bits are ‘hard-macros’ of bought in IP such as the USB interface ADC converters, etc.
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