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The Ultimate Guide to the Raspberry Pi 4 Model B Full Schematic: A Deep Dive for Engineers and Makers
The main resource for technical specs, connector locations, and component identification. GPIO Pinout: An interactive guide to the 40-pin header. Summary Table of Technical Specifications Specification SoC
A dedicated section covers the PMIC. The schematic reveals:
: Broadcom BCM2711, Quad-core Cortex-A72 (ARM v8) 64-bit SoC @ 1.5GHz or 1.8GHz.