Raspberry Pi 4 Model B Full Schematic ((top))

If you need a specific diagram for one of these components, let me know which one: Power Regulation (USB-C) GPIO Layout Share public link

Included in the Schematic

: The schematic shows circuitry for power-on-reset and over-voltage protection, ensuring the board handles power surges gracefully. High-Speed Connectivity and I/O Raspberry Pi 4 Model B Full Schematic

The board features a dedicated PCIe lane for USB 3.0 via the VL805 controller, alongside a true Gigabit Ethernet PHY and a modularly certified Wi-Fi/Bluetooth chip.

Practical notes:

The central component of the schematic is the Broadcom BCM2711 SoC. Moving away from the older 28nm processes, the BCM2711 is fabricated on a 28nm silicon node but utilizes much higher performance IP blocks.

March 23, 2026

+-----------------------------------------------------------------------+ | Broadcom BCM2711 SoC | | (Quad-core Cortex-A72 @ 1.5GHz / VideoCore VI / PCIe / Dual HDMI) | +-----------------------------------------------------------------------+ | | | | +-----------------+ +-----------------+ +-------------+ +---------+ | LPDDR4 SDRAM | | USB 3.0 / 2.0 | | Gigabit Enet| | Wireless| | (1/2/4/8GB RAM) | | VIA VL805 PCIe | | Broadcom | | Cypress | | | | Controller | | BCM54213PE | | CYW43455| +-----------------+ +-----------------+ +-------------+ +---------+ Core Subsystems on the Board: Broadcom BCM2711 SoC.