Aspeed Ast2500 Datasheet May 2026

Technical Report: ASPEED AST2500 Datasheet Review

1. Overview

The ASPEED AST2500 is a 32-bit ARM-based SoC targeting remote management, KVM (Keyboard-Video-Mouse), and industrial control applications. It is the dominant BMC chip in servers (x86, ARM, RISC-V) and edge gateways.

13. Application Notes

1. Power Sequencing: Core (VDDC) must rise before or simultaneously with VDDIO; DDR4 VPP must be ≥ 2.5V.
2. Clock Sources: Requires external 25 MHz crystal (or 3.3V oscillator). Internal PLL generates CPU, DDR, and bus clocks.
3. Thermal Management: Use a heat sink if ambient > 70°C and CPU > 80% load.
4. PCB Layout: Keep DDR4 traces length-matched within 5mm; PCIe differential impedance 85Ω.

Power Consumption: Optimized for low-power standby operation. Conclusion Aspeed Ast2500 Datasheet

, you’ve likely seen a small, unassuming chip branded with the logo. That chip is the Technical Report: ASPEED AST2500 Datasheet Review 1