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Espressif's ESP32-C5 SoC Enters Mass Production

2025-04-30
Espressif's ESP32-C5 SoC Enters Mass Production

Espressif Systems announced that its ESP32-C5, the industry's first RISC-V SoC supporting dual-band Wi-Fi 6 (2.4 GHz and 5 GHz), Bluetooth 5 (LE), and IEEE 802.15.4 (Zigbee, Thread), is now in mass production. This 32-bit single-core processor boasts speeds up to 240MHz, 384KB on-chip SRAM with external PSRAM support, and a low-power co-processor. Designed for high-efficiency, low-latency wireless applications, the ESP32-C5 offers abundant GPIOs, high-speed interfaces, and top-tier security. Initial support is available in the upcoming ESP-IDF v5.5, and development boards are available for purchase.

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(www.espressif.com)
Hardware

Clarification on Alleged ESP32 Backdoor

2025-03-11
Clarification on Alleged ESP32 Backdoor

Recent media reports claimed an ESP32 chip backdoor. Espressif clarifies that the reported functionality is internal debug commands for testing, not remotely accessible via Bluetooth, radio, or internet. These commands pose no security risk by themselves, though Espressif will provide a software fix to remove them. Only ESP32 chips are affected; ESP32-C, ESP32-S, and ESP32-H series are not. Espressif thanks the security researchers for their responsible disclosure.

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(www.espressif.com)
Hardware