ESPRESSIF / SPECIMEN

Espressif ESP32

A 40 nm Wi-Fi/Bluetooth SoC die with two LX108 CPU cores and integrated hall sensor described by the source.

1920 × 1850 PX SOURCE / 100%

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ZeptoBars ·CC BY 3.0· Die photograph · Original retained in the acquisition archive. Display resized to at most 1920 pixels; responsive AVIF/WebP encodings. No crop, recoloring, annotations, or generated detail.

Origin & contributions

Original source · Retrieved 2026-09-06

ZeptoBars (publishing archive and CC BY licensor; individual photographer uncredited) · archive · Included in this image

Credit the photograph title and ZeptoBars; link to the original source page and CC BY 3.0; indicate modifications. No endorsement is implied.

Article identifies ESP32, its wireless role, 2×LX108 cores, 520 kB RAM and 40 nm process.

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Specifications

2 SOURCE-LINKED FIELDS

Photographed specimen	Published analysisZeptoBars Scope: physical-specimen
Photographic scope	Published analysisZeptoBars Scope: physical-specimen

Source-linked record

ARCHITECTURE → RTL → GDS

Design with this record

All design guides ↗

Start with documented specifications, then use the study prompts below. The prompts are engineering guidance, not a claim about this product’s private RTL or physical implementation.

Workload and traffic model

Build a traffic matrix across the documented CPU, graphics, AI and I/O engines. Model concurrent bursts, locality and worst-case response time at shared memory before choosing arbitration or buffering.

Contracts before RTL

Choose a representative producer/consumer path and specify acceptance, ordering, backpressure, outstanding capacity and reset recovery. Turn these contracts into assertions and test scenarios before optimizing the datapath.

A feasible physical plan

Obtain macro abstracts, pin maps, timing libraries and activity-based power estimates. Explore macro proximity, routing channels and power-grid reachability together. An annotated die photograph can suggest study questions, but cannot supply a netlist, PDK or signoff constraints.

Read the record in its physical scope.

A 40 nm Wi-Fi/Bluetooth SoC die with two LX108 CPU cores and integrated hall sensor described by the source.

This record has identification and source evidence. A deeper architectural article has not yet been written. Visible patterns alone do not establish block functions, capacity or an internal protocol.

THE VISUAL EVIDENCE

Visual sources

1 DOCUMENTED SOURCES

Hosted image provenance · 1

Die photographHosted in Museum

Espressif ESP32 — Die photograph

Zeptobars · ZeptoBars

5,518 × 5,318 pxTechnical archive / analysis

Article identifies ESP32, its wireless role, 2×LX108 cores, 520 kB RAM and 40 nm process.

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Rights, provenance & link history

Rights status: CC LICENSED
Licence: CC BY 3.0 ↗
Local hosting / thumbnails / hotlinking: Allowed / Allowed / Not enabled
Attribution: Espressif ESP32 — ZeptoBars / CC BY 3.0
Identity / confidence: matched / high
Evidence reviewed: 2026-09-06
Link checked: Not yet checked · unchecked

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Source trail

Espressif ESP32 — original ZeptoBars photography ↗ · ZeptoBars