VLSI KoreaWorkload and traffic model
Turn core counts and clock targets into a workload model with dependencies, cache misses and sharing. Core count alone does not establish instructions per cycle or application throughput.
MILANDR / SPECIMEN
1986VE91T / MDR32F9Q2I
A Cortex-M3 microcontroller die with flash, SRAM, USB, converters, and mixed-signal support blocks described on its source page.
1986VE91T / MDR32F9Q2I DIE PHOTOGRAPH
1920 × 1698 PX SOURCE / 100%
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 the Milandr Cortex-M3 MCU and labels its functional blocks.
Specifications
2 SOURCE-LINKED FIELDSSource-linked record
ARCHITECTURE → RTL → GDS
All design guides ↗Design with this record
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.
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 Cortex-M3 microcontroller die with flash, SRAM, USB, converters, and mixed-signal support blocks described on its source page.
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
1 DOCUMENTED SOURCESVisual sources
Hosted image provenance · 1
Die photographHosted in Museum
1986VE91T / MDR32F9Q2I — Die photograph
Zeptobars · ZeptoBars
7,799 × 6,897 pxTechnical archive / analysis
Article identifies the Milandr Cortex-M3 MCU and labels its functional blocks.
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- Attribution
- 1986VE91T / MDR32F9Q2I — ZeptoBars / CC BY 3.0
- Identity / confidence
- matched / high
- Evidence reviewed
- 2026-09-06
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Source trail
1986VE91T / MDR32F9Q2I — original ZeptoBars photography ↗ · ZeptoBars