Reported by ChipDispatch on 2026-10-02. Summarized and analyzed by XAIPART Editorial.
What happened
At Embedded World North America 2026, STMicroelectronics detailed the STM32C5 microcontroller, a 144-MHz Arm Cortex-M33 part with dynamic power consumption under 80 µA/MHz.S1 The single die integrates 1 MB of flash, 256 kB of RAM, 64 kB of data flash and 4.5 kB of one-time programmable memory.S1 Packages go down to 3 × 3 mm.S1
The part targets cost-sensitive, low-power designs that still need math throughput: a floating-point unit works alongside a CORDIC accelerator for trigonometric functions.S1 ST also integrated a 1%-calibrated RC oscillator that holds tolerance from −20 to 105°C, which trims bill-of-materials cost by removing an external crystal in many applications.S1
Connectivity includes 10/100 Ethernet, two FD-CAN interfaces, USB 2.0 host/device, octal SPI compatible with HyperFlash and HyperRAM, one I3C port and two I2C ports.S1 The analog side offers three 12-bit ADCs with up to 30 channels at 2.25 MSPS, or 4.5 MSPS in dual interleaved mode, plus one 12-bit DAC and a comparator.S1
ST backs the chip with an STM32C5 Nucleo board carrying Arduino Uno V3 and ST Morpho headers, and the device works within the STM32Cube IDE and ecosystem.S1
| Metric | Reported value |
|---|---|
| Core | Arm Cortex-M33 at 144 MHz S1 |
| Dynamic power | under 80 µA/MHz S1 |
| Flash / RAM | 1 MB / 256 kB (plus 64 kB data flash, 4.5 kB OTP) S1 |
| Smallest package | 3 × 3 mm S1 |
| ADC rate | 2.25 MSPS (4.5 MSPS dual interleaved) S1 |
| Pricing and availability date | Not disclosed |
Background timeline
- No prior milestones disclosed by the source.
Technical impact
The STM32C5 positions itself between entry-level Cortex-M0/M0+ parts and higher-end Cortex-M4/M33 lines, with hardware floating point and CORDIC unusual at this cost tier. The crystal-less RC oscillator claim (1% over −20 to 105°C) means designers of cost-sensitive boards can drop one component per node, provided their timing budget tolerates 1% rather than crystal-grade ppm accuracy. The 3 × 3 mm package also enables dense sensor-node layouts.
Market impact
For sourcing teams, the integrated RC oscillator and octal SPI memory interface can shrink the BOM and reduce dependent line items such as external crystals and memory chips. The source gave no pricing or availability dates, so any volume negotiation should start by requesting samples and firm lead times from ST and its distribution channel. FD-CAN and 10/100 Ethernet on a low-power Cortex-M33 may also make the STM32C5 a candidate for industrial node consolidation.
Action
Engineers evaluating this part should order the STM32C5 Nucleo board and prototype within STM32Cube, per the source's ecosystem description. Compare the RC-oscillator tolerance against your timing requirements early, and verify which package variants are actually in production before locking a layout at 3 × 3 mm.
XAIPART Forecast
Within 9 months (by 2026-07-31 would be past; we state: by 2027-07-31), STMicroelectronics's STM32C5 Nucleo boards and at least one production package variant will be listed as in-stock items at major distributors in quantities above 1 k units; if distributor stock of the STM32C5 does not reach that threshold by 2027-07-31, this forecast is wrong. XAIPART analysis
Facts are as reported by the cited source. The design-in, sourcing and forward-looking statements above are XAIPART's analysis, not the source's claims. Pricing, exact package variant list, production status and availability dates were not disclosed by the source, and this is a single-source report.
Corrections: none at publication. This brief will be updated with a timestamp if the source corrects its report.
বিকল্প এবং জীবন-চক্র
| অংশ | সম্পর্ক | জীবন-চক্র | ভিত্তি |
|---|---|---|---|
| — | ফাইলে কোনো বিকল্প নেই ডাটা চাই | — | প্রয়োজন match_type কোনও আগের লেবেল দেখা যাবে পর্যন্ত |
“পূর্বসূরী” এবং “বিকল্প” লেবেলগুলি কেবল একটি রেকর্ডকৃত ম্যাচ টাইপ, একটি জীবনচক্র অবস্থা, বা সূত্র টেক্সট থেকে আসে। যেখানে কোনো ম্যাচ রেকর্ড করা হয়নি, কোনো লেবেল দেখা যায় না। আমাদের নিজস্ব তালিকাগুলি বাজার উল্লেখ নয়
কি নজর রাখা উচিত
| দাবি | সীমানা | By | অবস্থা |
|---|---|---|---|
| Within 9 months (by 2026-07-31 would be past; we state: by 2027-07-31), STMicroelectronics's STM32C5 Nucleo boards and at least one production package variant will be listed as in-stock items at major distributors in ... | distributor stock of the STM32C5 does not reach that threshold by 2027-07-31 | Pending |
ভুল হওয়া পূর্বাভাস দেখতে পাওয়া যায় এবং মার্ক করা হয়। তা মোছে দেওয়া হয় না
প্রভাবিত পর্ট
কোনো ক্যাটালগ ম্যাচ নেই এই গল্প একক এপার্টের যে কোনো অংশের সাথে সাযুজ্য হয়নি। আমরা ম্যাচ সাবস্ক্রাইব করব না, এবং একটি প্লেসহোল্ডার তালিকা দেখাও না করি。
মাপকাঠীতে ব্যয় চাপ
| Dimension | FRED series ID | Unit | Lag | As of |
|---|---|---|---|---|
| Input cost | PCOPPUSDM, PALUMUSDM, PNICKUSDM | USD/mt | 52 d | |
| Supply/demand | PCU334413334413, IPG3344S | index(1982=100) / index(2017=100) | 46 d | |
| FX & energy | DEXCHUS, DCOILBRENTEU, DHHNGSP | rate / USD/bbl / USD/MMBtu | 5 d |
No free authoritative interface for: gold · silver · rare earth · polysilicon · lithium carbonate · market share — listed rather than approximated.
কিভাবে এটা উৎপন্ন হয়েছে
প্রমাণপত্র প্রক্রিয়াকরণ — ফেচ, উৎস সানিটি, মডেল এবং গেট
| Source fetched | ChipDispatch · chipdispatch.com · 1,425 chars |
|---|---|
| Source sanity (S1) | ok — passed before any model call (no s1_ block recorded) |
| Model / prompt | glm-5.3-flash · prompt Blog Agent - News Summary (v2.8-final) · 6,060 tokens · 34.5s · run completed |
| Gate | verdict hold · 5/6 applicable checks passed · spec v2.9 · C10 ratio 0.100554 · C10 rounds 0 |
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