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.
جایگزین‌ها و چرخه عمر
| قطعه | رابطه | چرخه عمر | مبنا |
|---|---|---|---|
| — | جایگزینی در پرونده نیست نیازمند داده | — | نیازمند match_type پیش از آنکه برچسب هر پیشینی ظاهر شود |
برچسب‌های «جانشین» و «جایگزین» فقط از نوع تطابق ثبت‌شده، وضعیت چرخه عمر یا متن منبع می‌آیند. جایی که تطابقی ثبت نشده باشد، برچسبی نمایش داده نمی‌شود. آگهی‌های خود ما مرجع بازار نیستند.
چه چیزی را زیر نظر بگیریم
| ادعا | آستانه | نویسنده | وضعیت |
|---|---|---|---|
| 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 |
پیش‌بینی‌هایی که نادرست از آب دربیایند قابل مشاهده و علامت‌گذاری‌شده باقی می‌مانند. ما آن‌ها را حذف نمی‌کنیم.
قطعات تحت تأثیر
تطابقی با کاتالوگ نیست. این خبر به هیچ قطعه‌ای که در حال حاضر در XAIPART فهرست شده مرتبط نیست. ما تطبیق حدسی انجام نمی‌دهیم و فهرست جایگزین نمایش نمی‌دهیم.
فشار هزینه بر اساس بُعد
| 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.
این چگونه تولید شد
شواهد فرایند — واکشی، اعتبارسنجی منبع، مدل و دروازه
| 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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