ARTERY AT32 · Low-Power / Low-power
AT32L021K8U7-4 is a Cortex-M0+ Ultra-low-power M0+ for battery/IoT from Artery Technology (雅特力).
Supplied by JTDZ Tech (Shenzhen Jingteng Electronics) — traceable stock, MOQ 1 pc, quotation within 2 business hours.
AT32L021K8U7-4 — Artery AT32 L021 Low-Power MCU
AT32L021K8U7-4 belongs to Artery's AT32 L021 Low-power (Low-Power) family — a Cortex-M0+ microcontroller running up to 80MHz with 64KB Flash and 9KB SRAM in a QFN32 package. It is widely used as a cost-effective, short-lead-time alternative to imported mainstream ARM Cortex-M MCUs in industrial, consumer and IoT designs.
Key Specifications
| Parameter | Specification |
|---|---|
| Part number | AT32L021K8U7-4 |
| Brand / Family | Artery (雅特力) · AT32 L021 |
| Product line | Low-Power MCU |
| Core | Cortex-M0+ (FPU: No) |
| Max CPU frequency | 80MHz |
| Flash | 64KB (series range: 16~64KB) |
| SRAM | 9KB |
| Package | QFN32 |
| Pin count | 32 |
| Operating temperature | -40~105°C |
| Operating voltage | — |
Why choose this part
- Artery (雅特力) silicon, industrial temperature grade (-40~105°C).
- Cortex-M0+ with DSP instructions; FPU supported where listed.
- Rich on-chip peripherals and flexible clocking for compact, cost-sensitive designs.
- Full development ecosystem: evaluation boards, firmware library, Keil/IAR/AT32-IDE support.
- Replaces long-lead / allocated imported — lower risk, faster delivery.
Target Applications
Battery-powered & portable devices, wireless sensors, OBD, BMS, IoT with ultra-low standby current.
Stock & Quotation
In-stock and ready to ship. Minimum order quantity 1 piece. Send us your BOM or target price — we quote within 2 business hours and support hard-to-find / discontinued Artery AT32 variants.
Supply & Compliance Information
JTDZ Tech (Shenzhen Jingteng Electronics) is an independent electronic components distributor of the Artery AT32 AT32L021 family, including AT32L021K8U7-4 (ultra-low-power Cortex-M0+ MCU line). We are not an authorized distributor of Artery Technology; all parts are supplied through our independent supply channels, with traceable stock and MOQ 1 pc.
Frequently Asked Questions
Are you an authorized Artery (雅特力) distributor?
No. JTDZ Tech (Shenzhen Jingteng Electronics) is an independent electronic components distributor. We are not authorized, manufacturer or endorsed by Artery Technology; parts are sourced through our independent supply channels.
What is the price of AT32L021K8U7-4?
Prices are quotation-based and not displayed online. Send the part number and quantity via the inquiry form or email [email protected], and we reply with price, stock, lead time and date code, usually within 2 business hours.
Do you accept BOM lists?
Yes. Send your complete BOM (Excel/CSV preferred) to [email protected]. We quote line by line and support consolidated BOM supply for distributors, EMS companies and design houses.
Where can I find the manufacturer's datasheet for AT32L021K8U7-4?
Electrical specifications follow the manufacturer's Artery datasheet for the exact ordering code. Refer to Artery's manufacturer website, or ask us for selection and cross-reference support.
Related AT32 Resources
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- Browse all Microcontrollers (MCUs)
Trademark notice: Artery, AT32 and related names are trademarks of Artery Technology (雅特力科技). This listing is provided by an independent distributor for identification purposes only and does not imply any affiliation with, authorization from, or endorsement by the manufacturer. See our Legal Notice.
Genuine original parts guaranteed — traceable lot & date code, X-ray / visual inspection and third-party test supported before shipment.