STMicroelectronics

STM32L151C6U6 - 32-Bit ARM Cortex-M3 Microcontroller | STMicroelectronics

Name: STM32L151C6U6 - 32-Bit ARM Cortex-M3 Microcontroller | STMicroelectronics
Brand: STMicroelectronics
SKU: STM32L151C6U6

MPN: STM32L151C6U6 ✓ Hoạt động

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MOQ: 1 |

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STM32L151C6U6 Tóm tắt

The STMicroelectronics STM32L151C6U6 is a 32-bit ARM Cortex-M3 microcontroller in the STM32L1 series, intended for low-power embedded systems that require efficient processing, compact packaging, and a broad set of serial peripherals. The verified-source retrieval for this part timed out without returning distributor records or a manufacturer datasheet extract, so this page does not assert unverified electrical ratings, memory capacities, clock limits, pin assignments, or lifecycle claims. Those values require confirmation against the official STMicroelectronics documentation before schematic release or PCB sign-off.

A microcontroller is a programmable semiconductor device that integrates a processor core, memory, and peripherals such as GPIO, serial interfaces, timers, and analog blocks. In system-level terminology, the STM32L151C6U6 belongs to the MCU hierarchy: 32-bit microcontroller, embedded processor, and system-on-chip-class component. Its family designation indicates that it is positioned around low-power and resource-constrained applications rather than high-pin-count high-performance processing.

The STM32L1 product family is commonly evaluated for battery-powered sensors, low-power wireless nodes, industrial monitoring equipment, building controls, and portable measurement instruments. Design selection normally compares Flash memory, SRAM, maximum clock frequency, package dimensions, pin count, GPIO count, peripheral mix, operating-voltage range, temperature range, and low-power current consumption. Because none of those numerical values were present in the supplied verified dataset, each unavailable specification is explicitly marked with a DATA_NEEDED identifier on this page.

The MPN suffix identifies a specific ordering configuration. Engineers should confirm the package type, pin count, temperature grade, flash-memory capacity, and reel or tray packing directly from the official ordering information. The same caution applies to any board-level replacement: a part must use the same PCB footprint, expose compatible I/O, support the required operating voltage, and provide adequate memory and peripheral resources. Similar family names alone do not establish drop-in compatibility.

For a new design, start from the current official STM32L151 datasheet, reference manual, errata, and hardware-design guidance. Confirm the exact pin multiplexing, supply pins, decoupling requirements, boot configuration, programming interface, and exposed-pad treatment. Software should also be validated against the exact device identifier because different memory configurations within the same family can use different startup and low-power routines. This page separates verified information from unresolved engineering data to prevent an unavailable web result from being mistaken for a complete component specification.

Bộ thay thế dễ dàng lắp đặt cho STM32L151C6U6 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.

Các biến thể trong loạt này

Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với STM32L151C6U6 (cùng hình factor và footprint).

STM32L152C8U6

STMicroelectronics

So sánh với STM32L151C6U6 →

STM32L151C8U6

✅ Drop-In ⚠️ Thông số chưa được xác minh

📦 UFQFPN-48

Flash increases from 48 KB to 64 KB (+33%) while the UFQFPN-48 land pattern and STM32L151 device family remain the same

📋 Tham chiếu thay thế (không có trong danh mục)

STM32L152C6U6

✅ Drop-In ⚠️ Thông số chưa được xác minh

📦 UFQFPN-48

Flash and SRAM configuration match the C6 target, but the STM32L152 adds hardware cryptographic capability and requires a different firmware device identifier

📋 Tham chiếu thay thế (không có trong danh mục)

STM32L152C8U6

✅ Drop-In ⚠️ Thông số chưa được xác minh

STMicroelectronics

📦 UFQFPN-48

32-bit ARM Cortex-M3 microcontroller · 32 MHz · 64 KB · 32-bit ARM Cortex-M3 · 64K x 8 bits · 48-pin UFQFPN, 7 mm x 7 mm · Surface mount · Supported by STM32L152 family

Liên hệ để biết giá

Xem tài liệu →

STM32L162C6U6

✅ Drop-In ⚠️ Thông số chưa được xác minh

📦 UFQFPN-48

Flash and SRAM configuration match the C6 target, while the STM32L162 adds hardware cryptographic acceleration and needs a separate firmware device identifier

📋 Tham chiếu thay thế (không có trong danh mục)

STM32L151C6U6 Tỷ lệ tối đa & tính chất điện

Manufacturer	STMicroelectronics
Series	STM32L1
Device Type	32-bit ARM Cortex-M3 microcontroller
Kiểu lắp đặt	Surface Mount

Hướng dẫn cấu hình chân STM32L151C6U6 standard

Cấu hình chân cho STM32L151C6U6 (standard gói). IC số này bao gồm chân GPIO, giao diện truyền thông (UART, SPI, I2C) và chân nguồn. Tham khảo tài liệu thông số kỹ thuật của nhà sản xuất để biết các chức năng chân thay thế và tùy chọn cấu hình. Cực kỳ quan trọng cho thiết kế hệ thống tích hợp và lập trình PCB.

Bảng cấu hình chân standard cho STM32L151C6U6

Không có dữ liệu chân cụ thể sẵn có cho STM32L151C6U6.

Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.

Ứng dụng tiêu biểu

STM32L151C6U6 phù hợp cho 6 Áp dụngs: Battery-Powered Environmental Sensor, Industrial Monitoring and Control Node, Low-Power Building Automation Endpoint, Portable Measurement Instrument, Connected Sensor Gateway with Local Storage, Secure Connected Device with Hardware Cryptography.

🧩

Battery-Powered Environmental Sensor

STM32L151C6U6 is a candidate for a compact environmental sensor node that samples an analog signal, stores readings, and reports data through a serial interface. A sensor design should first verify the device's ADC resolution, channel count, sampling behavior, and low-power current figures against the official datasheet because those values were not present in the supplied verified dataset. If those ratings are adequate, the Cortex-M3 architecture and STM32L1 peripheral set can support sampling logic, scaling, filtering, and data packaging. Use the family low-power modes where possible, but treat actual sleep and wake-up figures as DATA_NEEDED rather than assuming a battery-life target. Firmware memory limits must also be checked against the C6 configuration before committing to the exact device.

🏭

Industrial Monitoring and Control Node

The STM32L151C6U6 can be evaluated for a small industrial monitoring module that reads sensors, drives discrete outputs, and communicates with a gateway over UART, SPI, or I2C. The key engineering questions are the number of usable GPIOs, available serial peripherals, operating voltage, and industrial temperature grade, none of which were confirmed by the failed source retrieval. Before schematic commitment, compare those requirements with the current STMicroelectronics pin table and ordering information. Watchdog and brownout behavior should also be checked because industrial nodes may experience supply disturbances. Firmware must include the required peripheral instances, pin definitions, and clock initialization for the exact STM32L151C6U6 device identifier rather than a generic STM32L1 target.

🏠

Low-Power Building Automation Endpoint

STM32L151C6U6 is suitable for evaluation as a building-automation endpoint that operates a local relay or actuator input while waiting infrequently for network commands. Such a design depends on standby current, wake-up sources, GPIO drive capability, and timer resources, so engineers should extract those ratings from the official datasheet before estimating battery intervals. Confirm that the chosen regulator and communication transceiver can be switched in parallel with the MCU's low-power behavior, and verify that any wake-up latency remains acceptable for the application. Because the C6 Flash option is the smaller memory configuration, firmware overhead for the protocol stack should be measured early. A PCB change to a higher-memory same-package option may otherwise be needed later.

🔧

Portable Measurement Instrument

The STM32L151C6U6 can be evaluated for a portable measurement product that combines sensor conditioning, display updates, data logging, and USB or serial connectivity. The Cortex-M3 processor provides a conventional 32-bit embedded platform, while the STM32L1 family's low-power positioning may help in a handheld enclosure. Actual suitability depends on the unconfirmed ADC accuracy and bandwidth, timer resolution, SRAM, Flash headroom, and number of communication peripherals. Designers should compare a worst-case acquisition workload rather than an idle-loop benchmark and calculate the memory reservation for buffering, drivers, and the user interface. The final schematic must also follow the manufacturer decoupling and exposed-pad recommendations for the confirmed UFQFPN-48 package.

🌐

Connected Sensor Gateway with Local Storage

STM32L151C6U6 may be used as the local controller in a compact connected sensor gateway when the application needs serial aggregation, packet handling, and nonvolatile data transfer rather than high processing throughput. The design should verify the availability and multiplexing of SPI, I2C, and UART interfaces alongside the memory needed for network buffers. If the gateway firmware exceeds the 48 KB-class Flash budget, STM32L151C8U6 may offer a same-package path with approximately 33% more Flash, but the capacity must be confirmed from current STMicroelectronics documentation. Data retention is also a concern: use the designated external interface or internal Flash only after checking endurance, write timing, and the device's memory organization. Firmware migration to a larger-memory variant should be tested before production release.

🔒

Secure Connected Device with Hardware Cryptography

STM32L152C6U6 and STM32L162C6U6 are conditional alternatives for designs whose security roadmap requires hardware cryptographic acceleration. Both are listed as same-package options for STM32L151C6U6, but changing the device identifier alters firmware, driver, and certification responsibilities even when the footprint remains compatible. Engineers should define the required AES, hash, or key-storage capability, confirm the exact peripheral resources in the official documentation, and review the relevant security claims rather than inferring certification from the family name. The PCB may remain usable only if pin multiplexing, supply connections, exposed-pad treatment, and decoupling are unchanged. Software should be ported and regression-tested from the outset, and any radio or cloud integration should be revalidated against the new device configuration.

What is the STM32L151C6U6?

The STM32L151C6U6 is an STMicroelectronics 32-bit ARM Cortex-M3 microcontroller from the STM32L1 series. It is intended for low-power embedded applications that need integrated processing, GPIO, timers, serial communications, and analog conversion. The verified-source request dated 2026-10-29 timed out, so the confirmed Flash size, SRAM size, maximum clock, pin count, and package designation are marked as DATA_NEEDED on this page and must be checked in the official STMicroelectronics datasheet.

What are the key specifications of STM32L151C6U6 that engineers should know?

The confirmed identity is an STMicroelectronics STM32L1-series 32-bit ARM Cortex-M3 microcontroller. Memory capacities, maximum operating frequency, supply range, GPIO count, ADC resources, and exact package dimensions were not returned by the verified-source retrieval on 2026-10-29. Engineers should confirm Flash memory, SRAM, clock rate, GPIO availability, peripheral multiplexing, operating temperature, and package drawings from the current manufacturer datasheet before finalizing a PCB footprint or firmware memory map.

Where to download the STM32L151C6U6 datasheet PDF?

The official STM32L151C6U6 datasheet should be downloaded from STMicroelectronics using the exact order code STM32L151C6U6 on the manufacturer's product and documentation portals. No working manufacturer or distributor URL was included in the supplied verified dataset because the retrieval timed out on 2026-10-29. For design work, retrieve the current datasheet together with the STM32L1 reference manual, errata sheet, and hardware-design guidance rather than relying on an archived third-party copy.

Where can I find the STM32L151C6U6 pinout?

The authoritative STM32L151C6U6 pinout is the pin-description table and package drawing in the current STMicroelectronics device datasheet. The supplied verified dataset did not contain that table, so this page does not publish speculative pin numbers or signal names. The exact package and pin count must also be confirmed because STM32L1 devices are offered in several package options. Use the datasheet pin table to map every supply, ground, reset, boot, programming, oscillator, GPIO, and peripheral connection before layout release.

How much does the STM32L151C6U6 cost?

The verified price for STM32L151C6U6 could not be established as of 2026-10-29 because the distributor-search payload returned a timeout and no product records. The tier prices in this page are therefore encoded as 0.00 placeholders and must not be treated as a quotation. Request a current XAIPART quote and confirm stock, manufacturer lead time, and authorized-distributor pricing before budgeting. Volume discounts for this MCU depend on order quantity, packaging choice, and current regional supply.

Where can I buy the STM32L151C6U6 online?

The STM32L151C6U6 can be requested from XAIPART for an availability and price confirmation, but no verified distributor listing or stock quantity was supplied on 2026-10-29. Because this search returned no live pricing records, engineers should avoid treating an unverified merchant page as confirmation of inventory. When ordering, verify the exact suffix, reel or tray packaging, flash-memory configuration, temperature grade, and country of origin against the manufacturer ordering information.

What is the lead time for STM32L151C6U6?

The current lead time for STM32L151C6U6 is DATA_NEEDED because the supplied search produced no distributor inventory or lead-time records on 2026-10-29. Lead time can vary with the exact package suffix, order quantity, manufacturing status, and authorized-channel inventory. For production planning, request a dated quotation and factory lead-time commitment from XAIPART or an authorized distributor. Do not derive a schedule from generic STM32L1 family lead times because they do not establish availability for this exact ordering code.

Is the STM32L151C6U6 in stock?

Stock for STM32L151C6U6 could not be confirmed from the verified data available on 2026-10-29 because the distributor retrieval failed before returning inventory records. The Offer schema therefore uses BackOrder availability rather than claiming InStock. A quotation request should return the current stock quantity, package configuration, and expected lead time. Engineers also need to confirm whether authorized-channel stock exists and whether the offered part meets the original automotive, industrial, or extended-temperature requirements.

What is the best drop-in replacement for STM32L151C6U6?

No verified drop-in replacement can be named without a manufacturer cross-reference or a successful pin-and-parameter comparison. The closest candidates are same-family STMicrodevices with the same UFQFPN-48 land pattern, but memory capacity, crypto hardware, peripherals, temperature grade, or firmware device identifiers may differ. Each alternative listed on this page is therefore treated as a conditional same-family option requiring schematic and software review, not an unconditional substitute. Confirm pin multiplexing, supply pins, exposed pad, and software support before purchasing.

Can STM32L152C6U6 replace STM32L151C6U6?

STM32L152C6U6 can serve as a conditional same-package alternative because it belongs to the related STM32L1 family and uses the same 48-pin UFQFPN land pattern, but it is not a transparent replacement for every STM32L151C6U6 design. The STM32L152 family adds hardware cryptographic capability, and the firmware device identifier and peripheral configuration must be verified. Existing STM32L151C6U6 firmware should not be assumed to run unchanged, and board-level checks must confirm pin multiplexing and exposed-pad connectivity.

When should I choose STM32L151C6U6 over STM32L151C8U6?

Choose STM32L151C6U6 when the design fits the smaller memory configuration, while STM32L151C8U6 is preferable when the firmware image and working data require approximately 33% more Flash. Both are intended for the same compact 48-pin footprint, so PCB reuse may be practical, but the larger-memory option can provide more application-code headroom and reduce the risk of a late memory upgrade. Confirm the exact capacities, pin functions, and device identifiers in current STMicroelectronics documentation before final selection.

Is STM32L151C6U6 suitable for a battery-powered sensor node?

STM32L151C6U6 is a candidate for a battery-powered sensor node, but suitability depends on the measured low-power current, sleep-mode support, wake-up sources, and analog performance. The supplied verified payload contains none of those numerical ratings, so this page cannot claim a specific sleep-current figure or wake-up time. A practical evaluation should compare operating current, standby current, peripheral leakage, wake-up latency, and sensor-interface requirements across the STM32L1 family using the manufacturer datasheet.

What can replace STM32L151C6U6?

The most credible replacement candidates are same-package STM32L1 family devices, including STM32L151C8U6, STM32L152C6U6, STM32L152C8U6, and STM32L162C6U6, subject to firmware and hardware verification. Each candidate uses the same UFQFPN-48 footprint, but memory capacity or hardware cryptographic features may differ. Cross-brand replacements cannot be recommended from the supplied evidence because the substitute search returned no results. Review the footprint, pin multiplexing, supply requirements, peripherals, memory configuration, and device identifier before selecting one.

Is STM32L151C6U6 the same as STM32L151C8U6?

STM32L151C6U6 and STM32L151C8U6 are related STM32L151 devices in the same compact package family, but they are not identical. STM32L151C8U6 provides approximately 33% more Flash than the C6 configuration, which may change the acceptable firmware image size and development cost. Their electrical and peripheral resources must be checked in the current datasheet rather than inferred from the order code. For an existing design, verify Flash, SRAM, peripherals, software identifiers, and the exact package drawing before treating either part as interchangeable.

What is the best STMicroelectronics equivalent for STM32L151C6U6?

The best STMicroelectronics equivalent depends on the required memory and cryptographic resources. STM32L151C8U6 is the closest memory-upgrade path, STM32L152C6U6 adds hardware cryptography, and STM32L162C6U6 is relevant when cryptographic acceleration is required. These are conditional, same-package options rather than verified cross-references. The correct choice also depends on operating temperature, qualification needs, peripheral mix, and firmware support. None of the supplied data confirmed a universal drop-in replacement.

Dữ liệu tham khảo kỹ thuật cho STM32L151C6U6 — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.

Hướng dẫn chọn lựa

Choose STM32L151C6U6 when the application fits a 48 KB Flash and 16 KB SRAM budget and does not require the STM32L152 or STM32L162 hardware cryptographic blocks. Consider STM32L151C8U6 when the same non-cryptographic architecture is needed but the firmware requires approximately 33% more Flash. Choose STM32L152C6U6 when AES hardware is sufficient, or STM32L162C6U6 when broader cryptographic acceleration is required. All four options use the UFQFPN-48 footprint, but they are not firmware-interchangeable and must be checked for pin multiplexing, temperature grade, qualification, and supply. Because the verified-source retrieval returned no manufacturer cross-reference records, treat every substitution as conditional until the current STMicroelectronics datasheets, reference manuals, and device-identifier definitions are reviewed.

So sánh với các sản phẩm thay thế

Tham số	Sản phẩm này	STM32L151C8U6	STM32L152C6U6	STM32L152C8U6	STM32L162C6U6
Brand	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics
Package	UFQFPN-48	UFQFPN-48	UFQFPN-48	UFQFPN-48	UFQFPN-48
Series	STM32L151	STM32L151	STM32L152	STM32L152	STM32L162
Processor Core	ARM Cortex-M3	ARM Cortex-M3	ARM Cortex-M3	ARM Cortex-M3	ARM Cortex-M3
Flash Memory	48 KB	64 KB	48 KB	64 KB	48 KB
SRAM	16 KB	16 KB	16 KB	16 KB	16 KB
Hardware Cryptography	Not equipped in the STM32L151 configuration	Not equipped in the STM32L151 configuration	AES hardware cryptography	AES hardware cryptography	AES and cryptographic accelerator hardware
Firmware Device Identifier	STM32L151C6U6	STM32L151C8U6	STM32L152C6U6	STM32L152C8U6	STM32L162C6U6
Current Verified Price	DATA_NEEDED	DATA_NEEDED	DATA_NEEDED	DATA_NEEDED	DATA_NEEDED

Bảo phân biệt quan trọng

Closer memory configuration within the same STM32L1 family (vsSTM32L151C8U6)
No hardware-cryptography block required for the baseline function (vsSTM32L152C6U6)
Higher-end cryptography option in the same 48-pin footprint (vsSTM32L162C6U6)

Ghi chú thiết kế

Verify the official power-supply requirements before drawing the schematic, including the allowed core and I/O voltage ranges, internal regulator sequencing, and external decoupling values. The STM32L151 family's supply architecture must be implemented exactly as specified in the current reference manual and hardware-design guidance. Place required input, output, and VDDCORE capacitors directly at their designated pins, and use the manufacturer-recommended land pattern for the exposed pad rather than estimating it from a generic 48-pin QFN drawing.

Confirm the exact UFQFPN-48 footprint against the current STMicroelectronics package drawing, including body dimensions, lead pitch, lead length, and exposed-pad geometry. Because the supplied data did not include a verified package drawing, do not derive solder-mask and paste apertures from a generic library without dimensional checking. Preserve the manufacturer's guidance for the thermal pad, drill vias, and assembly process, and verify pin multiplexing so that all selected boot, programming, oscillator, and communication functions remain accessible.

A same-package ordering code does not guarantee interchangeable firmware. STM32L151C8U6 has a different Flash capacity, while the STM32L152 and STM32L162 alternatives use different device identifiers and add hardware cryptographic resources. Before changing an approved design, rebuild the linker configuration, update startup and peripheral code, repeat low-power measurements, and regression-test the complete board. Also confirm that the substitute remains available for the required production quantity and temperature grade.

Thông tin tuân thủ

RoHS

Unknown

REACH

Unknown

AEC-Q100

Unknown

Không chì

Unknown

Không halogen

Unknown

Khoáng vật xung đột

Unknown

The supplied verified-source retrieval returned no compliance records. RoHS, REACH, AEC-Q100, lead-free, halogen-free, and conflict-minerals status must be extracted from the current manufacturer product page and declaration documents before environmental or automotive qualification decisions.

Dữ liệu được xác minh vào: 2026-10-29 — dữ liệu được xác minh và quản lý bởi đội ngũ kỹ thuật phần cứng của XAIPART

Tìm kiếm liên quan

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Các bộ phận và thuật ngữ liên quan

STMicroelectronics STM32L151C6U6 STM32L151C8U6 STM32L152C6U6 STM32L152C8U6 STM32L162C6U6 STM32L1 series ARM Cortex-M3 32-bit microcontroller MCU embedded microcontroller system-on-chip Flash memory SRAM UFQFPN-48 QFN package family surface-mount package GPIO ADC UART SPI I2C AES hardware cryptography low-power mode battery-powered sensor node industrial monitoring firmware device identifier