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STMicroelectronics STM32W108C8U63TR
- Part No.:
- STM32W108C8U63TR
- Manufacturer:
- STMicroelectronics
- Category:
- RF Transceiver ICs
- Package:
- 48-VFQFN Exposed Pad
- Datasheet:
-
STM32W108C8U63TR.pdf
- Description:
- IC RF TXRX+MCU BLE 48VFQFPN
- Quantity:
- Payment:
- Shipping:
Inventory:4,525
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Product details
Overview
STM32W108C8U63TR from STMicroelectronics is a high-performance, IEEE 802.15.4 wireless system-on-chip integrating a 32-bit ARM® Cortex™-M3 processor, 2.4 GHz transceiver, 64-Kbyte Flash, 8-Kbyte RAM, and AES128 encryption accelerator. It operates at 6/12/24 MHz, delivers +3 dBm RF output power, and achieves -99 dBm RX sensitivity - deployed in RF4CE remote controls and 6LoWPAN sensor nodes.
For engineers reviewing the STM32W108C8U63TR datasheet, STM32W108C8U63TR pinout, STM32W108C8U63TR application, or STM32W108C8U63TR equivalent, key selection criteria include IEEE 802.15.4 MAC+PHY integration, deep-sleep current (400 nA), VFQFPN48 package compatibility, and hardware-accelerated AES for secure mesh networking.
Technical Context
The device embeds a full IEEE 802.15.4-compliant radio stack with integrated lower MAC, supporting direct packet transmission/reception without external baseband processing. Its ARM Cortex-M3 core executes application firmware while managing RF timing-critical tasks via dedicated timers and interrupt prioritization.
RF performance is optimized through configurable link budget (up to 107 dB), programmable TX power (+3 to +8 dBm), and robust coexistence circuitry for concurrent WiFi/Bluetooth operation. Power management includes dual internal regulators (1.8 V and 1.25 V), low-frequency RC oscillator for sleep timing, and sub-100 µs wake-up latency.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | ARM Cortex-M3 32-bit RISC processor with Thumb-2 instruction set and NVIC for deterministic real-time response. |
| Wireless Standard | IEEE 802.15.4-2006 compliant transceiver with integrated lower MAC layer - enables self-contained Zigbee/Thread node implementation. |
| Memory | 64-Kbyte on-chip Flash (programmable in-system) and 8-Kbyte SRAM - supports firmware updates and packet buffering without external memory. |
| RF Performance | -99 dBm RX sensitivity (1% PER, 20-byte packet); +3 dBm nominal TX output; configurable up to +8 dBm - ensures reliable 10–30 m indoor range. |
| Power Consumption | 27 mA RX current (with CPU active); 31 mA TX current (+3 dBm); 400 nA deep-sleep current with RAM retention - enables multi-year battery life in coin-cell-powered remotes. |
| Package | VFQFPN48 (7 × 7 mm, 0.5 mm pitch) - compact footprint suitable for space-constrained IoT endpoints with thermal pad for RF stability. |
| Clock Sources | Internal HSI (24 MHz, 100 µs startup), LSI (10 kHz), plus optional 24 MHz crystal and 32.768 kHz RTC crystal - balances precision, power, and BOM cost. |
Pinout & Package
VFQFPN48 (7 × 7 mm, 0.5 mm pitch) with exposed thermal pad; designed for RF signal integrity and thermal dissipation in wireless modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Core & I/O supply | 2.1–3.6 V input powering internal 1.8 V and 1.25 V regulators - single-supply operation simplifies PCB design. |
| RF_IO | Transceiver antenna interface | Differential 2.4 GHz RF port requiring 50 Ω matching network - connects directly to chip antenna or balun. |
| nRESET | Active-low reset input | Synchronous reset assertion resets CPU, peripherals, and RF state machine - compatible with push-button or supervisor IC. |
| SWDIO / SWCLK | ARM Serial Wire Debug interface | Two-pin debug channel supporting non-intrusive flash programming and real-time trace - eliminates JTAG pin overhead. |
| PA0–PA23 | General-purpose I/O | 24 highly configurable GPIOs with Schmitt-trigger inputs and alternate functions for SPI/I2C/UART - enables flexible peripheral expansion. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated IEEE 802.15.4 PHY+MAC | Eliminates external RFIC and MAC controller - reduces BOM count and layout complexity for certified wireless nodes. |
| AES128 encryption accelerator | Hardware-based cipher engine offloads CPU during secure frame encryption/decryption - maintains real-time throughput in encrypted networks. |
| Non-intrusive packet trace (PTI) | Real-time RF packet capture via dedicated trace pins - enables protocol-level debugging without altering timing or firmware behavior. |
| Low-power sleep modes | Deep-sleep mode retains RAM and GPIO state at 400 nA - preserves connection context across long idle periods in battery-powered devices. |
| Flexible clock architecture | Multiple internal oscillators (HSI/LSE/LSI) plus crystal support - allows dynamic clock switching to optimize power vs. accuracy per operational phase. |
Applications
| RF4CE Remote Controls | 6LoWPAN Sensor Nodes |
|---|---|
Use Scenario: Battery-powered TV/AV remote with bidirectional command feedback and firmware OTA capability. IC Role / Device Role / Timing Role: Primary SoC executing RF4CE stack, managing button scan, LED indicators, and secure pairing handshake. Use Value: 400 nA deep-sleep current extends CR2032 battery life beyond 2 years; integrated AES prevents replay attacks on IR replacement commands. |
Use Scenario: Industrial temperature/humidity sensor node transmitting data every 5 minutes over IPv6-based mesh network. IC Role / Device Role / Timing Role: End-device node running 6LoWPAN adaptation layer, handling IEEE 802.15.4 CSMA-CA, and IPv6 header compression. Use Value: Hardware-accelerated AES and MAC reduce CPU load by >40%, enabling simultaneous ADC sampling and packet assembly within 12 MHz clock budget. |
| Zigbee Light Link Devices | Proprietary Wireless Sensors |
Use Scenario: Smart LED bulb with dimming control, color tuning, and group addressing via Zigbee Light Link profile. IC Role / Device Role / Timing Role: Zigbee coordinator-capable endpoint implementing ZLL commissioning, APS layer security, and ZCL attribute reporting. Use Value: Configurable +8 dBm TX power ensures reliable communication through walls in residential environments; 24 GPIOs support RGBW LED driver interfaces. |
Use Scenario: Asset tracking tag monitoring shock, orientation, and temperature in logistics containers using custom lightweight protocol. IC Role / Device Role / Timing Role: Standalone wireless transmitter with wake-on-motion, burst-mode RF transmission, and ultra-low-power timer-driven sampling. Use Value: 100 µs wake-up from deep sleep enables immediate response to accelerometer interrupts; single 24 MHz crystal minimizes external components. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar IEEE 802.15.4 wireless SoC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TI CC2530F256 | 8051 core, 256 KB Flash, no hardware AES; requires external DC-DC for <3.3 V operation. | Limited to legacy Zigbee HA 1.2; lacks 6LoWPAN IP stack support and deep-sleep current optimization. | Preferred for cost-sensitive Zigbee HA-only deployments where AES offload is not required. |
| Nordic nRF52840 | ARM Cortex-M4F core, Bluetooth 5.0 + IEEE 802.15.4 dual-mode, 1 MB Flash, 256 KB RAM. | Supports Thread, Matter, and BLE Mesh; higher power consumption (750 nA deep sleep) and larger QFN48 package (7×7 mm same footprint but different pinout). | Chosen when multi-protocol flexibility (BLE + 802.15.4) or future-proofing for Matter certification is mandatory. |
Compared with CC2530F256, STM32W108C8U63TR offers superior security and power efficiency for secure, long-life 802.15.4 networks; versus nRF52840, it provides lower deep-sleep current and simpler RF layout at the expense of multi-protocol capability.
Availability
STM32W108C8U63TR is available at Aetrix Electronics and suitable for RF4CE remote controls, 6LoWPAN sensor nodes, and proprietary wireless sensors requiring stable component supply and long-term industrial availability.
Supply support for STM32W108C8U63TR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, specializing in microcontrollers, analog ICs, MEMS, and power management solutions.
This device belongs to the STM32W series of wireless SoCs engineered specifically for ultra-low-power, standards-compliant 2.4 GHz IoT edge nodes - emphasizing RF integration, security acceleration, and minimal external component count.
FAQ
Does STM32W108C8U63TR support Thread or Zigbee PRO stacks out of the box?
No. The device integrates only the IEEE 802.15.4 PHY and lower MAC layer; higher-layer protocols (Zigbee PRO, Thread, 6LoWPAN) require third-party or ST-provided software stacks. ST's official Zigbee stack supports this part, and open-source 6LoWPAN implementations (e.g., Contiki-NG) have verified porting.
What is the maximum achievable TX power with external PA support?
The RF front-end supports external power amplifier connection via dedicated PA_EN and RF_PA pins. With a matched 2-stage PA (e.g., SKY65111), output power reaches +20 dBm while maintaining ETSI/FCC compliance through controlled ramp-up timing and spectral mask adherence.
Can the internal 24 MHz HSI oscillator replace the external crystal for full RF operation?
No. While the HSI enables fast wake-up and CPU operation, IEEE 802.15.4 RF compliance mandates ±40 ppm frequency accuracy - only achievable with a 24 MHz fundamental-mode crystal. The HSI drift exceeds specification limits and will cause packet loss in dense networks.
Is the VFQFPN48 package RoHS and REACH compliant?
Yes. STM32W108C8U63TR is manufactured in ST's fully certified facilities and meets RoHS Directive 2011/65/EU and REACH Regulation (EC) No. 1907/2006. Full material declarations and CoC are available via ST's Quality Portal under document number ECOPACK2.
STM32W108C8U63TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- STM32
- Package/Case:
- 48-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Type:
- TxRx + MCU
- RF Family/Standard:
- Bluetooth, WiFi
- Protocol:
- 802.15.4, Zigbee®
- Modulation:
- -
- Frequency:
- 2.4GHz
- Data Rate (Max):
- -
- Power - Output:
- 3dBm
- Sensitivity:
- -99dBm
- Memory Size:
- 64kB Flash, 8kB RAM
- Serial Interfaces:
- ADC, GPIO, I2C, SPI, UART
- GPIO:
- 24
- Voltage - Supply:
- 2.1V ~ 3.6V
- Current - Receiving:
- 27mA
- Current - Transmitting:
- 31mA
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 48-VFQFPN (7x7)
STM32W108C8U63TR FAQ
1.How can I place an order for STM32W108C8U63TR through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32W108C8U63TR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for STM32W108C8U63TR reliable?
The price and inventory of STM32W108C8U63TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32W108C8U63TR is usually 5 days.
3.What payment methods are accepted for STM32W108C8U63TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32W108C8U63TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32W108C8U63TR?
STM32W108C8U63TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32W108C8U63TR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for STM32W108C8U63TR?
For technical support, including STM32W108C8U63TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32W108C8U63TR requirements.
6.How does Aetrix verify that STM32W108C8U63TR is sourced from the original manufacturer or authorized distributors?
All STM32W108C8U63TR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that STM32W108C8U63TR meets industry standards.
7.What is the process for return or replacement of STM32W108C8U63TR?
All STM32W108C8U63TR units undergo pre-shipment inspection (PSI). If there is an issue with STM32W108C8U63TR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The STM32W108C8U63TR part is unused and in its original packaging.
Return procedure for STM32W108C8U63TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
STM32W108C8U63TR Tags
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