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STMicroelectronics SPZB32W1A2.1
- Part No.:
- SPZB32W1A2.1
- Manufacturer:
- STMicroelectronics
- Category:
- RF Transceiver Modules and Modems
- Package:
- Module
- Datasheet:
-
SPZB32W1A2.1.pdf
- Description:
- RF TXRX MOD 802.15.4 CHIP SMD
- Quantity:
- Payment:
- Shipping:
Inventory:4,460
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Product details
Overview
SPZB32W1A2.1 from STMicroelectronics is a pre-certified, surface-mount ZigBee PRO module based on the STM32W108CB SoC, integrating a 2.4 GHz IEEE 802.15.4 transceiver, ARM Cortex-M3 core, 128 kB Flash, 8 kB RAM, and AES-128 encryption accelerator. It delivers +3 dBm output power (up to +8 dBm in boost mode), -99 dBm receiver sensitivity, and operates from 2.8–3.6 V across -40 °C to +85 °C - deployed in smart energy gateways and industrial sensor nodes requiring FCC/CE-compliant wireless connectivity.
For engineers reviewing the SPZB32W1A2.1 datasheet, SPZB32W1A2.1 pinout, SPZB32W1A2.1 application, or SPZB32W1A2.1 equivalent, key selection criteria include integrated ceramic antenna performance, deep-sleep current <1.3 µA, 24 GPIOs with ADC/I²C/UART support, and EmberZNet PRO stack compatibility - all within a 16.4 × 26.5 mm footprint.
Technical Context
The module implements a full IEEE 802.15.4 PHY/MAC layer alongside an embedded ARM Cortex-M3 processor running ZigBee PRO (EmberZNet) firmware. Its RF architecture includes an onboard 24 MHz crystal for timing compliance and a 32.768 kHz crystal for low-power sleep modes, enabling sub-1 µA deep-sleep operation while maintaining precise timing for beacon-enabled networks.
All 24 GPIOs map directly to STM32W108CB pins, supporting configurable digital I/O, 12-bit ADC inputs (ADC0–ADC5), UART/USART, SPI (SC1/SC2), I²C (TWI), and timer peripherals (TIM1/TIM2). JTAG/SWD debug interfaces (JTCK, JTMS, JTDI, JTDO, SWDIO, SWO) are exposed for firmware development and trace debugging.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RF Standard | IEEE 802.15.4-2006 compliant at 2.4 GHz (channels 11–26) |
| Output Power | +3 dBm nominal; +8 dBm in boost mode - sufficient for 100+ m line-of-sight range in mesh networks |
| Receiver Sensitivity | -99 dBm at 1% PER - enables reliable reception in noisy industrial RF environments |
| Supply Voltage | 2.8–3.6 V - matches common Li-ion/Li-Po and 3.3 V system rails without level-shifting |
| Deep Sleep Current | 1.3 µA @ 3.3 V - supports multi-year battery life in periodic sensor reporting applications |
| Operating Temperature | -40 °C to +85 °C - qualified for uncontrolled industrial and outdoor deployment |
| Antenna Type | Integrated ceramic chip antenna - eliminates external RF layout complexity and certification burden |
Pinout & Package
SPZB32W1A2.1 uses a 26-pin LCC (Leadless Chip Carrier) package measuring 16.4 × 26.5 mm with 1.27 mm pitch. All pins are accessible via castellated edges for surface-mount soldering.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1–26 (Pins 1–26) | Digital I/O, Analog Input, Debug, Power, Ground | Full access to STM32W108CB's 24 GPIOs (including ADC0–ADC5), UART/CTS/RTS, SPI/I²C, JTAG/SWD, and RF control signals (TX_ACTIVE); GND and VDD distributed across multiple pins for low-impedance supply routing |
Key Features
| Feature | Design Value |
|---|---|
| FCC/CE Pre-certification | Reduces end-product regulatory testing time and cost - module-level approval covers radiated emissions and immunity per EN300 328 and FCC Part 15B |
| Onboard Dual Crystal Oscillators | 24 MHz high-stability XTAL ensures ZigBee timing accuracy; 32.768 kHz XTAL enables ultra-low-power RTC and wake-up timing without external components |
| ARM Cortex-M3 + 128 kB Flash | Enables local application logic execution and over-the-air (OTA) firmware updates without host MCU dependency |
| AES-128 Hardware Accelerator | Offloads encryption processing from CPU - maintains secure ZigBee network joining and frame encryption at full data rate without latency penalty |
| 24 Configurable GPIOs | Supports mixed-signal interfacing: analog sensor inputs (6-channel 12-bit ADC), digital control (UART/I²C/SPI), and real-time event capture (external interrupts IRQA–IRQD) |
Applications
| Smart Energy Gateway | Industrial Wireless Sensor Node |
|---|---|
|
Use Scenario: Two-way communication between utility meter and home area network (HAN) gateway for AMI data collection and demand-response commands. IC Role / Device Role / Timing Role: Standalone ZigBee PRO coordinator node executing EmberZNet stack, managing secure network formation and time-synchronized polling of endpoint meters. Use Value: Integrated antenna and FCC certification eliminate RF design risk; deep-sleep current <1.3 µA extends battery backup runtime during grid outages. |
Use Scenario: Battery-powered temperature/humidity/vibration monitoring in factory machinery with periodic reporting to PLC or cloud gateway. IC Role / Device Role / Timing Role: End-device node performing local ADC sampling, data aggregation, and low-duty-cycle ZigBee transmission using beacon-enabled superframe timing. Use Value: Onboard 32.768 kHz crystal enables precise sleep/wake scheduling; +3 dBm output ensures link reliability in electrically noisy plant environments. |
| Home Automation Hub | Wireless Security Panel |
|
Use Scenario: Central controller aggregating commands from ZigBee light switches, thermostats, and door locks in residential smart-home systems. IC Role / Device Role / Timing Role: ZigBee PRO router node handling mesh forwarding, security key management, and OTA firmware distribution to endpoints. Use Value: 128 kB Flash stores full EmberZNet PRO stack plus custom application logic; AES-128 hardware acceleration secures all inter-device communications. |
Use Scenario: Low-power perimeter alarm panel receiving motion, door/window, and glass-break sensor alerts via ZigBee mesh network. IC Role / Device Role / Timing Role: Secure end-device node with tamper-detection interrupt (IRQB/IRQC) and encrypted sensor data transmission using APS layer security. Use Value: Sub-1 µA deep-sleep current enables >5-year CR123A battery life; integrated ceramic antenna ensures consistent RF performance in compact enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ZigBee PRO module applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| EM3581-RTR (Silicon Labs) | Based on EM358x SoC; requires external 32 MHz crystal and separate RF matching network; no integrated antenna | Higher RF design effort needed; supports ZigBee 3.0 and Thread; lacks pre-certification for integrated antenna | Choose when migrating to ZigBee 3.0/Thread or requiring higher TX power (>10 dBm) with external PA |
| CC2530F256RHAT (Texas Instruments) | Standalone SoC (not module); no pre-certification; requires full RF layout, antenna tuning, and FCC/CE testing | Lower BOM cost but significantly longer time-to-certification; limited memory (256 kB Flash, 8 kB RAM) vs. 128 kB/8 kB | Choose only for high-volume designs where full RF control and cost optimization outweigh certification schedule risk |
Compared with EM3581-RTR and CC2530F256RHAT, SPZB32W1A2.1 delivers fastest time-to-market via drop-in integration, eliminates RF validation overhead, and guarantees regulatory compliance - critical for OEMs targeting rapid deployment in smart energy and industrial IoT.
Availability
SPZB32W1A2.1 is available at Aetrix Electronics and suitable for smart energy gateways, industrial wireless sensor networks, and home automation hubs requiring stable component supply, pre-certified RF performance, and long-term lifecycle support.
Supply support for SPZB32W1A2.1 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, designing and manufacturing microcontrollers, analog ICs, MEMS, and wireless solutions for industrial, automotive, and consumer markets.
SPZB32W1A2.1 belongs to ST's ZigBee PRO module product line, engineered to accelerate wireless connectivity adoption by embedding certified RF functionality, robust protocol stacks, and low-power MCU resources into compact, ready-to-deploy modules.
FAQ
Does SPZB32W1A2.1 require external RF matching components?
No. The module integrates a tuned ceramic antenna and internal RF front-end, including balun and matching network, eliminating the need for external RF components. This simplifies PCB layout and ensures consistent radiated performance across production units without antenna tuning.
What firmware is preloaded on SPZB32W1A2.1 at shipment?
The module ships with EmberZNet PRO stack v3.2 or later pre-flashed, supporting ZigBee PRO 2007 feature set. ST provides updated firmware images and bootloader tools via its official website, enabling field upgrades without JTAG reprogramming.
Can SPZB32W1A2.1 operate in boost mode continuously?
No. Boost mode (+8 dBm output) increases current draw to ~45 mA and is intended for short-duration transmissions only. Continuous use risks thermal derating and violates FCC spectral mask requirements; standard +3 dBm mode is recommended for sustained operation.
Is JTAG debugging supported after flash programming?
Yes. The JTCK, JTMS, JTDI, JTDO, and NRST pins remain fully functional for boundary-scan and SWD debugging regardless of flash content. SWO and TRACEDATA[0:3] pins enable real-time instruction trace and variable watch without halting CPU execution.
SPZB32W1A2.1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- Module
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- RF Family/Standard:
- 802.15.4
- Protocol:
- Zigbee®
- Modulation:
- -
- Frequency:
- 2.4GHz
- Data Rate:
- -
- Power - Output:
- 3dBm
- Sensitivity:
- -95dBm
- Serial Interfaces:
- I2C, JTAG, SPI, UART
- Antenna Type:
- Integrated, Chip
- Utilized IC / Part:
- STM32W
- Memory Size:
- 128kB Flash, 8kB RAM
- Voltage - Supply:
- 2.1V ~ 3.6V
- Current - Receiving:
- 28mA
- Current - Transmitting:
- 32mA
- Mounting Type:
- Surface Mount
- Operating Temperature:
- -40°C ~ 85°C
SPZB32W1A2.1 FAQ
1.How can I place an order for SPZB32W1A2.1 through Aetrix?
Please submit a Request for Quotation (RFQ) for SPZB32W1A2.1 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 SPZB32W1A2.1 reliable?
The price and inventory of SPZB32W1A2.1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPZB32W1A2.1 is usually 5 days.
3.What payment methods are accepted for SPZB32W1A2.1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPZB32W1A2.1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPZB32W1A2.1?
SPZB32W1A2.1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPZB32W1A2.1 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 SPZB32W1A2.1?
For technical support, including SPZB32W1A2.1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPZB32W1A2.1 requirements.
6.How does Aetrix verify that SPZB32W1A2.1 is sourced from the original manufacturer or authorized distributors?
All SPZB32W1A2.1 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 SPZB32W1A2.1 meets industry standards.
7.What is the process for return or replacement of SPZB32W1A2.1?
All SPZB32W1A2.1 units undergo pre-shipment inspection (PSI). If there is an issue with SPZB32W1A2.1, 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 SPZB32W1A2.1 part is unused and in its original packaging.
Return procedure for SPZB32W1A2.1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SPZB32W1A2.1 Tags
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ESP32-C3FH4
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ESP32-S2FH4
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ESP32-S2FN4R2
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ESP32-C3-MINI-1U-N4
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ESP32-C3-MINI-1U-H4
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ESP32-C3-WROOM-02U-N4
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ESP32-H2-MINI-1-N4
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ESP32-H2-MINI-1-H4
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