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NXP Semiconductors 88MW302-B0-NXUE/AZ
- Part No.:
- 88MW302-B0-NXUE/AZ
- Manufacturer:
- NXP Semiconductors
- Category:
- RF Transceiver ICs
- Package:
- 88-VFQFN Exposed Pad
- Datasheet:
-
88MW302-B0-NXUE/AZ.pdf
- Description:
- IC RF TXRX+MCU BLE 88HVQFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,547
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Product details
Overview
88MW302-B0-NXUE/AZ from NXP Semiconductors is a wireless microcontroller SoC integrating an ARM Cortex-M4F CPU (200 MHz), IEEE 802.11b/g/n WLAN subsystem (2.4 GHz, 1×1 SISO), 512 KB SRAM, 128 KB mask ROM, USB 2.0 OTG, and hardware cryptographic acceleration. It targets low-power IoT edge nodes requiring integrated Wi-Fi connectivity and local application processing - such as smart thermostats and security cameras.
For engineers reviewing the 88MW302-B0-NXUE/AZ datasheet, 88MW302-B0-NXUE/AZ pinout, 88MW302-B0-NXUE/AZ application, or 88MW302-B0-NXUE/AZ equivalent, key selection criteria include its 88-pin QFN package, USB OTG support, 50 GPIOs, integrated DC-DC regulator, and dual-domain power management enabling independent WLAN and MCU sleep states.
Technical Context
The 88MW302-B0-NXUE/AZ implements a dual-subsystem architecture: a dedicated Feroceon-based WLAN MAC/baseband/RF radio with integrated PA/LNA/T-R switch, and an ARM Cortex-M4F application processor running at up to 200 MHz. The WLAN subsystem handles real-time protocol processing offloading the main CPU.
It uses a direct-conversion RF architecture eliminating external SAW filters, supports HT20 802.11n up to 72.2 Mbps, and integrates a fractional-N synthesizer for flexible reference clock support (38.4 MHz crystal). Power management includes independent domains, deep-sleep modes, and wake-up via GPIO/RTC/IRQ.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4F @ 200 MHz - enables real-time application firmware execution with floating-point and DSP extensions. |
| Wi-Fi Standard | IEEE 802.11b/g/n (2.4 GHz, HT20) - supports legacy and modern Wi-Fi clients with max PHY rate of 72.2 Mbps. |
| Memory | 512 KB SRAM + 128 KB mask ROM - sufficient for concurrent WLAN stack and application code without external RAM. |
| USB Interface | USB 2.0 OTG (high-speed) - enables host/device roles for peripheral attachment (e.g., audio codecs, flash drives) without bridge ICs. |
| GPIO Count | 50 programmable GPIOs - supports extensive sensor/actuator interfacing and multiplexed peripheral functions (UART, I²C, SSP, GPT). |
| Power Management | Integrated buck DC-DC (1.8 V WLAN rail) + multiple low-power states - reduces system BOM and enables battery-operated operation with fast wake-up. |
| Security | AES-CCMP (WPA2), WPA3-SAE, TKIP, CMAC, Secure Boot - meets baseline IoT authentication and data confidentiality requirements. |
Pinout & Package
88MW302-B0-NXUE/AZ is housed in an 88-pin QFN package (10 mm × 10 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are highly muxed across GPIOs, supporting flexible board design while minimizing footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| GPIO_0–GPIO_49 | Digital I/O / Peripheral Mux | Supports UART, I²C, SSP, GPT, QSPI, ADC/DAC, and wake-up functions - eliminates need for glue logic. |
| RF_TR | WLAN RF Transmit/Receive | Direct 2.4 GHz antenna interface with integrated T/R switch - requires only external low-pass filter. |
| USB_DP / USB_DM | USB 2.0 Differential Data | High-speed (480 Mbps) bidirectional signaling for OTG host/device mode - compliant with USB 2.0 specification. |
| USB_ID | OTG Role Detection | Determines host/device role during cable attach - enables automatic mode switching without software polling. |
| XTAL_IN / XTAL_OUT | 38.4 MHz Crystal Interface | Drives internal PLL for WLAN and system clocks - eliminates need for external oscillator. |
| RESETn | Active-Low Reset Input | Synchronous de-assertion required for reliable boot - compatible with standard reset supervisor ICs. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated WLAN + MCU | Single-chip solution replaces discrete Wi-Fi module + host MCU - reduces PCB area, BOM count, and interconnect complexity. |
| USB OTG 2.0 | Enables direct connection to USB audio/video peripherals or mass storage - no external USB controller or level-shifting required. |
| Hardware Crypto Engine | Offloads AES-CCMP, TKIP, CMAC, and SHA-1/256 operations - preserves CPU cycles for application logic and ensures deterministic encryption latency. |
| QSPI Flash Controller | Supports XIP execution from external SPI Flash using 32 KB SRAM cache - accelerates boot time and firmware updates without DRAM. |
| Multi-Domain Power Control | Independent shutdown of WLAN and MCU subsystems - allows selective power gating (e.g., keep WLAN active while MCU sleeps) for optimized energy use. |
Applications
| Smart Thermostat | Wi-Fi Security Camera |
|---|---|
Use Scenario: Local temperature sensing, HVAC control, and cloud-based scheduling via Wi-Fi. IC Role / Device Role / Timing Role: Primary application processor and Wi-Fi network interface - handles sensor acquisition, PID control, and TLS-secured MQTT communication. Use Value: Integrated 512 KB SRAM and secure boot eliminate external memory and simplify certification; USB OTG enables local firmware update via USB stick. | Use Scenario: Real-time video streaming over Wi-Fi with motion-triggered alerts and local storage. IC Role / Device Role / Timing Role: Dual-role SoC managing image sensor interface (via SSP/I²S), H.264 encoding assist, and 802.11n transmission. Use Value: Hardware crypto engine accelerates WPA2/WPA3 handshake and video stream encryption; 50 GPIOs support PIR, LED, and SD card control. |
| Smart Outlet | Home Gateway Bridge |
Use Scenario: Remote on/off control, energy monitoring, and integration into Matter/Thread ecosystems via Wi-Fi uplink. IC Role / Device Role / Timing Role: Wi-Fi endpoint with local decision-making - runs lightweight RTOS, manages relay drivers, and reports via encrypted HTTP/Matter. Use Value: Low-power sleep modes (<10 µA RTC wake) extend battery backup life; integrated DC-DC improves efficiency over linear regulators. | Use Scenario: Bridging Bluetooth Smart/Zigbee sensors to Wi-Fi/IP networks in residential gateways. IC Role / Device Role / Timing Role: Protocol translation hub - hosts BLE/Zigbee stacks on Cortex-M4F while maintaining concurrent 802.11n AP/client connections. Use Value: Dual-domain power management allows BLE radio to remain active while WLAN idles; USB OTG supports debug console or firmware recovery. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar wireless microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ESP32-WROVER-E (Espressif) | 2.4 GHz Wi-Fi + Bluetooth 4.2/5, dual-core Xtensa LX6, 4 MB PSRAM onboard, no integrated DC-DC. | Stronger for Bluetooth coexistence and AI inference; lacks hardware WPA3-SAE and secure boot root-of-trust. | Prefer when Bluetooth + Wi-Fi dual-mode or large external RAM is required; verify power delivery for industrial temp range. |
| RTL8720DN (Realtek) | 2.4/5 GHz dual-band Wi-Fi, ARM Cortex-M4F @ 200 MHz, 1 MB SRAM, no USB OTG, different pinout and SDK. | Better for 5 GHz client applications; lacks USB OTG and has fewer GPIOs (32) and no integrated buck converter. | Consider for dual-band Wi-Fi needs where 5 GHz coverage is mandatory; expect layout redesign and driver porting effort. |
Compared with ESP32-WROVER-E and RTL8720DN, the 88MW302-B0-NXUE/AZ delivers superior integrated power management (buck DC-DC), certified WPA3-SAE security, and USB OTG - making it optimal for cost-sensitive, battery-aware, and security-critical Wi-Fi-only edge devices.
Availability
88MW302-B0-NXUE/AZ is available at Aetrix Electronics and suitable for smart home controllers, Wi-Fi-enabled appliances, industrial telemetry endpoints, and medical sensor hubs requiring stable component supply and long-term lifecycle support.
Supply support for 88MW302-B0-NXUE/AZ 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
NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.
The 88MW302-B0-NXUE/AZ belongs to NXP's i.MX RT and KW series wireless SoC family, designed specifically for ultra-low-power, secure, and standards-compliant Wi-Fi edge nodes in resource-constrained environments.
FAQ
What is the operating temperature range for the 88MW302-B0-NXUE/AZ?
The 88MW302-B0-NXUE/AZ is rated for industrial temperature operation from –40 °C to +85 °C, with storage range from –55 °C to +125 °C. This makes the 88MW302-B0-NXUE/AZ suitable for deployment in uncontrolled environments such as garage door openers, outdoor security cameras, and HVAC control units where ambient conditions exceed consumer-grade limits.
Does the 88MW302-B0-NXUE/AZ support WPA3 security?
Yes, the 88MW302-B0-NXUE/AZ supports WPA3-SAE (Simultaneous Authentication of Equals) as part of its hardware-accelerated security suite, alongside WPA2-AES-CCMP and WPA-TKIP. This capability is implemented in the on-die cryptographic engine and is enabled via NXP's official WLAN firmware - ensuring the 88MW302-B0-NXUE/AZ meets current Wi-Fi Alliance security certification requirements.
How many general-purpose timers does the 88MW302-B0-NXUE/AZ include?
The 88MW302-B0-NXUE/AZ integrates four General Purpose Timers (GPT0–GPT3), each with up to six configurable channels, supporting PWM generation, input capture, and LED dimming. These timers are accessible via GPIO muxing (e.g., GPIO_0–GPIO_5 for GPT0), and the 88MW302-B0-NXUE/AZ specifically supports four GPT instances - two more than the pin-compatible 88MW300 variant.
Is external Flash memory required for the 88MW302-B0-NXUE/AZ to operate?
Yes, the 88MW302-B0-NXUE/AZ requires external QSPI Flash for firmware storage, as its 128 KB mask ROM holds only bootloader and minimal WLAN initialization code. The integrated QSPI controller supports XIP execution using a 32 KB SRAM cache, allowing the 88MW302-B0-NXUE/AZ to run application code directly from Flash without loading into SRAM first - reducing boot latency and memory pressure.
What is the function of the USB_DRV_VBUS pin on the 88MW302-B0-NXUE/AZ?
The USB_DRV_VBUS pin on the 88MW302-B0-NXUE/AZ is a digital output that controls an external power management IC to drive 5 V onto the USB VBUS line during host-mode operation. When set high, it enables VBUS supply to attached peripherals; when low, VBUS is disabled. This pin is defined in Table 5 of the 88MW300/302 datasheet and is exclusive to the 88-pin 88MW302-B0-NXUE/AZ package - not present on the 68-pin 88MW300.
88MW302-B0-NXUE/AZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 88-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- Type:
- TxRx + MCU
- RF Family/Standard:
- Bluetooth, WiFi
- Protocol:
- 802.11n/g/b, Bluetooth, Zigbee®, Z-Wave®
- Modulation:
- DSSS, OFDM
- Frequency:
- 2.4GHz
- Data Rate (Max):
- 72.2Mbps
- Power - Output:
- -
- Sensitivity:
- -
- Memory Size:
- 128kB ROM, 512kB SRAM
- Serial Interfaces:
- I2C, I2S, PWM, SPI, UART
- GPIO:
- 50
- Voltage - Supply:
- 3.3V
- Current - Receiving:
- -
- Current - Transmitting:
- -
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 88-HVQFN (10x10)
88MW302-B0-NXUE/AZ FAQ
1.How can I place an order for 88MW302-B0-NXUE/AZ through Aetrix?
Please submit a Request for Quotation (RFQ) for 88MW302-B0-NXUE/AZ 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 88MW302-B0-NXUE/AZ reliable?
The price and inventory of 88MW302-B0-NXUE/AZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 88MW302-B0-NXUE/AZ is usually 5 days.
3.What payment methods are accepted for 88MW302-B0-NXUE/AZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 88MW302-B0-NXUE/AZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 88MW302-B0-NXUE/AZ?
88MW302-B0-NXUE/AZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 88MW302-B0-NXUE/AZ 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 88MW302-B0-NXUE/AZ?
For technical support, including 88MW302-B0-NXUE/AZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 88MW302-B0-NXUE/AZ requirements.
6.How does Aetrix verify that 88MW302-B0-NXUE/AZ is sourced from the original manufacturer or authorized distributors?
All 88MW302-B0-NXUE/AZ 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 88MW302-B0-NXUE/AZ meets industry standards.
7.What is the process for return or replacement of 88MW302-B0-NXUE/AZ?
All 88MW302-B0-NXUE/AZ units undergo pre-shipment inspection (PSI). If there is an issue with 88MW302-B0-NXUE/AZ, 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 88MW302-B0-NXUE/AZ part is unused and in its original packaging.
Return procedure for 88MW302-B0-NXUE/AZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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