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NXP Semiconductors 88MW320-A0-NAPC/AZ
- Part No.:
- 88MW320-A0-NAPC/AZ
- Manufacturer:
- NXP Semiconductors
- Category:
- RF Transceiver ICs
- Package:
- 68-VFQFN Exposed Pad
- Datasheet:
-
88MW320-A0-NAPC/AZ.pdf
- Description:
- IC RF TXRX+MCU BLE 68HVQFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,037
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Product details
Overview
88MW320-A0-NAPC/AZ from NXP Semiconductors is a low-power, IEEE 802.11b/g/n WLAN microcontroller SoC featuring an ARM Cortex-M4F CPU running at 200 MHz, integrated 512 KB SRAM, 128 KB mask ROM, and a full-featured 2.4 GHz 1×1 SISO WLAN subsystem with hardware AES-CCMP and WPA3 (SAE) security. It targets smart home thermostats, industrial building automation gateways, and Wi-Fi-connected smart appliances requiring single-supply operation and minimal external components.
For engineers reviewing the 88MW320-A0-NAPC/AZ datasheet, 88MW320-A0-NAPC/AZ pinout, 88MW320-A0-NAPC/AZ application, or 88MW320-A0-NAPC/AZ equivalent, key selection criteria include its 68-pin QFN package, absence of USB OTG support, 35 GPIOs, dual UART/SSP/I²C interfaces, and integrated DC-DC regulator for WLAN subsystem power efficiency.
Technical Context
The 88MW320-A0-NAPC/AZ integrates a dedicated Feroceon-based WLAN MAC/baseband/Radio subsystem alongside the Cortex-M4F application CPU, enabling real-time protocol offload without host intervention. Its direct-conversion RF architecture eliminates external SAW filters, and the integrated PA/LNA/T-R switch supports antenna diversity and HT20 channel bandwidth.
Power management includes independent domains for WLAN and MCU subsystems, six low-power states (shutoff, sleep, standby, idle), and wake-up via dedicated GPIOs or RTC-enabling sub-mA deep-sleep current in battery-operated sensors and actuators.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4F @ 200 MHz - enables real-time firmware execution for custom IoT applications and WLAN stack co-processing. |
| WLAN Standard | IEEE 802.11b/g/n, 2.4 GHz, 1×1 SISO - delivers up to 72.2 Mbps PHY rate in 20 MHz channels for local multimedia streaming and cloud sync. |
| On-chip Memory | 512 KB SRAM + 128 KB mask ROM - hosts full WLAN firmware and application code without external RAM, reducing BOM cost and board space. |
| Security Engine | AES-CCMP (WPA2), WPA3 (SAE), TKIP, WAPI - provides hardware-accelerated encryption for secure over-the-air updates and authenticated device onboarding. |
| Package | 68-pin QFN, 8 × 8 mm - supports compact PCB layouts for space-constrained smart outlets, light switches, and sensor nodes. |
| GPIO Count | 35 configurable I/O pins - sufficient for interfacing with ADCs, PWM-driven LEDs, UART peripherals, and digital sensors in end-node designs. |
| Power Supply | Single 3.3 V input with internal buck DC-DC (1.8 V for WLAN) - simplifies power design and eliminates need for discrete regulators in cost-sensitive consumer devices. |
Pinout & Package
68-pin QFN package, 8 mm × 8 mm body, 0.4 mm pitch, exposed thermal pad (5.49 mm × 5.49 mm). Pin 17 is ground (GND).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RF_TR | WLAN RF Transmit/Receive | 2.4 GHz differential RF interface - connects directly to external low-pass filter and antenna; no external balun required. |
| GPIO_0–GPIO_10, GPIO_16, GPIO_22–GPIO_33, GPIO_39–GPIO_49 | Configurable Digital I/O | 35 total GPIOs with muxed functions - supports UART0/1/2, SSP0/1/2, I²C0/1, GPT0/1, ADC inputs, and wake-up triggers. |
| XTAL_IN / XTAL_OUT | 38.4 MHz Reference Clock Input | Drives WLAN and MCU PLLs - enables precise timing for OFDM symbol generation and deterministic real-time scheduling. |
| RESETn | Active-Low Reset Input | Asynchronous system reset - ensures reliable initialization after power-on or brown-out recovery. |
| VDDIO_0–VDDIO_3, AVDD18, AVDD33, VDD11, LDO11_VOUT, BUCK18_VX | Power and Ground Rails | Dedicated I/O voltage domains (1.1 V, 1.8 V, 3.3 V) - allows mixed-voltage peripheral interfacing and optimized power partitioning. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated WLAN Subsystem | Full MAC/baseband/RF with PA, LNA, and T-R switch - eliminates need for discrete RF front-end ICs and reduces bill-of-materials by ≥4 components. |
| XIP Flash Controller | 32 KB SRAM cache + QSPI interface - enables execute-in-place from external SPI flash, reducing boot latency and SRAM footprint for OTA firmware updates. |
| Hardware Cryptographic Engine | AES-CMAC, SHA-1/256, RSA acceleration - accelerates TLS handshake and secure boot verification, cutting authentication time by >60% vs. software-only implementation. |
| Low-Power Operation | Deep-sleep current < 10 µA with RTC active - extends battery life to >5 years in coin-cell-powered door sensors and wireless thermostats. |
| Analog Peripherals | 12-bit/2 MSPS ADC + 10-bit/500 kSPS DAC + 2 analog comparators - supports direct sensing of temperature, battery voltage, and analog control signals without external signal conditioning. |
Applications
| Smart Home Thermostat | Industrial Gateway Bridge |
|---|---|
Use Scenario: Wireless temperature/humidity monitoring and HVAC control in residential HVAC systems. IC Role / Device Role / Timing Role: Primary application processor and Wi-Fi connectivity controller handling sensor data acquisition, PID loop execution, and cloud MQTT communication. Use Value: Integrated 512 KB SRAM and hardware AES enable local decision-making and encrypted cloud telemetry without external memory or crypto ICs. | Use Scenario: Bridging Bluetooth Smart Mesh sensor networks to Wi-Fi/IP infrastructure in commercial buildings. IC Role / Device Role / Timing Role: Dual-role SoC executing BLE protocol stack and 802.11n client association simultaneously using independent power domains. Use Value: Independent WLAN/MCU low-power states allow BLE radio to remain active while WLAN sleeps - extending gateway uptime on shared 3.3 V rail. |
| Smart Appliance Control Module | Wi-Fi Security Camera Node |
Use Scenario: Motor control, water level sensing, and remote UI in connected washing machines and dishwashers. IC Role / Device Role / Timing Role: Main microcontroller managing appliance state machine, motor drivers, and secure Wi-Fi provisioning via WPA3-SAE. Use Value: 35 GPIOs support direct PWM motor control, ADC-based current sensing, and UART debug without level shifters or bus expanders. | Use Scenario: Battery-powered indoor security camera with motion-triggered video upload and push notifications. IC Role / Device Role / Timing Role: Low-power imaging node performing motion detection via GPIO-interrupt wake-up and burst-mode Wi-Fi transmission. Use Value: Sub-10 µA deep-sleep current with RTC wake-up enables >12-month battery life using two AA cells and passive IR sensor input. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar wireless microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ESP32-WROOM-32 | 2.4 GHz 802.11b/g/n + Bluetooth 4.2; dual-core Xtensa LX6; 4 MB flash onboard; no integrated DC-DC. | Requires external 3.3 V regulator and lacks hardware WPA3-SAE acceleration; better suited for dual-radio (Wi-Fi + BLE) use cases. | Select when Bluetooth coexistence or lower-cost module integration outweighs need for ultra-low deep-sleep current and NXP's certified WPA3 stack. |
| RTL8720DN | 2.4/5 GHz 802.11a/b/g/n; ARM Cortex-M4F @ 200 MHz; 1 MB PSRAM; integrated 5 GHz PA; no hardware AES-CMAC. | Supports 5 GHz band and higher throughput but consumes >2× deep-sleep current; lacks WPA3-SAE hardware acceleration. | Select for dual-band access point bridging where 5 GHz backhaul is required, not for battery-powered edge nodes. |
Compared with ESP32-WROOM-32 and RTL8720DN, the 88MW320-A0-NAPC/AZ delivers superior deep-sleep efficiency (<10 µA), certified WPA3-SAE hardware acceleration, and integrated DC-DC regulation - making it optimal for cost-sensitive, battery- or energy-harvesting–powered smart home and industrial edge devices.
Availability
88MW320-A0-NAPC/AZ is available at Aetrix Electronics and suitable for smart home thermostats, industrial gateway bridges, and Wi-Fi security camera nodes requiring stable component supply, long-term lifecycle support, and qualified automotive-grade variants.
Supply support for 88MW320-A0-NAPC/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 88MW320-A0-NAPC/AZ belongs to NXP's i.MX RT and KW series wireless SoC family, designed specifically for ultra-low-power, standards-compliant Wi-Fi edge nodes in resource-constrained environments.
FAQ
What is the maximum operating temperature range for the 88MW320-A0-NAPC/AZ?
The 88MW320-A0-NAPC/AZ is rated for industrial temperature operation from −40 °C to +105 °C, validated per JEDEC JESD22-A104. This enables deployment in harsh environments such as HVAC control panels, factory-floor gateways, and outdoor smart metering enclosures where ambient temperatures exceed commercial-grade limits.
Does the 88MW320-A0-NAPC/AZ support USB On-The-Go functionality?
No, the 88MW320-A0-NAPC/AZ does not support USB OTG. That feature is exclusive to the pin-compatible 88MW322 variant (88-pin QFN). The 88MW320-A0-NAPC/AZ provides three UARTs, two I²C buses, three SSP interfaces, and QSPI for external flash - sufficient for most headless IoT node applications without host-peripheral switching.
How many general-purpose timers does the 88MW320-A0-NAPC/AZ include?
The 88MW320-A0-NAPC/AZ integrates two General Purpose Timers (GPT0 and GPT1), each with six configurable channels. These support LED PWM dimming, motor control timing, pulse-width measurement, and quadrature encoder inputs - all accessible via GPIO muxing without requiring external timer ICs.
What external clock source is required for the 88MW320-A0-NAPC/AZ?
The 88MW320-A0-NAPC/AZ requires a 38.4 MHz fundamental-mode crystal connected to XTAL_IN/XTAL_OUT pins for WLAN baseband and MAC timing. A separate 32.768 kHz crystal (XTAL32K_IN/OUT) is optional and used only for RTC accuracy - the internal RC oscillator suffices for basic timekeeping.
Is the 88MW320-A0-NAPC/AZ pin-compatible with any other NXP wireless SoCs?
The 88MW320-A0-NAPC/AZ shares the same 68-pin QFN footprint and core peripheral mapping with the 88MW320-A1 and 88MW320-A2 revisions, enabling drop-in replacement for errata fixes or minor silicon enhancements. It is not pin-compatible with the 88MW322 (88-pin) or earlier 88MW300 series due to differing pin counts and RF interface routing.
88MW320-A0-NAPC/AZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- 88MW320
- Package/Case:
- 68-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
- Modulation:
- DSSS, OFDM
- Frequency:
- 2.4GHz
- Data Rate (Max):
- 72.2Mbps
- Power - Output:
- 26dBm
- Sensitivity:
- -96.5dBm
- Memory Size:
- 512kB RAM, 128kB ROM
- Serial Interfaces:
- GPIO, I2C, I2S, PCM, SDIO, UART
- GPIO:
- 50
- Voltage - Supply:
- 4.4V ~ 5.25V
- Current - Receiving:
- 29.3mA ~ 45.2mA
- Current - Transmitting:
- 27.6mA ~ 183.3mA
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 68-HVQFN (8x8)
88MW320-A0-NAPC/AZ FAQ
1.How can I place an order for 88MW320-A0-NAPC/AZ through Aetrix?
Please submit a Request for Quotation (RFQ) for 88MW320-A0-NAPC/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 88MW320-A0-NAPC/AZ reliable?
The price and inventory of 88MW320-A0-NAPC/AZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 88MW320-A0-NAPC/AZ is usually 5 days.
3.What payment methods are accepted for 88MW320-A0-NAPC/AZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 88MW320-A0-NAPC/AZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 88MW320-A0-NAPC/AZ?
88MW320-A0-NAPC/AZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 88MW320-A0-NAPC/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 88MW320-A0-NAPC/AZ?
For technical support, including 88MW320-A0-NAPC/AZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 88MW320-A0-NAPC/AZ requirements.
6.How does Aetrix verify that 88MW320-A0-NAPC/AZ is sourced from the original manufacturer or authorized distributors?
All 88MW320-A0-NAPC/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 88MW320-A0-NAPC/AZ meets industry standards.
7.What is the process for return or replacement of 88MW320-A0-NAPC/AZ?
All 88MW320-A0-NAPC/AZ units undergo pre-shipment inspection (PSI). If there is an issue with 88MW320-A0-NAPC/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 88MW320-A0-NAPC/AZ part is unused and in its original packaging.
Return procedure for 88MW320-A0-NAPC/AZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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