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Renesas ZWIR4512AC2RI
- Part No.:
- ZWIR4512AC2RI
- Manufacturer:
- Renesas
- Category:
- RF Transceiver ICs
- Package:
- 32-BELGA Module
- Datasheet:
-
ZWIR4512AC2RI.pdf
- Description:
- IC RF TXRX+MCU ISM<1GHZ 32LGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,328
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Product details
Overview
ZWIR4512AC2RI from Integrated Device Technology (IDT) is a secure, programmable wireless IPv6 module integrating an STM32F103RC ARM® Cortex™-M3 MCU and IDT ZWIR4502 transceiver. It delivers 6LoWPAN mesh networking, IPSec/IKEv2 end-to-end security, and operates in 868/915MHz bands with up to 10dBm TX output (US mode), -110dBm RX sensitivity, and 3.5µA standby current - enabling battery-powered industrial sensor nodes.
For engineers reviewing the ZWIR4512AC2RI datasheet, ZWIR4512AC2RI pinout, ZWIR4512AC2RI application, or ZWIR4512AC2RI equivalent, this module serves as a self-contained, FCC/ETSI-certified solution requiring no external microcontroller, no RF design, and supporting C-API firmware development, over-the-air updates, and plug-and-play integration into IPv6-based IoT gateways and edge devices.
Technical Context
The ZWIR4512AC2RI implements a full 6LoWPAN stack with mesh routing on an ARM Cortex-M3 core running at up to 64MHz, using 192kB flash and 32kB RAM. Its radio subsystem uses IEEE 802.15.4-compliant BPSK/O-QPSK modulation across 10 US or 4 EU channels, with hardware-accelerated IPSec/IKEv2 for IPv6 packet encryption and key negotiation.
Hardware abstraction is provided via dual firmware interfaces: a serial command interface (SCI) for modem-style control and a C-API for embedded application development. All peripheral I/Os - including 21 GPIOs, 2x UART, SPI, I²C, USB, CAN, 3x ADC, 2x DAC, 11x PWM, and 8x timers - are exposed through the 32-pin LGA package with validated pin mapping per STMicroelectronics STM32F103RC.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Wireless Standard | IEEE 802.15.4-compliant 6LoWPAN with mesh routing - enables IPv6 packet transmission over low-power wireless PANs without gateway translation. |
| Security Protocol | Standard-compliant IPSec/IKEv2 - provides authenticated, encrypted end-to-end communication across untrusted network hops. |
| RF Performance | -110dBm receiver sensitivity (BPSK, EU); 10dBm max TX power (US mode) - ensures robust link budget in noisy industrial environments. |
| Power Consumption | 3.5µA in Standby Mode - extends battery life to multi-year operation in sensor endpoints with periodic wake-up. |
| MCU Core | ARM Cortex-M3 @ up to 64MHz - executes real-time protocol stack and user application concurrently with deterministic timing. |
| Memory Resources | 192kB flash / 32kB RAM - accommodates full 6LoWPAN+IPSec stack plus custom application logic without external memory. |
| Operating Voltage | 2.0V–3.6V supply range - compatible with common Li-ion, Li-SOCl₂, and coin-cell battery systems. |
| Regulatory Certifications | FCC Part 15.247 & ETSI EN 300 328 certified - eliminates need for customer-level RF compliance testing. |
Pinout & Package
The ZWIR4512AC2RI uses a 32-pin land grid array (LGA) package with 0.5mm pitch, designed for automated SMT assembly and RF-integrated PCB layouts. All pins are electrically validated per IDT's ZWIR4512AC2 pinout documentation and STM32F103RC reference design.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1–9, 13–14, 17–26 | GPIO / Peripheral Multiplexed I/O | 21 configurable digital I/Os supporting UART1/2, SPI1, I²C, USB, CAN, ADC, DAC, PWM, timers - mapped directly to STM32F103RC ports PA0–PA15, PB3, PB6–PB7, PC13–PC15. |
| 10 | VSTDBY (VBAT) | Alternative standby power rail - maintains RTC and backup registers during main VCC removal, enabling fast wake-up from ultra-low-power state. |
| 11 | /RESET (NRST) | Active-low reset input - asserts hardware reset on falling edge; 5V-tolerant for compatibility with legacy host logic. |
| 12, 28, 30, 32 | GND | Dedicated ground terminals - provide low-impedance return paths for digital, analog, RF, and power domains to minimize noise coupling. |
| 15 | VCC | Main 2.0–3.6V supply input - powers MCU core, peripherals, and transceiver; requires local 10µF + 100nF decoupling per datasheet layout guidelines. |
| 16 | BSEL (BOOT0) | Boot mode selection - sets MCU boot source (system memory vs. main flash) during power-on reset; pulled internally high. |
| 21–24 | JTAG/SWD Debug | TCK/TMS/TDI/TDO pins - enable full boundary-scan debugging and firmware programming via standard ARM debug probes. |
| 29 | ANT | Differential RF antenna interface - connects directly to 50Ω PCB trace or chip antenna; requires impedance-matched layout per RF section of datasheet. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated 6LoWPAN Stack | Royalty-free, user-programmable stack with mesh routing - eliminates third-party licensing costs and enables field-upgradable network topology logic. |
| Hardware-Programmed EUI-64 | Guaranteed globally unique 64-bit MAC address - ensures zero-configuration IPv6 addressing and avoids manual MAC management in large-scale deployments. |
| Over-the-Air Update (OTAU) | Secure firmware update capability via SCI or C-API - enables remote patching of security vulnerabilities and feature enhancements without physical access. |
| 5V-Tolerant GPIOs | Select pins (PA9, PA10, PA11, PA12, PB6, PB7) tolerate 5V logic - simplifies interfacing with legacy 5V sensors, actuators, and level-shifting circuits. |
| Multi-Mode Power Management | Four defined low-power states (Run, Sleep, Stop, Standby) with sub-µA retention - allows precise energy budgeting for duty-cycled sensor applications. |
| Pre-Certified Radio Subsystem | ETSI/FCC-compliant RF front-end with integrated ZWIR4502 transceiver - removes RF design risk and accelerates time-to-certification for end equipment. |
Applications
| Smart Metering Node | Industrial Wireless Sensor |
|---|---|
Use Scenario: Battery-powered electricity/gas/water meter transmitting consumption data hourly to a neighborhood gateway via IPv6 mesh network. IC Role / Device Role / Timing Role: Self-contained IPv6 endpoint performing 6LoWPAN header compression, IPSec encryption, and scheduled RF transmission with precise wake-up timing. Use Value: 3.5µA standby current enables >10-year battery life; EUI-64 ensures automatic IPv6 address assignment across thousands of meters without DHCP server dependency. |
Use Scenario: Vibration, temperature, and humidity monitoring in factory machinery with edge analytics and alarm reporting over secured wireless link. IC Role / Device Role / Timing Role: Real-time data acquisition hub using 3x ADC channels and 2x DAC outputs, executing local anomaly detection before encrypted upload. Use Value: Integrated ARM Cortex-M3 handles both sensor fusion algorithms and protocol stack - eliminating need for separate host MCU and reducing BOM count by one IC. |
| Health Monitoring Patch | Building Automation Actuator |
Use Scenario: Wearable ECG/SpO₂ patch transmitting clinical-grade biometric data to nursing station via hospital IPv6 infrastructure. IC Role / Device Role / Timing Role: Secure medical data transmitter enforcing HIPAA-compliant end-to-end encryption via IPSec/IKEv2 before RF transmission. Use Value: FCC/ETSI certification and pre-validated RF layout reduce regulatory submission effort; USB interface enables clinical calibration and firmware updates via standard PC tools. |
Use Scenario: Wireless HVAC valve controller receiving setpoint commands from building management system and reporting position feedback. IC Role / Device Role / Timing Role: Bidirectional IPv6 node supporting CoAP/HTTP over 6LoWPAN, with CAN interface for legacy actuator bus integration. Use Value: Dual UART + CAN + I²C interfaces allow seamless bridging between IP networks and existing fieldbus systems - avoiding proprietary gateway hardware. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar secure wireless IPv6 module applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Silicon Labs EFR32MG21A020F1024IM32 | Higher TX power (20dBm), larger flash (1024kB), but no built-in IPSec/IKEv2 - requires external software stack or Secure Element. | Targets longer-range outdoor mesh; lacks pre-integrated IPv6 security libraries and OTAU framework. | Choose when RF range >1km is required and security stack can be implemented externally. |
| TI CC2652R1F | Supports BLE 5.0 + IEEE 802.15.4 but no native 6LoWPAN stack or IPSec - relies on TI-RTOS and SimpleLink SDK for IPv6 layer. | Optimized for dual-mode BLE/Zigbee coexistence; lacks pre-certified 915MHz band support and EUI-64 guarantee. | Choose for mixed-protocol environments where BLE provisioning is mandatory and IPv6 is secondary. |
Compared with EFR32MG21A020F1024IM32 and CC2652R1F, the ZWIR4512AC2RI uniquely integrates a production-ready, royalty-free 6LoWPAN+IPSec stack with guaranteed EUI-64 and FCC/ETSI certification - reducing firmware development time by ~6 months and eliminating external security co-processor cost.
Availability
ZWIR4512AC2RI is available at Aetrix Electronics and suitable for smart metering, industrial predictive maintenance, medical telemetry, and building automation systems requiring stable component supply, long-lifecycle assurance, and pre-validated RF performance.
Supply support for ZWIR4512AC2RI 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
Integrated Device Technology (IDT), now part of Renesas Electronics, designs high-performance timing, memory interface, RF, and wireless power solutions for communications, computing, and industrial markets.
The ZWIR4512AC2RI belongs to IDT's ZWIR45xx family of secure wireless IPv6 modules, engineered specifically for battery-operated IoT endpoints needing standards-compliant 6LoWPAN networking, hardware-rooted security, and minimal RF integration effort.
FAQ
What wireless protocols does the ZWIR4512AC2RI natively support?
The ZWIR4512AC2RI natively supports IEEE 802.15.4 physical and MAC layers with a full, royalty-free 6LoWPAN stack implementing IPv6 header compression, mesh routing, and Neighbor Discovery. It does not support Zigbee, Thread, or BLE stacks - those require external software implementation. The ZWIR4512AC2RI firmware exclusively targets 6LoWPAN over 868/915MHz bands.
Does the ZWIR4512AC2RI include a unique MAC address, and how is it provisioned?
Yes, the ZWIR4512AC2RI includes a factory-programmed, globally unique EUI-64 address stored in one-time programmable memory. This address is guaranteed collision-free and used automatically by the 6LoWPAN stack for IPv6 address generation. No user provisioning or MAC address management is required - the ZWIR4512AC2RI uses it directly upon boot.
Can the ZWIR4512AC2RI operate in both European and US frequency bands, and how is band selection configured?
Yes, the ZWIR4512AC2RI supports both 868MHz (EU) and 915MHz (US) ISM bands. Band selection is controlled at runtime via firmware configuration - no hardware change is needed. EU mode provides 4 channels and 5dBm max TX power; US mode enables 10 channels and up to 10dBm TX power, with corresponding modulation rates (BPSK/QPSK) optimized per region.
What debug and programming interfaces are available on the ZWIR4512AC2RI?
The ZWIR4512AC2RI provides JTAG and SWD interfaces via pins 21–24 (TCK, TMS, TDI, TDO) for full-featured debugging and firmware programming using standard ARM-compatible tools like ST-Link, J-Link, or CMSIS-DAP. No external debugger is required - the ZWIR4512AC2RI supports flash programming, breakpoint setting, and real-time variable inspection out of the box.
Is external RF matching or antenna tuning required when using the ZWIR4512AC2RI?
No, external RF matching is not required. The ZWIR4512AC2RI integrates a fully matched RF front-end with differential antenna port (pin 29) designed for direct connection to a 50Ω PCB trace or chip antenna. IDT provides validated layout guidelines and reference schematics - users only need to follow those instructions to achieve FCC/ETSI compliance without RF expertise.
ZWIR4512AC2RI Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 32-BELGA Module
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Type:
- TxRx + MCU
- RF Family/Standard:
- General ISM < 1GHz
- Protocol:
- 6LoWPAN
- Modulation:
- BPSK, O-QPSK
- Frequency:
- 868MHz ~ 915MHz
- Data Rate (Max):
- 250kbps
- Power - Output:
- 10dBm
- Sensitivity:
- -110dBm
- Memory Size:
- -
- Serial Interfaces:
- I2C, SPI, UART
- GPIO:
- 21
- Voltage - Supply:
- 2V ~ 3.6V
- Current - Receiving:
- 10.5mA
- Current - Transmitting:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 32-LGA (22.9x14.9)
ZWIR4512AC2RI FAQ
1.How can I place an order for ZWIR4512AC2RI through Aetrix?
Please submit a Request for Quotation (RFQ) for ZWIR4512AC2RI 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 ZWIR4512AC2RI reliable?
The price and inventory of ZWIR4512AC2RI are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZWIR4512AC2RI is usually 5 days.
3.What payment methods are accepted for ZWIR4512AC2RI?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZWIR4512AC2RI transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ZWIR4512AC2RI?
ZWIR4512AC2RI orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ZWIR4512AC2RI 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 ZWIR4512AC2RI?
For technical support, including ZWIR4512AC2RI datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZWIR4512AC2RI requirements.
6.How does Aetrix verify that ZWIR4512AC2RI is sourced from the original manufacturer or authorized distributors?
All ZWIR4512AC2RI 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 ZWIR4512AC2RI meets industry standards.
7.What is the process for return or replacement of ZWIR4512AC2RI?
All ZWIR4512AC2RI units undergo pre-shipment inspection (PSI). If there is an issue with ZWIR4512AC2RI, 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 ZWIR4512AC2RI part is unused and in its original packaging.
Return procedure for ZWIR4512AC2RI:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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