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Renesas R7FA2E2A73CBY#HC1
- Part No.:
- R7FA2E2A73CBY#HC1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 16-UFBGA, WLCSP
- Datasheet:
-
R7FA2E2A73CBY#HC1.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 16WLCSP
- Quantity:
- Payment:
- Shipping:
Inventory:2,000
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Product details
Overview
R7FA2E2A73CBY#HC1 from Renesas Electronics is an ultra-low-power 32-bit Arm® Cortex®-M23 microcontroller operating at up to 48 MHz, featuring 64-KB code flash, 8-KB SRAM, 12-bit ADC and DAC, integrated CAN interface, and hardware security (AES128/256, TRNG). It targets battery-powered industrial sensors and smart metering endpoints requiring functional safety support and extended temperature operation.
For engineers reviewing the R7FA2E2A73CBY#HC1 datasheet, R7FA2E2A73CBY#HC1 pinout, R7FA2E2A73CBY#HC1 application, or R7FA2E2A73CBY#HC1 equivalent, key selection criteria include its -40°C to +105°C industrial temperature rating, WLCSP-16 package with 11 GPIOs, dual watchdog timers (WDT/IWDT), ECC-protected SRAM, and I3C/SPI/SCI communication interfaces for compact, robust edge-node designs.
Technical Context
The R7FA2E2A73CBY#HC1 implements the Armv8-M architecture with Memory Protection Unit (MPU) supporting eight regions, enabling secure partitioning of firmware and data. Its clock system integrates HOCO (48 MHz), MOCO (8 MHz), LOCO (32.768 kHz), and IWDT-dedicated oscillator (15 kHz), all with trim capability for precision timing across voltage and temperature.
System-level features include Event Link Controller (ELC) for CPU-free peripheral triggering, Data Transfer Controller (DTC) for autonomous memory transfers, and Clock Frequency Accuracy Measurement Circuit (CAC) for real-time oscillator calibration-critical for CAN bus synchronization and low-power wake-up accuracy in harsh environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M23 @ 48 MHz max; supports TrustZone-based secure execution and MPU-enforced memory isolation. |
| Memory | 64-KB code flash (100k erase cycles), 2-KB data flash, 8-KB SRAM with ECC/parity; enables field firmware updates and safe runtime data storage. |
| Analog Peripherals | 12-bit ADC12 (8 channels), 12-bit DAC12, on-die temperature sensor (TSN); supports precision sensor signal acquisition and analog output control. |
| Communication | CAN 2.0B, I3C ×1, SPI ×1, SCI ×1 (UART/I²C/SPI/Smart Card); provides automotive-grade serial connectivity and modern low-pin-count I3C for sensor hubs. |
| Timers & PWM | GPT16 ×6 (12 PWM outputs), AGTW ×2, WDT/IWDT; delivers motor control (BLDC via 3-phase PWM), event timing, and fail-safe reset redundancy. |
| Power & Safety | 1.6–5.5 V operation, low-power modes, LVD (3 thresholds), CAC, CRC, DOC, register write protection; ensures reliable operation under brown-out and validates data integrity. |
| Package & Temp | WLCSP-16 (1.84 mm × 1.87 mm, 0.4 mm pitch), -40°C to +105°C; enables ultra-compact PCB layouts in thermally demanding industrial enclosures. |
Pinout & Package
Package: WLCSP-16 (SUBG0016LB-A), 1.84 mm × 1.87 mm, 0.4 mm pitch, exposed die pad recommended connected to VSS.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P400 | CACREF input / AGTIO1 | Accepts external reference clock for CAC calibration; also serves as AGTW channel 1 event input for precise wake-up timing. |
| P401 | VCL supply / AGTEE1 | Stabilizes internal analog regulator (4.7 µF cap required); doubles as AGTW channel 1 enable signal for low-power event detection. |
| VCL | Analog regulator bypass | Must be decoupled with 4.7 µF capacitor to VSS; critical for ADC/DAC reference stability and low-noise operation. |
| VSS | Digital/analog ground | Common return path; exposed die pad should connect here to minimize thermal resistance and EMI. |
| VCC | Main power supply | 1.6–5.5 V input; requires 0.1 µF ceramic capacitor near pin to suppress high-frequency noise. |
| RES | Active-low reset input | Asynchronous reset assertion forces full system initialization; compatible with external supervisor ICs. |
| P201/MD | Mode select | Configures boot mode (single-chip vs. SCI boot) at power-on; must remain stable during reset release. |
| P300/SWCLK | SWD clock | Serial Wire Debug clock input; enables non-intrusive programming and real-time trace without dedicated JTAG pins. |
| P108/SWDIO | SWD data I/O | Bidirectional debug data line; shares pin with GPIO P108, allowing debug access without extra footprint. |
| P109 | CLKOUT / AGTOA1 | Programmable clock output (HOCO/MOCO/LOCO); also provides AGTW channel 1 match-A pulse for timer-driven peripherals. |
| P110 | AGTOA0 / GTIOC4B | AGTW channel 0 match-A output or GPT16 channel 4 complementary PWM output; supports flexible signal routing. |
| P111 | AGTOA0 / GTIOC6A | Shared function pin enabling either AGTW-generated timing pulses or GPT16 channel 6 PWM signals. |
| P112 | AGTOB0 / GTIOC6B | AGTW channel 0 match-B output or GPT16 channel 6 complementary PWM output; simplifies BLDC commutation logic. |
| P103 | AGTOB0 / GTIOC5A | AGTW channel 0 match-B output or GPT16 channel 5 PWM output; allows synchronized event generation and motor control. |
| P102 | AGTO0 / GTIOC5B | AGTW channel 0 output or GPT16 channel 5 complementary PWM output; supports dual-role timing and drive signals. |
| P101 | AGTEE0 / GTETRGB | AGTW channel 0 event enable or GPT16 external trigger B input; enables conditional timer activation based on external events. |
| P100 | AGTIO0 / GTETRGA | AGTW channel 0 event input or GPT16 external trigger A input; provides low-latency wake-up from deep sleep. |
| P015 | IRQ7 / AN019 | Maskable interrupt input or ADC12 channel 19 input; supports both digital event handling and analog sensing on same pin. |
| P014 | IRQ2 / AN009 | Interrupt request or ADC12 channel 9 input; enables shared use for fault signaling and sensor monitoring. |
| P011/VREFL0 | Analog ground / ADC ref low | ADC reference ground; must tie to VSS with low-inductance connection to ensure 12-bit conversion accuracy. |
| P010/VREFH0 | Analog supply / ADC ref high | ADC reference voltage input (1.6–VCC); connects to VCC when internal reference suffices, or external precision source otherwise. |
Key Features
| Feature | Design Value |
|---|---|
| Arm Cortex-M23 with TrustZone | Enables secure firmware partitioning and isolated execution of safety-critical code without external security chips. |
| ECC-protected 8-KB SRAM | Prevents silent data corruption in RAM during radiation exposure or voltage transients-essential for IEC 61508 SIL-2 compliance. |
| Dual watchdog architecture (WDT + IWDT) | Independent clock domains allow IWDT to recover from system lockups even if main clock fails, meeting ASIL-B requirements. |
| Integrated CAN 2.0B controller | Supports deterministic communication in industrial automation networks without external CAN transceivers or level-shifting components. |
| I3C bus interface | Reduces pin count vs. I²C while enabling dynamic address assignment and in-band interrupts-ideal for space-constrained sensor nodes. |
| Event Link Controller (ELC) | Permits direct peripheral-to-peripheral triggering (e.g., ADC conversion start → DMA transfer), eliminating CPU overhead and reducing latency. |
Applications
| Industrial Sensor Node | Smart Utility Meter |
|---|---|
Use Scenario: Battery-powered temperature/humidity/pressure sensor deployed in factory HVAC ducts or remote substations. IC Role / Device Role / Timing Role: Main controller executing sensor fusion, CAN-based reporting, and ultra-low-power sleep/wake cycles using AGTW timers. Use Value: 1.6–5.5 V operation and -40°C to +105°C rating ensure reliability across seasonal extremes; ECC SRAM prevents data corruption during voltage dips. | Use Scenario: Electricity/water/gas meter with tamper detection, metrology processing, and PLC or RF mesh backhaul. IC Role / Device Role / Timing Role: Host MCU managing metrology ADC sampling, cryptographic signing of consumption data, and secure over-the-air updates. Use Value: AES128/256 acceleration and TRNG enable FIPS-compliant key generation; 64-KB flash accommodates dual-bank firmware for safe OTA upgrades. |
| BLDC Motor Control Module | IoT Edge Gateway |
Use Scenario: Compact fan/pump driver in HVAC systems requiring closed-loop speed regulation and fault protection. IC Role / Device Role / Timing Role: Real-time motor commutation via GPT16 3-phase PWM outputs, current sensing via ADC12, and thermal shutdown via TSN. Use Value: Six GPT16 timers deliver 12 independent PWM outputs for trapezoidal/FOC control; IWDT guarantees recovery from software hangs during overload conditions. | Use Scenario: Low-cost gateway aggregating BLE/Zigbee sensors and forwarding data via Ethernet or cellular modem. IC Role / Device Role / Timing Role: Protocol bridge with SCI handling UART-based sensor comms, SPI driving display/flash, and I3C managing touch interface. Use Value: Single-chip integration of multiple serial protocols reduces BOM cost and PCB area; DTC offloads CPU during bulk sensor data transfers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA2E2A73CNJ | HWQFN-20 package (4 mm × 4 mm), 15 GPIOs, same core/peripherals/temperature grade (-40°C to +105°C). | Requires larger PCB footprint but offers more I/O and easier rework; lacks WLCSP's size advantage for ultra-compact modules. | Select when board layout permits larger package and additional GPIOs are needed for expansion. |
| R7FA2E2A74CBY | Identical WLCSP-16 package and pinout, but rated for -40°C to +125°C operation and same 64-KB flash/SRAM. | Suitable for under-hood automotive or high-ambient industrial environments where +105°C is insufficient. | Choose when extended temperature range is mandatory and pin compatibility must be preserved. |
Compared with R7FA2E2A73CBY#HC1, R7FA2E2A73CNJ trades miniaturization for I/O headroom and solderability, while R7FA2E2A74CBY retains identical form factor but extends thermal resilience-enabling reuse of WLCSP layout across temperature grades without redesign.
Availability
R7FA2E2A73CBY#HC1 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart utility meters, BLDC motor controllers, and IoT edge gateways requiring stable component supply across extended temperature ranges.
Supply support for R7FA2E2A73CBY#HC1 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
Renesas Electronics Corporation is a global semiconductor leader delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT applications.
The RA2E2 Group is designed for ultra-low-power, cost-sensitive industrial and consumer edge devices, emphasizing security, functional safety, and seamless scalability within the Renesas RA ecosystem.
FAQ
What is the maximum operating frequency and core architecture of the R7FA2E2A73CBY#HC1?
The R7FA2E2A73CBY#HC1 features an Arm Cortex-M23 core with a maximum operating frequency of 48 MHz and implements the Armv8-M architecture, including Memory Protection Unit (MPU) support for eight memory regions. This architecture enables secure, deterministic real-time performance suitable for industrial control and sensor applications where reliability and isolation are critical. The R7FA2E2A73CBY#HC1 achieves this while maintaining ultra-low power consumption.
Does the R7FA2E2A73CBY#HC1 support hardware encryption and random number generation?
Yes, the R7FA2E2A73CBY#HC1 integrates AES128 and AES256 encryption accelerators alongside a True Random Number Generator (TRNG), enabling secure boot, firmware authentication, and cryptographic key derivation. These features are implemented in dedicated hardware blocks to avoid CPU overhead and timing side-channel vulnerabilities. The R7FA2E2A73CBY#HC1 leverages these capabilities to meet requirements for secure firmware updates and data confidentiality in industrial IoT deployments.
What are the supported operating voltage and temperature ranges for the R7FA2E2A73CBY#HC1?
The R7FA2E2A73CBY#HC1 operates from 1.6 V to 5.5 V and is qualified for industrial temperature range of -40°C to +105°C. Its wide voltage range supports direct battery operation (e.g., 3×AA or Li-SOCl₂) and compatibility with legacy 5-V systems, while the extended temperature rating ensures functionality in enclosed enclosures or outdoor installations. The R7FA2E2A73CBY#HC1 maintains specified timing and analog performance across this full range without derating.
How many analog-to-digital converter (ADC) channels does the R7FA2E2A73CBY#HC1 provide, and what is its resolution?
The R7FA2E2A73CBY#HC1 includes a 12-bit successive approximation ADC (ADC12) with up to eight selectable input channels, including dedicated pins for analog inputs (AN005–AN022) and internal sources like temperature sensor and reference voltage. It supports programmable sampling time, hardware-triggered conversions, and built-in self-diagnostic functions. The R7FA2E2A73CBY#HC1 uses this ADC for precision sensor interfacing in applications such as environmental monitoring and motor current sensing.
What communication interfaces are integrated into the R7FA2E2A73CBY#HC1?
The R7FA2E2A73CBY#HC1 integrates CAN 2.0B, I3C, SPI, and SCI (supporting UART, I²C, SPI, Smart Card, and LIN modes) - all accessible through its 16-pin WLCSP package. The SCI module provides flexible protocol selection per channel, while I3C offers improved multi-drop efficiency over I²C. These interfaces allow the R7FA2E2A73CBY#HC1 to serve as a central hub connecting diverse sensors, actuators, and communication modems in compact edge devices.
R7FA2E2A73CBY#HC1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 16-UFBGA, WLCSP
- Series:
- RA2E2
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M23
- Core Size:
- 32-Bit
- Speed:
- 48MHz
- Connectivity:
- I2C, I3C, SCI, SmartCard, SPI, UART/USART
- Peripherals:
- AES, DMA, LVD, POR, PWM, Temp Sensor, TRNG, WDT
- Number of I/O:
- 11
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 2K x 8
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 4x12b SAR
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA2E2A73CBY#HC1 FAQ
1.How can I place an order for R7FA2E2A73CBY#HC1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA2E2A73CBY#HC1 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 R7FA2E2A73CBY#HC1 reliable?
The price and inventory of R7FA2E2A73CBY#HC1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA2E2A73CBY#HC1 is usually 5 days.
3.What payment methods are accepted for R7FA2E2A73CBY#HC1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA2E2A73CBY#HC1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA2E2A73CBY#HC1?
R7FA2E2A73CBY#HC1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA2E2A73CBY#HC1 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 R7FA2E2A73CBY#HC1?
For technical support, including R7FA2E2A73CBY#HC1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA2E2A73CBY#HC1 requirements.
6.How does Aetrix verify that R7FA2E2A73CBY#HC1 is sourced from the original manufacturer or authorized distributors?
All R7FA2E2A73CBY#HC1 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 R7FA2E2A73CBY#HC1 meets industry standards.
7.What is the process for return or replacement of R7FA2E2A73CBY#HC1?
All R7FA2E2A73CBY#HC1 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA2E2A73CBY#HC1, 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 R7FA2E2A73CBY#HC1 part is unused and in its original packaging.
Return procedure for R7FA2E2A73CBY#HC1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FA2E2A73CBY#HC1 Tags
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