Renesas R7FA0E1073CNL#HA0
- Part No.:
- R7FA0E1073CNL#HA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 16-WFQFN Exposed Pad
- Datasheet:
-
R7FA0E1073CNL#HA0.pdf
- Description:
- MCU RA0E1 ARM CM23 32MHZ 64K/12K
- Quantity:
- Payment:

- Shipping:

Inventory:4,251
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Product details
Overview
R7FA0E1073CNL#HA0 from Renesas is an ultra-low-power 32-bit Arm® Cortex®-M23 microcontroller in a 16-pin HWQFN package, operating up to 32 MHz with 64-KB code flash, 12-KB SRAM, and integrated 12-bit ADC, RTC, and safety features including SRAM parity, IWDT, and CRC. It targets compact industrial sensors and battery-powered IoT edge nodes requiring functional safety and mixed-signal integration.
For engineers reviewing the R7FA0E1073CNL#HA0 datasheet, R7FA0E1073CNL#HA0 pinout, R7FA0E1073CNL#HA0 application, or R7FA0E1073CNL#HA0 equivalent, this page delivers verified specifications, validated pin functions for the 16-pin HWQFN variant, confirmed low-power operation down to 1.6 V, and real-world use cases in constrained-space embedded control systems.
Technical Context
The R7FA0E1073CNL#HA0 implements the Armv8-M architecture with TrustZone®-enabled security extensions and supports dual-clock domain operation via HOCO (up to 32 MHz), LOCO (32.768 kHz), and external crystal inputs. Its event-driven architecture leverages ELC and DTC to offload CPU tasks for deterministic low-latency response.
It integrates safety-critical peripherals including Independent Watchdog Timer (IWDT) clocked by LOCO, Flash Area Protection, ADC self-diagnosis, and GPIO readback level detection - all compliant with IEC 61508 SIL-2 functional safety requirements for system-level fault mitigation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M23 (Armv8-M), 32 MHz max - enables efficient execution of RTOS-based firmware with hardware divide/multiply and SysTick timer. |
| Memory | 64-KB code flash + 1-KB data flash + 12-KB SRAM with parity - supports field firmware updates, parameter storage, and error-detecting RAM for safety-critical variables. |
| Analog | 12-bit ADC12 with 5 input channels (AN000–AN004), internal reference, and temperature sensor - provides precision sensor signal acquisition without external components. |
| Timers | TAU × 8 (16-bit) + TML32 × 1 (configurable as 32/16/8-bit) + RTC - delivers flexible PWM generation, interval timing, and calendar-based wake-up in ultra-low-power modes. |
| Communication | SAU × 2 (SPI/I²C/UART), UARTA × 1, IICA × 1 - enables concurrent serial connectivity to sensors, displays, and host controllers using shared peripheral resources. |
| Power & Safety | 1.6–5.5 V operation, LVD0/LVD1 voltage monitoring, IWDT, CRC-32, register write protection - ensures robust operation across wide supply ranges and detects memory/data corruption. |
| Package | 16-pin HWQFN (3 mm × 3 mm, 0.5 mm pitch) with exposed die pad - optimized for space-constrained PCB layouts while maintaining thermal performance. |
Pinout & Package
Package: 16-pin HWQFN (PWQN0016KD-A), 3 mm × 3 mm, 0.5 mm pitch, exposed die pad (recommended electrically open).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCL | Analog power stabilization | Connects to VSS via 0.47–1 µF capacitor; stabilizes internal LDO output for analog circuitry. |
| VSS | Ground reference | Primary digital/analog ground return path; must be low-impedance and decoupled near VCC. |
| VCC | Main power supply | 1.6–5.5 V input; powers core, peripherals, and I/O; requires 0.1 µF ceramic decoupling. |
| X2/EXCLK/XCOUT | Sub-clock oscillator interface | Supports 32.768 kHz crystal or external clock; used for RTC and low-power wake-up timing. |
| X1/XCIN | Sub-clock oscillator interface | Complementary input for 32.768 kHz crystal; paired with X2 for stable RTC timebase. |
| RES | Reset input | Active-low asynchronous reset; initiates full system initialization and register clearing. |
| SWCLK / SWDIO | Debug interface | Two-pin Serial Wire Debug (SWD) for programming, real-time tracing, and non-intrusive debugging. |
| P200–P201, P206–P208, P300, P100–P102, P108–P112, P913–P914, P407, P010–P015, P212–P215 | General-purpose I/O | 12 total I/O pins (including 9 pull-up resistors, 6 N-ch open-drain outputs); 2 pins (P913/P914) are 5-V tolerant. |
| VREFH0 / VREFL0 | ADC reference | VREFH0 sets upper ADC reference (1.6–VCC); VREFL0 is analog ground; enables ratiometric measurement accuracy. |
| AN000–AN004 | Analog inputs | 5 dedicated ADC input channels mapped to P010–P015; support internal temperature sensor and VREFH0 sampling. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | Supports multiple low-power modes (STOP, SNOOZE, DEEP STOP) with sub-μA RTC retention current - extends battery life in energy-harvesting and coin-cell applications. |
| Functional safety compliance | Integrated IWDT (LOCO-clocked), SRAM parity, flash area protection, and illegal memory access detection - reduces external safety monitor requirements for IEC 61508 SIL-2 designs. |
| Hardware-accelerated data integrity | CRC-32 engine with selectable polynomials (CRC-CCITT/CRC-32) - enables fast frame checksum calculation for communication protocols without CPU overhead. |
| Event-driven peripheral coordination | Event Link Controller (ELC) routes 128+ peripheral events directly between modules (e.g., ADC trigger → DMA transfer) - eliminates polling and improves real-time determinism. |
| Secure boot foundation | True Random Number Generator (TRNG) and Flash Read Protection (FRP) - enables secure key generation and prevents unauthorized firmware extraction. |
Applications
| Industrial Sensor Node | Smart Meter Interface |
|---|---|
Use Scenario: Compact environmental sensor module measuring temperature, humidity, and pressure in HVAC ducts with 10-year battery life. IC Role / Device Role / Timing Role: Central controller managing ADC sampling, RTC-based data logging, SAU-driven sensor communication, and ultra-low-power sleep/wake cycles. Use Value: 16-pin HWQFN footprint minimizes PCB area; 1.6 V minimum operating voltage extends usable battery range; integrated temperature sensor reduces BOM cost. |
Use Scenario: Tamper-resistant pulse counting and display interface in residential electricity meters with anti-tampering diagnostics. IC Role / Device Role / Timing Role: Secure data aggregator validating meter pulses via GPIO readback, storing timestamps in protected SRAM, and transmitting via UARTA to main MCU. Use Value: GPIO readback level detection confirms physical tampering; register write protection prevents malicious configuration changes; FRP blocks firmware reverse engineering. |
| Wireless Remote Control | Medical Wearable Monitor |
Use Scenario: Sub-GHz remote control for home automation with button matrix, LED feedback, and RF transceiver interface. IC Role / Device Role / Timing Role: Low-latency I/O manager scanning keys, driving LEDs via PWM-capable TAU outputs, and synchronizing SPI transfers to RF IC. Use Value: 12 I/O pins with 5-V tolerance simplify direct connection to legacy switches/LEDs; 32 MHz core enables fast debouncing and protocol handling. |
Use Scenario: Disposable patch-style vital sign monitor acquiring skin temperature and motion via analog front-end and BLE interface. IC Role / Device Role / Timing Role: Analog signal conditioner digitizing thermistor and accelerometer outputs, performing on-device calibration, and triggering BLE transmission on threshold events. Use Value: ADC12 with internal reference eliminates external voltage reference; TSN sensor enables on-chip temperature compensation; DEEP STOP mode achieves <1 μA standby current. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA0E1053CNL#HA0 | 32-KB code flash, same 16-pin HWQFN package, identical peripherals and safety features. | Suitable for cost-sensitive designs where firmware size ≤32 KB eliminates need for larger flash. | Select when application firmware fits within 32 KB and BOM cost reduction is prioritized over future scalability. |
| R7FA2E1073CNL#AA0 | Same RA0E1 pinout but Arm Cortex-M23 at 48 MHz, 128-KB flash, enhanced analog (14-bit ADC), and CAN FD support. | Required for higher-performance control loops, CAN bus integration, or extended firmware feature sets. | Choose only if 48 MHz speed, CAN FD, or >64 KB flash are mandatory - not a drop-in replacement due to frequency and peripheral differences. |
Compared with R7FA0E1073CNL#HA0, the R7FA0E1053CNL#HA0 offers identical form-factor and safety features at lower flash capacity for cost optimization, while the R7FA2E1073CNL#AA0 introduces higher clock speed and CAN FD - making it suitable for upgraded system architectures but requiring design validation.
Availability
R7FA0E1073CNL#HA0 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart meter interfaces, and wireless remote controls requiring stable component supply, long-term lifecycle support, and automotive-grade temperature range (-40°C to +105°C).
Supply support for R7FA0E1073CNL#HA0 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 is a global semiconductor leader specializing in microcontrollers, analog, and power solutions for industrial, automotive, and IoT markets.
The RA0E1 Group is designed for cost-sensitive, ultra-low-power embedded applications demanding functional safety, integrated analog, and scalable software compatibility across the RA family.
FAQ
What is the maximum operating frequency of the R7FA0E1073CNL#HA0?
The R7FA0E1073CNL#HA0 operates at a maximum frequency of 32 MHz using its high-speed on-chip oscillator (HOCO) or external crystal source. This frequency is fully supported across the -40°C to +105°C temperature range and enables deterministic real-time execution for RTOS-based firmware. The R7FA0E1073CNL#HA0 maintains timing compliance under all specified voltage conditions (1.6–5.5 V).
Does the R7FA0E1073CNL#HA0 support hardware debug interfaces?
Yes, the R7FA0E1073CNL#HA0 supports Serial Wire Debug (SWD) via dedicated SWCLK and SWDIO pins, enabling full programming, real-time tracing, and non-intrusive debugging using standard tools like Renesas E2 studio and J-Link. The R7FA0E1073CNL#HA0 does not support JTAG; SWD is the sole debug interface defined for this device.
How many analog input channels does the R7FA0E1073CNL#HA0 ADC support?
The R7FA0E1073CNL#HA0 integrates a 12-bit successive approximation ADC (ADC12) with five dedicated analog input channels (AN000–AN004), mapped to pins P010–P015. It also supports internal sources including the on-chip temperature sensor (TSN) and VREFH0 for self-calibration - all accessible without external components.
What safety features are implemented in the R7FA0E1073CNL#HA0?
The R7FA0E1073CNL#HA0 includes SRAM parity error checking, Flash Area Protection, Independent Watchdog Timer (IWDT) clocked by LOCO, ADC self-diagnosis, Cyclic Redundancy Check (CRC-32), GPIO readback level detection, and register write protection. These features collectively support IEC 61508 SIL-2 system-level functional safety certification when properly configured.
Is the R7FA0E1073CNL#HA0 pin-compatible with other RA0E1 variants?
Yes, the R7FA0E1073CNL#HA0 shares identical pin functions and electrical characteristics with other 16-pin HWQFN RA0E1 devices (e.g., R7FA0E1053CNL#HA0), enabling direct substitution within the same package variant. However, it is not pin-compatible with 20-, 24-, or 32-pin RA0E1 packages due to differing pin counts and assignments.
R7FA0E1073CNL#HA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 16-WFQFN Exposed Pad
- Series:
- RA0E1
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M23
- Core Size:
- 32-Bit
- Speed:
- 32MHz
- Connectivity:
- I2C, LINbus, SPI, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, Temp Sensor, TRNG, WDT
- Number of I/O:
- 12
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 1K x 8
- RAM Size:
- 12K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 5x12b SAR
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA0E1073CNL#HA0 FAQ
1.How can I place an order for R7FA0E1073CNL#HA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA0E1073CNL#HA0 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 R7FA0E1073CNL#HA0 reliable?
The price and inventory of R7FA0E1073CNL#HA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA0E1073CNL#HA0 is usually 5 days.
3.What payment methods are accepted for R7FA0E1073CNL#HA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA0E1073CNL#HA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA0E1073CNL#HA0?
R7FA0E1073CNL#HA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA0E1073CNL#HA0 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 R7FA0E1073CNL#HA0?
For technical support, including R7FA0E1073CNL#HA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA0E1073CNL#HA0 requirements.
6.How does Aetrix verify that R7FA0E1073CNL#HA0 is sourced from the original manufacturer or authorized distributors?
All R7FA0E1073CNL#HA0 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 R7FA0E1073CNL#HA0 meets industry standards.
7.What is the process for return or replacement of R7FA0E1073CNL#HA0?
All R7FA0E1073CNL#HA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA0E1073CNL#HA0, 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 R7FA0E1073CNL#HA0 part is unused and in its original packaging.
Return procedure for R7FA0E1073CNL#HA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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