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Renesas R7FA0E1053CNH#BA0
- Part No.:
- R7FA0E1053CNH#BA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 32-WFQFN Exposed Pad
- Datasheet:
-
R7FA0E1053CNH#BA0.pdf
- Description:
- MCU RA0E1 ARM CM23 32MHZ 32K/12K
- Quantity:
- Payment:
- Shipping:
Inventory:1,253
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Product details
Overview
R7FA0E1053CNH#BA0 from Renesas is an ultra-low-power 32-bit Arm® Cortex®-M23 microcontroller operating at up to 32 MHz, featuring 32-KB code flash, 12-KB SRAM, a 12-bit ADC with 8 input channels, and integrated safety features including SRAM parity check, CRC, and Independent Watchdog Timer (IWDT). It targets battery-powered industrial sensors and smart metering endpoints requiring deterministic real-time response under 1.6–5.5 V supply.
For engineers reviewing the R7FA0E1053CNH#BA0 datasheet, R7FA0E1053CNH#BA0 pinout, R7FA0E1053CNH#BA0 application, or R7FA0E1053CNH#BA0 equivalent, this page delivers verified technical context, package-specific pin mapping, safety-critical timing parameters, and validated alternative MCUs for cost-optimized, low-power embedded designs.
Technical Context
The R7FA0E1053CNH#BA0 implements Armv8-M architecture with TrustZone®-enabled security extensions and supports dual-clock domain operation: HOCO (up to 32 MHz) for active mode and LOCO (32.768 kHz) for RTC and IWDT. Its Event Link Controller (ELC) enables zero-CPU-intervention peripheral chaining between TAU timers, ADC12, and SAU interfaces.
It integrates a 32-pin HWQFN package with 26 GPIOs (including 2 × 5-V-tolerant pins), 8-channel 16-bit Timer Array Unit (TAU), and Serial Array Unit (SAU) supporting simultaneous simplified SPI, I²C, and UART protocols-configured per channel without shared resource contention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M23 @ 32 MHz max; supports Armv8-M baseline, single-cycle integer multiply, and 19-cycle divide for deterministic control loops. |
| Memory | 32-KB code flash (1,000,000 program/erase cycles), 1-KB data flash, 12-KB SRAM with parity-enabling robust firmware updates and runtime data integrity checking. |
| Analog | 12-bit ADC12 with 8 selectable input channels and on-die temperature sensor (TSN); reference voltage range 1.6–VCC V for flexible sensor interfacing. |
| Timers | 8 × 16-bit TAU channels + 1 × 32-bit interval timer (TML32) configurable as 32-/16-/8-bit counters; supports PWM generation and precise time-stamping without CPU load. |
| Safety & Security | SRAM parity error detection, Flash area protection, ADC self-diagnosis, CRC-32/CCITT, IWDT with LOCO clock source, and register write protection-meeting IEC 61508 SIL2 functional safety requirements. |
| Power & Clock | Operating voltage 1.6–5.5 V; multiple clock sources including HOCO (±1% accuracy), LOCO (±15%), and SOSC (32.768 kHz crystal); LVD with dual thresholds (LVD0/LVD1) for brown-out recovery. |
| I/O | 26 general-purpose I/O pins in 32-pin HWQFN; 15 N-ch open-drain outputs, 16 pull-up resistors, 2 × 5-V-tolerant inputs-suitable for mixed-voltage system interfacing. |
Pinout & Package
Packaged in a 32-pin HWQFN (5 mm × 5 mm, 0.5 mm pitch) with exposed die pad (recommended electrically open), the R7FA0E1053CNH#BA0 provides 26 GPIOs, dedicated debug (SWDIO/SWCLK), reset (RES), and analog reference (VREFH0/VREFL0) pins. Power pins (VCC/VSS/VCL) are distributed for noise suppression.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS / VCL | Power supply and stabilization | VCC (1.6–5.5 V), VSS (ground), VCL (internal LDO decoupling via 0.47–1 µF capacitor)-critical for analog stability and low-noise operation. |
| SWDIO / SWCLK | Debug interface | Two-pin Serial Wire Debug (SW-DP) for programming and real-time trace; no external pull-ups required. |
| RES | Reset input | Active-low asynchronous reset; internal pull-up enabled; compatible with external RC or supervisor ICs. |
| X1 / X2 / XCIN / XCOUT | Crystal oscillator interface | Supports main clock (1–20 MHz crystal) and sub-clock (32.768 kHz crystal); CMC.XTSEL = 1 enables SOSC on all packages. |
| AN000–AN007 | Analog inputs | Eight 12-bit ADC input channels; share VREFH0/VREFL0 reference; support internal TSN output for die temperature monitoring. |
| P008–P015, P100–P112, etc. | General-purpose I/O | 26 programmable pins with configurable pull-up, open-drain, and 5-V tolerance on P913/P914-enabling direct connection to legacy 5-V logic. |
Key Features
| Feature | Design Value |
|---|---|
| Event Link Controller (ELC) | Hardware routing of peripheral events (e.g., ADC conversion complete → TAU trigger) without CPU intervention-reducing latency and power in sensor sampling sequences. |
| Data Transfer Controller (DTC) | Autonomous memory-to-peripheral transfers triggered by interrupts (e.g., UART RX → SRAM buffer), freeing CPU for computation during communication bursts. |
| Realtime Clock (RTC) | Full calendar counter (year/month/day/hour/minute/second) with alarm, fixed-cycle interrupt (0.5 s–1 month), and 1-Hz pin output-enabling time-synchronized wake-up in ultra-low-power sleep modes. |
| Serial Array Unit (SAU) | 6-channel SAU (3 simplified SPI, 3 simplified I²C, 2 UART, 1 LIN-capable UART) with independent channel configuration-eliminating protocol conflicts in multi-interface sensor hubs. |
| Low-Power Modes | Multiple sleep states (STOP, SNOOZE, DEEPSTOP) with sub-µA current draw; fast wake-up (< 4 µs from STOP) using HOCO-ideal for duty-cycled IoT edge nodes. |
Applications
| Industrial Sensor Node | Smart Energy Meter |
|---|---|
|
Use Scenario: Battery-powered temperature/humidity sensor collecting data every 30 seconds and transmitting via UART to gateway. IC Role / Device Role / Timing Role: Main controller executing ADC sampling, RTC-based scheduling, and UART transmission; IWDT ensures fail-safe recovery from bus lockups. Use Value: 32-KB flash accommodates secure bootloader + application; 12-KB SRAM buffers sensor logs; 26 GPIOs support multiple sensor interfaces and status LEDs. |
Use Scenario: Residential electricity meter measuring voltage/current via shunt/CT and logging kWh consumption with tamper detection. IC Role / Device Role / Timing Role: System-on-chip managing metrology ADC, pulse counting, secure data storage, and optical/IR communication interface. Use Value: CRC-32 validates firmware integrity; SRAM parity prevents corrupted metering data; 5-V-tolerant pins interface directly with legacy opto-couplers. |
| Medical Wearable | Home Appliance Control |
|
Use Scenario: Portable pulse oximeter acquiring analog PPG signals, performing real-time SpO₂ calculation, and displaying results on OLED. IC Role / Device Role / Timing Role: Signal acquisition controller running ADC12 at 1 kSPS, processing data via Cortex-M23, driving display via SAU SPI, and managing battery via LVD. Use Value: TAU timers generate precise LED drive pulses; TSN monitors die temperature to compensate ADC gain drift; low-voltage operation extends battery life. |
Use Scenario: Washing machine main control board managing motor drivers, water valves, temperature sensing, and user interface. IC Role / Device Role / Timing Role: Real-time motor control unit generating PWM via TAU, reading thermistors via ADC12, and communicating with display via UARTA. Use Value: ELC links ADC end-of-conversion to TAU reload-enabling closed-loop speed control; register write protection prevents accidental overwrite of critical motor timing registers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA0E1073CNH#BA0 | 64-KB code flash (vs. 32 KB), same 32-pin HWQFN package, identical peripherals and clocking. | Required when firmware size exceeds 32 KB or future-proofing for feature expansion is needed. | Select R7FA0E1073CNH#BA0 if application requires >32 KB code space while retaining identical pinout and timing behavior. |
| R7FA2E1053CFJ#AA0 | LQFP-32 package (7×7 mm, 0.8 mm pitch) instead of HWQFN; same 32-KB flash, 12-KB SRAM, and peripheral set. | Preferred for prototyping or manual assembly where QFN reflow is impractical; larger footprint eases test probe access. | Choose R7FA2E1053CFJ#AA0 when PCB assembly constraints favor LQFP over HWQFN, with no change to software or electrical design. |
Compared with R7FA0E1053CNH#BA0, the R7FA0E1073CNH#BA0 offers double flash capacity without altering timing or I/O behavior, while the R7FA2E1053CFJ#AA0 retains full functional equivalence but shifts to a more manufacturable LQFP package-both enabling drop-in hardware reuse in scalable product families.
Availability
R7FA0E1053CNH#BA0 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart energy meters, and medical wearables requiring stable component supply, long-term lifecycle support, and automotive-grade reliability across -40°C to +105°C ambient.
Supply support for R7FA0E1053CNH#BA0 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-with over 40 years of embedded systems expertise.
The RA0E1 Group is designed for cost-sensitive, ultra-low-power applications demanding functional safety and security; R7FA0E1053CNH#BA0 specifically targets compact, battery-operated endpoints needing deterministic real-time performance and minimal bill-of-materials.
FAQ
What is the maximum operating frequency and core architecture of the R7FA0E1053CNH#BA0?
The R7FA0E1053CNH#BA0 features an Arm Cortex-M23 core operating at up to 32 MHz, compliant with the Armv8-M architecture profile. It includes single-cycle integer multiply and 19-cycle integer divide units, enabling deterministic execution for real-time control tasks. The core supports TrustZone® for hardware-isolated secure execution environments.
Does the R7FA0E1053CNH#BA0 support 5-V tolerant I/O pins, and which pins are they?
Yes, the R7FA0E1053CNH#BA0 supports 5-V tolerant inputs on two pins: P913 and P914. These pins tolerate voltages up to +6.5 V and are designated as N-ch open-drain outputs in the 32-pin HWQFN package-enabling direct interface with legacy 5-V logic without level-shifting circuitry.
How many analog input channels does the 12-bit ADC (ADC12) support on the R7FA0E1053CNH#BA0?
The R7FA0E1053CNH#BA0's ADC12 module supports 8 analog input channels (AN000–AN007), plus two additional inputs (AN021–AN022) accessible only on specific pin variants. All channels share the same 12-bit successive approximation architecture and can be configured to sample internal temperature sensor (TSN) or reference voltage outputs.
What safety and security features are integrated into the R7FA0E1053CNH#BA0?
The R7FA0E1053CNH#BA0 integrates SRAM parity error detection, Flash area protection, ADC self-diagnosis, Cyclic Redundancy Check (CRC-32/CCITT), Independent Watchdog Timer (IWDT) with LOCO clock source, GPIO readback level detection, register write protection, and illegal memory access detection-collectively supporting IEC 61508 SIL2 compliance for functional safety-critical applications.
What is the package type and pin count of the R7FA0E1053CNH#BA0, and are there thermal considerations?
The R7FA0E1053CNH#BA0 is supplied in a 32-pin HWQFN package (5 mm × 5 mm, 0.5 mm pitch) with an exposed die pad recommended to be left electrically open. Thermal design must ensure junction temperature remains ≤125°C; the device supports ambient operation from -40°C to +105°C, with θJA dependent on PCB copper area and via count beneath the die pad.
R7FA0E1053CNH#BA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 32-WFQFN Exposed Pad
- Series:
- RA0E1
- Packaging:
- Tray
- 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:
- 26
- Program Memory Size:
- 32KB (32K 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 10x12b SAR
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA0E1053CNH#BA0 FAQ
1.How can I place an order for R7FA0E1053CNH#BA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA0E1053CNH#BA0 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 R7FA0E1053CNH#BA0 reliable?
The price and inventory of R7FA0E1053CNH#BA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA0E1053CNH#BA0 is usually 5 days.
3.What payment methods are accepted for R7FA0E1053CNH#BA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA0E1053CNH#BA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA0E1053CNH#BA0?
R7FA0E1053CNH#BA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA0E1053CNH#BA0 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 R7FA0E1053CNH#BA0?
For technical support, including R7FA0E1053CNH#BA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA0E1053CNH#BA0 requirements.
6.How does Aetrix verify that R7FA0E1053CNH#BA0 is sourced from the original manufacturer or authorized distributors?
All R7FA0E1053CNH#BA0 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 R7FA0E1053CNH#BA0 meets industry standards.
7.What is the process for return or replacement of R7FA0E1053CNH#BA0?
All R7FA0E1053CNH#BA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA0E1053CNH#BA0, 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 R7FA0E1053CNH#BA0 part is unused and in its original packaging.
Return procedure for R7FA0E1053CNH#BA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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