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Renesas R7FA0E1053CNL#BA0
- Part No.:
- R7FA0E1053CNL#BA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 16-WFQFN Exposed Pad
- Datasheet:
-
R7FA0E1053CNL#BA0.pdf
- Description:
- MCU RA0E1 ARM CM23 32MHZ 32K/12K
- Quantity:
- Payment:
- Shipping:
Inventory:1,037
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Product details
Overview
R7FA0E1053CNL#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 with parity, and a 12-bit ADC with 5 analog input channels. It integrates UARTA, IICA, SAU (2 simplified SPI/2 simplified IIC/2 UART), TAU timers (8×16-bit), TML32 interval timer, RTC, TRNG, CRC, and safety features including IWDT, SRAM parity check, and register write protection - deployed in battery-powered industrial sensors and smart metering endpoints.
For engineers reviewing the R7FA0E1053CNL#BA0 datasheet, R7FA0E1053CNL#BA0 pinout, R7FA0E1053CNL#BA0 application, or R7FA0E1053CNL#BA0 equivalent, this page delivers verified package mapping (16-pin HWQFN), confirmed pin functions, real-world timing roles (e.g., RTCOUT for 1-Hz timekeeping), and validated alternative MCUs with documented functional alignment and known trade-offs in flash size and ADC channel count.
Technical Context
The R7FA0E1053CNL#BA0 implements the Armv8-M architecture with TrustZone®-enabled security extensions, supporting secure boot and isolated execution environments. Its system-level design centers on deterministic low-power operation: the HOCO/MOCO/LOCO clock sources are individually trimmable, and the Event Link Controller (ELC) enables direct peripheral-to-peripheral triggering without CPU intervention - critical for energy-constrained sensor nodes.
Hardware safety is enforced via independent watchdog timer (IWDT) driven by LOCO, SRAM parity error detection, flash area protection, and ADC self-diagnosis. The 16-pin HWQFN package supports only 12 GPIOs (including 9 pull-up resistors and 6 N-ch open-drain outputs), with two 5-V-tolerant pins omitted - confirming its targeting of compact, cost-sensitive embedded control rather than high-I/O applications.
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 integer divider and single-cycle multiplier. |
| Memory | 32-KB code flash + 1-KB data flash (1M program/erase cycles) + 12-KB SRAM with parity - sufficient for secure bootloader, sensor fusion algorithms, and field-upgradable firmware. |
| Analog | 12-bit ADC12 with 5 input channels (AN000–AN004), VREFH0/VREFL0 reference pins - supports precision temperature and voltage monitoring in compact systems. |
| Timers | TAU × 8 (16-bit), TML32 × 1 (configurable as 32-/16-/8-bit), RTC with alarm & 1-Hz output - enables multi-channel PWM generation, precise interval timing, and calendar-based wake-up. |
| Communication | SAU × 2 (2 SPI/2 IIC/2 UART), UARTA × 1, IICA × 1 - provides dual serial interfaces for sensor bus (I2C) and host telemetry (UART) without external level shifters. |
| Power & Safety | VCC = 1.6–5.5 V; -40°C to +105°C; IWDT, CRC-32/CCITT, TRNG, LVD0/LVD1 - ensures robust operation in unregulated power environments and failsafe recovery. |
Pinout & Package
Package: 16-pin HWQFN (3 mm × 3 mm, 0.5 mm pitch), exposed die pad (recommended electrically open), RoHS-compliant Sn finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCL | Analog power stabilization | Connects to VSS via 0.47–1 µF capacitor; stabilizes internal LDO for analog circuitry - mandatory for ADC accuracy. |
| P215 / XCIN | Sub-clock oscillator input | Accepts 32.768 kHz crystal or external clock; feeds RTC and IWDT - enables ultra-low-power timekeeping and fail-safe reset. |
| P214 / XCOUT | Sub-clock oscillator output | Drives 32.768 kHz crystal; paired with XCIN to form RTC clock source - requires no external buffer. |
| VSS | Digital ground | Primary ground reference for digital logic and I/O - must be connected to system GND with low-inductance path. |
| X2/EXCLK/XCOUT | Multi-function clock pin | Configurable as main crystal input (X2), external clock (EXCLK), or sub-clock output (XCOUT) - enables flexible clock sourcing. |
| X1/XCIN | Main/sub-clock oscillator input | Supports 1–20 MHz crystal (MOSC) or 32.768 kHz crystal (SOSC); selection controlled by CMC.XTSEL register. |
| VCC | Core & I/O supply | 1.6–5.5 V input powering CPU, peripherals, and GPIO - accommodates single-cell Li-ion or 3.3/5 V rails. |
| P407 / PCLBUZ0 | Programmable clock/buzzer output | Generates configurable frequency output (e.g., 1 kHz buzzer tone or clock signal) - eliminates external oscillator for simple alerts. |
| P914 / P913 | General-purpose I/O | 5-V tolerant inputs/outputs - interface directly with legacy 5 V logic without level shifters. |
| P206 / RES | Reset input | Active-low asynchronous reset - pulls device into known state on power-up or fault condition. |
| P300 / SWCLK | SWD debug clock | Serial Wire Debug clock input - enables in-circuit programming and real-time debugging via standard JTAG/SWD probe. |
| P108 / SWDIO | SWD debug I/O | Serial Wire Debug bidirectional data line - carries debug commands and trace data over single wire. |
| P200 / NMI | Non-maskable interrupt | Hard-fault or critical event input - triggers immediate exception handling regardless of interrupt priority masking. |
| P010 / VREFH0 | ADC reference high | Positive reference voltage input for ADC12 - can be tied to VCC or external precision reference for improved measurement linearity. |
| P011 / VREFL0 | ADC reference low | ADC ground reference - must match system analog ground to avoid offset errors in conversion results. |
Key Features
| Feature | Design Value |
|---|---|
| Arm Cortex-M23 with TrustZone® | Enables hardware-isolated secure boot and runtime partitioning - essential for firmware integrity in connected edge devices. |
| Event Link Controller (ELC) | Eliminates CPU polling by routing peripheral events (e.g., ADC EOC → TAU trigger) directly - reduces active current by >30% in sensor sampling loops. |
| TRNG + CRC-32 | Provides cryptographically secure random numbers and data integrity verification - required for TLS handshake and OTA update validation. |
| Low-power modes with RTC wake-up | Supports deep-sleep states with sub-µA current draw while maintaining RTC alarm functionality - extends battery life to years in wireless sensors. |
| Register write protection (PRCR) | Prevents accidental overwrite of critical control registers (e.g., clock dividers, interrupt masks) - avoids system lockup during firmware updates. |
Applications
| Industrial Sensor Node | Smart Utility Meter |
|---|---|
|
Use Scenario: Battery-powered temperature/humidity sensor transmitting data hourly via LoRaWAN. IC Role / Device Role / Timing Role: Main controller executing sensor readout, CRC-verified packet assembly, and RTC-triggered transmission. Use Value: 32-KB flash stores LoRa stack + sensor drivers; 12-KB SRAM buffers measurements; 5 ADC channels support dual-sensor analog front-end. |
Use Scenario: Electricity meter with tamper detection, pulse counting, and secure firmware updates. IC Role / Device Role / Timing Role: System-on-chip managing metrology ADC interface, EEPROM logging, and AES-encrypted OTA updates. Use Value: TRNG seeds encryption keys; IWDT prevents runaway code during update; 1-KB data flash retains calibration constants across 1M cycles. |
| Compact Motor Control | IoT Edge Gateway Subsystem |
|
Use Scenario: Brushless DC motor driver with hall-effect feedback and thermal shutdown. IC Role / Device Role / Timing Role: Real-time PWM generator using TAU timers synchronized to hall sensor edges. Use Value: 8×16-bit TAU channels produce 3-phase complementary PWM; 12-bit ADC monitors motor current and temperature. |
Use Scenario: Local concentrator aggregating Zigbee/Z-Wave sensor data before forwarding to cloud. IC Role / Device Role / Timing Role: Bridge controller running lightweight protocol translation and local rule engine. Use Value: SAU handles concurrent I2C (sensor hub) and UART (radio module); RTC maintains local time sync during network outages. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA0E1053CFJ | 32-pin LQFP package; 26 GPIOs; full SAU (3 SPI/3 IIC/2 UART); 10 ADC channels | Higher I/O count and analog channel support for complex sensor arrays or display interfaces | Select when board layout allows larger footprint and application requires >5 analog inputs or additional UART/I2C buses. |
| R7FA0E1073CNL | Same 16-pin HWQFN package but with 64-KB flash and 10 ADC channels (AN000–AN009) | Extended firmware storage and expanded analog sensing capability within identical PCB footprint | Choose when future firmware growth or additional sensor integration is anticipated without changing board design. |
Compared with R7FA0E1053CNL#BA0, the R7FA0E1053CFJ offers greater I/O flexibility at the cost of board space, while R7FA0E1073CNL delivers flash and ADC scalability in the same compact 16-pin HWQFN - enabling seamless migration paths for volume production and feature upgrades.
Availability
R7FA0E1053CNL#BA0 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart utility meters, compact motor controllers, and IoT edge gateway subsystems requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.
Supply support for R7FA0E1053CNL#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, power, and SoC solutions for automotive, industrial, and IoT markets.
The RA0E1 Group - including R7FA0E1053CNL#BA0 - is designed for cost-sensitive, ultra-low-power embedded applications demanding Arm-based performance, functional safety, and security in minimal footprints.
FAQ
What is the maximum operating frequency of the R7FA0E1053CNL#BA0?
The R7FA0E1053CNL#BA0 operates at a maximum frequency of 32 MHz using the Arm Cortex-M23 core. This speed is achievable with the high-speed on-chip oscillator (HOCO) or an external crystal up to 20 MHz multiplied via PLL - enabling real-time processing for sensor fusion and communication stacks without external clock components.
How many analog input channels does the R7FA0E1053CNL#BA0 support?
The R7FA0E1053CNL#BA0 supports 5 analog input channels (AN000 to AN004) for its 12-bit ADC12 module. This count is fixed for the 16-pin HWQFN variant per Table 1.12 in the datasheet - fewer than the 10-channel version in larger packages, reflecting the pin-count constraint of the compact form factor.
Does the R7FA0E1053CNL#BA0 include hardware security features?
Yes, the R7FA0E1053CNL#BA0 includes TrustZone®-enabled Arm Cortex-M23 security extensions, a True Random Number Generator (TRNG), Cyclic Redundancy Check (CRC) calculator supporting CRC-32 and CRC-CCITT, and flash read protection (FRP) - providing foundational security for secure boot, encrypted communications, and firmware integrity verification.
What is the operating temperature range for the R7FA0E1053CNL#BA0?
The R7FA0E1053CNL#BA0 is rated for industrial operation from -40°C to +105°C ambient temperature. This range is guaranteed across all electrical characteristics in the datasheet, including flash programming, ADC accuracy, and oscillator stability - making it suitable for deployment in harsh environments like outdoor utility infrastructure or factory automation equipment.
Can the R7FA0E1053CNL#BA0 drive 5-V logic directly?
Yes, two pins - P913 and P914 - are explicitly specified as 5-V tolerant in the datasheet (Table 2.1). They accept input voltages up to +6.5 V and can drive 5-V loads in open-drain configuration, allowing direct interfacing with legacy 5-V peripherals without external level-shifting circuitry.
R7FA0E1053CNL#BA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 16-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:
- 12
- 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 5x12b SAR
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA0E1053CNL#BA0 FAQ
1.How can I place an order for R7FA0E1053CNL#BA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA0E1053CNL#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 R7FA0E1053CNL#BA0 reliable?
The price and inventory of R7FA0E1053CNL#BA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA0E1053CNL#BA0 is usually 5 days.
3.What payment methods are accepted for R7FA0E1053CNL#BA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA0E1053CNL#BA0 transactions.
Note: Certain payment methods may incur a processing fee.
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R7FA0E1053CNL#BA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA0E1053CNL#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 R7FA0E1053CNL#BA0?
For technical support, including R7FA0E1053CNL#BA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA0E1053CNL#BA0 requirements.
6.How does Aetrix verify that R7FA0E1053CNL#BA0 is sourced from the original manufacturer or authorized distributors?
All R7FA0E1053CNL#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 R7FA0E1053CNL#BA0 meets industry standards.
7.What is the process for return or replacement of R7FA0E1053CNL#BA0?
All R7FA0E1053CNL#BA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA0E1053CNL#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 R7FA0E1053CNL#BA0 part is unused and in its original packaging.
Return procedure for R7FA0E1053CNL#BA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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