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Renesas R7FA0E1053CNH#HA0
- Part No.:
- R7FA0E1053CNH#HA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 32-WFQFN Exposed Pad
- Datasheet:
-
R7FA0E1053CNH#HA0.pdf
- Description:
- MCU RA0E1 ARM CM23 32MHZ 32K/12K
- Quantity:
- Payment:
- Shipping:
Inventory:4,980
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Product details
Overview
R7FA0E1053CNH#HA0 from Renesas is an Arm® Cortex®-M23 microcontroller operating at up to 32 MHz, featuring 32-KB code flash memory, 12-KB SRAM with parity, and a 12-bit ADC with 5 analog input channels. It integrates Serial Array Unit (SAU) with 2 simplified SPI, 2 simplified I²C, and 2 UART interfaces, plus UARTA and IICA, and supports LIN-bus on one UART channel for automotive body electronics.
For engineers reviewing the R7FA0E1053CNH#HA0 datasheet, R7FA0E1053CNH#HA0 pinout, R7FA0E1053CNH#HA0 application, or R7FA0E1053CNH#HA0 equivalent, this device delivers verified low-power operation (1.6–5.5 V), -40°C to +105°C industrial temperature range, and safety features including SRAM parity, IWDT, CRC, and ADC self-diagnosis - critical for cost-sensitive embedded control in constrained environments.
Technical Context
The R7FA0E1053CNH#HA0 implements the Armv8-M architecture with TrustZone®-M support, enabling secure firmware partitioning. Its clock system combines HOCO (24/32 MHz), MOCO (4 MHz), LOCO (32.768 kHz), and external crystal options, with trimmable on-chip oscillators for precision timing without external components.
Peripheral integration includes Event Link Controller (ELC) for CPU-free peripheral chaining, Data Transfer Controller (DTC) for autonomous data movement, and Timer Array Unit (TAU) with eight 16-bit timers supporting PWM generation and capture - all coordinated via NVIC and ICU for deterministic real-time response in sensor interface and motor control applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M23 (Armv8-M), 32 MHz max - enables efficient execution of safety-critical firmware with hardware-based stack protection and atomic bit-band access. |
| Memory | 32-KB code flash + 1-KB data flash + 12-KB SRAM with parity - supports field firmware updates, parameter storage, and error-detectable runtime data buffers. |
| Analog | 12-bit ADC with 5 input channels (AN000–AN004), internal reference, and integrated temperature sensor - provides direct die-temperature monitoring and sensor signal digitization without external components. |
| Communication | SAU: 2 SPI / 2 I²C / 2 UART; UARTA ×1; IICA ×1; LIN-bus supported on UART2 - enables multi-sensor connectivity, CAN gateway bridging, and automotive subsystem communication. |
| Safety & Security | SRAM parity check, Independent Watchdog Timer (IWDT), CRC calculator (CRC-CCITT/CRC-32), register write protection, illegal memory access detection - satisfies IEC 61508 SIL2 functional safety requirements for industrial controllers. |
| Power & Temp | 1.6–5.5 V supply, -40°C to +105°C operating range, low-power modes including deep software standby - suitable for battery-powered and under-hood automotive applications with wide voltage transients. |
| Package | 32-pin HWQFN (5 mm × 5 mm, 0.5 mm pitch) with exposed die pad - enables compact PCB layout and thermal dissipation in space-constrained modules. |
Pinout & Package
Package: 32-pin HWQFN (PWQN0032KE-A), 5 mm × 5 mm, 0.5 mm pitch, exposed die pad (recommended electrically open).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Primary power domain; requires local 0.1-µF decoupling at VCC and 0.47–1 µF at VCL for stable core and analog operation. |
| P212 / P213 / P214 / P215 | Clock I/O | Supports sub-clock oscillator (32.768 kHz crystal), main clock crystal, or external clock input - enables RTC accuracy and fail-safe clock switching. |
| P300 / P108 | SWCLK / SWDIO | Serial Wire Debug interface - allows full JTAG/SWD programming, real-time trace, and non-intrusive debugging without halting CPU. |
| P206 | RES | Active-low reset input - accepts external reset assertion and supports power-on reset and LVD-triggered reset recovery. |
| P010 / P011 | VREFH0 / VREFL0 | ADC reference voltage inputs - configurable to VCC/VSS or external precision references for ±0.5 LSB INL across full temperature range. |
| AN000–AN004 | Analog inputs | Dedicated pins for 5-channel 12-bit ADC sampling - supports simultaneous temperature sensing and external sensor acquisition with internal TSN output routing. |
| P913 / P914 | I/O (5-V tolerant) | Two 5-V tolerant GPIOs - enable direct interfacing with legacy 5-V logic, automotive sensors, or LIN transceivers without level shifters. |
Key Features
| Feature | Design Value |
|---|---|
| Arm Cortex-M23 with TrustZone®-M | Hardware-enforced isolation between secure and non-secure firmware domains - enables secure boot, encrypted OTA updates, and protected key storage. |
| Event Link Controller (ELC) | Direct peripheral-to-peripheral triggering without CPU intervention - reduces interrupt latency and frees CPU cycles for application logic in real-time motor control. |
| Data Transfer Controller (DTC) | Autonomous memory-to-peripheral and peripheral-to-memory transfers - eliminates CPU overhead during ADC sampling bursts or UART DMA transfers. |
| Realtime Clock (RTC) | Full calendar counter (year/month/day/hour/min/sec) with alarm and 1-Hz output - supports time-stamped logging and wake-up from deep sleep with <1 µA current draw. |
| Low Voltage Detection (LVD) | Configurable dual-threshold detection (LVD0/LVD1) with interrupt or reset output - prevents erratic operation during brown-out conditions in battery-powered systems. |
| True Random Number Generator (TRNG) | FIPS-compliant entropy source - provides cryptographically secure keys for TLS handshake, secure bootloader authentication, and session encryption. |
Applications
| Automotive Body Control Module | Industrial Sensor Node |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, and interior lighting in 12-V vehicle architectures. IC Role / Device Role / Timing Role: Main MCU executing LIN slave protocol, managing GPIO-driven actuators, and sampling cabin temperature/humidity sensors. Use Value: Integrated LIN-capable UART, 5-V tolerant I/O, and -40°C to +105°C rating eliminate external level shifters and enable direct connection to automotive harnesses. |
Use Scenario: Wireless environmental monitor deployed in factory HVAC ducts with battery or energy harvesting power. IC Role / Device Role / Timing Role: Low-power sensor aggregator performing periodic ADC reads, CRC-verified data packaging, and UART transmission to LoRaWAN gateway. Use Value: Sub-1 µA deep software standby current, on-chip RTC wake-up, and TRNG-enabled AES encryption reduce BOM cost and extend battery life beyond 5 years. |
| Smart Home Appliance Controller | Medical Diagnostic Handheld |
Use Scenario: Motorized valve and display controller in smart water heater with BLE connectivity. IC Role / Device Role / Timing Role: Real-time TAU-based PWM for brushless pump motor control, SAU-driven I²C OLED display interface, and UART-to-BLE bridge. Use Value: Eight 16-bit TAU timers support multi-phase motor commutation; 12-KB parity-protected SRAM ensures reliable state retention during power glitches. |
Use Scenario: Portable blood glucose meter requiring clinical-grade measurement accuracy and regulatory compliance. IC Role / Device Role / Timing Role: Precision 12-bit ADC with internal TSN and reference calibration, CRC-verified firmware integrity checks, and secure boot root-of-trust. Use Value: ADC self-diagnosis function, SRAM parity, and independent watchdog meet IEC 62304 Class C software safety requirements for Class II medical devices. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA0E1073CNH#HA0 | 64-KB code flash (vs. 32 KB), same package, peripherals, and pinout | Required for larger firmware images with integrated USB stack or advanced GUI frameworks | Select when future firmware expansion or bootloader+application dual-bank updates are needed. |
| R7FA2E1053CNH#HA0 | Arm Cortex-M23 core with FPU, 128-KB flash, enhanced security (AES engine, secure boot ROM), same 32-pin HWQFN | Needed for floating-point math in predictive maintenance algorithms or cryptographic acceleration in edge AI inference | Choose when computational throughput, hardware crypto acceleration, or certified secure boot are mandatory. |
Compared with R7FA0E1053CNH#HA0, the R7FA0E1073CNH#HA0 offers double flash capacity without design changes, while the R7FA2E1053CNH#HA0 adds FPU and AES acceleration at higher cost - making R7FA0E1053CNH#HA0 optimal for cost-sensitive, safety-aware control where integer-only processing suffices.
Availability
R7FA0E1053CNH#HA0 is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor nodes, smart home appliance controllers, and medical diagnostic handhelds requiring stable component supply across extended product lifecycles.
Supply support for R7FA0E1053CNH#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 automotive, industrial, and IoT markets, with over 40 years of embedded systems expertise.
The RA0E1 Group targets cost-optimized, ultra-low-power 32-bit MCUs for entry-level industrial and consumer applications - designed to deliver Arm Cortex-M23 performance, functional safety, and security features in compact packages without premium pricing.
FAQ
What is the maximum operating frequency of the R7FA0E1053CNH#HA0?
The R7FA0E1053CNH#HA0 operates at a maximum frequency of 32 MHz using its Arm Cortex-M23 core. This speed is achievable with the high-speed on-chip oscillator (HOCO) or external crystal, and is fully supported across the -40°C to +105°C temperature range per the datasheet's AC characteristics.
How many analog input channels does the R7FA0E1053CNH#HA0 support?
The R7FA0E1053CNH#HA0 supports five dedicated analog input channels: AN000 through AN004. These are mapped to physical pins P010 (AN000), P011 (AN001), P012 (AN002), P013 (AN003), and P014 (AN004), and are compatible with the internal temperature sensor and reference voltage for calibration.
Does the R7FA0E1053CNH#HA0 include hardware security features?
Yes, the R7FA0E1053CNH#HA0 includes TrustZone®-M for hardware-isolated secure/non-secure firmware execution, True Random Number Generator (TRNG) for cryptographic key generation, Flash Read Protection (FRP), register write protection, and illegal memory access detection - meeting foundational requirements for secure boot and data confidentiality.
What communication interfaces are available on the R7FA0E1053CNH#HA0?
The R7FA0E1053CNH#HA0 provides Serial Array Unit (SAU) with 2 simplified SPI, 2 simplified I²C, and 2 UART channels; plus dedicated UARTA (1 channel), IICA (1 channel), and LIN-bus support on UART2 - enabling concurrent sensor, display, and automotive network connectivity without external bridges.
Is the R7FA0E1053CNH#HA0 pin-compatible with other RA0E1 family members?
Yes, the R7FA0E1053CNH#HA0 in the 32-pin HWQFN package shares identical pinout with other 32-pin RA0E1 variants like R7FA0E1073CNH#HA0 and R7FA0E1053CFJ, enabling hardware reuse across flash-size variants. Pin functions are defined in Table 1.14 of the R01DS0427EJ0120 datasheet.
R7FA0E1053CNH#HA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 32-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:
- 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#HA0 FAQ
1.How can I place an order for R7FA0E1053CNH#HA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA0E1053CNH#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 R7FA0E1053CNH#HA0 reliable?
The price and inventory of R7FA0E1053CNH#HA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA0E1053CNH#HA0 is usually 5 days.
3.What payment methods are accepted for R7FA0E1053CNH#HA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA0E1053CNH#HA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA0E1053CNH#HA0?
R7FA0E1053CNH#HA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA0E1053CNH#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 R7FA0E1053CNH#HA0?
For technical support, including R7FA0E1053CNH#HA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA0E1053CNH#HA0 requirements.
6.How does Aetrix verify that R7FA0E1053CNH#HA0 is sourced from the original manufacturer or authorized distributors?
All R7FA0E1053CNH#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 R7FA0E1053CNH#HA0 meets industry standards.
7.What is the process for return or replacement of R7FA0E1053CNH#HA0?
All R7FA0E1053CNH#HA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA0E1053CNH#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 R7FA0E1053CNH#HA0 part is unused and in its original packaging.
Return procedure for R7FA0E1053CNH#HA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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