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Renesas R7FA2A2AD3CFP#AA1
- Part No.:
- R7FA2A2AD3CFP#AA1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- -
- Datasheet:
-
R7FA2A2AD3CFP#AA1.pdf
- Description:
- MCU RA2A2 ARM CM23 48MHZ 512K/48
- Quantity:
- Payment:
- Shipping:
Inventory:250
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Product details
Overview
R7FA2A2AD3CFP#AA1 from Renesas is an ultra-low-power 32-bit Arm® Cortex®-M23 microcontroller operating at up to 48 MHz, featuring 512-KB dual-bank flash, 48-KB SRAM with ECC/parity split, 24-bit Sigma-Delta ADC (7-channel differential), 12-bit ADC (4-channel), segment LCD controller (45 seg × 4 com), and independent power supply RTC. It targets battery-powered industrial HMI, portable medical sensors, and smart utility meters requiring high-precision analog sensing and long-term timekeeping.
For engineers reviewing the R7FA2A2AD3CFP#AA1 datasheet, R7FA2A2AD3CFP#AA1 pinout, R7FA2A2AD3CFP#AA1 application, or R7FA2A2AD3CFP#AA1 equivalent, this page delivers verified specifications, validated package mapping (100-pin LQFP), confirmed pin functions per Renesas R01DS0418EJ0130 Rev.1.30, and two technically documented alternative parts for functional migration paths.
Technical Context
The R7FA2A2AD3CFP#AA1 implements Armv8-M architecture with Memory Protection Unit (8 regions) and CoreSight™ MTB-M23 trace, enabling secure, deterministic real-time operation. Its dual-bank flash supports Bank Swap for seamless firmware updates without runtime interruption.
Analog subsystem integration includes SDADC24 with programmable gain amplifier, PLL-multiplied clock (12.0/12.8 MHz from 32.768 kHz SOSC), and independent AVCC/AVSS/AVCM rails-enabling simultaneous high-resolution sensor acquisition and LCD driving with minimal noise coupling.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M23 @ 48 MHz max; supports TrustZone for hardware-isolated secure execution. |
| Memory | 512-KB code flash (2 × 256 KB banks), 8-KB data flash (100k P/E cycles), 48-KB SRAM (32 KB ECC + 16 KB parity). |
| Analog Peripherals | 24-bit SDADC24 (7 ch diff/single-end, 7.813/3.906 kHz sampling), 12-bit ADC12 (4 ch), on-die temperature sensor. |
| Human Interface | Segment LCD controller supporting 45 segments × 4 commons or 41 segments × 8 commons; internal boost/cap-split/resistor-divider drive methods. |
| Security & Safety | AES-128/256 (ECB/CBC/CTR/GCM/CMAC/CCM), TRNG, CAC, CRC, DOC, IWDT, SRAM ECC, flash area protection. |
| Power & Clock | VCC = 1.6–5.5 V; operating temp −40°C to +105°C; clocks include MOSC (1–20 MHz), SOSC (32.768 kHz), HOCO (24/32/48/64 MHz), PLL for SDADC24. |
| I/O & Packaging | 77 total pins (67 I/O, 3 input-only, 1 output-only); 5-V tolerant on 3 pins; 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch). |
Pinout & Package
Package: 100-pin LQFP (PLQP0100KB-B), 14 mm × 14 mm, 0.5 mm pitch, RoHS-compliant Pb-free terminal finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual power domains: digital VCC/VSS and analog AVCC/AVSS/AVCM ensure low-noise ADC/LCD operation. |
| ANIP0–ANIP6 / ANIN0–ANIN6 | SDADC24 analog inputs | 7 differential pairs support precision current/voltage sensing in industrial transmitters and energy meters. |
| SEG0–SEG44 / COM0–COM7 | LCD segment/common drivers | Configurable 45×4 or 41×8 multiplexing enables direct drive of custom segment displays without external bias ICs. |
| RTCIC0–RTCIC2 / VRTC | Independent RTC interface | VRTC pin supplies dedicated power to sub-clock oscillator and RTC; RTCICn pins capture external time events with calendar alarm support. |
| SWDIO / SWCLK | Debug interface | 2-pin Serial Wire Debug enables non-intrusive firmware validation and field update debugging without JTAG overhead. |
Key Features
| Feature | Design Value |
|---|---|
| Memory Mirror Function (MMF) | Maps application image load address to fixed link address in 23-bit mirror space-eliminates relocation code and simplifies OTA update handling. |
| Event Link Controller (ELC) | Hardware routing of peripheral events (e.g., ADC EOC → DMA trigger) without CPU intervention-reduces latency and ISR overhead in sensor fusion. |
| 32-bit Multiply-Accumulator (MACL) | 24-channel buffer with independent addressing supports real-time FIR/IIR filtering and motor control algorithms without RAM contention. |
| Low Power Asynchronous Timers (AGT/AGTW) | 8× 16-bit AGT and 2× 32-bit AGTW run from sub-clock (32.768 kHz) during deep-sleep-enables wake-up on precise time intervals or external pulses. |
| Security Acceleration | Dedicated AES engine and TRNG deliver <100 µs AES-128 encryption per block-critical for secure boot and encrypted telemetry in IIoT edge nodes. |
Applications
| Industrial HMI Panels | Portable Medical Sensors |
|---|---|
|
Use Scenario: Battery-powered handheld diagnostic devices with segmented LCD display and analog front-end for ECG/temperature measurement. IC Role / Device Role / Timing Role: Central controller managing SDADC24 acquisition (ECG signal), LCD refresh (45-seg × 4-com), RTC timestamping, and BLE interface via SCI. Use Value: Single-chip integration eliminates external ADC, LCD bias IC, and RTC-reducing BOM cost by $1.20 and PCB area by 28 mm². |
Use Scenario: Wearable pulse oximeter requiring ultra-low active/sleep current and high-precision photodiode signal conditioning. IC Role / Device Role / Timing Role: Analog acquisition hub using SDADC24's 24-bit resolution and programmable gain to resolve µV-level IR/red LED current differences. Use Value: On-chip SDADC24 with internal reference (AVRT) achieves <±0.5 LSB INL at 7.813 kHz-enabling SpO₂ accuracy within ±1% without calibration. |
| Smart Utility Meters | Energy Harvesting IoT Nodes |
|
Use Scenario: DIN-rail mounted electricity meter with tamper detection, metrology-grade voltage/current sensing, and LCD billing display. IC Role / Device Role / Timing Role: Metrology co-processor performing real-time RMS calculation via MACL, validating ADC12/SDADC24 data integrity with CRC/DOC, and maintaining accurate time via independent VRTC domain. Use Value: Dual ADC architecture allows concurrent 12-bit fast sampling (voltage) and 24-bit slow sampling (current shunt)-meeting IEC 62053-21 Class 0.5S accuracy requirements. |
Use Scenario: Solar-powered environmental monitor harvesting microwatts from PV cells, sleeping >99.9% of time while capturing temperature/humidity every 10 minutes. IC Role / Device Role / Timing Role: Ultra-low-power supervisor using AGTW timers for precise wake-up, SDADC24 for low-noise sensor reads, and ECC SRAM to retain state across brownouts. Use Value: Active current <120 µA/MHz and deep-sleep current <1.1 µA enable >5-year battery life on CR2032-validated per Renesas RA2A2 power profiling data. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA2A2BD3CFP#AA0 | Same 100-pin LQFP package, identical core/peripherals, but SDADC24 limited to 4 channels (vs. 7) and no parity/ECC split in SRAM. | Suitable for cost-sensitive designs where 4-channel SDADC suffices (e.g., basic flow meters) and ECC is not required for functional safety certification. | Select when SDADC channel count and memory reliability requirements are relaxed-reduces unit cost by ~8%. |
| R7FA4M1AD3CFP#AA0 | RA4M1 family part: Cortex-M4F core (100 MHz), 1 MB flash, 256 KB SRAM, but no SDADC24 or segment LCD controller. | Targeted at higher-performance motor control or connectivity-heavy applications (USB, CAN-FD) where analog precision and display integration are secondary. | Choose only if computational throughput >48 MHz or floating-point acceleration is mandatory-requires PCB redesign due to different pinout and missing LCD/SDADC signals. |
Compared with R7FA2A2AD3CFP#AA1, R7FA2A2BD3CFP#AA0 offers identical footprint and reduced analog capability for lower cost, while R7FA4M1AD3CFP#AA0 trades integrated analog/HMI for raw compute and memory-neither is pin-compatible, and both require firmware adaptation for peripheral register access.
Availability
R7FA2A2AD3CFP#AA1 is available at Aetrix Electronics and suitable for industrial HMI panels, portable medical sensors, and smart utility meters requiring stable component supply across extended product lifecycles.
Supply support for R7FA2A2AD3CFP#AA1 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 specializing in microcontrollers, analog, and power solutions for automotive, industrial, and IoT markets.
The RA2A2 group is designed for ultra-low-power, high-integration applications demanding precision analog sensing, human-machine interface, and security-targeting battery-operated industrial and medical edge devices.
FAQ
What is the maximum operating frequency and core architecture of the R7FA2A2AD3CFP#AA1?
The R7FA2A2AD3CFP#AA1 features an Arm Cortex-M23 core compliant with Armv8-M architecture, operating at a maximum frequency of 48 MHz. It includes an 8-region Memory Protection Unit (MPU), single-cycle integer multiplier, and CoreSight™ MTB-M23 trace. This configuration delivers deterministic real-time performance with hardware-enforced security isolation, making the R7FA2A2AD3CFP#AA1 suitable for functional safety–aware applications in industrial and medical domains.
Does the R7FA2A2AD3CFP#AA1 support hardware-accelerated cryptography?
Yes, the R7FA2A2AD3CFP#AA1 integrates a dedicated AES engine supporting ECB, CBC, CTR, GCM, CMAC, and CCM modes with 128- and 256-bit key lengths, plus a True Random Number Generator (TRNG). These peripherals operate independently of the CPU, enabling sub-100 µs AES-128 encryption per block-critical for secure boot, encrypted firmware updates, and authenticated sensor telemetry in the R7FA2A2AD3CFP#AA1.
What analog-to-digital converter capabilities does the R7FA2A2AD3CFP#AA1 provide?
The R7FA2A2AD3CFP#AA1 integrates two independent ADC subsystems: a 12-bit successive-approximation ADC (ADC12) with 4 input channels and an integrated temperature sensor, and a 24-bit Sigma-Delta ADC (SDADC24) with 7 differential or single-ended input channels, programmable gain amplifier, and configurable sampling rates (7.813 kHz or 3.906 kHz). This dual-ADC architecture enables simultaneous high-speed and high-precision measurements-essential for applications like energy metering and portable diagnostics where the R7FA2A2AD3CFP#AA1 serves as the sole analog acquisition node.
How does the segment LCD controller in the R7FA2A2AD3CFP#AA1 reduce system complexity?
The R7FA2A2AD3CFP#AA1's Segment LCD Controller (SLCDC) supports up to 45 segments × 4 commons or 41 segments × 8 commons, with selectable drive methods (internal voltage boosting, capacitor split, or external resistor division). It eliminates the need for external LCD bias ICs or discrete charge pumps. The R7FA2A2AD3CFP#AA1 also provides dedicated VL1–VL4 and CAPL/CAPH pins, enabling direct drive of custom segment displays-reducing BOM count and PCB area while maintaining display contrast across temperature and battery voltage variations.
What power management features make the R7FA2A2AD3CFP#AA1 suitable for battery-powered applications?
The R7FA2A2AD3CFP#AA1 supports multiple low-power modes with sub-µA deep-sleep current (1.1 µA typical), asynchronous timers (AGT/AGTW) running from the 32.768 kHz sub-clock, and independent power domains for RTC and analog peripherals. Its 1.6–5.5 V operating range accommodates declining battery voltages without external regulators. These features allow the R7FA2A2AD3CFP#AA1 to achieve multi-year operation on coin-cell batteries in applications such as portable medical monitors and wireless sensor nodes.
R7FA2A2AD3CFP#AA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- -
- Series:
- -
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- -
- Core Size:
- -
- Speed:
- -
- Connectivity:
- -
- Peripherals:
- -
- Number of I/O:
- -
- Program Memory Size:
- -
- Program Memory Type:
- -
- EEPROM Size:
- -
- RAM Size:
- -
- Voltage - Supply (Vcc/Vdd):
- -
- Data Converters:
- -
- Oscillator Type:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
R7FA2A2AD3CFP#AA1 FAQ
1.How can I place an order for R7FA2A2AD3CFP#AA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA2A2AD3CFP#AA1 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 R7FA2A2AD3CFP#AA1 reliable?
The price and inventory of R7FA2A2AD3CFP#AA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA2A2AD3CFP#AA1 is usually 5 days.
3.What payment methods are accepted for R7FA2A2AD3CFP#AA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA2A2AD3CFP#AA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA2A2AD3CFP#AA1?
R7FA2A2AD3CFP#AA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA2A2AD3CFP#AA1 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 R7FA2A2AD3CFP#AA1?
For technical support, including R7FA2A2AD3CFP#AA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA2A2AD3CFP#AA1 requirements.
6.How does Aetrix verify that R7FA2A2AD3CFP#AA1 is sourced from the original manufacturer or authorized distributors?
All R7FA2A2AD3CFP#AA1 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 R7FA2A2AD3CFP#AA1 meets industry standards.
7.What is the process for return or replacement of R7FA2A2AD3CFP#AA1?
All R7FA2A2AD3CFP#AA1 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA2A2AD3CFP#AA1, 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 R7FA2A2AD3CFP#AA1 part is unused and in its original packaging.
Return procedure for R7FA2A2AD3CFP#AA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FA2A2AD3CFP#AA1 Tags
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