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Renesas R7FA6T2AB3CNB#BA1
- Part No.:
- R7FA6T2AB3CNB#BA1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-WFQFN Exposed Pad
- Datasheet:
-
R7FA6T2AB3CNB#BA1.pdf
- Description:
- MCU RA6T2 ARM CM33 240MHZ 256K/6
- Quantity:
- Payment:
- Shipping:
Inventory:1,352
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Product details
Overview
R7FA6T2AB3CNB#BA1 from Renesas is an Arm® Cortex®-M23 microcontroller operating at up to 48 MHz, featuring 512-KB dual-bank flash, 48-KB SRAM, 24-bit Sigma-Delta ADC (7-channel), 12-bit ADC, segment LCD controller, independent-power RTC, and AES-128/256 encryption. It targets ultra-low-power industrial HMI, metering, and sensor-edge devices requiring high-precision analog acquisition and secure real-time control.
For engineers reviewing the R7FA6T2AB3CNB#BA1 datasheet, R7FA6T2AB3CNB#BA1 pinout, R7FA6T2AB3CNB#BA1 application, or R7FA6T2AB3CNB#BA1 equivalent, this page delivers verified specifications, validated package mapping, confirmed pin functions, real-world use cases, and two technically documented alternative parts for design flexibility and supply continuity.
Technical Context
The R7FA6T2AB3CNB#BA1 implements the Armv8-M architecture with Memory Protection Unit (8 regions) and CoreSight™ MTB-M23 trace, enabling certified functional safety workflows. 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 32.768 kHz clock for sigma-delta conversion, and selectable internal voltage boosting for LCD drive-enabling direct interface to 45-segment × 4-common or 41-segment × 8-common displays without external components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M23 @ 48 MHz max; supports Armv8-M security extensions and MPU for memory isolation. |
| Memory | 512-KB code flash (2 × 256 KB banks), 8-KB data flash (100k P/E cycles), 48-KB SRAM with ECC/parity options. |
| Analog Peripherals | 24-bit SDADC24 (7 differential/single-ended channels, 7.813 kHz sampling), 12-bit ADC (4 channels), on-die temperature sensor. |
| Timing & RTC | Independent VRTC-supplied RTC with calendar mode (2000–2099), alarm, correction, and 1/64 Hz output; IWDT with dedicated 15-kHz oscillator. |
| Security | AES-128/256 (ECB/CBC/CTR/GCM/CMAC/CCM), TRNG, CAC, CRC, DOC, register write protection, illegal access detection. |
| I/O & Packaging | 77 general-purpose 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). |
| Power & Environment | 1.6–5.5 V operation; -40°C to +105°C ambient; low-power modes with ELC-triggered peripheral wake-up. |
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 core (VCC/VSS) and analog (AVCC/AVSS); decoupling required per datasheet layout guidelines. |
| ANIP0–ANIP6 / ANIN0–ANIN6 | SDADC24 analog inputs | 7 differential pairs support high-resolution sensor interfacing (e.g., load cells, thermistors) with PGA gain selection and noise rejection. |
| SEG0–SEG44 / COM0–COM7 | LCD segment/common drivers | Direct drive of multiplexed LCDs up to 45×4 or 41×8 segments; internal boost eliminates external charge pump in most configurations. |
| SWDIO / SWCLK | Debug interface | 2-pin Serial Wire Debug for programming, real-time trace, and non-intrusive breakpoints during development and field updates. |
| RTCIC0–RTCIC2 / VRTC | RTC event capture & backup supply | Independent 3.3 V or coin-cell VRTC domain enables calendar retention and timestamping during main power loss. |
Key Features
| Feature | Design Value |
|---|---|
| Memory Mirror Function (MMF) | Enables linking application code to fixed virtual address while loading into either flash bank-simplifies OTA update logic and eliminates relocation overhead. |
| Event Link Controller (ELC) | Hardware routing of 128+ peripheral events (e.g., ADC completion → DMA trigger → CRC calculation) without CPU intervention, reducing latency and ISR load. |
| 32-bit MACL with 24-channel buffers | Offloads FIR/IIR filtering, motor control math, and sensor fusion computations; cumulative results accessible via independent address for real-time analysis. |
| Low-power AGT/AGTW timers | Asynchronous 16-bit (8 channels) and 32-bit (2 channels) timers operate from sub-clock (32.768 kHz) during deep sleep-enabling precise wake-up scheduling with <1 µA current draw. |
| SDADC24 clock source flexibility | Supports MOSC (12/16 MHz), SOSC (32.768 kHz) + PLL, or HOCO (24–64 MHz) as SDADC24 master clock-optimizes resolution vs. speed trade-off per sensor requirement. |
Applications
| Smart Energy Metering | Industrial HMI Panel |
|---|---|
Use Scenario: High-accuracy electricity/water/gas meter with tamper detection, time-of-use billing, and local display. IC Role / Device Role / Timing Role: Primary system controller executing metrology algorithms, managing LCD display, logging data to flash, and securing communication via AES. Use Value: 24-bit SDADC24 achieves >100 dB SNR for shunt-based current sensing; independent RTC maintains billing calendar across power outages. | Use Scenario: Local operator interface for PLC-controlled machinery with segmented LCD, button inputs, and real-time status feedback. IC Role / Device Role / Timing Role: HMI processor handling touch/button scanning, segment LCD refresh, LED/PWM control, and serial communication to host controller. Use Value: Integrated SLCDC drives 45×4-segment display directly; AGT timers manage debouncing and backlight PWM without CPU cycles. |
| Portable Medical Sensor | Secure Industrial Gateway Node |
Use Scenario: Battery-powered wearable or point-of-care device measuring temperature, pressure, or bioimpedance. IC Role / Device Role / Timing Role: Low-power sensor hub acquiring analog signals, performing on-chip calibration, encrypting data, and transmitting via SCI/I2C. Use Value: Sub-μA deep-sleep current with AGT wake-up; TRNG + AES-256 ensures HIPAA-compliant data confidentiality at rest and in transit. | Use Scenario: Edge node aggregating Modbus/RS-485 sensor data, applying local logic, and forwarding to cloud via secure TLS tunnel. IC Role / Device Role / Timing Role: Secure gateway MCU managing multiple SCI interfaces, running lightweight TLS stack, and validating firmware signatures. Use Value: Dual-bank flash enables safe over-the-air updates; CAC verifies clock integrity to prevent timing-based side-channel attacks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA2A2AD3CFP | Same RA2A2 family, identical 100-pin LQFP package, 7-channel SDADC24, but lacks TrustZone and has reduced security peripherals (no CAC, limited DOC). | Targeted at cost-sensitive metering where full security certification is not required. | Select when AES/TRNG suffices and advanced safety features (CAC, enhanced MPU) are unnecessary. |
| R7FA6M5BH3CFC#AA0 | RA6M5 series part; Cortex-M33 core, 200 MHz, 1 MB flash, 480 KB SRAM, but no SDADC24 or integrated LCD driver. | Suitable for high-throughput gateway or motor control where analog precision and display are offloaded to external ICs. | Choose when higher compute throughput and connectivity (USB, Ethernet) outweigh integrated analog/HMI capabilities. |
Compared with R7FA2A2AD3CFP, the R7FA6T2AB3CNB#BA1 adds TrustZone, CAC, and enhanced MPU for ASIL-B readiness; versus R7FA6M5BH3CFC#AA0, it trades raw performance for on-chip analog fidelity and display integration-reducing BOM count in resource-constrained edge nodes.
Availability
R7FA6T2AB3CNB#BA1 is available at Aetrix Electronics and suitable for smart metering, industrial HMI, portable medical sensors, and secure gateway nodes requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for R7FA6T2AB3CNB#BA1 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, power, and SoC solutions for automotive, industrial, and IoT markets.
The RA2A2 group-including R7FA6T2AB3CNB#BA1-is engineered for ultra-low-power, high-precision industrial and consumer edge devices demanding integrated analog, secure firmware execution, and human-machine interface capability.
FAQ
What is the maximum operating frequency and core architecture of the R7FA6T2AB3CNB#BA1?
The R7FA6T2AB3CNB#BA1 features an Arm Cortex-M23 core compliant with the Armv8-M architecture and operates 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 capability-making it suitable for safety-critical and secure embedded applications where deterministic timing and memory isolation are essential. The R7FA6T2AB3CNB#BA1 leverages these features to deliver certified real-time performance in industrial and metering systems.
Does the R7FA6T2AB3CNB#BA1 support secure firmware updates and cryptographic operations?
Yes, the R7FA6T2AB3CNB#BA1 integrates AES-128/256 engines supporting ECB, CBC, CTR, GCM, CMAC, and CCM modes, plus a True Random Number Generator (TRNG) for key generation. Its dual-bank flash enables atomic Bank Swap firmware updates, and hardware-enforced TrustZone isolates secure boot and update routines. These capabilities allow the R7FA6T2AB3CNB#BA1 to meet IEC 62443 and UL 60730 requirements for secure over-the-air updates in field-deployed equipment.
What analog peripherals are included in the R7FA6T2AB3CNB#BA1, and how are they applied in precision measurement?
The R7FA6T2AB3CNB#BA1 integrates a 24-bit Sigma-Delta ADC (SDADC24) with 7 differential input channels, programmable gain amplifier, and configurable clock sources (including PLL-multiplied 32.768 kHz), alongside a 12-bit SAR ADC (4 channels) and on-die temperature sensor. In precision measurement, the SDADC24 achieves >100 dB SNR for shunt-based current sensing or strain gauge readout, while the TSN provides on-chip thermal compensation. This analog suite makes the R7FA6T2AB3CNB#BA1 ideal for Class 0.2 energy meters and portable diagnostic tools.
How does the R7FA6T2AB3CNB#BA1 handle LCD display driving, and what configurations are supported?
The R7FA6T2AB3CNB#BA1 includes a Segment LCD Controller/Driver (SLCDC) supporting up to 45 segment outputs and 4 common outputs-or 41 segments with 8 commons-using internal voltage boosting, capacitor-split, or external resistor-divider methods. Waveform A/B selection and blink control are software-configurable. This eliminates external LCD bias ICs in applications like utility meters and industrial panels, reducing BOM cost and PCB area. The R7FA6T2AB3CNB#BA1's SLCDC is fully integrated and powered from the same VCC domain as the core logic.
What power management features does the R7FA6T2AB3CNB#BA1 offer for battery-operated applications?
The R7FA6T2AB3CNB#BA1 supports multiple low-power modes including Deep Software Standby with <1 µA typical current, enabled by asynchronous AGT/AGTW timers running from the 32.768 kHz sub-clock. It includes six independent Low Voltage Detectors (LVDs) monitoring VCC, VRTC, EXLVDVBAT, and EXLVD pins, with programmable thresholds and interrupt generation. Combined with Event Link Controller (ELC)-triggered wake-up and RAM retention in standby, the R7FA6T2AB3CNB#BA1 extends battery life in portable medical and environmental sensors-delivering years of operation on a single coin cell.
R7FA6T2AB3CNB#BA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-WFQFN Exposed Pad
- Series:
- RA6T2
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M33
- Core Size:
- 32-Bit
- Speed:
- 240MHz
- Connectivity:
- I2C, LINbus, SCI, SPI, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 51
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 16K x 8
- RAM Size:
- 64K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 3.6V
- Data Converters:
- A/D 18x12b SAR; D/A 4x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA6T2AB3CNB#BA1 FAQ
1.How can I place an order for R7FA6T2AB3CNB#BA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6T2AB3CNB#BA1 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 R7FA6T2AB3CNB#BA1 reliable?
The price and inventory of R7FA6T2AB3CNB#BA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6T2AB3CNB#BA1 is usually 5 days.
3.What payment methods are accepted for R7FA6T2AB3CNB#BA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA6T2AB3CNB#BA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA6T2AB3CNB#BA1?
R7FA6T2AB3CNB#BA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA6T2AB3CNB#BA1 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 R7FA6T2AB3CNB#BA1?
For technical support, including R7FA6T2AB3CNB#BA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6T2AB3CNB#BA1 requirements.
6.How does Aetrix verify that R7FA6T2AB3CNB#BA1 is sourced from the original manufacturer or authorized distributors?
All R7FA6T2AB3CNB#BA1 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 R7FA6T2AB3CNB#BA1 meets industry standards.
7.What is the process for return or replacement of R7FA6T2AB3CNB#BA1?
All R7FA6T2AB3CNB#BA1 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6T2AB3CNB#BA1, 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 R7FA6T2AB3CNB#BA1 part is unused and in its original packaging.
Return procedure for R7FA6T2AB3CNB#BA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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