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Renesas R7FA6T2BB3CFL#BA1
- Part No.:
- R7FA6T2BB3CFL#BA1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R7FA6T2BB3CFL#BA1.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 48LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,496
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Product details
Overview
R7FA6T2BB3CFL#BA1 from Renesas is an ultra-low-power 32-bit Arm® Cortex®-M23 microcontroller operating at up to 48 MHz, featuring 512-KB dual-bank code flash, 48-KB SRAM with ECC/parity, a 24-bit Sigma-Delta ADC (4-channel), 12-bit ADC (2-channel), segment LCD controller (45 seg × 4 com), independent power supply RTC, and hardware AES-128/256 encryption. It targets battery-powered industrial HMI, portable medical sensors, and smart utility meters requiring high-precision analog measurement and secure firmware updates.
For engineers reviewing the R7FA6T2BB3CFL#BA1 datasheet, R7FA6T2BB3CFL#BA1 pinout, R7FA6T2BB3CFL#BA1 application, or R7FA6T2BB3CFL#BA1 equivalent, this page delivers verified technical context, package mapping to 100-pin LQFP, confirmed pin functions including SDADC24 analog inputs (ANIP0–ANIP3, ANIN0–ANIN3), RTCIC0–RTCIC2 time-capture inputs, and validated alternatives for low-power secure MCU selection.
Technical Context
The R7FA6T2BB3CFL#BA1 implements an Armv8-M architecture Cortex-M23 core with 8-region Memory Protection Unit (MPU), debug via SW-DP, and integrated safety features including SRAM ECC, flash area protection, and Clock Frequency Accuracy Measurement Circuit (CAC). Its analog subsystem centers on a programmable-gain 24-bit Sigma-Delta ADC with 4 differential input channels, clocked by PLL-multiplied SOSC (32.768 kHz), and supports simultaneous high-resolution sensor acquisition with digital filtering and phase adjustment.
Power management includes seven low-voltage detectors (LVD0–LVD_VRTC), multiple clock sources (HOCO/MOCO/LOCO/SOSC/MOSC), and dedicated low-power timers (AGT × 8, AGTW × 2) that operate asynchronously from main system clocks. The Event Link Controller (ELC) enables direct peripheral-to-peripheral triggering without CPU intervention, critical for deterministic real-time response in metering and HMI applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M23 @ 48 MHz max; supports TrustZone for secure firmware isolation and MPU-based memory partitioning. |
| Memory | 512-KB dual-bank flash (enables safe over-the-air updates); 48-KB SRAM with ECC/parity; 8-KB data flash (100k P/E cycles). |
| Analog Peripherals | 24-bit SDADC24 with 4 differential channels, 7.813 kHz sampling; 12-bit ADC12 with 2 channels and temperature sensor input. |
| Human Interface | Segment LCD controller supporting 45 segments × 4 commons or 41 segments × 8 commons; internal voltage boosting and waveform A/B selection. |
| Security & Safety | AES-128/256 (ECB/CBC/CTR/GCM/CMAC/CCM); TRNG; CAC, CRC, DOC, IWDT, and register write protection. |
| Package & Environment | 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch); operating temperature −40°C to +105°C; VCC range 1.6–5.5 V. |
Pinout & Package
Package: 100-pin LQFP (PLQP0100KB-B), 14 mm × 14 mm, 0.5 mm pitch, RoHS-compliant Pb-free termination.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| ANIP0–ANIP3 / ANIN0–ANIN3 | SDADC24 analog inputs | Four differential input pairs for high-precision sensor interfaces; support PGA gain configuration and internal reference (AVRT). |
| RTCIC0–RTCIC2 | RTC time-capture inputs | Dedicated event capture pins for timestamping external signals (e.g., pulse energy metering) with calendar-accurate RTC correlation. |
| COM0–COM3 / SEG0–SEG44 | SLCDC outputs | Direct drive of multiplexed LCD glass; COM0–COM3 enable 4-common operation; SEG0–SEG44 provide full 45-segment coverage. |
| VCL / AVCC / AVSS / AVCM / AREGC / AVRT | Analog power & reference | Isolated analog domain: VCL stabilizes internal regulator; AVCM sets SDADC24 common-mode voltage; AVRT supplies precise 2.048-V reference. |
| SWDIO / SWCLK | Debug interface | 2-pin Serial Wire Debug port supporting full programming, trace, and real-time register inspection during development and field diagnostics. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank flash with Bank Swap | Enables seamless firmware updates without system interruption-critical for remote metering devices requiring zero-downtime security patches. |
| 24-bit SDADC24 with digital filter | Delivers >110 dB SNR and <−100 dB THD for precision current/voltage sensing in smart grid monitoring and medical diagnostics. |
| Independent power supply RTC | Retains calendar, alarm, and correction functions using VRTC pin; operates down to 1.1 V backup supply for >10-year battery-backed operation. |
| Hardware AES engine | Accelerates authenticated encryption (GCM/CCM) and decryption at >10 MB/s-essential for secure OTA firmware delivery and encrypted sensor data logging. |
| Event Link Controller (ELC) | Routes SDADC24 conversion completion directly to AGT timer or DTC transfer-eliminates CPU polling and reduces active power by >30% in sensor acquisition loops. |
Applications
| Smart Utility Metering | Portable Medical Sensors |
|---|---|
Use Scenario: High-accuracy electricity/water/gas meter with tamper detection, time-of-use billing, and secure remote firmware updates. IC Role / Device Role / Timing Role: Primary system controller executing metrology algorithms, managing LCD display, handling secure communication, and maintaining RTC-synchronized logging. Use Value: Dual-bank flash enables fail-safe OTA updates; 24-bit SDADC24 achieves Class 0.2 accuracy per IEC 62053; AES-256 secures firmware integrity against malicious injection. | Use Scenario: Battery-powered ECG, blood glucose, or spirometry device requiring long runtime, clinical-grade signal fidelity, and HIPAA-compliant data encryption. IC Role / Device Role / Timing Role: Analog front-end processor with SDADC24 oversampling, real-time filtering, and secure local storage of patient waveforms. Use Value: 24-bit resolution captures microvolt-level biopotentials; low-power AGT timers trigger periodic measurements; TRNG seeds cryptographic keys for data-at-rest encryption. |
| Industrial HMI Panels | Environmental Monitoring Nodes |
Use Scenario: Ruggedized touchless control panel for factory automation, displaying real-time process variables and alarms under wide temperature ranges. IC Role / Device Role / Timing Role: Display controller driving segmented LCD with built-in voltage boosting; handles button scanning, LED indicators, and RS-485 communication. Use Value: Integrated SLCDC eliminates external LCD driver IC; 105°C rating ensures reliability in uncooled enclosures; 5-V-tolerant GPIO simplifies interface to legacy 5-V sensors. | Use Scenario: Solar-powered air quality station measuring PM2.5, CO₂, and humidity across remote locations with multi-year battery life. IC Role / Device Role / Timing Role: Low-duty-cycle sensor aggregator-wakes on interrupt, acquires data via SDADC24, processes with MACL, encrypts, and transmits via sub-GHz radio. Use Value: Sub-μA deep-sleep current extends battery life; MACL accelerates FIR filtering of gas sensor outputs; LVD_VRTC monitors backup supercap health. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar low-power secure MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA2A2BD3CFP | Same RA2A2 family, 100-pin LQFP, but only 4-channel SDADC24 (vs. 7 ch in A variant); identical flash/SRAM/security features. | Targeted at cost-optimized metering where fewer analog channels suffice; lacks full 7-ch SDADC24 headroom for future sensor expansion. | Select R7FA6T2BB3CFL#BA1 when 7-channel SDADC24, full 45-seg LCD, or maximum analog channel count is required. |
| R7FA6M2AF3CFP | RA6M2 family part: Cortex-M33 core, 100 MHz, 1 MB flash, no SDADC24, adds CAN FD and Ethernet; higher performance, no integrated LCD. | Suitable for gateway-class devices needing network connectivity and higher compute, but requires external ADC/LCD drivers for sensor/HMI functions. | Choose R7FA6T2BB3CFL#BA1 for integrated analog+LCD+security in compact, battery-constrained edge nodes-not for networked gateways. |
Compared with R7FA2A2BD3CFP, R7FA6T2BB3CFL#BA1 provides 3 additional SDADC24 channels and extended LCD segment count; versus R7FA6M2AF3CFP, it trades raw CPU speed and connectivity for on-chip analog precision, ultra-low-power operation, and human interface integration-making it optimal for self-contained sensor endpoints.
Availability
R7FA6T2BB3CFL#BA1 is available at Aetrix Electronics and suitable for smart metering, portable medical instrumentation, industrial HMI panels, and environmental monitoring nodes requiring stable component supply across extended product lifecycles.
Supply support for R7FA6T2BB3CFL#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 is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The RA2A2 group-including R7FA6T2BB3CFL#BA1-is designed for ultra-low-power, secure, and analog-rich embedded applications such as utility metering, portable healthcare, and industrial HMI, emphasizing integrated precision sensing and robust firmware security.
FAQ
What is the maximum operating frequency and core architecture of the R7FA6T2BB3CFL#BA1?
The R7FA6T2BB3CFL#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 debug support via SW-DP. This architecture delivers efficient secure execution for low-power applications while maintaining compatibility with Arm's TrustZone ecosystem.
Does the R7FA6T2BB3CFL#BA1 support hardware-accelerated cryptography?
Yes, the R7FA6T2BB3CFL#BA1 integrates a dedicated hardware AES engine supporting ECB, CBC, CTR, GCM, CMAC, and CCM modes with 128- and 256-bit key lengths. It also includes a True Random Number Generator (TRNG) for cryptographically secure key derivation. These features enable fast, low-power authenticated encryption essential for secure firmware updates and protected sensor data storage in the R7FA6T2BB3CFL#BA1.
How many analog input channels does the 24-bit SDADC24 support on the R7FA6T2BB3CFL#BA1?
The R7FA6T2BB3CFL#BA1's 24-bit Sigma-Delta ADC (SDADC24) supports up to 4 differential input channels (ANIP0–ANIP3 / ANIN0–ANIN3), as confirmed by its RA2A2 Group part numbering ('B' suffix denotes 4-channel SDADC24). This configuration enables high-resolution simultaneous acquisition from multiple precision sensors-such as shunt-based current monitors or thermopile arrays-without external signal conditioning.
What LCD driving capability does the R7FA6T2BB3CFL#BA1 provide?
The R7FA6T2BB3CFL#BA1 integrates a Segment LCD Controller (SLCDC) supporting up to 45 segment outputs and 4 common outputs (or 41 segments × 8 commons). It offers selectable drive methods-internal voltage boosting, capacitor split, or external resistor division-and waveform A/B selection. This allows direct, low-component-count LCD glass driving in industrial and medical displays without external bias generators.
What package type and pin count does the R7FA6T2BB3CFL#BA1 use?
The R7FA6T2BB3CFL#BA1 is supplied in a 100-pin LQFP package (PLQP0100KB-B), measuring 14 mm × 14 mm with 0.5 mm pitch. This package accommodates its full I/O set-including 67 general-purpose pins, 3 dedicated input-only pins, 1 output-only pin, and all SDADC24, RTCIC, and SLCDC signals-while meeting industrial temperature requirements (−40°C to +105°C).
R7FA6T2BB3CFL#BA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-LQFP
- Series:
- RA6T2
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M33
- Core Size:
- 32-Bit
- Speed:
- 240MHz
- Connectivity:
- CANbus, I2C, LINbus, SCI, SPI, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 35
- 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 10x12b SAR; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA6T2BB3CFL#BA1 FAQ
1.How can I place an order for R7FA6T2BB3CFL#BA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6T2BB3CFL#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 R7FA6T2BB3CFL#BA1 reliable?
The price and inventory of R7FA6T2BB3CFL#BA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6T2BB3CFL#BA1 is usually 5 days.
3.What payment methods are accepted for R7FA6T2BB3CFL#BA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA6T2BB3CFL#BA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA6T2BB3CFL#BA1?
R7FA6T2BB3CFL#BA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA6T2BB3CFL#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 R7FA6T2BB3CFL#BA1?
For technical support, including R7FA6T2BB3CFL#BA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6T2BB3CFL#BA1 requirements.
6.How does Aetrix verify that R7FA6T2BB3CFL#BA1 is sourced from the original manufacturer or authorized distributors?
All R7FA6T2BB3CFL#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 R7FA6T2BB3CFL#BA1 meets industry standards.
7.What is the process for return or replacement of R7FA6T2BB3CFL#BA1?
All R7FA6T2BB3CFL#BA1 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6T2BB3CFL#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 R7FA6T2BB3CFL#BA1 part is unused and in its original packaging.
Return procedure for R7FA6T2BB3CFL#BA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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