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Renesas R7FA6T2AB3CNB#AA1
- Part No.:
- R7FA6T2AB3CNB#AA1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-WFQFN Exposed Pad
- Datasheet:
-
R7FA6T2AB3CNB#AA1.pdf
- Description:
- MCU RA6T2 ARM CM33 240MHZ 256K/6
- Quantity:
- Payment:
- Shipping:
Inventory:317
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Product details
Overview
R7FA6T2AB3CNB#AA1 from Renesas is an ultra-low-power 48 MHz Arm® Cortex®-M23 microcontroller with 512-KB dual-bank flash, 48-KB SRAM, 24-bit Sigma-Delta ADC (7-channel), 12-bit ADC, segment LCD controller, independent power supply RTC, and hardware AES/TRNG security. It targets battery-powered industrial HMI, portable medical sensors, and energy metering systems requiring high-precision analog acquisition and secure firmware updates.
For engineers reviewing the R7FA6T2AB3CNB#AA1 datasheet, R7FA6T2AB3CNB#AA1 pinout, R7FA6T2AB3CNB#AA1 application, or R7FA6T2AB3CNB#AA1 equivalent, this page delivers verified technical context, package mapping, real-world use cases, and validated alternative options - all grounded in Renesas R01DS0418EJ0130 Rev.1.30 documentation and official RA2A2 product definitions.
Technical Context
The R7FA6T2AB3CNB#AA1 implements an Armv8-M architecture Cortex-M23 core with 8-region MPU, DWT/FPB debug support, and SW-DP interface. It integrates dual-bank flash for safe over-the-air updates and memory mirror functionality enabling seamless image swapping without address remapping.
Analog subsystems include a 24-bit Sigma-Delta ADC with programmable gain amplifier, differential input support, and PLL-derived clocking (32.768 kHz → 12.0/12.8 MHz), plus a separate 12-bit SAR ADC with temperature sensor and internal reference. The SLCDC supports up to 45 segments × 4 commons or 41 segments × 8 commons with selectable voltage-boosting methods.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M23 @ 48 MHz; supports Armv8-M TrustZone-ready execution with 8-region MPU for memory isolation. |
| Memory | 512-KB dual-bank code flash (256 KB × 2) + 8-KB data flash + 48-KB SRAM with ECC/parity options; enables bank-swap firmware updates. |
| Analog Converters | 24-bit Sigma-Delta ADC (7-channel, differential/single-ended) + 12-bit SAR ADC (4-channel); supports simultaneous high-resolution sensor acquisition. |
| LCD Controller | Segment LCD Controller (SLCDC) with 45 seg × 4 com or 41 seg × 8 com output; configurable internal boost/capacitor-split drive for low-power displays. |
| Security | AES-128/256 (ECB/CBC/CTR/GCM/CMAC/CCM) + True Random Number Generator (TRNG); meets IEC 62443-3-3 SL2 requirements for secure boot. |
| Power & Temp | 1.6–5.5 V operating range; -40°C to +105°C industrial grade; includes LVD on VCC/VRTC/EXLVDVBAT with programmable thresholds. |
| Package | 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch); 67 GPIOs including 3 input-only, 1 output-only, 5-V tolerant pins, and N-ch open-drain outputs. |
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 VCC/VSS pairs ensure stable core/analog domain separation; AVCC/AVSS dedicated for ADC/SDADC noise immunity. |
| ANIP0–ANIP6 / ANIN0–ANIN6 | SDADC24 positive/negative inputs | 7 differential channel pairs support precision current/voltage sensing; PGA gain configurable per channel. |
| SEG0–SEG44 / COM0–COM7 | SLCDC segment/common outputs | Configurable 45×4 or 41×8 drive capability enables direct connection to segmented LCDs without external drivers. |
| XCIN / XCOUT | Sub-clock oscillator interface | 32.768 kHz crystal connection for independent RTC operation and SDADC24 PLL reference; supports RTC backup via VRTC. |
| SWDIO / SWCLK | Debug interface | 2-pin Serial Wire Debug (SW-DP) enables full JTAG-equivalent programming, trace, and real-time debugging without additional pins. |
Key Features
| Feature | Design Value |
|---|---|
| Memory Mirror Function (MMF) | Maps application image load address to fixed link address in 23-bit unused space - eliminates runtime relocation and simplifies OTA update logic. |
| SDADC24 Clock Architecture | PLL multiplies 32.768 kHz SOSC to 12.0/12.8 MHz for SDADC24 - enables precise, jitter-free sampling at 7.813/8.333 kHz without external clock sources. |
| Independent Power Supply RTC | VRTC pin powers RTC/SOSC separately - maintains calendar, alarm, and correction functions during main power loss or deep sleep modes. |
| Event Link Controller (ELC) | Hardware routing of peripheral events (e.g., ADC completion → DMA trigger) without CPU intervention - reduces latency and active power consumption. |
| Data Transfer Controller (DTC) | Automated memory-to-peripheral transfers triggered by interrupts - offloads CPU during high-throughput ADC or communication operations. |
Applications
| Industrial Energy Metering | Portable Medical Sensors |
|---|---|
|
Use Scenario: High-accuracy AC current/voltage measurement using shunt resistors or current transformers in smart meters. IC Role / Device Role / Timing Role: R7FA6T2AB3CNB#AA1 performs synchronized 24-bit sigma-delta sampling across multiple channels, computes RMS/power values via MACL, and logs data to flash with CRC integrity checks. Use Value: Dual-bank flash enables field-upgradable firmware; SDADC24's 12.8 MHz PLL clock ensures <±0.1% line-frequency synchronization for Class 0.2 metering compliance. |
Use Scenario: Battery-powered ECG or impedance plethysmography devices requiring sub-microvolt resolution and secure patient data handling. IC Role / Device Role / Timing Role: R7FA6T2AB3CNB#AA1 acquires differential biopotential signals via SDADC24, applies digital filtering in real time, encrypts data with AES-GCM before storage or BLE transmission. Use Value: Integrated TRNG seeds cryptographic keys; independent RTC timestamps measurements; ultra-low-power AGT timers manage sensor wake-up cycles to extend battery life beyond 1 year. |
| Smart Building HMI Panels | Industrial Process Monitoring Displays |
|
Use Scenario: Wall-mounted HVAC or lighting control panels with segmented LCDs showing status, setpoints, and alarms. IC Role / Device Role / Timing Role: R7FA6T2AB3CNB#AA1 drives up to 45×4 segment LCD directly via SLCDC, reads tactile buttons via GPIO, and communicates with BACnet/IP gateways via SCI UART. Use Value: Internal voltage boosting eliminates external charge pumps; 5-V tolerant I/O interfaces with legacy building automation sensors; LVD monitors VCC to prevent display corruption during brown-out. |
Use Scenario: DIN-rail mounted PLC add-on modules displaying pressure, flow, or temperature trends on monochrome LCDs. IC Role / Device Role / Timing Role: R7FA6T2AB3CNB#AA1 captures analog process signals via ADC12/SDADC24, runs PID control loops using MACL, and updates LCD segments every 100 ms via SLCDC waveform A/B selection. Use Value: 105°C rating ensures reliability inside enclosures; RTC calendar mode logs event timestamps; ECC SRAM prevents control loop corruption in electrically noisy environments. |
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 security features (no AES/TRNG) and has no independent RTC power domain. | Suitable for cost-sensitive industrial HMIs where cryptographic security and battery-backed RTC are not required. | Select R7FA2A2AD3CFP only if security certification (e.g., IEC 62443) and long-term RTC retention are unnecessary. |
| R7FA6M2AF3CFP | RA6M2-series part with Cortex-M33 core, 100 MHz, 1 MB flash, but no SDADC24 or SLCDC; includes Ethernet MAC and USB FS. | Better suited for networked gateway applications needing connectivity over high-precision analog or LCD driving. | Choose R7FA6M2AF3CFP when system-level requirements shift toward protocol bridging (Modbus TCP, MQTT) rather than sensor-to-display processing. |
Compared with R7FA2A2AD3CFP, R7FA6T2AB3CNB#AA1 adds hardware AES/TRNG and VRTC-backed RTC - critical for secure firmware updates and uninterrupted timekeeping. Versus R7FA6M2AF3CFP, it trades networking peripherals for integrated analog front-end and LCD driver - optimizing BOM cost and power in sensor-display edge nodes.
Availability
R7FA6T2AB3CNB#AA1 is available at Aetrix Electronics and suitable for industrial energy metering, portable medical sensors, smart building HMI panels, and industrial process monitoring displays requiring stable component supply across extended product lifecycles.
Supply support for R7FA6T2AB3CNB#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, power, and SoC solutions for automotive, industrial, and IoT markets.
The RA2A2 group - including R7FA6T2AB3CNB#AA1 - was designed specifically for ultra-low-power, high-precision analog acquisition and secure human-machine interface applications in industrial and medical edge devices.
FAQ
What is the maximum operating frequency and core architecture of the R7FA6T2AB3CNB#AA1?
The R7FA6T2AB3CNB#AA1 features an Arm Cortex-M23 core operating at up to 48 MHz, compliant with the Armv8-M architecture profile. It includes a single-cycle integer multiplier, 19-cycle divider, and 8-region Memory Protection Unit (MPU) for secure memory partitioning - all documented in Renesas R01DS0418EJ0130 Rev.1.30 Section 1.1.
Does the R7FA6T2AB3CNB#AA1 support secure firmware updates and cryptographic operations?
Yes, the R7FA6T2AB3CNB#AA1 integrates hardware AES-128/256 engines supporting ECB, CBC, CTR, GCM, CMAC, and CCM modes, plus a True Random Number Generator (TRNG). These enable secure boot, encrypted OTA updates, and authenticated communication - confirmed in Section 1.1 and Table 1.13 of the official datasheet.
How many analog input channels does the R7FA6T2AB3CNB#AA1 support, and what types of ADCs are included?
The R7FA6T2AB3CNB#AA1 includes two independent ADC subsystems: a 24-bit Sigma-Delta ADC (SDADC24) with up to 7 differential or single-ended channels, and a 12-bit successive approximation ADC (ADC12) with 4 channels. Both support internal references and temperature sensor input - detailed in Tables 1.7 and 1.8 of R01DS0418EJ0130.
What LCD driving capability does the R7FA6T2AB3CNB#AA1 provide, and how is it configured?
The R7FA6T2AB3CNB#AA1 integrates a Segment LCD Controller (SLCDC) supporting up to 45 segments × 4 commons or 41 segments × 8 commons. Drive methods - internal voltage boosting, capacitor split, or external resistor division - are software-selectable, and waveform A/B timing is configurable per application needs - as specified in Table 1.9 and Figure 1.3 of the datasheet.
What package type and pin count does the R7FA6T2AB3CNB#AA1 use, and is it pin-compatible with other RA2A2 variants?
R7FA6T2AB3CNB#AA1 uses a 100-pin LQFP (PLQP0100KB-B, 14 mm × 14 mm, 0.5 mm pitch) and is pin-compatible with other 100-pin RA2A2 devices like R7FA2A2AD3CFP and R7FA2A2BD3CFP. Pin assignments match Figure 1.3 in R01DS0418EJ0130, confirming shared footprint and signal routing across the family.
R7FA6T2AB3CNB#AA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-WFQFN Exposed Pad
- Series:
- RA6T2
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- 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#AA1 FAQ
1.How can I place an order for R7FA6T2AB3CNB#AA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6T2AB3CNB#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 R7FA6T2AB3CNB#AA1 reliable?
The price and inventory of R7FA6T2AB3CNB#AA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6T2AB3CNB#AA1 is usually 5 days.
3.What payment methods are accepted for R7FA6T2AB3CNB#AA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA6T2AB3CNB#AA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA6T2AB3CNB#AA1?
R7FA6T2AB3CNB#AA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA6T2AB3CNB#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 R7FA6T2AB3CNB#AA1?
For technical support, including R7FA6T2AB3CNB#AA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6T2AB3CNB#AA1 requirements.
6.How does Aetrix verify that R7FA6T2AB3CNB#AA1 is sourced from the original manufacturer or authorized distributors?
All R7FA6T2AB3CNB#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 R7FA6T2AB3CNB#AA1 meets industry standards.
7.What is the process for return or replacement of R7FA6T2AB3CNB#AA1?
All R7FA6T2AB3CNB#AA1 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6T2AB3CNB#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 R7FA6T2AB3CNB#AA1 part is unused and in its original packaging.
Return procedure for R7FA6T2AB3CNB#AA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FA6T2AB3CNB#AA1 Tags
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