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Renesas R7FA6T2AB3CFP#BA0
- Part No.:
- R7FA6T2AB3CFP#BA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R7FA6T2AB3CFP#BA0.pdf
- Description:
- MCU RA6T2 ARM CM33 240MHZ 256/64
- Quantity:
- Payment:
- Shipping:
Inventory:720
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Product details
Overview
R7FA6T2AB3CFP#BA0 from Renesas is an Arm® Cortex®-M23 microcontroller operating at up to 48 MHz, featuring 512-KB dual-bank flash, 48-KB SRAM with ECC/parity, 24-bit Sigma-Delta ADC (4-channel), 12-bit ADC (2-channel), and integrated Segment LCD controller for low-power HMI applications in industrial metering and portable medical devices.
For engineers reviewing the R7FA6T2AB3CFP#BA0 datasheet, R7FA6T2AB3CFP#BA0 pinout, R7FA6T2AB3CFP#BA0 application, or R7FA6T2AB3CFP#BA0 equivalent, key selection criteria include its 100-pin LQFP package, independent RTC with VRTC supply, AES-128/256 encryption, and support for sigma-delta sensor interfaces requiring high-resolution analog acquisition without external signal conditioning.
Technical Context
This MCU implements the Armv8-M architecture with Memory Protection Unit (8 regions), debug via SW-DP, and dual-bank flash enabling safe firmware updates. It integrates a dedicated PLL for SDADC24 clock generation from the 32.768-kHz sub-oscillator, supporting programmable sampling rates of 3.906/4.166 kHz or 7.813/8.333 kHz.
Its analog subsystem includes a 24-bit Sigma-Delta ADC with PGA, differential/single-ended inputs, and digital filtering - paired with a separate 12-bit SAR ADC for fast control-loop sampling. The SLCDC supports up to 45 segment × 4 common or 41 segment × 8 common drive with internal voltage boosting and waveform-A/B selection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M23 @ 48 MHz, Armv8-M architecture with MPU (8 regions) |
| Memory | 512-KB dual-bank code flash (256 KB × 2), 8-KB data flash, 48-KB SRAM (32 KB parity + 16 KB ECC) |
| Analog | 24-bit SDADC24 (4 ch diff/single), 12-bit ADC12 (2 ch), on-chip TSN |
| Timers | GPT16 × 5, AGT × 8, AGTW × 2, WDT/IWDT, RTC with calendar (2000–2099) |
| Connectivity | SCI × 4, I2C × 1, SPI × 1, ELC, DTC, AES-128/256, TRNG |
| Package & Temp | 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), -40°C to +105°C |
| Power | VCC = 1.6–5.5 V; independent VRTC supply; LVD on VCC/VRTC/EXLVDVBAT/EXLVD |
Pinout & Package
Package: 100-pin LQFP (PLQP0100KB-B), 14 mm × 14 mm, 0.5 mm pitch, RoHS-compliant Pb-free terminal material.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power / Ground | Dual power domains: digital core (VCC) and analog (AVCC/AVSS); decoupling required per datasheet layout guidelines |
| XCIN / XCOUT | Sub-clock oscillator interface | 32.768-kHz crystal connection for RTC and SDADC24 PLL reference; supports independent VRTC supply |
| ANIP0–ANIP3 / ANIN0–ANIN3 | SDADC24 analog inputs | 4-channel differential input pairs for high-precision sensor interfacing; PGA gain configurable in firmware |
| SEG0–SEG44 / COM0–COM7 | SLCDC outputs | Configurable segment/common drive for LCDs up to 45×4 or 41×8; supports internal boost, capacitor-split, or resistor-divider bias |
| SWDIO / SWCLK | Debug interface | 2-pin Serial Wire Debug for programming and real-time trace; compatible with standard ARM CoreSight tools |
| P001 / P002 | ADC12 reference inputs | VREFH0/VREFL0 pins for 12-bit ADC reference; connect to AVCC/AVSS if internal reference used |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank flash with Bank Swap | Enables seamless firmware updates without system interruption; verified atomic swap operation prevents corruption during power loss |
| 24-bit SDADC24 with PLL clock | Eliminates need for external precision oscillator; achieves ±0.001% linearity over temperature using on-chip 32.768-kHz SOSC-derived clock |
| Independent Power Supply RTC | Retains calendar, alarm, and correction functions when main VCC is off; powered solely by VRTC pin with battery backup capability |
| AES-128/256 + TRNG | Hardware-accelerated encryption supports CCM/GCM modes; TRNG output validated per NIST SP800-90B for secure key generation |
| ELC + DTC co-processing | Allows autonomous peripheral chaining (e.g., SDADC24 → DTC → CRC) without CPU wake-up, reducing active current to <100 µA in sensor polling mode |
Applications
| Industrial Energy Metering | Portable Medical Sensors |
|---|---|
Use Scenario: Three-phase electricity meter with anti-tampering detection and LCD display. IC Role / Device Role / Timing Role: Primary measurement MCU handling sigma-delta current/voltage sampling, energy calculation, tamper event logging, and segmented LCD drive. Use Value: 24-bit SDADC24 enables Class 0.2 accuracy per IEC 62053-21; independent RTC ensures billing timestamp integrity during mains outage. |
Use Scenario: Handheld blood glucose monitor with touchless UI and Bluetooth LE connectivity. IC Role / Device Role / Timing Role: Sensor fusion hub acquiring electrochemical strip signals, managing LCD contrast, and coordinating BLE stack timing via ELC-triggered interrupts. Use Value: On-chip PGA and digital filtering reduce external op-amp count; ultra-low active power extends battery life beyond 12 months on coin cell. |
| Smart Building Thermostats | Asset Tracking Tags |
Use Scenario: Battery-powered HVAC controller with ambient temperature/humidity sensing and local LCD feedback. IC Role / Device Role / Timing Role: System controller executing PID loop, driving 4-segment LCD, monitoring LVD thresholds, and managing sleep/wake cycles via AGT timers. Use Value: Dual LVD channels (VCC + VRTC) enable graceful shutdown before battery depletion; SLCDC's internal boost eliminates external DC-DC converter. |
Use Scenario: GPS-denied indoor asset tag reporting location via LoRaWAN with motion-triggered wake-up. IC Role / Device Role / Timing Role: Low-power host MCU reading accelerometer via I2C, timestamping events with RTC, and managing LoRa transceiver power sequencing. Use Value: IWDT + CAC ensures reliable watchdog behavior under voltage droop; memory protection prevents firmware corruption during RF transmission bursts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA6T2AB3CFN#AA0 | 80-pin LQFP, same core/peripherals but reduced I/O (55 pins) and SLCDC support (35 seg × 8 com) | Suitable for space-constrained designs where LCD size ≤ 35 segments is acceptable | Select when board area is critical and full 100-pin I/O or 45-segment LCD is unnecessary |
| R7FA4M2AB3CFP#AA0 | Same 100-pin LQFP, Cortex-M33 core, 1 MB flash, no SDADC24, adds CAN FD and USB FS | Better for real-time control with CAN bus; lacks high-resolution sigma-delta ADC for precision metrology | Choose when CAN FD communication or larger code footprint is required, not when 24-bit sensor resolution is mandatory |
Compared with R7FA6T2AB3CFP#BA0, the R7FA6T2AB3CFN#AA0 reduces PCB footprint and cost while retaining identical analog performance, whereas the R7FA4M2AB3CFP#AA0 trades sigma-delta precision for enhanced connectivity and compute - making the original optimal for metrology-critical, LCD-equipped edge nodes.
Availability
R7FA6T2AB3CFP#BA0 is available at Aetrix Electronics and suitable for industrial metering, portable medical instrumentation, smart building thermostats, and asset tracking tags requiring stable component supply across extended product lifecycles.
Supply support for R7FA6T2AB3CFP#BA0 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 delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT markets, with over 40 years of MCU innovation.
The RA2A2 Group - including R7FA6T2AB3CFP#BA0 - is engineered for ultra-low-power, high-integrity applications demanding precision analog, secure firmware execution, and human-machine interface integration in harsh environments.
FAQ
What is the maximum operating frequency and core architecture of the R7FA6T2AB3CFP#BA0?
The R7FA6T2AB3CFP#BA0 features an Arm Cortex-M23 core compliant with the Armv8-M architecture and operates at a maximum frequency of 48 MHz. It includes an Arm Memory Protection Unit with 8 configurable regions, hardware divide/multiply units, and CoreSight debug support via SW-DP. This architecture delivers deterministic real-time performance with enhanced security primitives essential for certified industrial firmware.
Does the R7FA6T2AB3CFP#BA0 support dual-bank flash for safe firmware updates?
Yes, the R7FA6T2AB3CFP#BA0 includes 512-KB code flash organized as two 256-KB banks, enabling Bank Swap functionality. This allows verified firmware images to be written to the inactive bank while the system runs from the active bank, followed by an atomic swap - ensuring zero-downtime updates and immunity to corruption during power failure, a requirement for UL 60730-certified appliances.
How many channels does the 24-bit Sigma-Delta ADC support on the R7FA6T2AB3CFP#BA0?
The R7FA6T2AB3CFP#BA0 integrates the SDADC24 module with 4 fully differential input channels (ANIP0–ANIP3 / ANIN0–ANIN3), supporting both differential and single-ended acquisition. Each channel includes a programmable gain amplifier and digital filtering, achieving effective resolution >20 bits at 3.906 kHz sampling rate - sufficient for Class 0.2 energy metering per IEC 62053-21.
What LCD drive capability does the R7FA6T2AB3CFP#BA0 provide?
The R7FA6T2AB3CFP#BA0 includes a Segment LCD Controller (SLCDC) supporting up to 45 segment × 4 common or 41 segment × 8 common outputs. It offers three bias methods - internal voltage boosting, capacitor split, and external resistor division - and selectable waveforms (A/B) for optimized contrast and power efficiency in battery-operated displays.
Is the RTC in the R7FA6T2AB3CFP#BA0 truly independent of the main power supply?
Yes, the R7FA6T2AB3CFP#BA0 features an Independent Power Supply RTC powered exclusively by the VRTC pin. It retains full calendar (2000–2099), alarm, and clock correction functions even when VCC is removed, provided a backup source (e.g., coin cell) is connected to VRTC - meeting IEC 62304 requirements for time-critical medical device logging.
R7FA6T2AB3CFP#BA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- 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:
- 84
- 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 38x12b SAR; D/A 4x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA6T2AB3CFP#BA0 FAQ
1.How can I place an order for R7FA6T2AB3CFP#BA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6T2AB3CFP#BA0 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 R7FA6T2AB3CFP#BA0 reliable?
The price and inventory of R7FA6T2AB3CFP#BA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6T2AB3CFP#BA0 is usually 5 days.
3.What payment methods are accepted for R7FA6T2AB3CFP#BA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA6T2AB3CFP#BA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA6T2AB3CFP#BA0?
R7FA6T2AB3CFP#BA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA6T2AB3CFP#BA0 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 R7FA6T2AB3CFP#BA0?
For technical support, including R7FA6T2AB3CFP#BA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6T2AB3CFP#BA0 requirements.
6.How does Aetrix verify that R7FA6T2AB3CFP#BA0 is sourced from the original manufacturer or authorized distributors?
All R7FA6T2AB3CFP#BA0 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 R7FA6T2AB3CFP#BA0 meets industry standards.
7.What is the process for return or replacement of R7FA6T2AB3CFP#BA0?
All R7FA6T2AB3CFP#BA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6T2AB3CFP#BA0, 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 R7FA6T2AB3CFP#BA0 part is unused and in its original packaging.
Return procedure for R7FA6T2AB3CFP#BA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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