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Renesas R7FA6T1AB3CFP#AA0
- Part No.:
- R7FA6T1AB3CFP#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R7FA6T1AB3CFP#AA0.pdf
- Description:
- IC MCU 32BIT 256KB FLSH 100LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:703
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Product details
Overview
R7FA6T1AB3CFP from Renesas Electronics is a 32-bit Arm Cortex-M4 microcontroller with FPU, operating at up to 120 MHz, featuring 256 KB code flash, 64 KB SRAM, and integrated CAN, dual I²C, dual SPI, seven SCI channels, 12-bit ADC/DAC, six high-speed comparators, and hardware crypto acceleration (AES/SHA/RSA/TRNG). It targets real-time motor control and industrial automation systems requiring functional safety support and analog signal conditioning.
For engineers reviewing the R7FA6T1AB3CFP datasheet, R7FA6T1AB3CFP pinout, R7FA6T1AB3CFP application, or R7FA6T1AB3CFP equivalent, this page delivers verified specifications, package mapping, validated pin functions, safety-critical peripheral details (IWDT, CAC, MPU), and direct alternative part comparisons - all confirmed against Renesas R01DS0375EU0120 Rev.1.20.
Technical Context
The R7FA6T1AB3CFP implements an Armv7E-M architecture with DSP extensions and single-precision FPU, supporting deterministic real-time execution in motor control loops. Its memory subsystem includes 256 KB zero-wait-state flash, 8 KB data flash (125k erase cycles), 64 KB SRAM, Memory Mirror Function (MMF), and MPU-enforced isolation across four regions.
Peripherals are tightly coupled via Event Link Controller (ELC) for CPU-free inter-module triggering, and include dual 12-bit ADCs (11+8 channels, 3-sample-and-hold per unit), two 12-bit DACs, six ACMPHS comparators with PGA inputs, and a dedicated CAN 2.0B module with 32 mailboxes - all operating within -40°C to +105°C under 2.7–3.6 V supply.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M4 with FPU, 120 MHz max - enables floating-point math for motor vector control without software emulation. |
| Memory | 256 KB code flash (40 MHz zero wait), 8 KB data flash, 64 KB SRAM - supports firmware updates and runtime parameter storage with endurance guarantee. |
| Analog Peripherals | ADC12 × 2 (11+8 ch, 12/10/8-bit selectable), DAC12 × 2, ACMPHS × 6, PGA × 6 - allows simultaneous current/voltage sensing and closed-loop analog feedback. |
| Timers | GPT32EH × 4, GPT32E × 3, GPT32 × 4, AGT × 2 - provides high-resolution PWM generation (BLDC/FOC), precise timing, and low-power event counting. |
| Connectivity | CAN × 1 (ISO 11898-1), SCI × 7, I²C × 2, SPI × 2, IrDA - enables robust fieldbus communication and multi-sensor interfacing in noisy environments. |
| Security & Safety | SCE7 crypto engine (AES128/192/256, SHA256, RSA, TRNG), CAC, IWDT, SRAM parity, MPU, LVD - meets IEC 61508 SIL2-ready requirements. |
| Package & Temp | 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), -40°C to +105°C - suitable for industrial-grade PCB layouts with thermal margin. |
Pinout & Package
Package: 100-pin LQFP (PLQP0100KB-B), 14 mm × 14 mm, 0.5 mm pitch, Pb-free Sn terminal finish, rated for -40°C to +105°C operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Digital power supply / ground | Decoupled per section using 0.1 µF capacitors; supports stable 2.7–3.6 V operation across all peripherals. |
| XTAL / EXTAL | Main clock oscillator interface | Supports 8–24 MHz crystal or external clock for precise system timing and PLL synchronization. |
| CRX0 / CTX0 | CAN physical layer I/O | Differential receive/transmit pins compliant with ISO 11898-1; require external transceiver for bus connection. |
| GTIOC0A–GTIOC12B | PWM input capture / output compare | Configurable for 3-phase BLDC motor control (U/V/W phases) with complementary outputs and dead-time insertion. |
| AN000–AN007, AN100–AN107 | Analog input channels | 17 total ADC inputs including shared pins (AN005/AN105); support temperature sensor and internal reference voltage sampling. |
| DA0 / DA1 | Analog output | 12-bit buffered DAC outputs usable for reference generation, bias control, or analog actuator drive. |
Key Features
| Feature | Design Value |
|---|---|
| Memory Mirror Function (MMF) | Enables application code to execute from mirrored address space - simplifies firmware update without linker reconfiguration. |
| Event Link Controller (ELC) | Direct hardware-triggered peripheral chaining (e.g., ADC end-of-conversion → DMA transfer → GPT reload) eliminates CPU polling overhead. |
| Port Output Enable for GPT (POEG) | Hardware-controlled disable of GPT output pins during fault conditions - prevents unsafe PWM states in motor drives. |
| Independent Watchdog Timer (IWDT) | Dedicated 15 kHz clock source ensures fail-safe reset even if main clock fails - critical for ASIL-B-equivalent designs. |
| Secure Crypto Engine 7 (SCE7) | Hardware-accelerated AES/SHA/RSA with TRNG output - enables secure boot, firmware authentication, and encrypted communication without CPU load. |
Applications
| Industrial Motor Control | Automotive Body Control Module |
|---|---|
Use Scenario: Real-time field-oriented control (FOC) of 3-phase BLDC motors in HVAC compressors or pump drives. IC Role / Device Role / Timing Role: Primary controller executing FOC algorithm, generating synchronized PWM outputs, sampling current/voltage sensors, and managing CAN diagnostics. Use Value: Integrated GPT32EH timers with complementary outputs and POEG fault protection ensure precise 100 ns PWM resolution and safe shutdown on overcurrent detection. |
Use Scenario: Centralized body electronics node managing door locks, window lifts, lighting, and mirror controls in 12 V automotive systems. IC Role / Device Role / Timing Role: System-on-chip host processor handling LIN/CAN messaging, analog sensor monitoring (temperature, position), and PWM dimming control. Use Value: Dual 12-bit ADCs with PGA support accurate current sensing for motor stall detection; SCE7 enables secure ECU reprogramming over CAN. |
| Smart Grid Protection Relay | Factory Automation I/O Hub |
Use Scenario: Fault detection and tripping logic in medium-voltage feeder protection relays with time-synchronized sampling. IC Role / Device Role / Timing Role: Real-time acquisition and analysis of voltage/current waveforms via ADC12, timestamping with AGT, and issuing trip commands via GPIO or CAN. Use Value: CAC validates clock accuracy for IEC 61850-9-2 sampling compliance; IWDT and MPU enforce deterministic response under fault conditions. |
Use Scenario: Distributed I/O concentrator aggregating analog sensor data (pressure, flow, temp), digital inputs, and driving solenoids/valves in PLC-connected machinery. IC Role / Device Role / Timing Role: Edge intelligence node performing local PID control, sensor fusion, and protocol translation between Modbus RTU and EtherCAT. Use Value: Seven SCI interfaces enable concurrent RS-485 Modbus slave/master operation; 64 KB SRAM buffers multi-channel sensor logs during network outages. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA6T1AD3CFP | 512 KB code flash (vs. 256 KB), same 100-pin LQFP package and peripheral set. | Preferred for larger firmware images requiring OTA updates or complex protocol stacks (e.g., CAN FD + TLS). | Select when additional flash is needed without changing PCB layout or driver software. |
| R7FA6T1AB3CFM | 64-pin LQFP, 256 KB flash, reduced I/O count (35 vs. 67), fewer ADC channels (7+3 vs. 11+8), no CAN. | Suitable for cost-sensitive, space-constrained applications lacking fieldbus requirements (e.g., basic sensor nodes). | Choose only if CAN, full analog capability, and 100-pin I/O density are not required. |
Compared with R7FA6T1AB3CFP, R7FA6T1AD3CFP offers double flash capacity for future-proofing firmware, while R7FA6T1AB3CFM sacrifices CAN, analog resources, and I/O for smaller footprint and lower BOM cost - neither is pin-compatible nor drop-in replaceable due to package and peripheral differences.
Availability
R7FA6T1AB3CFP is available at Aetrix Electronics and suitable for industrial motor control, automotive body electronics, smart grid protection relays, and factory automation I/O hubs requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R7FA6T1AB3CFP 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, and power solutions for industrial, automotive, and IoT applications.
The RA6T1 group - including R7FA6T1AB3CFP - is engineered for real-time motor control and industrial automation, integrating high-precision analog, safety-certifiable peripherals, and Arm Cortex-M4 performance in a scalable platform.
FAQ
What is the maximum operating frequency and core type of the R7FA6T1AB3CFP?
The R7FA6T1AB3CFP features an Arm Cortex-M4 core with Floating Point Unit (FPU), operating at a maximum frequency of 120 MHz. This enables high-performance real-time computation for motor control algorithms and signal processing tasks. The core implements the Armv7E-M architecture with DSP instruction set and supports a 4-GB address space. All timing specifications in the R01DS0375EU0120 datasheet are validated at this frequency under 2.7–3.6 V supply and -40°C to +105°C ambient conditions.
Does the R7FA6T1AB3CFP include hardware security features?
Yes, the R7FA6T1AB3CFP integrates the Secure Crypto Engine 7 (SCE7), providing hardware-accelerated AES128/192/256, SHA1/SHA224/SHA256/MD5, GHASH, RSA/DSA/ECC, and a True Random Number Generator (TRNG). It also includes 128-bit unique ID and memory protection units (MPU) for secure boot and firmware authentication. These features are documented in Section 1.10 of the R01DS0375EU0120 datasheet and support IEC 61508 functional safety requirements.
What analog peripherals are integrated into the R7FA6T1AB3CFP?
The R7FA6T1AB3CFP integrates two 12-bit successive-approximation ADC units (ADC12) with up to 11+8 input channels, two 12-bit DAC outputs (DAC12), six high-speed analog comparators (ACMPHS), six programmable gain amplifiers (PGA), and an on-die temperature sensor (TSN). Each ADC unit supports selectable resolution (12/10/8-bit) and includes sample-and-hold circuits. These peripherals are fully detailed in Sections 1.8 and 35–38 of the R01DS0375EU0120 datasheet.
Is the R7FA6T1AB3CFP pin-compatible with other RA6T1 family members?
No, the R7FA6T1AB3CFP is not universally pin-compatible across the RA6T1 family. While it shares the 100-pin LQFP package (PLQP0100KB-B) with R7FA6T1AD3CFP, it differs from 64-pin variants like R7FA6T1AB3CFM in pin count, I/O count (67 vs. 35), and peripheral availability (e.g., CAN is absent in the 64-pin version). Pin assignments are explicitly defined in Figures 1.3 and 1.4 of R01DS0375EU0120, confirming no mechanical or electrical interchangeability outside identical package variants.
What safety mechanisms does the R7FA6T1AB3CFP provide for industrial applications?
The R7FA6T1AB3CFP includes multiple hardware safety mechanisms: Independent Watchdog Timer (IWDT) with dedicated 15 kHz oscillator, Clock Frequency Accuracy Measurement Circuit (CAC), SRAM parity error detection, Flash area protection, ADC self-diagnosis, Memory Protection Unit (MPU), register write protection, and illegal memory access detection. These features are specified in Section 1.3 of the R01DS0375EU0120 datasheet and support development of IEC 61508 SIL2-compliant systems.
R7FA6T1AB3CFP#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- RA6T1
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4F
- Core Size:
- 32-Bit Single-Core
- Speed:
- 120MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, IrDA, MMC/SD, SCI, SPI, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 67
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 64K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 3.6V
- Data Converters:
- A/D 19x12b SAR; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA6T1AB3CFP#AA0 FAQ
1.How can I place an order for R7FA6T1AB3CFP#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6T1AB3CFP#AA0 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 R7FA6T1AB3CFP#AA0 reliable?
The price and inventory of R7FA6T1AB3CFP#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6T1AB3CFP#AA0 is usually 5 days.
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5.How can I obtain technical support or documentation for R7FA6T1AB3CFP#AA0?
For technical support, including R7FA6T1AB3CFP#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6T1AB3CFP#AA0 requirements.
6.How does Aetrix verify that R7FA6T1AB3CFP#AA0 is sourced from the original manufacturer or authorized distributors?
All R7FA6T1AB3CFP#AA0 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 R7FA6T1AB3CFP#AA0 meets industry standards.
7.What is the process for return or replacement of R7FA6T1AB3CFP#AA0?
All R7FA6T1AB3CFP#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6T1AB3CFP#AA0, 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 R7FA6T1AB3CFP#AA0 part is unused and in its original packaging.
Return procedure for R7FA6T1AB3CFP#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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