My Inquiry
My Account
Renesas R7FA4M3AF3CFM#AA0
- Part No.:
- R7FA4M3AF3CFM#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R7FA4M3AF3CFM#AA0.pdf
- Description:
- MCU RA4 ARM CM33 100MHZ 1MB/256K
- Quantity:
- Payment:
- Shipping:
Inventory:479
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
R7FA4M3AF3CFM#AA0 from Renesas is a 100 MHz Arm Cortex-M33 microcontroller with 1 MB code flash, 8 KB data flash, and 128 KB SRAM (with ECC), integrated USB 2.0 Full-Speed, SDHI, QSPI, dual CAN, and Secure Crypto Engine (AES/RSA/ECC/SHA256) for secure industrial HMI and connectivity applications.
For engineers reviewing the R7FA4M3AF3CFM#AA0 datasheet, R7FA4M3AF3CFM#AA0 pinout, R7FA4M3AF3CFM#AA0 application, or R7FA4M3AF3CFM#AA0 equivalent, this page delivers verified specifications, package mapping to 64-pin LQFP, security architecture details, real-time peripheral integration, and validated alternative options for scalable RA4M3-based designs.
Technical Context
The R7FA4M3AF3CFM#AA0 implements Armv8-M with TrustZone, enabling hardware-isolated secure/non-secure execution environments. It integrates SCE9 crypto accelerators supporting AES-128/256, RSA-2048, ECC-P256, and SHA256 with tamper detection and 128-bit unique ID.
Its system architecture includes dual 12-bit ADCs (5 Msps interleaved), two 12-bit DACs, CTSU for up to 20 touch channels, six AGT timers for low-power event timing, and ELC-driven peripheral chaining-enabling deterministic sensor-to-actuator signal paths without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M33 @ 100 MHz with TrustZone and dual SysTick timers (secure/non-secure) |
| Memory | 1 MB code flash (background SWAP), 8 KB data flash (100k P/E cycles), 128 KB SRAM with ECC |
| Security | Secure Crypto Engine 9 (AES/RSA/ECC/SHA256), tamper pins, lifecycle management |
| Connectivity | Dual CAN 2.0B, USB 2.0 FS (host/device), SDHI, QSPI, 6× SCI, 2× IIC, SPI, SSIE |
| Analog | ADC12 ×2 (12-bit, 5 Msps interleaved), DAC12 ×2, TSN, CTSU (20-channel capacitive touch) |
| Timers | GPT32 ×4, GPT16 ×4, AGT ×6, RTC with calendar (2000–2099), WDT/IWDT |
| Package | 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch), -40°C to +105°C operating range |
Pinout & Package
Package: 64-pin LQFP (PLQP0064KB-C), 10 mm × 10 mm, 0.5 mm pitch, lead-free (Sn only), rated for -40°C to +105°C operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dedicated analog/digital power domains; AVCC0/AVSS0 isolate ADC/DAC reference paths |
| XTAL / EXTAL | Main clock oscillator interface | Supports 8–24 MHz crystal; enables precise timing for USB/SDHI synchronization |
| USB_DP / USB_DM | USB 2.0 Full-Speed differential pair | Integrated transceiver eliminates external PHY; supports host/device mode with 10-pipe endpoint buffer |
| QSPCLK / QIO0–QIO3 | Quad SPI bus signals | Direct interface to serial flash/FeRAM; enables XIP and fast firmware updates |
| AN000–AN011 / AN100–AN109 | Analog input channels | 19 total ADC inputs across two units; shared pins (e.g., AN000/AN100) allow flexible sensor routing |
| TS0–TS19 | Capacitive touch sense inputs | CTSU supports mutual/self-capacitance measurement; no external RC components required |
Key Features
| Feature | Design Value |
|---|---|
| TrustZone-enforced memory isolation | Configurable secure/non-secure regions in flash (3), data flash (2), and SRAM (3) prevent unauthorized access to keys or firmware |
| Background flash SWAP operation | Enables seamless over-the-air (OTA) firmware updates without halting real-time control tasks |
| Event Link Controller (ELC) | Hardware-chains peripherals (e.g., ADC trigger → DMA transfer → GPT PWM update) eliminating CPU polling overhead |
| Low-power AGT timers | Six independent 16-bit timers operate in Deep Software Standby mode using LOCO clock, extending battery life in portable HMI |
| USBFS with internal transceiver | Reduces BOM count by eliminating external PHY; supports CDC/DFU class drivers for field service and diagnostics |
Applications
| Industrial HMI Panel | Secure Gateway Controller |
|---|---|
Use Scenario: Touch-enabled factory floor display with real-time machine status, alarm logging, and local configuration. IC Role / Device Role / Timing Role: Main application processor executing RTOS, driving 480×272 LCD via GPIO/SSIE, sampling 12-bit analog sensors at 10 kSPS, and managing USB-CDC debug interface. Use Value: CTSU enables robust glove-compatible touch; TrustZone isolates UI firmware from secure boot and key storage; 128 KB ECC SRAM ensures data integrity during vibration-induced voltage dips. | Use Scenario: Edge node aggregating Modbus RTU data from PLCs and forwarding via TLS-secured MQTT to cloud platform. IC Role / Device Role / Timing Role: Secure network bridge with dual CAN interfaces for legacy fieldbus, USB for local provisioning, and SCE9 accelerating TLS handshake and certificate validation. Use Value: Dual CAN 2.0B supports concurrent master/slave roles on separate buses; SCE9 reduces TLS latency by >70% vs. software-only crypto; 1 MB flash hosts dual-application image for fail-safe rollback. |
| Smart Energy Meter | Medical Diagnostic Handheld |
Use Scenario: UL-certified electricity meter with anti-tampering detection, harmonic analysis, and secure firmware updates over cellular modem. IC Role / Device Role / Timing Role: System-on-chip handling metrology ADC sampling (interleaved 5 Msps), RTC calendar logging, tamper pin monitoring, and encrypted OTA via QSPI-connected flash. Use Value: Three dedicated tamper pins detect enclosure breach or voltage glitching; data flash endurance (100k cycles) supports daily metering log writes for 10+ years; VBATT backup preserves RTC during main power loss. | Use Scenario: Portable ultrasound probe with analog front-end control, touch UI, and USB-powered data export to PACS workstation. IC Role / Device Role / Timing Role: Real-time controller synchronizing 12-bit DAC outputs to drive piezoelectric transducers, digitizing echo returns via ADC12, and streaming compressed frames via USBFS bulk transfer. Use Value: Interleaved ADC achieves 5 Msps effective sampling for 2.5 MHz RF signal capture; USBFS 10-pipe architecture enables concurrent control (EP0), streaming (EP1–EP4), and diagnostics (EP5); 128 KB SRAM buffers full frame before compression. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA4M3AF2CFM#AA0 | Same 64-pin LQFP package and peripherals, but rated for -40°C to +85°C and 512 KB code flash | Suitable for commercial-grade consumer devices without extended temperature or high-code-density requirements | Select when thermal margin allows lower grade and firmware size < 512 KB; retains identical pinout and driver compatibility |
| R7FA6M3AF3CFM#AA0 | RA6M3-series successor with Cortex-M4F core, FPU, higher clock (200 MHz), and enhanced security (SCE10) | Required for floating-point math (e.g., motor FOC, FFT-based analytics) or advanced cryptography beyond SCE9 capabilities | Choose for next-gen designs needing FPU, larger SRAM (384 KB), or future-proof security; not pin-compatible-requires PCB revision |
Compared with R7FA4M3AF3CFM#AA0, R7FA4M3AF2CFM#AA0 reduces temperature range and flash capacity while maintaining full peripheral and pin compatibility, whereas R7FA6M3AF3CFM#AA0 upgrades core performance and security at the cost of board-level redesign.
Availability
R7FA4M3AF3CFM#AA0 is available at Aetrix Electronics and suitable for industrial HMI, secure gateways, smart energy meters, and medical handhelds requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R7FA4M3AF3CFM#AA0 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 industrial, automotive, and enterprise applications.
The RA4M3 group targets secure, high-integration MCU applications demanding Arm TrustZone, cryptographic acceleration, and rich analog/peripheral sets for industrial edge and human-machine interface systems.
FAQ
What is the maximum operating frequency and core architecture of the R7FA4M3AF3CFM#AA0?
The R7FA4M3AF3CFM#AA0 features an Arm Cortex-M33 core operating at up to 100 MHz, implementing the Armv8-M architecture with security extensions including TrustZone. It includes dual SysTick timers (secure and non-secure instances), CoreSight ETM-M33 for trace, and MPU support for both secure and non-secure memory regions-enabling robust partitioning for safety-critical and secure firmware execution within the R7FA4M3AF3CFM#AA0.
Does the R7FA4M3AF3CFM#AA0 support USB device and host functionality?
Yes, the R7FA4M3AF3CFM#AA0 integrates a USB 2.0 Full-Speed module (USBFS) that supports both device and host modes. It includes an internal transceiver, 10 configurable pipes, and complies with Universal Serial Bus Specification 2.0. The R7FA4M3AF3CFM#AA0 supports full-speed and low-speed transfers (host only), all standard transfer types (control, interrupt, bulk, isochronous), and buffer memory for efficient data handling-making it suitable for CDC, HID, and DFU class implementations without external PHY components.
What security features are implemented in the R7FA4M3AF3CFM#AA0?
The R7FA4M3AF3CFM#AA0 integrates the Secure Crypto Engine 9 (SCE9) with hardware accelerators for AES-128/256, RSA-2048, ECC-P256, and SHA224/256, plus a 128-bit unique ID and tamper detection circuitry. Combined with Arm TrustZone, it provides configurable secure/non-secure memory regions in flash, data flash, and SRAM, along with secure pin multiplexing and lifecycle management-delivering certified secure element functionality directly within the R7FA4M3AF3CFM#AA0 without external security ICs.
Which package and temperature grade does the R7FA4M3AF3CFM#AA0 use?
The R7FA4M3AF3CFM#AA0 uses a 64-pin LQFP package (PLQP0064KB-C), measuring 10 mm × 10 mm with 0.5 mm pitch, and is qualified for industrial temperature operation from -40°C to +105°C. This package provides 41 general-purpose I/O pins, 9 pins with 5-V tolerance, and dedicated analog power/ground pins (AVCC0/AVSS0) to ensure noise immunity for ADC/DAC operation-matching the exact mechanical and thermal specifications defined for the R7FA4M3AF3CFM#AA0 in Renesas documentation.
How many analog-to-digital and digital-to-analog converters does the R7FA4M3AF3CFM#AA0 include?
The R7FA4M3AF3CFM#AA0 includes two independent 12-bit successive approximation ADC units (ADC12 ×2), supporting up to 19 total analog input channels (12 in unit 0, 10 in unit 1, with 3 shared pins), and two 12-bit DAC units (DAC12 ×2). The ADCs achieve up to 5 Msps in interleaved mode, and both ADC and DAC support internal reference selection and temperature sensor integration-providing comprehensive mixed-signal capability within the R7FA4M3AF3CFM#AA0 for sensor interfacing and analog output control.
R7FA4M3AF3CFM#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- RA4M3
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M33
- Core Size:
- 32-Bit Single-Core
- Speed:
- 100MHz
- Connectivity:
- CANbus, I2C, QSPI, SCI, SPI, UART/USART, USB
- Peripherals:
- Capacitive Touch, Crypto - AES, DMA, LVD, POR, PWM, RSA, SHA, Temp Sensor, WDT
- Number of I/O:
- 42
- Program Memory Size:
- 1MB (1M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 128K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 3.6V
- Data Converters:
- A/D 11x12b SAR; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA4M3AF3CFM#AA0 FAQ
1.How can I place an order for R7FA4M3AF3CFM#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA4M3AF3CFM#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 R7FA4M3AF3CFM#AA0 reliable?
The price and inventory of R7FA4M3AF3CFM#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA4M3AF3CFM#AA0 is usually 5 days.
3.What payment methods are accepted for R7FA4M3AF3CFM#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA4M3AF3CFM#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA4M3AF3CFM#AA0?
R7FA4M3AF3CFM#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA4M3AF3CFM#AA0 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 R7FA4M3AF3CFM#AA0?
For technical support, including R7FA4M3AF3CFM#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA4M3AF3CFM#AA0 requirements.
6.How does Aetrix verify that R7FA4M3AF3CFM#AA0 is sourced from the original manufacturer or authorized distributors?
All R7FA4M3AF3CFM#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 R7FA4M3AF3CFM#AA0 meets industry standards.
7.What is the process for return or replacement of R7FA4M3AF3CFM#AA0?
All R7FA4M3AF3CFM#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA4M3AF3CFM#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 R7FA4M3AF3CFM#AA0 part is unused and in its original packaging.
Return procedure for R7FA4M3AF3CFM#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FA4M3AF3CFM#AA0 Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
