My Inquiry
My Account
Renesas R7FA4M2AC3CFP#HA0
- Part No.:
- R7FA4M2AC3CFP#HA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R7FA4M2AC3CFP#HA0.pdf
- Description:
- MCU RA4 ARM CM33 100MHZ 384K/128
- Quantity:
- Payment:
- Shipping:
Inventory:1,791
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
R7FA4M2AC3CFP from Renesas is a 32-bit Arm Cortex-M33 microcontroller operating at up to 100 MHz, featuring 384 KB code flash, 8 KB data flash, and 128 KB SRAM with parity/ECC. It integrates USB 2.0 Full-Speed, SDHI, Quad SPI, dual 12-bit DACs, 12-bit ADC (22-channel), CAN, and Secure Crypto Engine (AES/RSA/ECC/SHA256) with Arm TrustZone for secure industrial HMI and edge node applications.
For engineers reviewing the R7FA4M2AC3CFP datasheet, R7FA4M2AC3CFP pinout, R7FA4M2AC3CFP application, or R7FA4M2AC3CFP equivalent, key selection considerations include its 100-pin LQFP package, -40°C to +105°C operation, integrated CTSU for touch interfaces, and hardware-accelerated cryptography supporting secure boot and firmware updates.
Technical Context
The R7FA4M2AC3CFP implements Armv8-M architecture with dual MPU instances (8 regions each for secure/non-secure states), two SysTick timers (secure and non-secure), and CoreSight ETM-M33 for trace. Its memory subsystem includes background operation-capable flash and 1 KB standby SRAM with battery backup support via VBATT.
Connectivity is centered on six SCI channels (UART/IIC/SPI/Manchester), dual I2C, one SPI, one CAN 2.0B controller, USBFS with internal transceiver, QSPI for external memory, SDHI for SD/SDHC/SDXC cards, and SSIE for I2S/TDM audio. Analog integration comprises ADC12 (22 inputs), DAC12 × 2, and TSN with linear die-temperature response.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M33 @ 100 MHz max; supports TrustZone security extension and PMSAv8 memory protection. |
| Memory | 384 KB code flash (background operation), 8 KB data flash (100k P/E cycles), 128 KB SRAM with parity/ECC. |
| Analog | 12-bit ADC12 (22 channels, internal ref/temp sensor), dual 12-bit DAC12 outputs, on-die temperature sensor (TSN). |
| Connectivity | USB 2.0 Full-Speed (internal transceiver), CAN 2.0B (32 mailboxes), SDHI (1/4-bit bus), QSPI, 6× SCI, 2× I2C, SPI, SSIE. |
| Security | Secure Crypto Engine 9 (AES-128/256, RSA-2048, ECC-P256, SHA224/256), 128-bit unique ID, tamper detection pins. |
| Timers & PWM | GPT32 × 4, GPT16 × 4, AGT × 6, RTC with calendar mode (2000–2099), WDT/IWDT, ELC for CPU-free peripheral linking. |
| Package & Temp | 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), industrial grade (-40°C to +105°C), 14× 5-V-tolerant I/O pins. |
Pinout & Package
Package: 100-pin LQFP (PLQP0100KB-B), 14 mm × 14 mm, 0.5 mm pitch, Pb-free Sn terminal finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dedicated analog/digital power rails; AVCC0/AVSS0 isolate ADC/DAC reference domains; decoupling required per pin. |
| XTAL / EXTAL | Main clock oscillator interface | Supports 8–24 MHz crystal; enables high-accuracy system timing and PLL input for 100 MHz core clock generation. |
| USB_DP / USB_DM | USB 2.0 Full-Speed differential pair | Integrated transceiver eliminates external PHY; supports host/device modes; requires 1.5 kΩ pull-up on DP for device enumeration. |
| QSPCLK / QIO0–QIO3 | Quad SPI clock and data lines | Direct interface to serial flash/FeRAM; enables XIP execution and fast firmware updates without external parallel memory. |
| AN00–AN21 | ADC12 analog input channels | 22 dedicated pins with selectable internal reference (VREFH0/VREFL0) and temperature sensor routing for sensor fusion. |
| DA0 / DA1 | DAC12 analog output channels | Two independent 12-bit voltage outputs; VREFH/VREFL pins define full-scale range; usable for calibration signals or audio waveforms. |
Key Features
| Feature | Design Value |
|---|---|
| Arm TrustZone partitioning | Enables secure boot, isolated firmware updates, and protected key storage by enforcing hardware-enforced memory/peripheral isolation between secure/non-secure worlds. |
| Capacitive Touch Sensing Unit (CTSU) | Hardware-accelerated touch sensing on up to 12 electrodes; supports proximity, slider, and button detection without CPU load or external components. |
| Data Transfer Controller (DTC) | Automates memory-to-peripheral transfers triggered by interrupts; reduces CPU overhead for ADC sampling, UART RX/TX, or timer capture operations. |
| Event Link Controller (ELC) | Direct hardware linking of peripherals (e.g., AGT overflow → GPT start → ADC trigger); eliminates polling/interrupt latency in real-time control loops. |
| Battery-backed RTC & registers | Retains calendar time, 128 B backup registers, and 1 KB SRAM during VCC loss using VBATT; supports wake-from-standby on alarm or external event. |
Applications
| Industrial HMI Panel | Secure Edge Gateway |
|---|---|
Use Scenario: Touch-enabled operator interface for PLC-controlled machinery with local data logging and remote diagnostics. IC Role / Device Role / Timing Role: Main application processor handling CTSU-based touch UI, USB/SDHI data export, RTC timestamping, and CAN bus communication with field devices. Use Value: Integrated CTSU eliminates external touch controller; USBFS + SDHI enable dual-path firmware/data transfer; TrustZone isolates UI code from secure CAN messaging stack. |
Use Scenario: Field-deployed gateway aggregating sensor data from Modbus/CAN networks and forwarding to cloud via TLS-secured Ethernet/Wi-Fi (via external MAC/PHY). IC Role / Device Role / Timing Role: Secure root-of-trust MCU managing encrypted sensor data ingestion, certificate-based authentication, and secure OTA update verification before flash programming. Use Value: SCE9 accelerates AES-GCM encryption and ECDSA signature verification; 384 KB flash accommodates dual-bank secure bootloader and application; tamper pins detect physical intrusion attempts. |
| Motor Control Node | Medical Sensor Hub |
Use Scenario: Compact BLDC motor driver with Hall-effect feedback, current sensing, and closed-loop speed regulation in HVAC blowers or pumps. IC Role / Device Role / Timing Role: Real-time controller executing FOC algorithms using GPT32 PWM outputs, ADC12 current sampling, AGT for precise timing, and ELC-synchronized capture/compare events. Use Value: Six GPT channels support 3-phase complementary PWM with dead-time insertion; ADC12's 22 channels allow simultaneous phase current, DC bus, and temperature monitoring. |
Use Scenario: Portable patient monitor collecting ECG, temperature, and SpO₂ signals with local display and Bluetooth LE transmission (via external radio). IC Role / Device Role / Timing Role: Signal acquisition and preprocessing unit digitizing analog biosignals via ADC12, conditioning with DAC12 references, and managing low-power sleep/wake cycles via RTC and AGT timers. Use Value: On-die TSN enables automatic ambient temperature compensation for ADC accuracy; 128 KB SRAM buffers multi-second waveform captures; 5-V-tolerant I/O simplifies interface to legacy analog front-ends. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA4M2AD3CFP | 512 KB code flash (vs. 384 KB), identical peripherals, package, and security features. | Suitable for larger firmware images requiring bootloader + application + OTA staging area. | Select when firmware size exceeds 384 KB or future-proofing for feature expansion is required. |
| R7FA6M2AF3CFP | Arm Cortex-M33 @ 200 MHz, 1 MB flash, enhanced graphics acceleration (2D GPU), same RA4M2 peripheral set plus Ethernet MAC. | Targeted at GUI-rich HMIs with video overlay or networked industrial controllers needing native Ethernet. | Choose only if higher CPU throughput, larger memory, or Ethernet connectivity is mandatory; not drop-in compatible due to different pinout and voltage requirements. |
Compared with R7FA4M2AD3CFP, the R7FA4M2AC3CFP trades 128 KB flash for cost-sensitive designs where firmware fits comfortably, while retaining identical security, analog, and connectivity capabilities. Against R7FA6M2AF3CFP, it offers lower power and cost for non-GUI, non-Ethernet applications without sacrificing TrustZone or cryptographic acceleration.
Availability
R7FA4M2AC3CFP is available at Aetrix Electronics and suitable for industrial HMI, secure edge gateways, motor control nodes, and medical sensor hubs requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for R7FA4M2AC3CFP 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 enterprise markets.
The R7FA4M2AC3CFP belongs to the RA4M2 group - a family of secure, high-performance MCUs designed for industrial automation, building control, and IoT edge devices demanding robust safety, cryptography, and rich analog/motor control integration.
FAQ
What is the maximum operating frequency and core architecture of the R7FA4M2AC3CFP?
The R7FA4M2AC3CFP features an Arm Cortex-M33 core operating at a maximum frequency of 100 MHz. It implements the Armv8-M architecture with security extensions, including TrustZone, and supports Protected Memory System Architecture (PMSAv8) with separate secure and non-secure MPU configurations. This architecture enables hardware-isolated execution environments critical for secure firmware updates and trusted execution on the R7FA4M2AC3CFP.
Does the R7FA4M2AC3CFP support USB device and host functionality?
Yes, the R7FA4M2AC3CFP integrates a USB 2.0 Full-Speed module (USBFS) that supports both device and host modes. It includes an internal transceiver, eliminating the need for an external PHY, and provides up to 10 configurable pipes for endpoint management. The module complies with USB Specification 2.0 and supports all standard transfer types (control, interrupt, bulk, isochronous), making the R7FA4M2AC3CFP suitable for USB-connected HMIs, data loggers, and peripheral controllers.
How does the Secure Crypto Engine (SCE9) on the R7FA4M2AC3CFP accelerate cryptographic operations?
The Secure Crypto Engine 9 (SCE9) on the R7FA4M2AC3CFP provides hardware acceleration for symmetric (AES-128/256), asymmetric (RSA-2048, ECC-P256, DSA), and hash (SHA224, SHA256, GHASH) algorithms. It includes a 128-bit unique ID and tamper-resistant key management, enabling fast secure boot, firmware signature verification, and TLS handshake offload. These capabilities significantly reduce CPU load and latency compared to software-only crypto on the R7FA4M2AC3CFP.
What analog peripherals are integrated into the R7FA4M2AC3CFP?
The R7FA4M2AC3CFP integrates a 12-bit successive approximation ADC12 with up to 22 input channels, two independent 12-bit DAC12 outputs, and an on-die temperature sensor (TSN) with linear voltage output. The ADC supports internal reference selection and direct routing from TSN, while DAC outputs are referenced to dedicated VREFH/VREFL pins. These peripherals enable precision sensor interfacing, calibration signal generation, and thermal monitoring without external components on the R7FA4M2AC3CFP.
Is the R7FA4M2AC3CFP pin-compatible with other RA4M2 group members?
Yes, the R7FA4M2AC3CFP is pin-compatible with other 100-pin LQFP variants in the RA4M2 group, including R7FA4M2AD3CFP and R7FA4M2AB3CFP. All share identical pin assignments, electrical characteristics, and peripheral mappings for the 100-pin footprint. This allows seamless migration between flash sizes (256 KB/384 KB/512 KB) without PCB redesign, preserving layout, routing, and firmware compatibility across the R7FA4M2AC3CFP family.
R7FA4M2AC3CFP#HA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- RA4M2
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M33
- Core Size:
- 32-Bit
- Speed:
- 100MHz
- Connectivity:
- CANbus, I2C, QSPI, SCI, SPI, UART/USART, USB
- Peripherals:
- AES, DMA, LVD, POR, PWM, Temp Sensor, WDT
- Number of I/O:
- 77
- Program Memory Size:
- 384KB (384K 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 13x12b SAR; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA4M2AC3CFP#HA0 FAQ
1.How can I place an order for R7FA4M2AC3CFP#HA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA4M2AC3CFP#HA0 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 R7FA4M2AC3CFP#HA0 reliable?
The price and inventory of R7FA4M2AC3CFP#HA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA4M2AC3CFP#HA0 is usually 5 days.
3.What payment methods are accepted for R7FA4M2AC3CFP#HA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA4M2AC3CFP#HA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA4M2AC3CFP#HA0?
R7FA4M2AC3CFP#HA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA4M2AC3CFP#HA0 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 R7FA4M2AC3CFP#HA0?
For technical support, including R7FA4M2AC3CFP#HA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA4M2AC3CFP#HA0 requirements.
6.How does Aetrix verify that R7FA4M2AC3CFP#HA0 is sourced from the original manufacturer or authorized distributors?
All R7FA4M2AC3CFP#HA0 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 R7FA4M2AC3CFP#HA0 meets industry standards.
7.What is the process for return or replacement of R7FA4M2AC3CFP#HA0?
All R7FA4M2AC3CFP#HA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA4M2AC3CFP#HA0, 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 R7FA4M2AC3CFP#HA0 part is unused and in its original packaging.
Return procedure for R7FA4M2AC3CFP#HA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FA4M2AC3CFP#HA0 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…
