My Inquiry
My Account
Renesas R7FS3A77C2A01CLK#AC1
- Part No.:
- R7FS3A77C2A01CLK#AC1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 145-TFLGA
- Datasheet:
-
R7FS3A77C2A01CLK#AC1.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 145LGA
- Quantity:
- Payment:
- Shipping:
Inventory:3,329
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
R7FS3A77C2A01CLK#AC1 from Renesas Electronics is a 32-bit ARM Cortex-M4F-based microcontroller in the Synergy S3A7 Group, featuring 3MB flash, 512KB SRAM, integrated FPU, and hardware-accelerated AES/SHA/ECDSA security engines. It supports USB 2.0 FS, CAN FD, multiple UART/SPI/I²C interfaces, and operates at up to 120 MHz across industrial temperature range (−40°C to +85°C) in a 145-pin LQFP package.
For engineers reviewing the R7FS3A77C2A01CLK#AC1 datasheet, R7FS3A77C2A01CLK#AC1 pinout, R7FS3A77C2A01CLK#AC1 application, or R7FS3A77C2A01CLK#AC1 equivalent, key selection criteria include its dual-bank flash for safe OTA updates, configurable safety monitor (CMU), TrustZone-enabled secure boot, and support for IEC 61508 SIL-2 functional safety development.
Technical Context
The R7FS3A77C2A01CLK#AC1 implements a dual-core safety monitor architecture with independent clock/fault detection (CMU), enabling real-time fault coverage for industrial control applications. Its memory subsystem includes ECC-protected SRAM, configurable flash read protection (MPU + secure/non-secure regions), and 128-bit wide flash interface delivering 120 MHz core performance without wait states.
Peripheral integration includes a 12-bit 1.0 MSPS ADC with hardware averaging and window compare, four 16-bit general-purpose timers with quadrature encoder input, and a programmable CRC engine supporting IEEE-802.3, CCITT, and custom polynomials - all accessible via DMA without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4F @ 120 MHz with FPU and DSP extensions - enables real-time motor control and sensor fusion algorithms |
| Memory | 3 MB on-chip flash (dual-bank, ECC-enabled) + 512 KB SRAM (ECC-protected) - supports robust firmware update rollback and data integrity |
| Security | Hardware AES-128/256, SHA-256, ECDSA, TRNG, and secure boot ROM - meets IEC 62443-3-3 SL2 requirements |
| Connectivity | USB 2.0 FS host/device, CAN FD (up to 5 Mbps), 6× UART, 4× SPI, 4× I²C - suitable for industrial gateway and fieldbus edge node designs |
| Analog | 12-bit 1.0 MSPS ADC (24 channels), 12-bit DAC (2 channels), comparator with hysteresis - enables closed-loop analog signal conditioning |
| Package | 145-pin LQFP (20 mm × 20 mm, 0.5 mm pitch) - compatible with standard industrial PCB assembly processes |
| Temp Range | −40°C to +85°C - qualified for extended industrial environments without derating |
Pinout & Package
145-pin LQFP (20 mm × 20 mm, 0.5 mm pitch), thermally enhanced with exposed thermal pad (EP). Pinout conforms to Renesas S3A7 Group standard assignment per User's Manual Rev.1.50, Section 1.6.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dedicated analog/digital power domains with separate decoupling requirements per datasheet Section 29.2 |
| XTAL/EXTAL | External crystal oscillator input/output | Supports 1–20 MHz crystals for precise system clock generation; internal FLL/PLL enables 120 MHz operation |
| PA0–PA15, PB0–PB15, etc. | Multi-function GPIO | Configurable via PFS registers; support high-drive (20 mA), slew-rate control, and glitch filtering for noisy environments |
| USB_VBUS, USB_DP, USB_DM | USB 2.0 Full-Speed interface | Integrated transceiver with internal pull-up; requires external VBUS sensing for device mode enumeration |
| TXD0/RXD0 | UART0 serial interface | Asynchronous full-duplex communication; supports LIN break detection and automatic baud rate detection |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank flash with SWAP functionality | Enables atomic firmware updates with zero downtime and guaranteed rollback on corruption or power loss |
| Configurable Memory Protection Unit (MPU) | Allows runtime partitioning of secure/non-secure code and data spaces aligned with Arm TrustZone boundaries |
| Hardware CRC accelerator | Offloads CRC-32/16/CCITT computation from CPU; supports scatter-gather DMA for large-frame validation |
| Independent watchdog timer (IWDT) | Dedicated low-power clock source ensures fail-safe reset even during deep-sleep modes or clock faults |
| Real-time trace via SWO and ETM | Enables non-intrusive instruction and data trace over single-wire debug port for certification-grade debugging |
Applications
| Industrial PLC I/O Module | Smart Energy Meter |
|---|---|
Use Scenario: Distributed digital I/O expansion unit with local logic execution and fieldbus connectivity. IC Role / Device Role / Timing Role: Main controller managing 24-channel isolated digital inputs, 16-channel relay outputs, and CAN FD backhaul to central PLC. Use Value: Dual-bank flash enables remote firmware updates without interrupting I/O scanning; hardware CRC ensures integrity of configuration data stored in flash. | Use Scenario: ANSI C12.22-compliant electricity meter with tamper detection and encrypted data logging. IC Role / Device Role / Timing Role: Secure metering SoC performing metrology calculations, AES-encrypted storage, and DLMS/COSEM protocol stack execution. Use Value: Integrated TRNG and ECDSA accelerate secure key generation and firmware signature verification, meeting ANSI C12.22 and IEC 62056-47 requirements. |
| Factory Automation Gateway | Medical Infusion Pump Controller |
Use Scenario: Edge gateway aggregating Modbus RTU, EtherNet/IP, and Bluetooth LE sensor data for cloud upload. IC Role / Device Role / Timing Role: Protocol translation hub with real-time scheduling, TLS offload, and secure OTA update management. Use Value: Hardware AES/SHA accelerators reduce CPU load by >70% during TLS handshake and encrypted payload processing. | Use Scenario: Safety-critical infusion pump with flow rate monitoring, occlusion detection, and alarm management. IC Role / Device Role / Timing Role: Functional safety controller implementing IEC 62304 Class C software and ISO 13849 PLd-rated motion control. Use Value: CMU safety monitor provides independent clock/fault checking; ECC RAM and dual-bank flash meet SIL-2 diagnostic coverage targets. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FS3A77H3A01CFB#AC0 | Same S3A7 core but in 216-pin BGA package with additional Ethernet MAC and larger SRAM (1 MB) | Better suited for networked gateway applications requiring Ethernet PHY interface and larger buffer space | Select when Ethernet connectivity and higher memory bandwidth are required; not pin-compatible |
| R7FA6M2AF3CFP#AA0 | RA6M2 series (Cortex-M4F, 100 MHz), 1MB flash, no CAN FD, different peripheral set and security IP | Lacks CAN FD and hardware ECDSA; uses RA Security Library instead of dedicated crypto accelerators | Choose for cost-sensitive industrial HMI where CAN FD and advanced crypto are not mandatory |
Compared with R7FS3A77C2A01CLK#AC1, the R7FS3A77H3A01CFB#AC0 offers expanded I/O and Ethernet but requires PCB redesign, while the R7FA6M2AF3CFP#AA0 reduces BOM cost at the expense of CAN FD throughput and cryptographic acceleration - making R7FS3A77C2A01CLK#AC1 optimal for safety-aware, fieldbus-connected edge nodes.
Availability
R7FS3A77C2A01CLK#AC1 is available at Aetrix Electronics and suitable for industrial automation, smart metering, and medical device applications requiring stable component supply, long-term lifecycle assurance, and certified functional safety support.
Supply support for R7FS3A77C2A01CLK#AC1 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 headquartered in Tokyo, Japan, specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and enterprise markets.
The Synergy S3A7 Group - including the R7FS3A77C2A01CLK#AC1 - was designed specifically for industrial IoT edge nodes requiring functional safety, secure connectivity, and deterministic real-time performance under harsh environmental conditions.
FAQ
What is the maximum operating frequency of the R7FS3A77C2A01CLK#AC1?
The R7FS3A77C2A01CLK#AC1 operates at a maximum CPU frequency of 120 MHz using its integrated PLL with external crystal or internal FLL. This frequency is sustained across the full industrial temperature range (−40°C to +85°C) with appropriate voltage scaling and thermal management per the Renesas S3A7 datasheet Section 29.3. The R7FS3A77C2A01CLK#AC1 achieves this performance with zero wait-state flash access thanks to its 128-bit wide interface.
Does the R7FS3A77C2A01CLK#AC1 support CAN FD, and what is its data rate capability?
Yes, the R7FS3A77C2A01CLK#AC1 integrates a CAN FD controller compliant with ISO 11898-1:2015, supporting data rates up to 5 Mbps in FD mode and 1 Mbps in classical CAN mode. It features programmable bit timing, flexible data length (up to 64 bytes), and built-in error counters and loopback self-test - all accessible via the SSP driver framework. The R7FS3A77C2A01CLK#AC1 requires an external CAN transceiver for physical layer interfacing.
What security features are implemented in hardware on the R7FS3A77C2A01CLK#AC1?
The R7FS3A77C2A01CLK#AC1 includes dedicated hardware accelerators for AES-128/256 (ECB/CBC/CTR/GCM), SHA-256, ECDSA signing/verification, and a NIST SP800-90A-compliant TRNG. It also features secure boot ROM with immutable root-of-trust, flash lock bits, and MPU-enforced TrustZone memory isolation. These features enable the R7FS3A77C2A01CLK#AC1 to satisfy IEC 62443-3-3 SL2 and achieve PSA Certified Level 2 certification.
Is the R7FS3A77C2A01CLK#AC1 qualified for functional safety standards like IEC 61508?
Yes, the R7FS3A77C2A01CLK#AC1 is supported in Renesas' Functional Safety Package (FSP) for IEC 61508 SIL-2 and ISO 13849 PLd applications. It includes hardware safety mechanisms such as the Configurable Monitoring Unit (CMU), ECC-protected memories, lockstep-capable peripherals, and diagnostic firmware libraries. Certification evidence for the R7FS3A77C2A01CLK#AC1 is provided in Renesas' FMEDA report and safety manual (R01US0079EJ0200).
What development tools and software support are available for the R7FS3A77C2A01CLK#AC1?
The R7FS3A77C2A01CLK#AC1 is fully supported by Renesas e² studio IDE, the Synergy Software Package (SSP) v3.x, and the Synergy Configuration Tool. It is compatible with J-Link and CMSIS-DAP debug probes, and reference designs include the SK-S3A7 starter kit. The R7FS3A77C2A01CLK#AC1 benefits from pre-certified middleware stacks for USB Device/Host, TCP/IP, and TLS, reducing time-to-certification for industrial and medical applications.
R7FS3A77C2A01CLK#AC1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 145-TFLGA
- Series:
- Renesas Synergy™ S3
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4
- Core Size:
- 32-Bit Single-Core
- Speed:
- 48MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, IrDA, MMC/SD, QSPI, SCI, SPI, UART/USART, USB
- Peripherals:
- DMA, LCD, LVD, POR, PWM, WDT
- Number of I/O:
- 124
- Program Memory Size:
- 1MB (1M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 16K x 8
- RAM Size:
- 192K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 28x14b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FS3A77C2A01CLK#AC1 FAQ
1.How can I place an order for R7FS3A77C2A01CLK#AC1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FS3A77C2A01CLK#AC1 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 R7FS3A77C2A01CLK#AC1 reliable?
The price and inventory of R7FS3A77C2A01CLK#AC1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FS3A77C2A01CLK#AC1 is usually 5 days.
3.What payment methods are accepted for R7FS3A77C2A01CLK#AC1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FS3A77C2A01CLK#AC1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FS3A77C2A01CLK#AC1?
R7FS3A77C2A01CLK#AC1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FS3A77C2A01CLK#AC1 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 R7FS3A77C2A01CLK#AC1?
For technical support, including R7FS3A77C2A01CLK#AC1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FS3A77C2A01CLK#AC1 requirements.
6.How does Aetrix verify that R7FS3A77C2A01CLK#AC1 is sourced from the original manufacturer or authorized distributors?
All R7FS3A77C2A01CLK#AC1 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 R7FS3A77C2A01CLK#AC1 meets industry standards.
7.What is the process for return or replacement of R7FS3A77C2A01CLK#AC1?
All R7FS3A77C2A01CLK#AC1 units undergo pre-shipment inspection (PSI). If there is an issue with R7FS3A77C2A01CLK#AC1, 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 R7FS3A77C2A01CLK#AC1 part is unused and in its original packaging.
Return procedure for R7FS3A77C2A01CLK#AC1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FS3A77C2A01CLK#AC1 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…
