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Renesas R5F64216JFB#U0
- Part No.:
- R5F64216JFB#U0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R5F64216JFB#U0.pdf
- Description:
- R32C121 F 128K/12K 100QFP 3-5.5V
- Quantity:
- Payment:
- Shipping:
Inventory:4,684
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Product details
Overview
R5F64216JFB#U0 from Renesas Electronics is a 32-bit CISC microcontroller in the R32C/121 Group, designed for automotive vehicle network applications. It features a 64 MHz CPU core, 128 KB flash memory + 8 KB data flash, 12 KB RAM, dual CAN 2.0B modules (ISO 11898-1 compliant), dual LIN modules, and operates from −40°C to +85°C in a 100-pin LQFP package.
For engineers reviewing the R5F64216JFB#U0 datasheet, R5F64216JFB#U0 pinout, R5F64216JFB#U0 application, or R5F64216JFB#U0 equivalent, key selection criteria include CAN/LIN co-integration, on-chip FPU for motor control math, 26-channel 10-bit A/D with self-test, E2dataFlash endurance (100,000 cycles), and debug support via NSD pin.
Technical Context
The R5F64216JFB#U0 implements the R32C/100 Series CPU core with IEEE-754 single-precision floating-point unit, 32-bit × 32-bit multiplier, and multiply-accumulate unit-enabling real-time motor control and sensor fusion. Its memory architecture supports 4-Gbyte address space with ROM mapped downward from FFFFFFFFh and RAM upward from 00000400h.
Peripheral integration includes 4-channel DMAC with chain transfer capability, five UARTs (three supporting I²C-bus mode), three serial bus interfaces, CRC-CCITT calculator, X-Y converter, and intelligent I/O with 16-bit input capture/output compare-optimized for deterministic timing in distributed automotive subsystems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | R32C/100 Series 32-bit CISC with FPU, 64 MHz max operation (15.625 ns min instruction time) |
| Memory | 128 KB flash + 8 KB data flash (2 blocks), 12 KB RAM, no E2dataFlash (J version) |
| Operating Temp | −40°C to +85°C (J version); requires thermal design margining for under-hood placement |
| Supply Voltage | 3.0 V to 5.5 V; supports direct interface with 5 V automotive logic and 3.3 V peripherals |
| CAN Interface | 2× ISO 11898-1 compliant channels, 32 mailboxes, integrated wake-up (CAN0WU/CAN1WU pins) |
| A/D Converter | 10-bit resolution × 26 channels with sample-and-hold, self-test, and open-circuit detection assist |
| Package | 100-pin plastic LQFP (PLQP0100KB-A), 14 mm × 14 mm × 1.4 mm, standard JEDEC footprint |
Pinout & Package
100-pin plastic molded LQFP (PLQP0100KB-A) with exposed thermal pad; RoHS-compliant, lead-free finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P8_2 / INT0 / CAN0OUT / CAN1OUT | CAN transmit output | Drives differential CANH/CANL bus via external transceiver; supports dominant/recessive state signaling |
| P8_3 / INT1 / CAN0IN / CAN0WU / CAN1IN / CAN1WU | CAN receive & wake-up input | Accepts CANRX signal; wake-up interrupt triggered by bus activity during stop mode |
| P4_4 / LIN0OUT / IIO1_4 / SSO1 | LIN transmit output | Drives LIN bus master node; compatible with LIN 2.0/2.1 physical layer (19.2 kbps typical) |
| P4_5 / LIN0IN / IIO1_5 / SSCK1 | LIN receive input | Receives LIN slave response; includes built-in filtering for automotive EMI resilience |
| NSD | Debug communication port | Single-wire JTAG/SWD interface for on-chip debug; requires 1–4.7 kΩ pull-up to VCC |
| RESET | Active-low reset input | Asynchronous reset assertion; internal power-on reset circuit ensures reliable initialization |
| VREF | Analog reference voltage input | Accepts external reference (1.0–5.5 V) for A/D and D/A converters; improves measurement accuracy |
Key Features
| Feature | Design Value |
|---|---|
| Dual CAN + Dual LIN integration | Enables centralized body control module (BCM) with simultaneous CAN backbone and LIN subnetwork management |
| IEEE-754 FPU & MAC unit | Accelerates real-time motor control algorithms (e.g., field-oriented control) without software emulation overhead |
| 26-channel 10-bit A/D with self-test | Supports comprehensive sensor diagnostics in ASIL-B systems; reduces need for external test circuitry |
| 4-channel DMAC with chain transfer | Offloads CPU during high-bandwidth data movement (e.g., CAN message buffering, ADC streaming) |
| Intelligent I/O (16-bit × 16) | Provides hardware-timed input capture for crankshaft position sensing and PWM generation for actuator drivers |
Applications
| Body Control Module (BCM) | Door Module Controller |
|---|---|
|
Use Scenario: Centralized control of lighting, windows, locks, and mirrors in modern passenger vehicles. IC Role / Device Role / Timing Role: Primary MCU managing LIN slave nodes (door handles, mirror actuators) and reporting status over CAN to gateway. Use Value: Dual CAN/LIN eliminates need for external bridge ICs; 128 KB flash accommodates OTA update partitioning. |
Use Scenario: Local intelligence at each door for anti-pinch detection, window position tracking, and keyless entry processing. IC Role / Device Role / Timing Role: Real-time sensor fusion hub using A/D inputs (potentiometers, Hall sensors) and PWM outputs to motor drivers. Use Value: On-chip FPU enables fast position interpolation; intelligent I/O provides sub-microsecond edge capture for safety-critical timing. |
| Roof Module (Sunroof/Climate) | Seat Control Unit |
|
Use Scenario: Coordinating sunroof glass/motor, ambient light sensing, and HVAC fan speed based on cabin temperature. IC Role / Device Role / Timing Role: LIN master interfacing with HVAC sensors and CAN node relaying status to instrument cluster. Use Value: Integrated LIN transceiver interface reduces BOM count; 10-bit A/D resolves thermistor curves with <1°C error. |
Use Scenario: Driving seat motors, heating elements, and position memory with occupant detection via capacitive sensing. IC Role / Device Role / Timing Role: High-reliability controller with watchdog timer, low-voltage detection, and flash ECC for ASIL-B compliance. Use Value: E2dataFlash stores seat position profiles with 100,000-cycle endurance; CAN mailbox filtering isolates safety-critical messages. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F64217JFB#U0 | 256 KB flash + 8 KB data flash, 20 KB RAM - same pinout, peripherals, and temp grade | Required for larger firmware images (e.g., multi-protocol gateways with CAN FD upgrade path) | Select when future firmware growth or bootloader+application separation demands >128 KB code space |
| MB9B506R | Fujitsu FM3 family ARM Cortex-M3; 256 KB flash, 32 KB RAM, single CAN, no LIN; 100-pin LQFP | Lacks native LIN support - requires external LIN transceiver and software stack | Choose only if ARM ecosystem toolchain preference outweighs integrated LIN cost and validation effort |
Compared with R5F64216JFB#U0, R5F64217JFB#U0 offers scalable flash headroom without layout change, while MB9B506R trades LIN integration for ARM compatibility-increasing BOM cost and software validation scope.
Availability
R5F64216JFB#U0 is available at Aetrix Electronics and suitable for automotive body electronics, industrial motion controllers, and medical infusion pump designs requiring stable component supply across extended product lifecycles.
Supply support for R5F64216JFB#U0 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 automotive, industrial, and IoT markets.
The R32C/121 Group is part of Renesas' legacy M16C-family roadmap, engineered specifically for cost-sensitive, high-reliability vehicle network nodes where CAN/LIN coexistence and deterministic real-time performance are mandatory.
FAQ
What is the maximum operating frequency and supply voltage range for the R5F64216JFB#U0?
The R5F64216JFB#U0 operates at a maximum CPU frequency of 64 MHz with a supply voltage range of 3.0 V to 5.5 V. This wide VCC range allows direct interfacing with both 3.3 V and 5 V automotive subsystems without level-shifting circuitry. The minimum instruction execution time is 15.625 ns, enabling deterministic real-time response in safety-critical applications.
Does the R5F64216JFB#U0 include on-chip debug capability, and how is it accessed?
Yes, the R5F64216JFB#U0 supports on-chip debug via the NSD (Nexus Serial Data) pin, which implements a single-wire debug interface compatible with Renesas E2 emulator tools. The NSD pin must be pulled up to VCC with a 1–4.7 kΩ resistor. No external debug header is required, simplifying PCB layout and reducing system cost compared to JTAG-based alternatives.
How many CAN and LIN channels does the R5F64216JFB#U0 integrate, and what standards do they meet?
The R5F64216JFB#U0 integrates two independent CAN 2.0B modules compliant with ISO 11898-1 and two LIN 2.x modules compliant with LIN Consortium specifications. Each CAN channel has 32 dedicated mailboxes and wake-up capability (CAN0WU/CAN1WU pins), while LIN channels support master/slave operation with automatic baud rate detection-eliminating need for external protocol bridges.
What is the flash memory configuration and endurance specification for the R5F64216JFB#U0?
The R5F64216JFB#U0 contains 128 KB of main flash memory and two 4 KB data flash blocks (total 8 KB), with minimum program/erase endurance of 1,000 cycles for main flash and 100,000 cycles for data flash. The J version does not include E2dataFlash; security features include ROM code protect and ID code protect to prevent unauthorized firmware extraction.
Is the R5F64216JFB#U0 qualified for automotive temperature ranges, and what packaging is used?
Yes, the R5F64216JFB#U0 is qualified for the industrial automotive temperature range of −40°C to +85°C (J version) and packaged in a 100-pin plastic LQFP (PLQP0100KB-A) with 0.5 mm pitch. This package meets AEC-Q100 stress testing requirements and provides robust thermal performance for under-dash and door module placements.
R5F64216JFB#U0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- M16C/R32C/100/121
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- R32C/100
- Core Size:
- 16/32-Bit
- Speed:
- 64MHz
- Connectivity:
- 4-Wire SIO, CANbus, I2C, LINbus, SSC, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 84
- Program Memory Size:
- 136KB (136K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 12K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 5.5V
- Data Converters:
- A/D 26x10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F64216JFB#U0 FAQ
1.How can I place an order for R5F64216JFB#U0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F64216JFB#U0 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 R5F64216JFB#U0 reliable?
The price and inventory of R5F64216JFB#U0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F64216JFB#U0 is usually 5 days.
3.What payment methods are accepted for R5F64216JFB#U0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F64216JFB#U0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F64216JFB#U0?
R5F64216JFB#U0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F64216JFB#U0 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 R5F64216JFB#U0?
For technical support, including R5F64216JFB#U0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F64216JFB#U0 requirements.
6.How does Aetrix verify that R5F64216JFB#U0 is sourced from the original manufacturer or authorized distributors?
All R5F64216JFB#U0 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 R5F64216JFB#U0 meets industry standards.
7.What is the process for return or replacement of R5F64216JFB#U0?
All R5F64216JFB#U0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F64216JFB#U0, 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 R5F64216JFB#U0 part is unused and in its original packaging.
Return procedure for R5F64216JFB#U0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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