Renesas R5F64219JFB#U0
- Part No.:
- R5F64219JFB#U0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R5F64219JFB#U0.pdf
- Description:
- R32C121 F 512K/32K 100QFP 3-5.5V
- Quantity:
- Payment:

- Shipping:

Inventory:1,485
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Product details
Overview
R5F64219JFB#U0 from Renesas Electronics is a 32-bit CISC automotive microcontroller in the R32C/121 Group, featuring dual CAN 2.0B modules, dual LIN transceivers, 512 KB flash, 32 KB RAM, and IEEE-754 single-precision FPU - deployed in vehicle network gateways and body control modules requiring ISO 11898-1 compliance and -40°C to +85°C operation.
For engineers reviewing the R5F64219JFB#U0 datasheet, R5F64219JFB#U0 pinout, R5F64219JFB#U0 application, or R5F64219JFB#U0 equivalent, this page delivers verified package mapping (100-pin LQFP), confirmed CAN/LIN timing behavior, real-world interrupt vector count (261), and validated alternative part selection guidance for automotive ECU redesigns.
Technical Context
The R5F64219JFB#U0 implements the R32C/100 Series CPU core with 32-bit barrel shifter, 32×32→64-bit multiplier, and multiply-accumulate unit - enabling deterministic motor control loop execution at 64 MHz. Its memory architecture supports 4-Gbyte address space with flash mapped top-down from FFFFFFFFh and RAM starting at 00000400h.
Dual independent CAN controllers each support 32 mailboxes and full ISO 11898-1 physical layer compatibility; dual LIN modules operate per LIN 2.1 specification with automatic sync-break detection. The device integrates 26-channel 10-bit A/D converter with sample-and-hold and self-test capability, plus two 8-bit D/A outputs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | R32C/100 Series 32-bit CISC with IEEE-754 single-precision FPU and 32-bit barrel shifter - enables floating-point math in real-time motor control without external coprocessor |
| Operating Frequency | 64 MHz maximum (15.625 ns min instruction time) at VCC = 3.0–5.5 V - sustains deterministic timing for CAN message scheduling and PWM generation |
| Memory | 512 KB on-chip flash (1,000 program/erase cycles), 32 KB RAM, 4 KB × 2 E2dataFlash - sufficient for AUTOSAR-compliant boot loader + application partitioning |
| Peripherals | 2× CAN 2.0B (ISO 11898-1), 2× LIN 2.1, 5× UART, 3× serial bus interface, 10-bit A/D (26 ch), 8-bit D/A (2 ch), CRC-CCITT calculator - eliminates need for external protocol bridges |
| Package & Temp | 100-pin plastic LQFP (PLQP0100KB-A), -40°C to +85°C (J version) - qualified for under-hood automotive environments with validated thermal derating |
| Power Consumption | 36 mA active (VCC = 5.0 V, 64 MHz), 8 µA wait mode (VCC = 3.3 V, 32.768 kHz sub-clock) - meets low-power sleep requirements for always-on gateway nodes |
Pinout & Package
Package: 100-pin plastic molded LQFP (PLQP0100KB-A), 14 mm × 14 mm, 0.5 mm pitch, exposed pad not present.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P8_2 / INT0 / CAN0OUT / CAN1OUT | CAN transmit output (dual channel) | Drives CANH/CANL differential pair for primary and secondary CAN networks simultaneously - requires external transceiver per bus |
| P8_3 / INT1 / CAN0IN / CAN0WU / CAN1IN / CAN1WU | CAN receive & wake-up input (dual channel) | Accepts differential CAN bus signals and detects dominant state for remote wake-up - supports multi-bus arbitration and fault isolation |
| P7_4 / LIN0OUT | LIN transmit output (Channel 0) | Drives LIN bus master signal (12 V tolerant via external driver) - configured for break/delimiter/data frame timing per LIN 2.1 spec |
| P7_5 / LIN0IN | LIN receive input (Channel 0) | Accepts LIN slave response (0–12 V swing) with internal level-shifting - enables bidirectional communication without external voltage translation |
| P9_5 / CAN1IN / CAN1WU / ANEX0 | CAN1 receive + analog expansion input | Dual-function pin: serves as secondary CAN receive path and expanded analog input for op-amp feedback monitoring in sensor interfaces |
Key Features
| Feature | Design Value |
|---|---|
| Two independent CAN 2.0B controllers | Each supports 32 configurable mailboxes, programmable bit timing, and error confinement - enables concurrent high-speed powertrain and infotainment bus management |
| Dual LIN 2.1 modules | Integrated LIN protocol engine with auto-sync-break detection and checksum validation - reduces firmware overhead for body electronics node communication |
| IEEE-754 single-precision FPU | Hardware-accelerated floating-point arithmetic with FU/FO flags - eliminates software emulation latency in battery SOC estimation and thermal modeling |
| 26-channel 10-bit A/D with self-test | Simultaneous sampling across 4 groups, open-circuit detection assist, and ADTRG external trigger - ensures reliable sensor diagnostics in ASIL-B systems |
| Intelligent I/O with time measurement | 16-bit input capture and output compare per channel, digital debounce, phase-shift waveform output - replaces discrete timer ICs in window lift and seat position control |
Applications
| Vehicle Network Gateway | Body Control Module (BCM) |
|---|---|
|
Use Scenario: Aggregating messages between CAN powertrain bus and LIN door module network while enforcing firewall rules and message filtering. IC Role / Device Role / Timing Role: Central protocol translator with dual-CAN/LIN interface, real-time message routing, and hardware-based CRC validation. Use Value: Reduces host MCU load by offloading protocol parsing; 261 interrupt vectors enable prioritized handling of safety-critical CAN frames over non-critical LIN responses. |
Use Scenario: Managing lighting, wiper, and mirror functions in entry-level vehicles using mixed LIN-sensor inputs and PWM-driven LED outputs. IC Role / Device Role / Timing Role: Primary controller executing LIN slave responses, 10-bit A/D monitoring of ambient light sensors, and 8-bit D/A dimming control. Use Value: Eliminates external A/D and D/A converters; integrated LIN modules reduce BOM cost by 30% versus discrete transceiver solutions. |
| Electric Power Steering (EPS) Sensor Interface | Automotive Audio Amplifier Controller |
|
Use Scenario: Conditioning torque sensor signals and communicating with EPS motor controller via CAN, while monitoring supply voltage and temperature. IC Role / Device Role / Timing Role: Safety-monitoring peripheral interfacing with Hall-effect sensors, performing self-test on A/D paths, and transmitting fault status over CAN. Use Value: Built-in A/D self-test and open-circuit detection meet ISO 26262 diagnostic coverage requirements for ASIL-B sensor acquisition. |
Use Scenario: Controlling Class-D amplifier bias, monitoring speaker impedance via 10-bit A/D, and managing thermal shutdown via external NTC through dedicated analog inputs. IC Role / Device Role / Timing Role: System manager coordinating audio data stream (via UART), analog sensing, and PWM-controlled power stages. Use Value: 26-channel A/D allows simultaneous monitoring of 6+ thermal zones; 8-bit D/A provides precise reference voltage tuning for amplifier offset calibration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F64217JFB | 256 KB flash, 20 KB RAM, same peripherals and pinout | Lower memory capacity limits AUTOSAR stack depth and logging buffer size | Select when application firmware fits within 256 KB and cost sensitivity outweighs future scalability needs |
| R5F64219LFB | Identical memory/peripherals, rated for -40°C to +105°C | Required for under-hood placement near engine bay where ambient exceeds 85°C | Choose for extended temperature deployments; shares identical PCB layout but requires thermal validation at higher junction temps |
Compared with R5F64219JFB#U0, the R5F64217JFB offers reduced memory for cost-constrained entry-tier ECUs, while the R5F64219LFB extends operational range for thermally demanding locations - both retain identical CAN/LIN timing, interrupt structure, and debug interface compatibility.
Availability
R5F64219JFB#U0 is available at Aetrix Electronics and suitable for automotive gateway systems, body control modules, electric power steering interfaces, and infotainment subsystems requiring stable component supply across long production lifecycles.
Supply support for R5F64219JFB#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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power devices for automotive, industrial, and IoT markets.
The R32C/121 Group is designed specifically for automotive vehicle network applications, integrating dual CAN and dual LIN controllers with robust EMI immunity and extended temperature operation to replace legacy 8/16-bit MCUs in ECU designs.
FAQ
What is the maximum operating frequency and supply voltage range for the R5F64219JFB#U0?
The R5F64219JFB#U0 operates at up to 64 MHz with a supply voltage range of 3.0 V to 5.5 V. Its minimum instruction execution time is 15.625 ns at 64 MHz, and it maintains full functionality across the entire voltage range - critical for automotive battery transient conditions where VCC may dip to 3.0 V during cranking.
Does the R5F64219JFB#U0 include on-chip debug capability?
Yes, the R5F64219JFB#U0 features on-chip debug support via the NSD pin, compatible with Renesas E1/E20 emulators. This enables full JTAG-style debugging including breakpoint setting, register inspection, and flash programming without requiring external debug probes beyond standard Renesas toolchains.
How many CAN and LIN channels does the R5F64219JFB#U0 support?
The R5F64219JFB#U0 integrates two independent CAN 2.0B modules compliant with ISO 11898-1 and two LIN 2.1 modules. Each CAN module supports 32 mailboxes with programmable acceptance filters, and each LIN module handles full protocol framing including sync-break detection and checksum generation.
What is the A/D converter resolution and channel count on the R5F64219JFB#U0?
The R5F64219JFB#U0 includes a 10-bit successive-approximation A/D converter with 26 input channels. It supports sample-and-hold operation, self-test mode, and open-circuit detection - features essential for functional safety compliance in automotive sensor interfaces.
Is the R5F64219JFB#U0 pin-compatible with other members of the R32C/121 Group?
Yes, all R32C/121 Group devices including R5F64219JFB#U0 use the identical 100-pin LQFP (PLQP0100KB-A) package with fully compatible pin assignments. Memory variants (e.g., R5F64217JFB) and temperature variants (e.g., R5F64219LFB) share the same footprint, allowing one PCB design to support multiple configurations.
R5F64219JFB#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:
- 520KB (520K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 32K 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:
R5F64219JFB#U0 FAQ
1.How can I place an order for R5F64219JFB#U0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F64219JFB#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 R5F64219JFB#U0 reliable?
The price and inventory of R5F64219JFB#U0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F64219JFB#U0 is usually 5 days.
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R5F64219JFB#U0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F64219JFB#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 R5F64219JFB#U0?
For technical support, including R5F64219JFB#U0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F64219JFB#U0 requirements.
6.How does Aetrix verify that R5F64219JFB#U0 is sourced from the original manufacturer or authorized distributors?
All R5F64219JFB#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 R5F64219JFB#U0 meets industry standards.
7.What is the process for return or replacement of R5F64219JFB#U0?
All R5F64219JFB#U0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F64219JFB#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 R5F64219JFB#U0 part is unused and in its original packaging.
Return procedure for R5F64219JFB#U0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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