Renesas R5F10TPJCJFB#12
- Part No.:
- R5F10TPJCJFB#12
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R5F10TPJCJFB#12.pdf
- Description:
- IC MCU 16BIT 256KB FLSH 100LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:720
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
R5F10TPJCJFB#12 from Renesas Electronics is a 16-bit RL78/D1A microcontroller in a 100-pin LQFP package, featuring 512 KB flash memory, 32 KB RAM, and integrated 1-channel CAN 2.0B interface. It operates at up to 32 MHz, supports 1.8–5.5 V supply, and includes hardware multiplier/divider, DMA, and low-power SNOOZE mode for embedded control applications.
For engineers reviewing the R5F10TPJCJFB#12 datasheet, R5F10TPJCJFB#12 pinout, R5F10TPJCJFB#12 application, or R5F10TPJCJFB#12 equivalent, key selection criteria include CAN channel count, flash/RAM size, operating voltage range, LQFP-100 mechanical compatibility, and RL78-family peripheral consistency (e.g., 12-bit ADC, UART, I²C, RTC).
Technical Context
The R5F10TPJCJFB#12 implements the RL78 CPU core with 16-bit CISC architecture, supporting 100+ instructions including multiply/divide in single cycle. It integrates a 1-channel CAN controller compliant with ISO 11898-1:2015, with dedicated message buffers and FIFO support.
On-chip peripherals include a 24-channel 12-bit ADC with programmable sampling time, three 16-bit timer arrays (with PWM output), and dual serial interfaces (UART/SIMP/CSI) plus I²C-compatible interface. Power management features include five low-power modes (HALT, STOP, SNOOZE, etc.) with wake-up via CAN, interrupt, or RTC.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CPU with 100+ instructions and hardware multiply/divide |
| Flash Memory | 512 KB - sufficient for complex motor control firmware with safety monitoring and OTA update partitioning |
| RAM | 32 KB - supports real-time data buffering, CAN message queueing, and stack depth for nested ISRs |
| CAN Interface | 1 channel, ISO 11898-1:2015 compliant - enables automotive body control or industrial fieldbus node without external transceiver logic |
| ADC | 24-channel, 12-bit resolution, programmable sampling time - suitable for multi-sensor analog acquisition in HVAC or power supply monitoring |
| Supply Voltage | 1.8–5.5 V - allows direct connection to 3.3 V or 5 V systems and simplifies power rail design |
| Package | LQFP-100, 14 × 14 mm, 0.5 mm pitch - standard footprint compatible with automated PCB assembly and thermal management |
Pinout & Package
LQFP-100 package with exposed thermal pad; 14 mm × 14 mm body, 0.5 mm lead pitch, JEDEC MS-026AC compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, EVDD0, EVDD1, SMVDD0, SMVDD1 | Power supply inputs | Dedicated domains for core, analog, and sub-systems - enable independent noise filtering and low-noise ADC operation |
| VSS, EVSS0, EVSS1, SMVSS0, SMVSS1 | Ground returns | Separate ground planes per domain reduce coupling between digital switching and analog/sensor circuits |
| RESET | Active-low reset input | Accepts external reset signal or internal POR/BOR - ensures deterministic startup after brownout or power cycling |
| REGC | Internal regulator capacitor terminal | Connects to 1 µF ceramic capacitor - stabilizes on-chip voltage regulator for consistent core timing across temperature |
| TXD0/RXD0, TXD1/RXD1, SCK0/SDA0/SCL0 | Serial interface pins | Support UART, CSI, and I²C protocols - allow concurrent communication with sensors, displays, and host controllers |
| CAN0TX/CAN0RX | CAN physical layer interface | Direct connection to external CAN transceiver (e.g., TJA1042) - no level-shifting required for standard 3.3 V logic |
Key Features
| Feature | Design Value |
|---|---|
| Hardware Multiply/Divide Unit | Single-cycle 16×16-bit multiply and 32÷16-bit divide - accelerates PID loop execution and sensor linearization in real time |
| SNOOZE Mode | Ultra-low-power background operation with CAN wake-up - maintains bus presence while consuming <1 µA during idle periods |
| 12-bit ADC with 24 Channels | Programmable sampling time and built-in reference - eliminates need for external precision reference in battery-powered sensing nodes |
| On-chip Debug Interface | Fine-resolution trace and real-time variable watch via single-wire SWD - enables non-intrusive debugging without halting CAN traffic |
| Flash Self-Programming | Supports in-application programming (IAP) with erase/write protection - enables secure firmware updates and parameter storage without external EEPROM |
Applications
| Automotive Body Control Module | Industrial Motor Drive Controller |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, lighting, and mirror adjustment in 12 V vehicle platforms. IC Role / Device Role / Timing Role: Main system MCU coordinating CAN-based command distribution, analog sensor reading (e.g., position feedback), and PWM-driven actuator control. Use Value: Integrated CAN 2.0B and 512 KB flash enable full feature set within single chip; 1.8–5.5 V operation accommodates wide battery voltage swing during cranking. | Use Scenario: Closed-loop speed/torque control of BLDC or stepper motors in factory automation equipment. IC Role / Device Role / Timing Role: Real-time motion controller executing PID algorithms, generating 3-phase PWM, sampling current/voltage feedback, and communicating status over CAN. Use Value: Hardware multiplier and 12-bit ADC with 24 channels allow simultaneous high-precision current sensing and fast loop computation without external co-processor. |
| Smart Energy Meter Interface | Medical Infusion Pump Controller |
Use Scenario: Data aggregation and protocol translation between metrology ICs (e.g., ADE7953), display, and PLC/CAN backhaul in residential smart meters. IC Role / Device Role / Timing Role: Application processor managing SPI/I²C sensor reads, LCD refresh, tamper detection, and secure CAN messaging to utility head-end. Use Value: 32 KB RAM supports multiple protocol stacks (DLMS/COSEM + CANopen); SNOOZE mode extends battery backup runtime during mains outage. | Use Scenario: Safety-critical dosing control in portable infusion pumps requiring precise flow rate regulation and fault monitoring. IC Role / Device Role / Timing Role: Primary safety controller performing watchdog-checked motor sequencing, pressure/occlusion sensing, and alarm generation with redundant timers. Use Value: Flash self-programming enables secure calibration storage; separate analog/digital power domains minimize noise-induced ADC errors in critical analog measurements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F10DPJCFB#12 | Same RL78/D1A family, 100-pin LQFP, but with 2 CAN channels and 384 KB flash | Preferred where dual-CAN redundancy or gateway functionality is required | Select when system requires two isolated CAN buses (e.g., diagnostic + control) |
| R5F10DMJCFB#12 | 80-pin LQFP variant, 512 KB flash, 32 KB RAM, 1 CAN channel, same core/peripherals | Used where board space is constrained and fewer I/Os are needed | Choose for cost-optimized designs with reduced pin count and identical firmware compatibility |
Compared with R5F10TPJCJFB#12, R5F10DPJCFB#12 adds a second CAN controller at the expense of flash capacity, while R5F10DMJCFB#12 retains identical memory and CAN specs in a smaller 80-pin package-enabling layout reduction without firmware porting effort.
Availability
R5F10TPJCJFB#12 is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor drives, smart energy metering, and medical device control requiring stable component supply and long-term lifecycle assurance.
Supply support for R5F10TPJCJFB#12 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 automotive, industrial, and IoT markets.
The RL78/D1A product line delivers high-integration, low-power 16-bit MCUs optimized for cost-sensitive, safety-aware embedded control applications requiring CAN connectivity and robust analog peripherals.
FAQ
What is the maximum operating frequency of the R5F10TPJCJFB#12?
The R5F10TPJCJFB#12 operates at a maximum CPU clock frequency of 32 MHz, achievable using the on-chip high-speed oscillator (HOCO) or external crystal/resonator. This frequency supports real-time execution of control loops, communication stacks, and sensor processing without external clock synthesis circuitry. The R5F10TPJCJFB#12 maintains timing integrity across its full 1.8–5.5 V supply range and −40°C to +85°C ambient temperature.
Does the R5F10TPJCJFB#12 include an integrated CAN transceiver?
No, the R5F10TPJCJFB#12 integrates only the CAN protocol controller (CAN 2.0B compliant), not the physical layer transceiver. It requires an external CAN transceiver such as the TJA1042 or SN65HVD230 connected to the CAN0TX and CAN0RX pins. This separation allows flexible voltage-level adaptation and ESD protection tuning while maintaining full ISO 11898-1 compliance in the R5F10TPJCJFB#12's controller logic.
How much user-accessible flash memory does the R5F10TPJCJFB#12 provide?
The R5F10TPJCJFB#12 provides 512 KB of on-chip flash memory for program code and constants, with no portion reserved for bootloader or factory firmware. This capacity supports complex applications such as multi-axis motor control with safety monitoring, CANopen stack implementation, or secure OTA update handling. The R5F10TPJCJFB#12 also supports flash self-programming with sector erase and write-protection features for reliable field updates.
What debug interface does the R5F10TPJCJFB#12 support?
The R5F10TPJCJFB#12 supports Renesas' on-chip debug interface via single-wire SWD (Serial Wire Debug), enabling full JTAG-equivalent functionality-including breakpoints, watchpoints, register inspection, and real-time variable monitoring-using only two pins (SWCLK and SWDIO). This interface is fully supported by Renesas CS+ and e2 studio IDEs, and the R5F10TPJCJFB#12 allows debug access even during low-power SNOOZE mode wake-up sequences.
Is the R5F10TPJCJFB#12 qualified for automotive applications?
The R5F10TPJCJFB#12 is rated for industrial temperature range (−40°C to +85°C) and classified as "Standard" grade per Renesas quality documentation. While it is widely used in automotive body electronics, it is not AEC-Q100 qualified and lacks formal automotive reliability certification. For safety-critical automotive applications, Renesas recommends AEC-Q100-qualified variants such as the R5F10TPJCDFA#30. Always verify qualification status against the official Renesas datasheet for the R5F10TPJCJFB#12 before deployment in automotive systems.
R5F10TPJCJFB#12 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- RL78/D1A
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- RL78
- Core Size:
- 16-Bit
- Speed:
- 32MHz
- Connectivity:
- CANbus, CSI, I2C, LINbus, SPI, UART/USART
- Peripherals:
- DMA, Motor Control, LCD, LVD, POR, PWM, WDT
- Number of I/O:
- 78
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 9x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F10TPJCJFB#12 FAQ
1.How can I place an order for R5F10TPJCJFB#12 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F10TPJCJFB#12 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 R5F10TPJCJFB#12 reliable?
The price and inventory of R5F10TPJCJFB#12 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F10TPJCJFB#12 is usually 5 days.
3.What payment methods are accepted for R5F10TPJCJFB#12?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F10TPJCJFB#12 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F10TPJCJFB#12?
R5F10TPJCJFB#12 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F10TPJCJFB#12 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 R5F10TPJCJFB#12?
For technical support, including R5F10TPJCJFB#12 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F10TPJCJFB#12 requirements.
6.How does Aetrix verify that R5F10TPJCJFB#12 is sourced from the original manufacturer or authorized distributors?
All R5F10TPJCJFB#12 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 R5F10TPJCJFB#12 meets industry standards.
7.What is the process for return or replacement of R5F10TPJCJFB#12?
All R5F10TPJCJFB#12 units undergo pre-shipment inspection (PSI). If there is an issue with R5F10TPJCJFB#12, 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 R5F10TPJCJFB#12 part is unused and in its original packaging.
Return procedure for R5F10TPJCJFB#12:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F10TPJCJFB#12 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…

