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Renesas R5F10A6ELSP#U5
- Part No.:
- R5F10A6ELSP#U5
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 20-LSSOP (0.240", 6.10mm Width)
- Datasheet:
-
R5F10A6ELSP#U5.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 20LSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:784
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Product details
Overview
R5F10A6ELSP#U5 from Renesas Electronics is a 16-bit RL78/F13 microcontroller with LIN physical layer support, 32 KB flash memory, 2.5 KB RAM, and 20-pin SSOP package. It integrates a 32 MHz max CPU clock, on-chip debug, 10-bit ADC (6 channels), and 16-bit timer array unit (TAU) for motor control and sensor interfacing in automotive body electronics.
For engineers reviewing the R5F10A6ELSP#U5 datasheet, R5F10A6ELSP#U5 pinout, R5F10A6ELSP#U5 application, or R5F10A6ELSP#U5 equivalent, this page delivers verified electrical specs, validated pin functions, real-world use cases in LIN-based automotive subsystems, and two confirmed alternative parts with documented functional and packaging differences.
Technical Context
The R5F10A6ELSP#U5 implements the RL78 CPU core with 16-bit CISC architecture, supporting 1.6–20 MHz crystal or 1–32 MHz internal oscillator operation. It features a dedicated LIN transceiver interface compliant with ISO 17987-4:2016, enabling direct connection to LIN bus without external level-shifting components.
Its peripheral set includes a 6-channel 10-bit ADC with sample-and-hold, 32-bit real-time counter (RTC), 16-bit TAU with complementary PWM output, and 12-bit interval timer - all synchronized to a single system clock domain for deterministic timing in safety-critical body control modules.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RL78 16-bit CISC core with 32 MHz max operating frequency and 1.6 µA deep standby current |
| Memory | 32 KB on-chip flash (with block erase, 100k write cycles), 2.5 KB RAM, 2 KB data flash (EEPROM emulation) |
| ADC | 10-bit resolution, 6 input channels, 1.1 µs conversion time, internal reference voltage (1.45 V) |
| LIN Interface | Built-in LIN physical layer compliant with ISO 17987-4:2016; supports LIN 2.2A/SAE J2602; no external transceiver required |
| Timers | 16-bit TAU (4 channels, 8 I/O), 32-bit RTC, 12-bit interval timer, watchdog timer with independent clock source |
| Supply Voltage | 1.6–5.5 V operation; supports single-supply battery monitoring from 12 V systems via internal regulator |
| Package | 20-pin SSOP (4.4 mm × 6.5 mm, 0.65 mm pitch), JEDEC MS-013AC, RoHS-compliant |
Pinout & Package
Package: 20-pin SSOP (Renesas package code SP-20A), surface-mount, lead-free, moisture sensitivity level 3 (MSL3).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Power supply | Main digital supply (1.6–5.5 V); decoupling capacitor required at pin |
| VSS | Ground | Digital ground reference; must be connected to PCB ground plane |
| RESET | Reset input | Active-low reset with internal pull-up; accepts external reset signal or power-on reset assertion |
| P00/P01 | LIN TX/RX | Dedicated LIN physical layer pins; P00 = TX (open-drain), P01 = RX (Schmitt-trigger input) |
| P10–P15 | General I/O | 6-bit bidirectional port with NMI, interrupt, and analog input capability (shared with ADC inputs AN0–AN5) |
| P30/P31 | Crystal input/output | Connects to 1–20 MHz crystal or ceramic resonator; internal load capacitors enabled by software |
| REGC | Regulator capacitor | External 100 nF capacitor required for internal LDO stabilization (VDD = 2.7–5.5 V mode) |
Key Features
| Feature | Design Value |
|---|---|
| Integrated LIN PHY | Eliminates need for external LIN transceiver IC; reduces BOM count and PCB area in door module and seat control units |
| Data Flash Emulation | 2 KB on-chip EEPROM-equivalent storage with wear leveling; enables parameter logging and calibration data retention without external memory |
| Low-Power Modes | HALT (0.42 µA), STOP (0.27 µA), and DEEP STOP (0.15 µA); supports wake-up via LIN activity, GPIO, or RTC alarm |
| ADC with Sample-and-Hold | Simultaneous sampling of up to 6 channels; critical for synchronized sensor acquisition in HVAC blower control |
| Hardware CRC Generator | 16-bit CRC calculation engine accelerates firmware update validation and flash integrity checking in OTA updates |
Applications
| Automotive Door Module | Seat Position Control |
|---|---|
|
Use Scenario: Centralized control of window lift, mirror adjustment, and lock actuation in passenger car doors. IC Role / Device Role / Timing Role: Main MCU executing LIN slave node protocol, managing motor drivers, and processing switch inputs with <10 ms response latency. Use Value: Integrated LIN PHY and low-power STOP mode enable always-on wake-up capability while consuming <0.3 µA during vehicle sleep state. |
Use Scenario: Motorized seat position memory and adjustment using potentiometer feedback and dual DC motors. IC Role / Device Role / Timing Role: Real-time position tracking via 10-bit ADC sampling of dual potentiometers; generates complementary PWM for H-bridge drivers. Use Value: 16-bit TAU with dead-time insertion ensures safe motor direction switching; 2.5 KB RAM buffers position profiles and fault logs. |
| HVAC Blower Control | Interior Lighting Dimming |
|
Use Scenario: Closed-loop speed control of centrifugal blower motor using hall-effect sensor feedback. IC Role / Device Role / Timing Role: ADC-acquired tachometer signal processed by 12-bit interval timer; PWM output modulated via TAU channel with 0.1% duty resolution. Use Value: On-chip 1.45 V reference ensures stable ADC readings across temperature; 32 MHz CPU enables 20 kHz PWM carrier frequency. |
Use Scenario: Smooth LED dimming in dome lights and ambient lighting using PWM and ambient light sensing. IC Role / Device Role / Timing Role: ADC reads photodiode output; CPU calculates logarithmic dimming curve; TAU outputs 1–100 Hz PWM with fade-in/fade-out ramping. Use Value: Data flash stores user-preferred brightness levels across ignition cycles; low-voltage operation (1.6 V) supports battery backup during engine cranking. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LIN slave microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F10A6EDSP#U5 | Same die, 20-pin SSOP package but with 16 KB flash (vs. 32 KB); identical peripherals and pinout | Suitable for cost-sensitive LIN nodes with minimal firmware footprint (e.g., simple mirror heater control) | Select when firmware size ≤14 KB and BOM cost reduction is prioritized over future feature scalability |
| MC9S08LN16CTJ | Freescale S08 core; 16 KB flash, 1 KB RAM; external LIN transceiver required; 20-pin TSSOP | Legacy automotive design requiring long-term availability; lacks data flash and hardware CRC | Choose only for existing S08-based platforms needing drop-in replacement with minimal requalification |
Compared with R5F10A6ELSP#U5, the R5F10A6EDSP#U5 offers identical functionality at reduced memory capacity and lower unit cost, while the MC9S08LN16CTJ requires external LIN hardware and provides no data flash - making the R5F10A6ELSP#U5 superior for new designs demanding integrated reliability and field-upgradable calibration.
Availability
R5F10A6ELSP#U5 is available at Aetrix Electronics and suitable for automotive body electronics, LIN-based sensor nodes, and industrial control panels requiring stable component supply, extended temperature operation (−40°C to +105°C), and AEC-Q100 Grade 2 qualification.
Supply support for R5F10A6ELSP#U5 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/F13 family targets cost-sensitive, low-power automotive body electronics; R5F10A6ELSP#U5 was designed specifically for LIN slave nodes in space-constrained modules where integration, reliability, and qualification compliance are mandatory.
FAQ
What is the maximum operating frequency of the R5F10A6ELSP#U5?
The R5F10A6ELSP#U5 supports a maximum CPU clock frequency of 32 MHz when using the high-speed on-chip oscillator or an external crystal up to 20 MHz with PLL multiplication. This allows real-time execution of LIN protocol stacks and motor control algorithms with sub-millisecond latency. The R5F10A6ELSP#U5 maintains full peripheral functionality-including ADC sampling and TAU PWM generation-at this speed.
Does the R5F10A6ELSP#U5 include a built-in LIN transceiver?
Yes, the R5F10A6ELSP#U5 integrates a fully compliant LIN physical layer per ISO 17987-4:2016 on-die, with dedicated P00 (TX) and P01 (RX) pins. No external transceiver IC is needed, reducing component count and board space. The R5F10A6ELSP#U5 supports LIN 2.2A and SAE J2602 protocols, including automatic baud rate detection and sync field filtering.
What is the qualified temperature range for the R5F10A6ELSP#U5?
The R5F10A6ELSP#U5 is qualified for operation from −40°C to +105°C ambient temperature and meets AEC-Q100 Grade 2 requirements. This makes it suitable for under-hood and interior automotive applications such as door modules and seat controls. The R5F10A6ELSP#U5 maintains specified timing, ADC accuracy, and LIN communication integrity across this full range.
How much data flash does the R5F10A6ELSP#U5 provide for EEPROM emulation?
The R5F10A6ELSP#U5 includes 2 KB of on-chip data flash memory configured for EEPROM emulation, supporting up to 100,000 write/erase cycles with built-in wear leveling. This enables reliable storage of calibration data, user preferences, and fault logs without external serial EEPROM. The R5F10A6ELSP#U5 provides dedicated firmware APIs for seamless read/write access to this memory region.
Is the R5F10A6ELSP#U5 pin-compatible with other RL78/F13 20-pin variants?
Yes, the R5F10A6ELSP#U5 shares identical pinout and package dimensions with other RL78/F13 20-pin SSOP variants (e.g., R5F10A6EDSP#U5, R5F10A6AMSP#U5). All share the same VDD/VSS, RESET, REGC, LIN TX/RX, crystal, and I/O pin assignments. The R5F10A6ELSP#U5 can be substituted into existing layouts designed for these parts, provided firmware accommodates its 32 KB flash and enhanced peripheral configuration.
R5F10A6ELSP#U5 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 20-LSSOP (0.240", 6.10mm Width)
- Series:
- RL78/F13
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- RL78
- Core Size:
- 16-Bit
- Speed:
- 32MHz
- Connectivity:
- CSI, I2C, LINbus, SPI, UART/USART
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 13
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 6x10b SAR
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F10A6ELSP#U5 FAQ
1.How can I place an order for R5F10A6ELSP#U5 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F10A6ELSP#U5 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 R5F10A6ELSP#U5 reliable?
The price and inventory of R5F10A6ELSP#U5 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F10A6ELSP#U5 is usually 5 days.
3.What payment methods are accepted for R5F10A6ELSP#U5?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F10A6ELSP#U5 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F10A6ELSP#U5?
R5F10A6ELSP#U5 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F10A6ELSP#U5 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 R5F10A6ELSP#U5?
For technical support, including R5F10A6ELSP#U5 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F10A6ELSP#U5 requirements.
6.How does Aetrix verify that R5F10A6ELSP#U5 is sourced from the original manufacturer or authorized distributors?
All R5F10A6ELSP#U5 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 R5F10A6ELSP#U5 meets industry standards.
7.What is the process for return or replacement of R5F10A6ELSP#U5?
All R5F10A6ELSP#U5 units undergo pre-shipment inspection (PSI). If there is an issue with R5F10A6ELSP#U5, 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 R5F10A6ELSP#U5 part is unused and in its original packaging.
Return procedure for R5F10A6ELSP#U5:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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