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Renesas R5F2L357CNFP#50
- Part No.:
- R5F2L357CNFP#50
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 52-LQFP
- Datasheet:
-
R5F2L357CNFP#50.pdf
- Description:
- IC MCU 16BIT 48KB FLASH 52LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,292
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Product details
Overview
R5F2L357CNFP#50 from Renesas Electronics is a 16-bit R8C/L35C Group microcontroller featuring the R8C CPU core, 48 KB program flash, 6 KB RAM, and 1 KB × 4 data flash with background operation (BGO). It delivers 50 ns minimum instruction execution at 20 MHz, integrates a 16×16→32-bit hardware multiplier, and supports LCD drive (up to 4 COM / 24 SEG) for embedded appliance control panels.
For engineers reviewing the R5F2L357CNFP#50 datasheet, R5F2L357CNFP#50 pinout, R5F2L357CNFP#50 application, or R5F2L357CNFP#50 equivalent, this MCU is selected for cost-sensitive, low-power consumer electronics requiring integrated analog peripherals (10-bit ADC × 10), dual UARTs, LIN bus support, and on-chip voltage detection with -20°C to +85°C industrial temperature grade.
Technical Context
The R5F2L357CNFP#50 implements the R8C CPU core with 89 fundamental instructions and single-chip 1 Mbyte address space. Its system clock generation includes XIN (20 MHz max), XCIN (32 kHz), high-speed on-chip oscillator (frequency-adjustable), and low-speed on-chip oscillator - all selectable via software-controlled mode registers.
Peripheral integration includes Timer RA/RB/RC/RE (8- or 16-bit), DTC with 38 activation sources, UART0/UART1/UART2 (with I²C mode), LIN module (using Timer RA and UART0), 10-bit A/D converter with sweep mode, 8-bit D/A × 2, Comparator B × 2, and LCD controller supporting static/1/2/1/3 bias and 1/2/1/3/1/4 duty.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | R8C 16-bit core with 89 instructions, 1 Mbyte address space, 50 ns min. instruction time at 20 MHz |
| Memory | 48 KB flash ROM, 6 KB RAM, 4 KB data flash (1 KB × 4 blocks) with BGO and on-chip debug |
| ADC | 10-bit resolution × 10 channels, sample-and-hold, sweep mode, AN0–AN9 mapped to P0/P13 ports |
| LCD Driver | Up to 4 common outputs and 24 segment outputs; supports 1/2 or 1/3 bias, static/1/2/1/3/1/4 duty |
| Operating Temp | -20°C to +85°C (N version); VCC = 1.8–5.5 V; typ. 7 mA @ 5 V/20 MHz, 2 µA in stop mode |
| Package | 52-pin LQFP (PLQP0052JA-A), 0.65 mm pitch, RoHS-compliant |
| Peripherals | UART × 3 (UART2 supports I²C mode), LIN × 1, DTC × 1, watchdog timer, voltage detection (VDD/VDET) |
Pinout & Package
52-pin LQFP (PLQP0052JA-A) package with 0.65 mm pin pitch, exposed pad not specified, JEDEC MS-026 compliant footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0_0–P0_7 | Programmable I/O / SEG0–SEG7 / AN4–AN9 | Primary LCD segment drivers and analog inputs; configurable as CMOS I/O with pull-up |
| P7_4–P7_7 | COM0–COM3 | Dedicated LCD common outputs; no alternate functions; enable 4-segment multiplexing |
| P13_0/P13_1 | AN0/DA0, AN1/DA1/TXD0 | Shared analog input / 8-bit DAC output / UART0 transmit; critical for sensor+actuator interface |
| XIN/XOUT | External crystal oscillator input/output | Supports 1–20 MHz crystals; required for precise timing in appliance real-time control |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts external debounced pushbutton or supervisor IC |
| VCC/AVCC | Digital/analog power supply | Single 1.8–5.5 V rail; AVCC must be decoupled separately for ADC/DAC noise immunity |
Key Features
| Feature | Design Value |
|---|---|
| Background Operation (BGO) | Data flash erase/write during program execution enables seamless firmware updates without halting control loops |
| Integrated LIN Physical Layer | Hardware LIN transceiver using UART0 + Timer RA eliminates external transceiver for automotive body electronics |
| Low-Power Operating Modes | Stop mode (2 µA), wait mode (3.5 µA @ 32 kHz), and power-off mode (0.02 µA) extend battery life in portable devices |
| On-Chip Voltage Detection | Configurable reset and interrupt thresholds (VDET0/VDET1) protect against brown-out in unregulated power supplies |
| Hardware Multiplier | 16×16→32-bit multiply and multiply-accumulate accelerate motor control algorithms and digital filtering |
Applications
| Refrigerator Control Panel | Printer Mainboard |
|---|---|
|
Use Scenario: Real-time monitoring of temperature sensors, user button inputs, and display refresh for segmented LCD. IC Role / Device Role / Timing Role: Primary system controller executing PID logic, managing 4-COM/24-SEG LCD, and handling UART-based communication with main processor. Use Value: Integrated LCD driver and 10-channel ADC eliminate external components; BGO allows field firmware patching without panel downtime. |
Use Scenario: Managing paper feed sensors, print head timing, and status LED/display on entry-level inkjet printers. IC Role / Device Role / Timing Role: Dedicated subsystem MCU coordinating stepper motor control (via PWM timers), sensor polling, and serial command parsing. Use Value: Hardware LIN and dual UARTs enable interoperability with host PC and peripheral modules; low-power modes reduce standby consumption. |
| Audio System Front Panel | Smart Thermostat Interface |
|
Use Scenario: Driving 7-segment + icon LCD, decoding rotary encoder inputs, and controlling audio amplifier mute/gain. IC Role / Device Role / Timing Role: Human interface processor handling key scan, display update, and I²C communication with audio DSP. Use Value: On-chip D/A converters generate analog control voltages; 8-bit DACs replace external op-amp networks for gain staging. |
Use Scenario: Reading thermistor/ambient sensors, driving 4-digit LCD, managing Wi-Fi module power sequencing, and detecting window-open events. IC Role / Device Role / Timing Role: Low-power environmental manager operating in stop mode between 10-second sensor reads and display updates. Use Value: 2 µA stop-mode current extends CR2032 battery life to >2 years; integrated voltage detection prevents erratic behavior during battery decay. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F2L358CNFP#50 | 64 KB program flash, 8 KB RAM; identical pinout, peripherals, and package | Higher firmware capacity for feature-rich appliance UIs with logging or OTA update buffers | Select when future firmware expansion or bootloader complexity requires >48 KB code space |
| R5F2L367CNFP#50 | 52-pin LQFP same package, but R8C/L36C Group: adds 11 more I/O pins, 8-key interrupt inputs, and 32-segment LCD drive | Enables larger displays or additional sensor/actuator interfaces without PCB redesign | Choose when migrating from R5F2L357CNFP#50 to support expanded I/O or enhanced LCD capability |
Compared with R5F2L357CNFP#50, R5F2L358CNFP#50 offers scalable code memory within identical hardware constraints, while R5F2L367CNFP#50 provides architectural growth in I/O count and LCD segment support - both retain full toolchain and peripheral compatibility for incremental design evolution.
Availability
R5F2L357CNFP#50 is available at Aetrix Electronics and suitable for refrigerator control panels, printer subsystems, audio front-ends, and smart thermostat interfaces requiring stable component supply across industrial temperature ranges and long production lifecycles.
Supply support for R5F2L357CNFP#50 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 specializing in microcontrollers, analog, and power solutions for automotive, industrial, and IoT markets.
The R8C/L35C Group targets cost-optimized, low-power consumer and industrial control applications where integrated LCD drive, analog peripherals, and LIN connectivity reduce BOM count and board space.
FAQ
What is the maximum operating frequency and supply voltage range for the R5F2L357CNFP#50?
The R5F2L357CNFP#50 operates up to 20 MHz when supplied at 2.7–5.5 V, and supports reduced-frequency operation down to 5 MHz at 1.8–5.5 V for ultra-low-voltage applications. Its minimum instruction execution time is 50 ns under 20 MHz/5.0 V conditions, confirmed in the R01DS0095EJ0101 datasheet Section 1.1.3.
Does the R5F2L357CNFP#50 support hardware LIN communication, and how is it implemented?
Yes, the R5F2L357CNFP#50 integrates a hardware LIN module using UART0 and Timer RA per the R01DS0095EJ0101 datasheet Section 1.1. The LIN physical layer is implemented entirely on-chip - no external transceiver is needed - making it suitable for automotive body electronics and appliance sub-networks requiring ISO 9141-2 or SAE J2602 compliance.
How many analog input channels does the R5F2L357CNFP#50 support, and what is their resolution?
The R5F2L357CNFP#50 features a 10-bit successive-approximation ADC with 10 input channels (AN0–AN9), mapped to P0_0–P0_5 and P13_0–P13_3. It includes sample-and-hold functionality and sweep mode for automatic channel scanning, enabling efficient multi-sensor acquisition in thermostats and appliance control systems.
What LCD configuration options are supported by the R5F2L357CNFP#50's built-in controller?
The R5F2L357CNFP#50 LCD controller supports up to 4 common outputs and 24 segment outputs, with selectable bias (1/2 or 1/3) and duty (static, 1/2, 1/3, or 1/4). It lacks VL3 and SEG52–SEG55 pins, so 1/4-bias and 1/8-duty modes are unavailable - confirmed in Table 1.1 Notes 2–3 of the R01DS0095EJ0101 datasheet.
Is background operation (BGO) available for data flash writes on the R5F2L357CNFP#50, and what is its endurance rating?
Yes, the R5F2L357CNFP#50 supports background operation (BGO) for data flash, allowing program/erase operations while the CPU executes code from ROM. Data flash endurance is rated at 10,000 write/erase cycles, and program ROM endurance is 1,000 cycles - specified in Table 1.6 of the R01DS0095EJ0101 datasheet.
R5F2L357CNFP#50 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 52-LQFP
- Series:
- R8C/Lx/35C
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Last Time Buy
- Programmable:
- Not Verified
- Core Processor:
- R8C
- Core Size:
- 16-Bit
- Speed:
- 20MHz
- Connectivity:
- I2C, LINbus, SIO, SSU, UART/USART
- Peripherals:
- LCD, POR, PWM, Voltage Detect, WDT
- Number of I/O:
- 41
- Program Memory Size:
- 48KB (48K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 6K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 5.5V
- Data Converters:
- A/D 10x10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -20°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F2L357CNFP#50 FAQ
1.How can I place an order for R5F2L357CNFP#50 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F2L357CNFP#50 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 R5F2L357CNFP#50 reliable?
The price and inventory of R5F2L357CNFP#50 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F2L357CNFP#50 is usually 5 days.
3.What payment methods are accepted for R5F2L357CNFP#50?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F2L357CNFP#50 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F2L357CNFP#50?
R5F2L357CNFP#50 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F2L357CNFP#50 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 R5F2L357CNFP#50?
For technical support, including R5F2L357CNFP#50 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F2L357CNFP#50 requirements.
6.How does Aetrix verify that R5F2L357CNFP#50 is sourced from the original manufacturer or authorized distributors?
All R5F2L357CNFP#50 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 R5F2L357CNFP#50 meets industry standards.
7.What is the process for return or replacement of R5F2L357CNFP#50?
All R5F2L357CNFP#50 units undergo pre-shipment inspection (PSI). If there is an issue with R5F2L357CNFP#50, 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 R5F2L357CNFP#50 part is unused and in its original packaging.
Return procedure for R5F2L357CNFP#50:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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