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Renesas R5F2135ACNFP#10
- Part No.:
- R5F2135ACNFP#10
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 52-LQFP
- Datasheet:
-
R5F2135ACNFP#10.pdf
- Description:
- 4-8BIT GENERAL MCU
- Quantity:
- Payment:
- Shipping:
Inventory:2,305
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Product details
Overview
R5F2135ACNFP#10 from Renesas Electronics is a 16-bit R8C CPU core microcontroller with 96 KB flash program memory, 8 KB data flash (4 × 1 KB blocks with background operation), and 8 KB RAM. It operates at up to 20 MHz (VCC = 2.7–5.5 V), integrates dual 10-bit A/D converters (12 channels), dual 8-bit D/A outputs, LIN hardware module, and six timer units including complementary PWM-capable Timer RD for motor control. It targets embedded control in consumer audio and office equipment.
For engineers reviewing the R5F2135ACNFP#10 datasheet, R5F2135ACNFP#10 pinout, R5F2135ACNFP#10 application, or R5F2135ACNFP#10 equivalent, key selection criteria include its 52-pin LQFP package, -20°C to +85°C temperature grade (N version), integrated LIN transceiver support via UART0 and Timer RA, and background-programmable data flash for firmware updates without halting execution.
Technical Context
The R5F2135ACNFP#10 implements the R8C CPU core with 89 fundamental instructions, 16×16→32-bit hardware multiplier, and multiply-accumulate capability. Its memory map spans 1 Mbyte, with fixed interrupt vector table at 0FFDCh–0FFFFh and data flash mapped at 03000h–03FFFh.
Peripheral integration includes three UART/serial interfaces (UART0–2), I²C-bus/SSU shared channel, 12-channel 10-bit A/D converter with sample-and-hold and sweep mode, two 8-bit D/A converters, two comparator B inputs, and four clock sources: XIN/XOUT (up to 20 MHz), XCIN/XCOUT (32 kHz), high-speed on-chip oscillator (adjustable), and low-speed on-chip oscillator.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | R8C 16-bit core with 89 instructions, 16×16→32-bit multiplier, and MAC support - enables efficient signal processing and real-time control loops. |
| Flash Memory | 96 KB program ROM + 4 KB data flash (1 KB × 4 blocks) with background operation - allows in-field firmware updates and parameter storage without CPU interruption. |
| RAM | 8 KB on-chip RAM - sufficient for stack, variables, and intermediate buffers in mid-complexity embedded applications. |
| A/D Converter | 10-bit resolution × 12 channels with sample-and-hold and sweep mode - supports simultaneous analog sensing across multiple sensors or controls. |
| D/A Converter | 8-bit × 2 channels - provides analog output for biasing, calibration, or simple waveform generation. |
| Timers | Timer RA (8-bit), RB (8-bit), RC (16-bit, 4 compare/capture), RD (16-bit × 2, 6-PWM/complementary mode), RE (8-bit RTC) - enables motor phase control, PWM dimming, and real-time clock functions. |
| Serial Interfaces | UART0/1/2 (UART2 supports I²C-bus mode), SSU, LIN hardware module (using UART0 + Timer RA) - simplifies communication with displays, sensors, and automotive sub-nodes. |
Pinout & Package
Package: 52-pin LQFP (PLQP0052JA-A), 10 mm × 10 mm, 0.65 mm pitch, N-version (-20°C to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / AVCC | Power supply input / Analog reference supply | 1.8–5.5 V digital supply; separate AVCC pin enables noise-isolated analog subsystem operation. |
| VSS / AVSS | Ground / Analog ground | Dedicated analog ground reduces coupling noise into A/D and D/A circuits. |
| RESET | Active-low reset input | Asynchronous reset assertion clears CPU state and initializes peripherals - critical for system recovery. |
| XIN / XOUT | External crystal/resonator interface | Supports up to 20 MHz external clock source for precise timing-critical applications. |
| XCIN / XCOUT | 32 kHz crystal interface | Enables low-power real-time clock operation independent of main system clock. |
| P0_0–P0_7 | CMOS I/O port with analog functions | 8-bit port supporting AN0–AN7, DA0/DA1, TREO, and trace I/O - primary analog/data acquisition interface. |
| INT0–INT4 | External interrupt inputs | Five dedicated interrupt pins with configurable priority levels (7-level nesting) - supports responsive event-driven firmware. |
| UART0_TXD0 / RXD0 | Asynchronous serial transmit/receive | Full-duplex UART channel used for debug, host communication, or LIN physical layer signaling. |
Key Features
| Feature | Design Value |
|---|---|
| Background Operation (BGO) Data Flash | Enables concurrent CPU execution and flash reprogramming - essential for over-the-air updates and runtime parameter tuning. |
| Hardware LIN Module | Integrated LIN 2.0/2.1 support via UART0 and Timer RA - eliminates need for external LIN transceiver in cost-sensitive nodes. |
| Low-Power Operating Modes | Wait mode (3.5 µA @ 3.0 V, 32 kHz) and stop mode (2.0 µA) - extends battery life in portable or energy-constrained devices. |
| Multi-Source Clock System | Four independent clock sources (XIN, XCIN, high-speed/low-speed on-chip oscillators) with selectable dividers - ensures robust timing under varying conditions. |
| On-Chip Debug Support | Fully integrated on-chip debug circuitry - enables real-time breakpointing, register inspection, and flash programming without external JTAG emulator. |
Applications
| Audio Equipment Control | Office Equipment Motor Drive |
|---|---|
Use Scenario: Volume control, equalizer adjustment, and source switching in compact stereo receivers and soundbars. IC Role / Device Role / Timing Role: Main system controller managing user interface, audio codec interfacing, and analog signal conditioning via A/D and D/A. Use Value: Integrated 12-channel A/D and dual 8-bit D/A eliminate external converters; LIN support enables daisy-chained remote panels. |
Use Scenario: Precision speed and position control of paper feed, scanner carriage, and print head motors in multifunction printers. IC Role / Device Role / Timing Role: Real-time motion controller using Timer RD's complementary PWM and input capture for encoder feedback. Use Value: Six PWM outputs with synchronous reset and triangular/sawtooth modulation enable smooth three-phase motor commutation. |
| Consumer Appliance UI Panel | Industrial Sensor Hub |
Use Scenario: Touch-key scanning, display backlight dimming, and thermal monitoring in microwave ovens and washing machine control panels. IC Role / Device Role / Timing Role: Human-machine interface (HMI) processor handling key interrupts, PWM-driven LED dimming, and analog sensor reads. Use Value: 47 CMOS I/O ports with programmable pull-ups simplify direct button/LED interfacing; voltage detection circuit ensures brown-out resilience. |
Use Scenario: Aggregating and preprocessing analog sensor data (temperature, humidity, pressure) before transmission to a central gateway. IC Role / Device Role / Timing Role: Edge-processing node performing local A/D conversion, filtering, and buffered UART/I²C reporting. Use Value: Sweep-mode A/D with 12 channels and background data flash allow continuous logging without CPU overhead or flash wear concerns. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F21358CNFP | 64 KB program ROM, 6 KB RAM, same peripheral set and pinout | Lower memory footprint; suitable for simpler firmware with reduced feature set | Select when application code size fits within 64 KB and cost sensitivity outweighs future scalability needs. |
| R5F2135ACDFP | Identical memory and peripherals; D-version rated for -40°C to +85°C industrial temperature range | Required for extended ambient temperature environments such as factory automation or outdoor kiosks | Choose R5F2135ACDFP if operating temperature exceeds 85°C or drops below -20°C. |
Compared with R5F21358CNFP, the R5F2135ACNFP#10 offers 32 KB more program flash and 2 KB more RAM for complex algorithms or future firmware expansion; compared with R5F2135ACDFP, it trades industrial temperature tolerance for lower cost in commercial-grade applications.
Availability
R5F2135ACNFP#10 is available at Aetrix Electronics and suitable for audio equipment control, office equipment motor drive, consumer appliance UI panels, and industrial sensor hubs requiring stable component supply and long-term production continuity.
Supply support for R5F2135ACNFP#10 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, power, and SoC solutions for automotive, industrial, and IoT markets.
The R8C/35C Group, including the R5F2135ACNFP#10, was designed for cost-sensitive, low-to-mid complexity embedded control applications demanding integrated analog peripherals, LIN connectivity, and robust flash reliability in consumer and office equipment.
FAQ
What is the maximum operating frequency of the R5F2135ACNFP#10?
The R5F2135ACNFP#10 supports a maximum operating frequency of 20 MHz when powered at VCC = 2.7–5.5 V using the XIN clock source. At lower supply voltages (1.8–5.5 V), the maximum frequency is 5 MHz. The on-chip high-speed oscillator is adjustable and usable as an alternative clock source without external components.
Does the R5F2135ACNFP#10 support hardware LIN communication?
Yes, the R5F2135ACNFP#10 includes a dedicated hardware LIN module that uses UART0 and Timer RA to implement LIN 2.0/2.1 protocol. This eliminates the need for external LIN transceivers in slave-node applications and reduces BOM cost and board space.
How many A/D and D/A channels does the R5F2135ACNFP#10 provide?
The R5F2135ACNFP#10 integrates a 10-bit A/D converter with 12 input channels (AN0–AN11) and two independent 8-bit D/A converters (DA0 and DA1). Both A/D and D/A share the VREF pin for reference voltage input, enabling precise analog signal conditioning.
What package type and temperature grade does the R5F2135ACNFP#10 use?
The R5F2135ACNFP#10 is supplied in a 52-pin LQFP package (PLQP0052JA-A, 10 mm × 10 mm, 0.65 mm pitch) and is rated for the N-version operating temperature range of -20°C to +85°C - suitable for commercial and consumer-grade applications.
Can the R5F2135ACNFP#10 perform flash programming while executing code?
Yes, the R5F2135ACNFP#10 supports Background Operation (BGO) for its 4 KB data flash (1 KB × 4 blocks). This allows the CPU to continue running application code while reprogramming data flash sectors - critical for firmware updates and runtime parameter storage.
R5F2135ACNFP#10 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 52-LQFP
- Series:
- R8C/3x/35C
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- R8C
- Core Size:
- 16-Bit
- Speed:
- 20MHz
- Connectivity:
- I2C, LINbus, SIO, SSU, UART/USART
- Peripherals:
- POR, PWM, Voltage Detect, WDT
- Number of I/O:
- 47
- Program Memory Size:
- 96KB (96K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 5.5V
- Data Converters:
- A/D 12x10b; D/A 2x8b
- Oscillator Type:
- External
- Operating Temperature:
- -20°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F2135ACNFP#10 FAQ
1.How can I place an order for R5F2135ACNFP#10 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F2135ACNFP#10 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 R5F2135ACNFP#10 reliable?
The price and inventory of R5F2135ACNFP#10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F2135ACNFP#10 is usually 5 days.
3.What payment methods are accepted for R5F2135ACNFP#10?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F2135ACNFP#10 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F2135ACNFP#10?
R5F2135ACNFP#10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F2135ACNFP#10 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 R5F2135ACNFP#10?
For technical support, including R5F2135ACNFP#10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F2135ACNFP#10 requirements.
6.How does Aetrix verify that R5F2135ACNFP#10 is sourced from the original manufacturer or authorized distributors?
All R5F2135ACNFP#10 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 R5F2135ACNFP#10 meets industry standards.
7.What is the process for return or replacement of R5F2135ACNFP#10?
All R5F2135ACNFP#10 units undergo pre-shipment inspection (PSI). If there is an issue with R5F2135ACNFP#10, 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 R5F2135ACNFP#10 part is unused and in its original packaging.
Return procedure for R5F2135ACNFP#10:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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