Renesas R5F212A8SNFP#X6
- Part No.:
- R5F212A8SNFP#X6
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F212A8SNFP#X6.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 64LFQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
R5F212A8SNFP#X6 from Renesas Electronics is a 16-bit R8C/Tiny Series MCU with 64 KB flash ROM, 3 KB RAM, and 12-channel 10-bit A/D converter, designed for embedded control in consumer and industrial appliances requiring low-power operation and integrated peripherals including UART×3, I²C, LIN, and multi-mode PWM timers.
For engineers reviewing the R5F212A8SNFP#X6 datasheet, R5F212A8SNFP#X6 pinout, R5F212A8SNFP#X6 application, or R5F212A8SNFP#X6 equivalent, key selection criteria include operating temperature range (−20°C to +85°C), 64-pin LQFP package (PLQP0064KB-A), flash endurance (1,000 write/erase cycles), and hardware LIN support via UART0 and Timer RA.
Technical Context
The R5F212A8SNFP#X6 implements the R8C/Tiny CPU core with 89 fundamental instructions and a 16×16→32-bit hardware multiplier, enabling efficient signal processing and real-time control. It supports single-chip mode with 1 Mbyte address space and executes instructions in as little as 50 ns at 20 MHz.
Its peripheral set includes Timer RD (16-bit ×2, 6-pin PWM, three-phase waveform generation), Timer RC (16-bit, 4 capture/compare registers), and dual 8-bit D/A converters - all synchronized to a flexible clock system with XIN, XCIN (32 kHz), and adjustable high-speed on-chip oscillator.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | R8C/Tiny series: 89 instructions, 16×16→32-bit multiplier, 1 Mbyte address space |
| Memory | 64 KB flash ROM, 3 KB RAM - sufficient for mid-complexity appliance firmware with data logging |
| A/D Converter | 10-bit resolution × 12 channels with sample-and-hold - supports analog sensor interfacing without external circuitry |
| Timers | Timer RD (16-bit ×2, 6-pin PWM, complementary/sawtooth/triangular modulation) enables motor control |
| Serial Interfaces | UART×3, I²C (shared with SSU), hardware LIN (UART0 + Timer RA) - simplifies automotive body electronics integration |
| Power Modes | Wait mode (2.1 µA @ 3 V, 32 kHz XCIN), stop mode (0.65 µA) - extends battery life in standby applications |
| Operating Range | −20°C to +85°C, VCC = 2.2–5.5 V - suitable for commercial-grade home and office equipment |
Pinout & Package
Package: 64-pin LQFP (PLQP0064KB-A), 0.5 mm pitch, 10 mm × 10 mm body - compatible with standard surface-mount assembly and reflow profiles.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0_0–P0_7 | Analog input / D/A output | AN0–AN7 and DA0/DA1 pins - enable direct connection to sensors and analog actuators |
| P1_0–P1_7 | General I/O / Keypad input / UART | KI0–KI3, RXD0/TXD0, INT1 - supports matrix keypad scanning and serial host communication |
| P2_0–P2_7 | Timer RD I/O / Three-phase PWM | TRDIOA0–TRDIOD1 - dedicated pins for 6-pin complementary PWM output in motor drive applications |
| P3_0–P3_7 | Timer A/B/O, I²C, SSU | TRAO/TRBO, SCL/SDA, SSO/SSCK - integrates timing, bus communication, and synchronous serial control |
| P4_3–P4_7 | Clock inputs / Reset | XCIN/XCOUT (32 kHz RTC), XIN/XOUT (main crystal), RESET - provides robust clocking and reliable startup |
Key Features
| Feature | Design Value |
|---|---|
| Hardware LIN Module | Integrated LIN 2.0 support via UART0 + Timer RA - eliminates external transceiver for basic automotive sub-node control |
| Real-Time Clock (Timer RE) | 8-bit timer with calendar function (seconds/minutes/hours/days of week) - enables time-stamped event logging without external RTC |
| Multi-Mode PWM Timers | Timer RD supports reset-synchronous, complementary, and PWM2/PWM3 modes - delivers precise three-phase motor commutation |
| Low-Voltage Operation | Operates down to 2.2 V at 5 MHz - maintains functionality in brown-out conditions common in battery-powered systems |
| On-Chip Debug | Fully supported via single-wire interface - enables in-system programming and real-time debugging without JTAG header |
Applications
| Home Appliance Control | Office Equipment Motor Drive |
|---|---|
|
Use Scenario: Microcontroller unit in washing machine main board managing water valve, pump, heater, and display. IC Role / Device Role / Timing Role: Central controller executing state-machine logic, reading temperature/level sensors, and generating PWM for brushless drum motor. Use Value: Integrated 6-pin complementary PWM (Timer RD) directly drives 3-phase inverter; 12-channel A/D reads thermistors and pressure sensors without external mux. |
Use Scenario: Embedded controller in multifunction printer managing paper feed, scanner illumination, and toner dispensing. IC Role / Device Role / Timing Role: Real-time motion sequencer coordinating stepper motors and solenoids using Timer RB one-shot and Timer RC capture functions. Use Value: Hardware LIN interface communicates with power supply module; 3 KB RAM buffers image scan data before USB transfer. |
| Audio System Front Panel | Industrial Sensor Hub |
|
Use Scenario: User interface processor in AV receiver handling IR remote decoding, button press detection, and LED display updates. IC Role / Device Role / Timing Role: Peripheral coordinator managing UART for system bus, I²C for EEPROM, and keypad scan via KI0–KI3 inputs. Use Value: 55 CMOS I/O ports with selectable pull-up resistors eliminate external bias components; low-power wait mode reduces idle consumption to 2.1 µA. |
Use Scenario: Data acquisition node in factory automation collecting temperature, humidity, and vibration readings for edge preprocessing. IC Role / Device Role / Timing Role: Sensor fusion engine running calibration algorithms and transmitting aggregated data via UART2 to gateway. Use Value: On-chip 10-bit A/D with sample-and-hold handles multiplexed analog inputs; flash security (ROM code protect + ID check) prevents firmware tampering. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F212A7SNFP | 48 KB flash, 2.5 KB RAM - 16 KB less program memory, identical peripherals and package | Suitable for simpler firmware with smaller code footprint; no change in I/O or timing capability | Select when application firmware fits within 48 KB and cost optimization is prioritized over future scalability |
| R5F212B8SNFP | Includes 1 KB ×2 on-chip data flash (10,000-cycle endurance) - absent in R5F212A8SNFP#X6 | Required for applications needing frequent nonvolatile parameter storage (e.g., calibration tables, usage logs) | Choose only if data flash persistence exceeds EEPROM or external SPI flash requirements; otherwise R5F212A8SNFP#X6 offers better cost/performance balance |
Compared with R5F212A7SNFP, R5F212A8SNFP#X6 provides 16 KB additional flash for feature-rich firmware; compared with R5F212B8SNFP, it omits data flash but retains identical program execution capability and lower cost for fixed-parameter systems.
Availability
R5F212A8SNFP#X6 is available at Aetrix Electronics and suitable for home appliance control, office equipment motor drive, and industrial sensor hub applications requiring stable component supply across long-lifecycle production programs.
Supply support for R5F212A8SNFP#X6 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 consumer markets.
The R8C/2A Group, including R5F212A8SNFP#X6, was engineered for cost-sensitive, low-power embedded control in commercial appliances and office equipment - emphasizing integration, noise immunity, and ease of debug.
FAQ
What is the maximum operating frequency and voltage range for R5F212A8SNFP#X6?
R5F212A8SNFP#X6 operates up to 20 MHz at VCC = 3.0–5.5 V, 10 MHz at 2.7–5.5 V, and 5 MHz at 2.2–5.5 V. Its minimum instruction execution time is 50 ns under full-spec conditions. This graded frequency/voltage scaling allows design flexibility across battery-powered and line-powered systems while maintaining deterministic timing behavior in R5F212A8SNFP#X6-based products.
Does R5F212A8SNFP#X6 support hardware LIN communication?
Yes, R5F212A8SNFP#X6 includes a dedicated hardware LIN module implemented using UART0 and Timer RA, supporting LIN 2.0 physical layer signaling and protocol timing. This eliminates software bit-banging overhead and ensures reliable frame transmission/reception in automotive body electronics and industrial sub-nodes where R5F212A8SNFP#X6 serves as a slave controller.
What package type and pin count does R5F212A8SNFP#X6 use?
R5F212A8SNFP#X6 uses a 64-pin LQFP package with code PLQP0064KB-A (0.5 mm pitch, 10 mm × 10 mm body). This package is pin-compatible with other R8C/2A Group members like R5F212A7SNFP and R5F212AASNFP, enabling scalable design reuse. The pinout is fully documented in Figures 1.4 and Table 1.7 of the R8C/2A Group datasheet for R5F212A8SNFP#X6.
How much A/D and D/A conversion capability does R5F212A8SNFP#X6 provide?
R5F212A8SNFP#X6 integrates a 10-bit A/D converter with 12 input channels (AN0–AN11) and two independent 8-bit D/A converters (DA0, DA1). The A/D includes sample-and-hold for accurate multi-channel acquisition, while the D/A outputs support analog feedback loops or reference generation - all without external converters in R5F212A8SNFP#X6-based control systems.
Is on-chip debug supported for R5F212A8SNFP#X6, and what interface is used?
Yes, R5F212A8SNFP#X6 supports full on-chip debug via a single-wire interface compliant with Renesas' FINE protocol. This enables non-intrusive breakpoint setting, register inspection, and flash programming without requiring a dedicated JTAG header or additional pins - streamlining development and field firmware updates for R5F212A8SNFP#X6 deployments.
R5F212A8SNFP#X6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- R8C/2x/2A
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- 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:
- 55
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 3K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.2V ~ 5.5V
- Data Converters:
- A/D 12x10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -20°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F212A8SNFP#X6 FAQ
1.How can I place an order for R5F212A8SNFP#X6 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F212A8SNFP#X6 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 R5F212A8SNFP#X6 reliable?
The price and inventory of R5F212A8SNFP#X6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F212A8SNFP#X6 is usually 5 days.
3.What payment methods are accepted for R5F212A8SNFP#X6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F212A8SNFP#X6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F212A8SNFP#X6?
R5F212A8SNFP#X6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F212A8SNFP#X6 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 R5F212A8SNFP#X6?
For technical support, including R5F212A8SNFP#X6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F212A8SNFP#X6 requirements.
6.How does Aetrix verify that R5F212A8SNFP#X6 is sourced from the original manufacturer or authorized distributors?
All R5F212A8SNFP#X6 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 R5F212A8SNFP#X6 meets industry standards.
7.What is the process for return or replacement of R5F212A8SNFP#X6?
All R5F212A8SNFP#X6 units undergo pre-shipment inspection (PSI). If there is an issue with R5F212A8SNFP#X6, 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 R5F212A8SNFP#X6 part is unused and in its original packaging.
Return procedure for R5F212A8SNFP#X6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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