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Renesas R5F212G5SNFP#U0
- Part No.:
- R5F212G5SNFP#U0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 32-LQFP
- Datasheet:
-
R5F212G5SNFP#U0.pdf
- Description:
- IC MCU 16BIT 24KB FLASH 32LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,479
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Product details
Overview
R5F212G5SNFP from Renesas Electronics is a 16-bit R8C/Tiny Series microcontroller with 24 KB Flash ROM, 1 KB RAM, and integrated peripherals including UART0/UART2, LIN module, four timers (RA/RB/RE/RF), voltage detection, and comparator circuits. It operates at up to 8 MHz (2.7–5.5 V) or 4 MHz (2.2–5.5 V), supports wait/stop low-power modes, and targets embedded control in electric power meters and consumer appliances.
For engineers reviewing the R5F212G5SNFP datasheet, R5F212G5SNFP pinout, R5F212G5SNFP application, or R5F212G5SNFP equivalent, key selection criteria include its 32-pin LQFP package, -20°C to +85°C temperature grade (N version), on-chip high-speed oscillator with frequency adjustment, 16×16-bit hardware multiplier, and LIN-compliant serial interface for automotive body electronics and smart metering systems.
Technical Context
The R5F212G5SNFP implements the R8C/Tiny CPU core with 89 fundamental instructions, 1 Mbyte address space, and register bank architecture supporting dual 16-bit data registers (R0–R3) and 32-bit extensions (R2R0, A1A0). Its interrupt system provides 5 external sources, 17 internal sources, and 4 software interrupts across 7 priority levels.
Peripheral integration includes Timer RF with capture/compare functionality, UART0 and UART2 supporting clock-synchronous serial I/O and LIN protocol, two analog comparators with external reference input, and a programmable voltage detection circuit with three independent thresholds. The device uses an anti-noise design and supports EMI-resistant operation in industrial environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | R8C/Tiny 16-bit core with 89 instructions and 16×16→32-bit hardware multiplier |
| Flash ROM / RAM | 24 KB program memory and 1 KB SRAM for firmware storage and runtime variables |
| Operating Voltage | 2.2–5.5 V supply range enabling direct interface with 3.3 V and 5 V logic systems |
| Max System Clock | 8 MHz at 2.7–5.5 V or 4 MHz at 2.2–5.5 V - defines real-time response limits for control loops |
| Low-Power Modes | Wait mode (23 µA @ 3 V) and stop mode (0.7 µA @ 3 V) for battery-powered metering applications |
| Temperature Grade | N version rated for -20°C to +85°C ambient - suitable for indoor consumer and industrial equipment |
| Package | 32-pin LQFP (PLQP0032GB-A) with 0.8 mm pitch - compatible with standard surface-mount assembly |
Pinout & Package
Package: 32-pin LQFP (PLQP0032GB-A), 7 mm × 7 mm, 0.8 mm pitch, exposed pad not present.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply pins | Single 2.2–5.5 V supply rail; VSS is system ground reference for all digital and analog functions |
| RESET | Active-low reset input | Hardware reset assertion halts CPU and initializes SFRs - requires external pull-up for reliable startup |
| XCIN / XCOUT | Crystal oscillator interface | Supports 32 kHz crystal for RTC or external clock input; enables precise timekeeping without external components |
| P1_4 / P1_5 | UART0 TXD0 / RXD0 | Dedicated full-duplex serial interface for host communication or firmware updates via standard UART protocol |
| P6_3 / P6_4 | UART2 TXD2 / RXD2 | Second UART channel usable for LIN physical layer implementation or isolated peripheral bridging |
| P1_0 / P1_1 | VCMP1 / VCMP2 | Analog comparator inputs accepting external sensor signals - used for overvoltage detection or threshold monitoring |
| P3_0 / P3_1 | TRAO / TRBO | Timer RA and RB output pins - generate PWM waveforms for motor control or LED dimming without CPU overhead |
Key Features
| Feature | Design Value |
|---|---|
| On-chip debug support | Enables real-time firmware debugging and flash reprogramming without external JTAG emulator |
| Hardware LIN module | Integrates timer RA and UART0 to implement LIN 2.0 slave node - reduces BOM count for automotive body control |
| Voltage detection circuit | Three independent thresholds (VDD monitor, VDD/2, VDD/4) enable robust brown-out protection and supply supervision |
| Programmable pull-up resistors | Software-selectable weak pull-ups on 27 CMOS I/O ports eliminate external bias components for key scan or bus termination |
| Real-time clock (Timer RE) | 8-bit counter with calendar mode (seconds/minutes/hours/days) - supports time-stamped logging in energy meters |
Applications
| Electric Power Metering | Smart Home Appliance Control |
|---|---|
Use Scenario: Residential electricity meter with pulse output, tamper detection, and RS-485 communication. IC Role / Device Role / Timing Role: Main system controller executing metrology algorithms, managing LCD display, and handling LIN/UART-based data reporting. Use Value: Integrated voltage detection and comparator enable accurate supply monitoring and fault logging without external supervisors. |
Use Scenario: Washing machine control board requiring motor timing, water level sensing, and user interface management. IC Role / Device Role / Timing Role: Central MCU coordinating PWM-driven motor drivers, ADC-based sensor reads, and key input scanning. Use Value: Hardware multiplier accelerates PID loop calculations; low-power stop mode extends standby battery life in connected models. |
| Office Equipment Automation | Audio Equipment Interface |
Use Scenario: Multi-function printer with paper jam detection, toner level monitoring, and USB-to-serial bridge. IC Role / Device Role / Timing Role: Peripheral manager interfacing sensors, driving stepper motors, and translating USB commands to UART packets. Use Value: Dual UART channels allow simultaneous host communication and internal subsystem control - no external UART bridge required. |
Use Scenario: Digital audio mixer with rotary encoder inputs, LED bar graph display, and volume control via I²C DAC. IC Role / Device Role / Timing Role: Input processor decoding encoder pulses, generating PWM for LED brightness, and managing serial DAC configuration. Use Value: Key input interrupt (KI0–KI3) supports debounced mechanical switch reading with zero CPU polling overhead. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F212G6SNFP | 32 KB Flash, same RAM, identical package and peripheral set | Higher firmware capacity for feature-rich metering or OTA update support | Select when future firmware expansion or bootloader partitioning is required |
| R5F212G5SDFP | Same Flash/RAM, but D version (-40°C to +85°C operating range) | Required for outdoor or automotive under-hood deployment where extended temperature tolerance is mandatory | Choose only if N-version temperature range is insufficient for target environment |
Compared with R5F212G5SNFP, R5F212G6SNFP offers +8 KB Flash for larger application code or safety-certified stacks, while R5F212G5SDFP trades temperature margin for identical functionality - neither is pin-compatible with other R8C families, and both require PCB layout verification for thermal pad or decoupling changes.
Availability
R5F212G5SNFP is available at Aetrix Electronics and suitable for electric power metering, smart appliance control, and office automation systems requiring stable component supply and long-term production continuity.
Supply support for R5F212G5SNFP 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 formed in 2010 through the merger of NEC Electronics and Renesas Technology, specializing in microcontrollers, analog, and power solutions.
The R8C/2G Group belongs to Renesas' legacy R8C/Tiny MCU family, designed for cost-sensitive, low-power embedded control in consumer, industrial, and metering applications where Flash programmability and integrated peripherals reduce system complexity.
FAQ
What is the maximum operating frequency of the R5F212G5SNFP?
The R5F212G5SNFP supports a maximum system clock of 8 MHz when powered at 2.7–5.5 V, and 4 MHz at 2.2–5.5 V. This frequency determines instruction throughput and real-time peripheral response - for example, the 8 MHz mode enables 125 ns minimum instruction execution time, critical for tight control loops in motor drive applications using the R5F212G5SNFP.
Does the R5F212G5SNFP include hardware debug capability?
Yes, the R5F212G5SNFP integrates on-chip debug functionality supporting breakpoints, single-stepping, and flash memory programming via dedicated debug interface pins. This eliminates the need for external emulators during development and allows field firmware updates - a key advantage for deployed R5F212G5SNFP-based metering devices requiring post-deployment patches.
What package type is used for the R5F212G5SNFP?
The R5F212G5SNFP uses a 32-pin LQFP package designated PLQP0032GB-A (formerly 32P6U-A), measuring 7 mm × 7 mm with 0.8 mm lead pitch. This RoHS-compliant package supports standard reflow soldering and provides adequate thermal dissipation for continuous operation at 5 V and 8 MHz - verified in Renesas' thermal characterization of the R5F212G5SNFP.
How does the LIN functionality work on the R5F212G5SNFP?
The R5F212G5SNFP implements LIN 2.0 slave node capability by combining UART0 with Timer RA to generate accurate baud rates and handle LIN header/checksum processing in hardware. This offloads protocol handling from the CPU, enabling reliable communication in automotive body control modules - confirmed in the R5F212G5SNFP's functional specification for LIN Module (Section 1.1.2).
What is the operating temperature range for the R5F212G5SNFP?
The R5F212G5SNFP is an N-version device rated for -20°C to +85°C ambient operating temperature. This range aligns with Renesas' "Standard" quality grade, making it appropriate for indoor consumer electronics, office equipment, and residential energy meters - but not for under-hood automotive or outdoor utility installations where the D-version (R5F212G5SDFP) would be required instead of the R5F212G5SNFP.
R5F212G5SNFP#U0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 32-LQFP
- Series:
- R8C/2x/2G
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- R8C
- Core Size:
- 16-Bit
- Speed:
- 8MHz
- Connectivity:
- LINbus, SIO, UART/USART
- Peripherals:
- POR, PWM, Voltage Detect, WDT
- Number of I/O:
- 27
- Program Memory Size:
- 24KB (24K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.2V ~ 5.5V
- Data Converters:
- -
- Oscillator Type:
- Internal
- Operating Temperature:
- -20°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F212G5SNFP#U0 FAQ
1.How can I place an order for R5F212G5SNFP#U0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F212G5SNFP#U0 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 R5F212G5SNFP#U0 reliable?
The price and inventory of R5F212G5SNFP#U0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F212G5SNFP#U0 is usually 5 days.
3.What payment methods are accepted for R5F212G5SNFP#U0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F212G5SNFP#U0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F212G5SNFP#U0?
R5F212G5SNFP#U0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F212G5SNFP#U0 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 R5F212G5SNFP#U0?
For technical support, including R5F212G5SNFP#U0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F212G5SNFP#U0 requirements.
6.How does Aetrix verify that R5F212G5SNFP#U0 is sourced from the original manufacturer or authorized distributors?
All R5F212G5SNFP#U0 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 R5F212G5SNFP#U0 meets industry standards.
7.What is the process for return or replacement of R5F212G5SNFP#U0?
All R5F212G5SNFP#U0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F212G5SNFP#U0, 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 R5F212G5SNFP#U0 part is unused and in its original packaging.
Return procedure for R5F212G5SNFP#U0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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