Renesas R5F1214AGNA#00
- Part No.:
- R5F1214AGNA#00
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 16-WFQFN Exposed Pad
- Datasheet:
-
R5F1214AGNA#00.pdf
- Description:
- 16BIT MCU RL78/G16 16K 16HWQFN -
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
R5F1214AGNA#00 from Renesas Electronics is a 16-pin HWQFN-packaged RL78/G16 16-bit microcontroller with 16 KB flash, 2 KB RAM, and industrial-grade −40°C to +105°C operation. It integrates capacitive touch sensing (15-channel CTSU), 10-bit A/D converter (up to 11 channels), real-time clock with calendar, and low-power STOP/HALT modes - deployed in smart appliance control panels requiring robust HMI and sensor interfacing.
For engineers reviewing the R5F1214AGNA#00 datasheet, R5F1214AGNA#00 pinout, R5F1214AGNA#00 application, or R5F1214AGNA#00 equivalent, key selection criteria include its 16-pin HWQFN (3 × 3 mm) footprint, 16 KB code flash with 1 KB data flash, integrated RTC and CTSU, and support for UART/SPI/I²C interfaces across multiple peripheral arrays.
Technical Context
The R5F1214AGNA#00 implements the RL78 CPU core with a 3-stage pipeline CISC architecture, supporting configurable instruction execution times from 0.0625 μs (@16 MHz high-speed on-chip oscillator) to 30.5 μs (@32.768 kHz subsystem clock). Its memory subsystem includes 16 KB code flash (1 KB block size), 1 KB data flash (512 B blocks, 1M rewrite cycles), and 2 KB on-chip RAM.
Peripheral integration includes eight 16-bit timers, one 12-bit interval timer, watchdog timer, RTC2 with 99-year calendar and alarm, 10-bit A/D converter with internal reference (0.815 V), two comparators, and a dedicated 15-channel capacitive touch sensing unit (CTSU) supporting both self- and mutual-capacitance configurations.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline |
| Flash Memory | 16 KB code flash; enables firmware storage without external memory |
| Data Flash | 1 KB; supports 1,000,000 rewrites at VDD = 2.4–5.5 V for parameter logging |
| RAM | 2 KB on-chip SRAM; sufficient for real-time control stacks and touch algorithm buffers |
| Operating Voltage | 2.4 V to 5.5 V single supply; compatible with standard industrial 3.3 V and 5 V rails |
| Temperature Range | −40°C to +105°C (G-grade); qualified for industrial motor drives and HVAC controllers |
| Package | 16-pin HWQFN (3 × 3 mm, 0.5 mm pitch); exposes die pad for thermal management |
Pinout & Package
16-pin HWQFN (3 × 3 mm, 0.5 mm pitch) with exposed die pad soldered to non-electrical PCB copper for thermal dissipation. Pin functions validated per Renesas R01DS0431EJ0130 datasheet Section 1.3.2 (HWQFN top view).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P125 | RESET/INTP1 | Active-low reset input with interrupt capability; primary system initialization trigger |
| P137 | INTP0/TI00 | External interrupt 0 input and Timer I/O channel 0; used for wake-up or event capture |
| P122 | X2/XT2/EXCLK | Crystal oscillator input (for 1–20 MHz crystals) or external clock source |
| P121 | X1/XT1 | Crystal oscillator input; paired with P122 for precision timing reference |
| VSS | Ground | Primary analog/digital ground reference; connects to PCB ground plane |
| VDD | Power Supply | Single 2.4–5.5 V supply; powers all digital and analog circuitry |
| P00 | TOOLTxD/INTP6 | UART transmit output and interrupt 6 input; used for debug communication or host interface |
| P01 | TOOLRxD/ANI0 | UART receive input and analog input 0; supports serial command parsing and sensor voltage sampling |
| P02 | PCLBUZ0/ANI1/VCOUT0/TSCAP | Programmable buzzer output, analog input 1, voltage comparator output, and touch sense capacitor terminal |
| P03 | ANI2/IVCMP0/INTP4/TS03 | Analog input 2, comparator input 0, interrupt 4, and touch sense channel 3 |
| P04 | ANI3/IVREF0/INTP3/TS04 | Analog input 3, internal reference voltage source, interrupt 3, and touch sense channel 4 |
| P05 | ANI4/IVCMP1/INTP6/TS05 | Analog input 4, comparator input 1, interrupt 6 (shared), and touch sense channel 5 |
| P06 | ANI5/IVREF1/TS06 | Analog input 5, second internal reference, and touch sense channel 6 |
| P07 | ANI6/VCOUT1/TS07 | Analog input 6, second comparator output, and touch sense channel 7 |
| P40 | TOOL0/INTP2 | On-chip debugger interface pin and interrupt 2 input; enables programming and debug access |
| P41 | RTC1HZ/TS13 | Real-time clock 1 Hz output and touch sense channel 13; provides timekeeping signal and HMI channel |
Key Features
| Feature | Design Value |
|---|---|
| Capacitive Touch Sensing Unit (CTSU) | 15-channel hardware-accelerated touch engine supporting self- and mutual-capacitance modes; eliminates need for external touch controller ICs |
| Low-Power Operation Modes | HALT mode (61 µA/MHz typical) and STOP mode enable battery-powered operation in remote sensors and portable controls |
| Integrated Real-Time Clock (RTC2) | 99-year calendar with alarm and clock correction; supports time-stamped logging and scheduled wake-up without external RTC |
| Flexible Serial Interfaces | Up to 3 CSI (SPI-compatible), 3 UART, and 3 simplified I²C channels via peripheral I/O redirection; simplifies multi-sensor connectivity |
| On-Chip Debug Function | Fully integrated on-chip debug with no external JTAG adapter required; accelerates firmware development and field updates |
| High-Speed On-Chip Oscillator | Factory-trimmed 16 MHz oscillator with ±1.0% accuracy (−20°C to +85°C); eliminates external crystal for cost-sensitive applications |
Applications
| Home Appliance Control Panel | Industrial Motor Drive Interface |
|---|---|
Use Scenario: Touch-enabled front panel for washing machines, microwaves, or dishwashers with LED feedback and button press detection. IC Role / Device Role / Timing Role: Primary MCU executing touch scan, UI state machine, and serial communication with main controller. Use Value: Integrated CTSU reduces BOM count by eliminating external touch IC; RTC2 enables delayed start and cycle timing without external timing components. | Use Scenario: Local control interface for variable-frequency drives monitoring temperature, current, and fault status. IC Role / Device Role / Timing Role: Sensor aggregator and HMI processor interfacing with analog temperature sensors, digital encoders, and display modules. Use Value: 10-bit A/D converter with internal reference supports accurate thermistor readings; −40°C to +105°C rating ensures reliability in enclosed drive cabinets. |
| Smart Thermostat Node | Medical Patient Monitor Frontend |
Use Scenario: Battery-operated wall-mounted thermostat with ambient temperature/humidity sensing and capacitive buttons. IC Role / Device Role / Timing Role: Low-power system controller managing sensor reads, touch events, and wireless module wake-up scheduling. Use Value: HALT/STOP modes extend battery life; integrated RTC2 maintains accurate time during deep sleep for scheduled sensor polling. | Use Scenario: Front-panel interface for bedside monitors requiring ESD-robust touch keys and clinical-grade reliability. IC Role / Device Role / Timing Role: Dedicated HMI processor handling touch input, LED/audio alerts, and isolated serial communication with main processing unit. Use Value: CTSU's noise immunity and built-in calibration reduce susceptibility to EMI in hospital environments; G-grade temp range meets medical equipment environmental specs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F1214CGNA#00 | Same package and pinout; 32 KB code flash instead of 16 KB; identical peripherals and temp grade | Suitable where future firmware expansion or bootloader + application separation is required | Select when additional flash headroom is needed without changing PCB layout |
| R5F1214AMNA#00 | Same 16 KB flash and 16-pin HWQFN; rated for −40°C to +125°C (M-grade) instead of +105°C (G-grade) | Targeted at under-hood automotive or high-temp industrial enclosures exceeding 105°C ambient | Choose only if full M-grade thermal qualification is mandatory; otherwise G-grade suffices for most industrial use cases |
Compared with R5F1214CGNA#00 and R5F1214AMNA#00, the R5F1214AGNA#00 offers optimal balance of flash capacity, industrial temperature compliance, and cost for mid-complexity HMI applications - avoiding over-specification while ensuring long-term supply stability in G-grade volume production.
Availability
R5F1214AGNA#00 is available at Aetrix Electronics and suitable for home appliance control panels, industrial motor drive interfaces, and smart thermostat nodes requiring stable component supply across extended product lifecycles.
Supply support for R5F1214AGNA#00 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, power, and SoC solutions for automotive, industrial, and IoT markets.
The RL78/G16 group delivers ultra-low-power 16-bit MCUs optimized for cost-sensitive, space-constrained HMI and sensor-control applications - emphasizing integrated touch, RTC, and flexible serial interfaces without external support components.
FAQ
What is the operating temperature range specified for the R5F1214AGNA#00?
The R5F1214AGNA#00 is rated for industrial operation from −40°C to +105°C (G-grade), as confirmed in the Renesas R01DS0431EJ0130 datasheet Section 1.1. This specification applies to the full functional operation of the MCU including CTSU, A/D converter, RTC2, and all serial interfaces under VDD = 2.4–5.5 V conditions.
Does the R5F1214AGNA#00 support in-circuit debugging without external hardware?
Yes, the R5F1214AGNA#00 includes an on-chip debug function accessible via the TOOL0 (P40) and TOOLRxD/TOOLTxD (P01/P00) pins. No external JTAG emulator is required - standard Renesas E2 or E2 Lite debuggers connect directly using this interface, enabling full flash programming and real-time breakpoint debugging.
How many capacitive touch channels does the R5F1214AGNA#00 support, and what configuration options are available?
The R5F1214AGNA#00 integrates a dedicated Capacitive Touch Sensing Unit (CTSU) supporting up to 15 channels. It operates in self-capacitance mode (1 key per pin, up to 15 keys) or mutual-capacitance mode (matrix configuration using selected transmit/receive pins, up to 16 keys), as documented in Section 1.1 of the R01DS0431EJ0130 datasheet.
What is the maximum resolution and channel count of the A/D converter in the R5F1214AGNA#00?
The R5F1214AGNA#00 features an 8/10-bit resolution A/D converter with up to 11 analog input channels (ANI0–ANI10), selectable via software configuration. Input voltage range is tied to VDD (2.4–5.5 V), and internal reference voltage (0.815 V TYP.) is available for ratiometric measurements - all verified in the "A/D converter" subsection of Section 1.1.
Is the R5F1214AGNA#00 pin-compatible with other RL78/G16 variants in the same package?
Yes, the R5F1214AGNA#00 shares identical pinout and electrical characteristics with all other 16-pin HWQFN RL78/G16 devices (e.g., R5F1214CGNA#00, R5F1214AMNA#00), as defined in Table 1-3 and Figure 1-1 of the R01DS0431EJ0130 datasheet. Peripheral function mapping is consistent; only flash size and temperature grade differ between these variants.
R5F1214AGNA#00 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 16-WFQFN Exposed Pad
- Series:
- RL78/G16
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- RL78
- Core Size:
- 16-Bit
- Speed:
- 16MHz
- Connectivity:
- CSI, I2C, SPI, UART/USART
- Peripherals:
- Capacitive Touch, POR, PWM, Voltage Detect, WDT
- Number of I/O:
- 13
- Program Memory Size:
- 16KB (16K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 1K x 8
- RAM Size:
- 2K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.4V ~ 5.5V
- Data Converters:
- A/D 7x8/10b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F1214AGNA#00 FAQ
1.How can I place an order for R5F1214AGNA#00 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F1214AGNA#00 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 R5F1214AGNA#00 reliable?
The price and inventory of R5F1214AGNA#00 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F1214AGNA#00 is usually 5 days.
3.What payment methods are accepted for R5F1214AGNA#00?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F1214AGNA#00 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F1214AGNA#00?
R5F1214AGNA#00 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F1214AGNA#00 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 R5F1214AGNA#00?
For technical support, including R5F1214AGNA#00 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F1214AGNA#00 requirements.
6.How does Aetrix verify that R5F1214AGNA#00 is sourced from the original manufacturer or authorized distributors?
All R5F1214AGNA#00 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 R5F1214AGNA#00 meets industry standards.
7.What is the process for return or replacement of R5F1214AGNA#00?
All R5F1214AGNA#00 units undergo pre-shipment inspection (PSI). If there is an issue with R5F1214AGNA#00, 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 R5F1214AGNA#00 part is unused and in its original packaging.
Return procedure for R5F1214AGNA#00:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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