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Renesas R5F1217CMNA#40
- Part No.:
- R5F1217CMNA#40
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 24-WFQFN Exposed Pad
- Datasheet:
-
R5F1217CMNA#40.pdf
- Description:
- 16BIT MCU RL78/G16 32K 24HWQFN -
- Quantity:
- Payment:
- Shipping:
Inventory:2,525
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Product details
Overview
R5F1217CMNA#40 from Renesas Electronics is a 24-pin, 32 KB flash, 2 KB RAM RL78/G16 16-bit microcontroller with industrial-grade temperature range (−40°C to +125°C), integrated capacitive touch sensing unit (15-channel CTSU), and dual 10-bit A/D converter (11-channel analog input). It operates from 2.4–5.5 V and supports ultra-low-power STOP/HALT modes for battery-powered industrial HMI and sensor interface applications.
For engineers reviewing the R5F1217CMNA#40 datasheet, R5F1217CMNA#40 pinout, R5F1217CMNA#40 application, or R5F1217CMNA#40 equivalent, this page delivers verified electrical specs, validated HWQFN-24 pin mapping, real-world use cases in industrial control panels and smart sensors, and two confirmed alternative parts with documented functional and packaging differences.
Technical Context
The R5F1217CMNA#40 implements the RL78 CPU core with a 3-stage pipeline CISC architecture, supporting 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 32 KB code flash (1 KB block size), 1 KB data flash (512 B block, 1M rewrite cycles), and 2 KB on-chip RAM.
Peripheral integration includes eight 16-bit timers, one 12-bit interval timer, watchdog timer, RTC with 99-year calendar, up to three simplified SPI/UART/I²C channels, one full I²C interface, 15-channel capacitive touch sensing unit (CTSU), and dual 10-bit A/D converters with internal reference voltage (0.815 V) and temperature sensor support.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline; enables deterministic real-time control at ultra-low power. |
| Flash Memory | 32 KB code flash (1 KB erase blocks); sufficient for complex firmware with bootloader and field updates. |
| Data Flash | 1 KB data flash (512 B blocks, 1,000,000 rewrites); retains calibration data and user settings across power cycles. |
| Operating Voltage | 2.4–5.5 V single supply; compatible with Li-ion, 3.3 V, and 5 V industrial rails without level-shifting. |
| Temperature Range | −40°C to +125°C (M-grade); qualified for under-hood automotive, motor drives, and industrial enclosures. |
| Capacitive Touch | 15-channel CTSU supporting self- and mutual-capacitance modes; enables robust button/slider interfaces without external components. |
| A/D Converter | 10-bit resolution, 11-channel input, internal 0.815 V reference; eliminates need for external voltage references in sensor signal chains. |
Pinout & Package
Package: 24-pin HWQFN (4.0 × 4.0 mm, 0.5-mm pitch) with exposed die pad - requires thermal pad soldering to PCB ground plane for thermal management and EMI reduction.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00 | TOOLTxD / SO00 / TxD0 | Primary UART transmit pin; also serves as serial output for debug and peripheral communication. |
| P01 | TOOLRxD / ANI0 / SI00 / RxD0 | Primary UART receive with analog input capability; enables simultaneous debugging and sensor monitoring. |
| P02 | PCLBUZ0 / ANI1 / VCOUT0 / TSCAP | Capacitive touch sense channel 0; integrates analog front-end and charge-transfer timing for low-noise touch detection. |
| P125 | RESET / INTP1 | Active-low reset input with interrupt capability; supports both hardware reset and software-triggered recovery. |
| VDD | Power Supply | Single 2.4–5.5 V supply rail; powers all digital and analog circuitry including CTSU and A/D converter. |
| VSS | Ground | Digital and analog common reference; must be connected to low-impedance ground plane beneath exposed pad. |
| P41 | RTC1HZ / TS13 / TI03 / TO03 | Real-time clock 1 Hz output with touch sense channel 13 and timer I/O; enables time-stamped HMI events and low-power wake-up. |
| P20 | ANI10 / TS11 / SI20 / RxD2 | 10th analog input with touch sense and secondary UART receive; expands sensor count without external multiplexers. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power STOP mode | Enables sub-μA system sleep current; extends battery life in portable industrial monitors and wireless sensors. |
| On-chip high-speed oscillator | 16 MHz ±1.5% accuracy over −40°C to +125°C; eliminates external crystal cost and board space for non-precision timing. |
| Capacitive touch sensing unit (CTSU) | 15-channel hardware-accelerated touch engine with noise immunity; reduces firmware overhead and improves response consistency. |
| Self-programmable flash | Supports in-application programming without boot swap; enables secure firmware updates and field calibration storage. |
| Integrated RTC with calendar | 99-year calendar, alarm, and clock correction; provides accurate timekeeping for data logging and scheduled operations. |
| Multiple serial interfaces | Up to three simplified SPI/UART/I²C channels plus one full I²C; simplifies connectivity to displays, sensors, and host controllers. |
Applications
| Industrial Control Panel | Smart Sensor Node |
|---|---|
|
Use Scenario: Front-panel HMI for PLCs and motor drives with push buttons, sliders, and status LEDs. IC Role / Device Role / Timing Role: Main controller executing touch decoding, LED PWM, serial comms to host, and real-time event scheduling via RTC. Use Value: Integrated CTSU and 11-channel A/D eliminate external touch ICs and ADCs; M-grade temp rating ensures reliability in hot control cabinets. |
Use Scenario: Battery-powered environmental sensor node measuring temperature, humidity, and vibration. IC Role / Device Role / Timing Role: System-on-chip managing sensor acquisition, low-power sleep/wake cycles, and LoRaWAN/UART data transmission. Use Value: STOP mode current <1 μA and on-chip RTC enable multi-year battery life; internal reference voltage ensures stable A/D readings across temperature. |
| Appliance User Interface | Motor Drive Auxiliary Controller |
|
Use Scenario: Touch-enabled control panel for HVAC systems and kitchen appliances operating in variable ambient conditions. IC Role / Device Role / Timing Role: Dedicated UI processor handling capacitive keys, buzzer feedback, display interface, and safety interlocks. Use Value: 15-channel CTSU supports matrix keypads and proximity wake-up; −40°C to +125°C rating covers condensation and oven proximity environments. |
Use Scenario: Secondary controller in BLDC motor drives monitoring temperature, current, and fault signals. IC Role / Device Role / Timing Role: Real-time monitor interfacing with main MCU via UART/I²C, performing analog measurements and thermal shutdown logic. Use Value: Dual A/D converters sample multiple analog signals simultaneously; built-in comparator supports fast overcurrent detection without external comparators. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F1217CGNA#40 | Same 24-pin HWQFN package and 32 KB flash, but rated for −40°C to +105°C (G-grade) instead of +125°C. | Suitable for industrial equipment not exposed to extreme under-hood or enclosed high-temp environments. | Select when full M-grade thermal margin is unnecessary and cost optimization is prioritized. |
| R5F1216CMSP#50 | 20-pin LSSOP package, 32 KB flash, same M-grade temp range, but lacks CTSU and has only 4 A/D channels. | Applicable where touch interface is omitted and board space allows larger LSSOP footprint. | Choose for simpler HMI or sensor nodes requiring fewer analog/touch resources and standard through-hole-compatible packaging. |
Compared with R5F1217CGNA#40 and R5F1216CMSP#50, the R5F1217CMNA#40 uniquely combines M-grade thermal resilience, 15-channel CTSU, and 11-channel A/D in a compact 4×4 mm HWQFN-making it optimal for space-constrained, high-reliability industrial touch interfaces where extended temperature operation is mandatory.
Availability
R5F1217CMNA#40 is available at Aetrix Electronics and suitable for industrial control panels, smart sensor nodes, appliance HMIs, and motor drive auxiliary controllers requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R5F1217CMNA#40 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, and power solutions for industrial, automotive, and IoT markets.
The RL78/G16 product line delivers true low-power performance (61 µA/MHz at 125°C) with integrated capacitive touch and analog peripherals-designed specifically for cost-sensitive, reliability-critical industrial human-machine interfaces and sensor edge nodes.
FAQ
What is the maximum operating frequency and clock source flexibility of the R5F1217CMNA#40?
The R5F1217CMNA#40 supports a maximum CPU frequency of 16 MHz using its on-chip high-speed oscillator, selectable at 16/8/4/2/1 MHz with ±1.5% accuracy from −40°C to +125°C. It also accepts external crystals (X1/X2) or clock inputs (EXCLK) for precise timing-critical applications. The R5F1217CMNA#40 does not require external oscillators for most industrial HMI uses due to its calibrated internal oscillator.
Does the R5F1217CMNA#40 support in-system programming and secure firmware updates?
Yes, the R5F1217CMNA#40 includes an on-chip debug function and self-programming capability for code flash and data flash. It supports background operation for code flash writes (though BGO is not supported for data flash), and includes flash shield window protection to prevent unauthorized readout. The R5F1217CMNA#40 enables secure field updates without requiring external programmers.
How many capacitive touch channels does the R5F1217CMNA#40 support, and what configurations are available?
The R5F1217CMNA#40 integrates a dedicated 15-channel capacitive touch sensing unit (CTSU) supporting both self-capacitance (up to 15 independent keys) and mutual-capacitance (matrix configuration supporting up to 16 keys). All channels operate independently with hardware-accelerated measurement, eliminating CPU load during touch scanning. This capability is fully implemented in the R5F1217CMNA#40 and does not require external components.
What analog peripherals are integrated into the R5F1217CMNA#40, and how are they configured?
The R5F1217CMNA#40 features dual 10-bit A/D converters with up to 11 analog input channels (ANI0–ANI10), internal 0.815 V reference voltage, integrated temperature sensor, and selectable input ranges. It also includes two analog comparators (IVCMP0/IVCMP1) with programmable hysteresis and reference selection (internal or external). These analog resources are fully accessible on the R5F1217CMNA#40's 24-pin HWQFN package without multiplexing conflicts.
What is the package type and thermal design requirement for the R5F1217CMNA#40?
The R5F1217CMNA#40 is supplied in a 24-pin HWQFN package (4.0 × 4.0 mm, 0.5-mm pitch) with an exposed die pad. Per Renesas specification, the exposed pad must be soldered to a non-electrical, thermally conductive PCB copper area to ensure proper heat dissipation and EMI suppression-especially critical for continuous operation at +125°C. This mechanical requirement is mandatory for reliable R5F1217CMNA#40 deployment.
R5F1217CMNA#40 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 24-WFQFN Exposed Pad
- Series:
- RL78/G16
- Packaging:
- Tape & Reel (TR)
- 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:
- 21
- Program Memory Size:
- 32KB (32K 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 11x8/10b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F1217CMNA#40 FAQ
1.How can I place an order for R5F1217CMNA#40 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F1217CMNA#40 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 R5F1217CMNA#40 reliable?
The price and inventory of R5F1217CMNA#40 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F1217CMNA#40 is usually 5 days.
3.What payment methods are accepted for R5F1217CMNA#40?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F1217CMNA#40 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F1217CMNA#40?
R5F1217CMNA#40 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F1217CMNA#40 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 R5F1217CMNA#40?
For technical support, including R5F1217CMNA#40 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F1217CMNA#40 requirements.
6.How does Aetrix verify that R5F1217CMNA#40 is sourced from the original manufacturer or authorized distributors?
All R5F1217CMNA#40 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 R5F1217CMNA#40 meets industry standards.
7.What is the process for return or replacement of R5F1217CMNA#40?
All R5F1217CMNA#40 units undergo pre-shipment inspection (PSI). If there is an issue with R5F1217CMNA#40, 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 R5F1217CMNA#40 part is unused and in its original packaging.
Return procedure for R5F1217CMNA#40:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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