Renesas R5F1214AMSP#10
- Part No.:
- R5F1214AMSP#10
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 16-SSOP (0.173", 4.40mm Width)
- Datasheet:
-
R5F1214AMSP#10.pdf
- Description:
- 16BIT MCU RL78/G16 16K 16LSSOP -
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
R5F1214AMSP#10 from Renesas Electronics is a 16-pin, industrial-grade RL78/G16 16-bit microcontroller with 16 KB code flash, 2 KB RAM, and integrated capacitive touch sensing (15-channel CTSU). It operates from 2.4–5.5 V, supports −40°C to +125°C ambient, and delivers ultra-low-power operation via HALT/STOP modes and a 32.768 kHz subsystem clock enabling 30.5 μs instruction execution for battery-powered HMI applications.
For engineers reviewing the R5F1214AMSP#10 datasheet, R5F1214AMSP#10 pinout, R5F1214AMSP#10 application, or R5F1214AMSP#10 equivalent, key selection considerations include its LSSOP-16 package with 16 I/O pins, 10-channel 8/10-bit ADC, dual SPI/I²C/UART interfaces, real-time clock with calendar, and hardware-based touch sensing-critical for space-constrained industrial control panels and appliance user interfaces.
Technical Context
The R5F1214AMSP#10 implements the RL78 CPU core with a 3-stage pipeline CISC architecture, supporting configurable instruction timing 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 erase), 1 KB data flash (512 B blocks, 1M rewrite cycles), and 2 KB SRAM.
Peripheral integration centers on system-level responsiveness and human-machine interaction: a 15-channel capacitive touch sensing unit (CTSU) with self/mutual capacitance support, 8× 16-bit timers, 12-bit interval timer, watchdog, RTC with alarm/calendar, and three serial interfaces (Simplified SPI, UART, Simplified I²C) plus one full I²C channel-all accessible via multiplexed I/O in its 16-pin LSSOP footprint.
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 |
| Operating Voltage | 2.4–5.5 V single supply; supports direct connection to Li-ion, 3.3 V, or 5 V rails without external regulators |
| Temperature Range | −40°C to +125°C (M-grade); qualified for under-hood automotive, motor drives, and industrial PLC modules |
| Flash/RAM | 16 KB code flash (1 KB erase blocks), 1 KB data flash (512 B blocks, 1M rewrites), 2 KB SRAM |
| Analog Peripherals | 10-channel 8/10-bit ADC (VDD-referenced), 2-channel comparator, internal 0.815 V reference, temperature sensor |
| Touch Interface | 15-channel capacitive touch sensing unit (CTSU); supports up to 16 keys via mutual-capacitance matrix |
| Serial Interfaces | 3× Simplified SPI, 3× UART, 3× Simplified I²C, 1× full I²C; enables multi-sensor connectivity and display bridging |
Pinout & Package
Package: 16-pin plastic SSOP (4.4 × 5.0 mm, 0.65-mm pitch), RoHS-compliant, industrial M-grade (−40°C to +125°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00 | TOOLTxD / SO00 / TxD0 / SCLA0 | Primary debug UART TX; also serves as SPI master output, UART0 transmit, and I²C addressable slave clock line |
| P01 | TOOLRxD / ANI0 / TS00 / SI00 / RxD0 / SDA00 | Primary debug UART RX with analog input 0 and touch sense channel 0; doubles as SPI input and I²C data line |
| P02 | PCLBUZ0 / ANI1 / VCOUT0 / INTP7 / TSCAP / TI01 / TO01 / SCK00 / SCL00 | Capacitive touch sense electrode (TSCAP); also provides buzzer drive, analog input 1, and SPI clock/I²C clock |
| P03 | ANI2 / IVCMP0 / INTP4 / TS03 / TO00 / RxD1 / TI00 | Analog input 2 with comparator input; touch channel 3; UART1 receive; timer output 0; timer input 0 |
| P04 | ANI3 / IVREF0 / INTP3 / TS04 / TI06 / TO06 / TxD1 / TI01 / TO01 | Analog input 3 with internal reference selection; touch channel 4; UART1 transmit; dual timer I/O |
| P05 | ANI4 / IVCMP1 / INTP6 / TS05 / SO11 / TI02 / TO02 | Analog input 4 with second comparator input; touch channel 5; SPI output; dual timer I/O for flexible PWM generation |
| P06 | ANI5 / IVREF1 / TS06 / SI11 / SDA11 / SCLA0 / PCLBUZ0 | Analog input 5 with secondary reference; touch channel 6; SPI input; I²C slave data/address line; buzzer drive |
| P07 | ANI6 / VCOUT1 / TS07 / TI04 / TO04 / SCK11 / SCL11 / SDAA0 | Analog input 6 with second voltage output; touch channel 7; SPI clock; I²C clock; auxiliary I²C data line |
| P40 | TOOL0 / INTP2 / TI01 / TO01 / PCLBUZ0 | On-chip debugger interface pin; interrupt input 2; timer I/O; shared buzzer driver for audible feedback |
| P41 | RTC1HZ / TS13 / TI03 / TO03 / SCK20 / SCL20 | Real-time clock 1 Hz output; touch channel 13; timer I/O; dedicated SPI/I²C clock for secondary peripheral bus |
| P121 | X1 / XT1 / TI07 / TO07 / INTP3 / INTP4 / INTP5 | Primary crystal oscillator input (XT1); supports 32.768 kHz watch crystal; triple interrupt inputs for fast event capture |
| P122 | X2 / XT2 / EXCLK / EXCLKS / TI05 / TO05 / INTP2 | Crystal oscillator output or external clock input; enables precise timing sync or low-jitter clock distribution |
| P125 | RESET / INTP1 / INTP0 / VCOUT0 / VCOUT1 / SI11 | Active-low reset with glitch filter; dual interrupt inputs; dual voltage outputs; SPI input for daisy-chain configuration |
| P137 | INTP0 / TI00 | Dedicated interrupt input 0 with timer input 0; optimized for zero-latency wake-up from STOP mode |
| VDD | Power Supply | Core and I/O supply (2.4–5.5 V); decoupling required per Renesas layout guidelines for EMI suppression |
| VSS | Ground | Digital ground reference; must be connected to PCB ground plane with low-inductance path |
Key Features
| Feature | Design Value |
|---|---|
| True Low-Power Platform | 61 µA/MHz operating current at 125°C; HALT/STOP modes reduce current to sub-µA levels for extended battery life |
| Integrated Capacitive Touch Sensing | 15-channel CTSU with self/mutual capacitance support eliminates need for external touch controller ICs in HMI designs |
| Hardware Real-Time Clock | 99-year calendar with alarm, clock correction, and 1 Hz output-enables time-stamped logging without host processor load |
| Flexible Serial Connectivity | Three simplified SPI/I²C/UART channels plus one full I²C allow concurrent communication with displays, sensors, and EEPROMs |
| On-Chip Debug & Programming | Single-wire debug interface (SWD) with no boot swap; supports field firmware updates via UART or SPI without external tools |
| Industrial Temperature Grade | M-grade qualification (−40°C to +125°C) ensures reliable operation in motor control enclosures and factory automation environments |
Applications
| Home Appliance Control Panel | Industrial Motor Drive HMI |
|---|---|
|
Use Scenario: Touch-enabled front panel for washing machines, ovens, and HVAC systems requiring robust operation across wide temperature swings. IC Role / Device Role / Timing Role: Primary MCU executing UI logic, reading capacitive touch keys, driving buzzer feedback, and managing local sensor inputs. Use Value: Integrated CTSU and 125°C rating eliminate external touch controllers and thermal derating concerns in enclosed cabinets. |
Use Scenario: Operator interface on variable-frequency drives and servo amplifiers exposed to high ambient heat near motors. IC Role / Device Role / Timing Role: Standalone HMI controller handling button/touch input, LED status indication, and RS-485-modulated UART communication. Use Value: M-grade temperature range and 16 KB flash enable local UI processing without thermal throttling or external supervisory circuitry. |
| Smart Power Outlet with Energy Monitoring | Medical Patient Monitor Front Panel |
|
Use Scenario: DIN-rail mounted smart outlet with energy metering, relay control, and Bluetooth/Wi-Fi co-processor interface. IC Role / Device Role / Timing Role: System manager coordinating AC sensing, relay actuation, and UART communication to wireless module. Use Value: Dual UART/SPI interfaces allow simultaneous metering IC comms and wireless module handshaking without software arbitration. |
Use Scenario: Bedside monitor with tactile buttons and status LEDs where ESD immunity and long-term reliability are critical. IC Role / Device Role / Timing Role: Dedicated UI controller isolating touch response, audio alerts, and display backlight dimming from main application processor. Use Value: On-chip buzzer driver and CTSU with built-in noise rejection ensure responsive, ESD-hardened interaction in clinical environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F1214CGSP#10 | G-grade (−40°C to +105°C); identical peripherals and pinout; lower max ambient temperature | Suitable for industrial equipment not exposed to extreme thermal stress (e.g., indoor control cabinets) | Select when cost sensitivity outweighs need for 125°C operation; same PCB layout and firmware |
| R5F1214CMNA#00 | HWQFN-16 (3 × 3 mm, 0.5 mm pitch); same M-grade temp, flash, RAM, and peripherals | Better suited for ultra-compact designs where SSOP footprint exceeds board area budget | Choose for space-constrained applications; requires re-layout but retains full firmware compatibility |
Compared with R5F1214CGSP#10 and R5F1214CMNA#00, the R5F1214AMSP#10 uniquely combines M-grade temperature resilience with the manufacturability and thermal dissipation advantages of the SSOP package-ideal for high-reliability industrial HMIs where both thermal margin and assembly yield matter.
Availability
R5F1214AMSP#10 is available at Aetrix Electronics and suitable for industrial motor drives, home appliance control panels, and smart power outlets requiring stable component supply across extended temperature ranges and multi-year production cycles.
Supply support for R5F1214AMSP#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, and power solutions for automotive, industrial, and IoT markets.
The RL78/G16 product line delivers ultra-low-power 16-bit MCUs with integrated capacitive touch and real-time clock-designed specifically for cost-sensitive, thermally demanding human-machine interface applications in appliances and industrial controls.
FAQ
What is the maximum operating frequency and instruction timing of the R5F1214AMSP#10?
The R5F1214AMSP#10 supports a high-speed on-chip oscillator up to 16 MHz, delivering a minimum instruction execution time of 0.0625 μs. It also operates at ultra-low speed using the 32.768 kHz subsystem clock, extending instruction time to 30.5 μs-enabling precise trade-offs between performance and power in battery-powered applications. The R5F1214AMSP#10's RL78 core maintains consistent timing behavior across both modes without software intervention.
Does the R5F1214AMSP#10 support in-system programming and debugging?
Yes, the R5F1214AMSP#10 includes an on-chip debug function accessible via a single-wire interface (SWD), enabling full in-circuit debugging and flash programming without external emulators. It supports self-programming of code and data flash memory, though it lacks boot swap functionality. The R5F1214AMSP#10 does not require external programming hardware for field firmware updates over UART or SPI.
How many capacitive touch channels does the R5F1214AMSP#10 provide, and what configurations are supported?
The R5F1214AMSP#10 integrates a 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 15 channels map directly to GPIO pins with no external components required. The R5F1214AMSP#10's CTSU includes hardware noise cancellation and automatic calibration-critical for reliable operation in electrically noisy industrial environments.
What serial communication interfaces are available on the R5F1214AMSP#10?
The R5F1214AMSP#10 provides three simplified SPI channels, three UART channels, three simplified I²C channels, and one full I²C interface. These are implemented via multiplexed I/O pins and support concurrent operation-for example, one UART for debug, one SPI for display, and one I²C for sensor communication. The R5F1214AMSP#10's peripheral I/O redirection register (PIOR) allows dynamic remapping of most serial functions to alternate pins without hardware changes.
What is the data flash endurance and rewrite voltage range for the R5F1214AMSP#10?
The R5F1214AMSP#10 includes 1 KB of data flash memory organized in 512-byte blocks, rated for 1,000,000 write/erase cycles (typical). Rewrites are supported across the full operating voltage range of 2.4 V to 5.5 V, eliminating the need for voltage boost circuits during field updates. Background operation (BGO) is not supported-code execution halts during data flash writes-but the R5F1214AMSP#10's fast erase times minimize system interruption.
R5F1214AMSP#10 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 16-SSOP (0.173", 4.40mm Width)
- 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 ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F1214AMSP#10 FAQ
1.How can I place an order for R5F1214AMSP#10 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F1214AMSP#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 R5F1214AMSP#10 reliable?
The price and inventory of R5F1214AMSP#10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F1214AMSP#10 is usually 5 days.
3.What payment methods are accepted for R5F1214AMSP#10?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F1214AMSP#10 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F1214AMSP#10?
R5F1214AMSP#10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F1214AMSP#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 R5F1214AMSP#10?
For technical support, including R5F1214AMSP#10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F1214AMSP#10 requirements.
6.How does Aetrix verify that R5F1214AMSP#10 is sourced from the original manufacturer or authorized distributors?
All R5F1214AMSP#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 R5F1214AMSP#10 meets industry standards.
7.What is the process for return or replacement of R5F1214AMSP#10?
All R5F1214AMSP#10 units undergo pre-shipment inspection (PSI). If there is an issue with R5F1214AMSP#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 R5F1214AMSP#10 part is unused and in its original packaging.
Return procedure for R5F1214AMSP#10:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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