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Renesas R5F1214AMSP#50
- Part No.:
- R5F1214AMSP#50
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 16-SSOP (0.173", 4.40mm Width)
- Datasheet:
-
R5F1214AMSP#50.pdf
- Description:
- 16BIT MCU RL78/G16 16K 16LSSOP -
- Quantity:
- Payment:
- Shipping:
Inventory:2,286
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Product details
Overview
R5F1214AMSP#50 from Renesas Electronics is a 16-pin, industrial-grade RL78/G16 16-bit microcontroller with 16 KB flash, 2 KB RAM, and integrated capacitive touch sensing (15-channel CTSU), operating from −40°C to +125°C at 2.4–5.5 V supply. It features an RL78 CPU core (3-stage pipeline), 16-bit timer array (8 channels), 10-bit A/D converter (11 inputs), real-time clock with calendar, and multiple serial interfaces including UART, simplified SPI (CSI), and I²C.
For engineers reviewing the R5F1214AMSP#50 datasheet, R5F1214AMSP#50 pinout, R5F1214AMSP#50 application, or R5F1214AMSP#50 equivalent, key selection criteria include its M-grade temperature rating, LSSOP-16 package compatibility, on-chip CTSU for robust HMI, low-power STOP/HALT modes, and support for self-programming flash without boot swap.
Technical Context
The R5F1214AMSP#50 implements the RL78 CPU core with CISC architecture and configurable instruction timing (0.0625 μs min @ 16 MHz to 30.5 μs @ 32.768 kHz). Its memory subsystem includes 16 KB code flash (1 KB blocks), 1 KB data flash (512 B blocks, 1M rewrite cycles), and 2 KB SRAM - all accessible under single-supply operation.
Peripheral integration centers on system-level responsiveness: 10 external interrupt channels, 16-bit timer array with interval/RTC/watchdog functions, 10-bit A/D with internal reference (0.815 V) and temperature sensor, dual comparators, and hardware-accelerated capacitive touch sensing supporting up to 16 keys via mutual capacitance matrix.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RL78 16-bit CISC with 3-stage pipeline; supports variable instruction timing for power/performance trade-off |
| Flash Memory | 16 KB code flash (1 KB erase blocks); enables field firmware updates with no boot swap required |
| Data Flash | 1 KB data flash (512 B blocks, 32-bit rewrite unit); rated for 1,000,000 rewrites at full VDD range (2.4–5.5 V) |
| Operating Temp | −40°C to +125°C (M-grade industrial); validated for under-hood and motor-control environments |
| Supply Voltage | 2.4 V to 5.5 V single supply; eliminates need for external voltage regulators in battery-powered systems |
| Capacitive Touch | 15-channel CTSU with self- and mutual-capacitance modes; supports up to 16 keys without external components |
| Serial Interfaces | Up to 3 UART, 3 simplified SPI (CSI), 3 simplified I²C, and 1 standard I²C channel; enables multi-sensor connectivity |
Pinout & Package
Package: 16-pin plastic SSOP (4.4 × 5.0 mm, 0.65-mm pitch), RoHS-compliant, industrial M-grade qualification.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00 | TOOLTxD / SO00 / TxD0 | Primary debug UART transmit; also serves as SPI master output or UART TX for host communication |
| P01 | TOOLRxD / ANI0 / TS00 | Primary debug UART receive; dual-function analog input and capacitive touch channel 0 |
| P02 | PCLBUZ0 / ANI1 / VCOUT0 / TSCAP | Programmable clock/buzzer output; analog input 1; voltage comparator output; dedicated CTSU electrode pin |
| P03 | ANI2 / IVCMP0 / TS03 / TO00 | Analog input 2; comparator input 0; touch channel 3; timer output 0 for PWM generation |
| P04 | ANI3 / IVREF0 / TS04 / TxD1 | Analog input 3; internal voltage reference source; touch channel 4; secondary UART transmit |
| P05 | ANI4 / IVCMP1 / TS05 / SO11 | Analog input 4; comparator input 1; touch channel 5; SPI slave output for daisy-chain sensor interface |
| P06 | ANI5 / IVREF1 / TS06 / SI11 | Analog input 5; second internal reference; touch channel 6; SPI slave input for multi-node topology |
| P07 | ANI6 / VCOUT1 / TS07 / SCK11 | Analog input 6; second comparator output; touch channel 7; SPI clock for secondary peripheral bus |
| P121 | X1 / XT1 / TI07 / TO07 | Crystal oscillator input (32.768 kHz or 1–20 MHz); also used as timer input/output for encoder or pulse counting |
| P122 | X2 / XT2 / EXCLK / TI05 / TO05 | Crystal oscillator output or external clock input; timer I/O for high-precision event capture |
| P125 | RESET / INTP1 / VCOUT0 / VCOUT1 | Active-low reset with built-in SPOR; interrupt input 1; dual comparator outputs for fault monitoring |
| P137 | INTP0 / TI00 | Priority interrupt input 0; timer input 0 for edge-triggered wake-up from STOP mode |
| P40 | TOOL0 / INTP2 / PCLBUZ0 | On-chip debugger interface pin; interrupt input 2; shared with programmable buzzer output |
| P41 | RTC1HZ / TS13 / TI03 / TO03 | Real-time clock 1 Hz output; touch channel 13; timer I/O for time-stamped sensor events |
| VDD | Power Supply | Single 2.4–5.5 V supply rail; powers entire core, peripherals, and CTSU circuitry |
| VSS | Ground | Digital ground reference; must be connected to low-impedance PCB plane for CTSU noise immunity |
Key Features
| Feature | Design Value |
|---|---|
| True Low-Power Operation | 61 µA/MHz active current at 125°C; HALT/STOP modes reduce current to sub-µA levels for battery longevity |
| Integrated Capacitive Touch | Hardware-accelerated CTSU supports self- and mutual-capacitance without external ICs or firmware overhead |
| Industrial Temperature Range | M-grade qualification (−40°C to +125°C) ensures reliability in motor drives, HVAC, and automotive body control modules |
| On-Chip Debug & Programming | Fully functional on-chip debug interface with flash self-programming; no external programmer required for field updates |
| Flexible Clock System | High-speed on-chip oscillator (1–16 MHz, ±1.5% accuracy at 125°C) eliminates need for external crystal in cost-sensitive designs |
| Robust Analog Subsystem | 10-bit A/D with 11 inputs, internal reference (0.815 V), temperature sensor, and dual comparators enable sensor fusion in compact layouts |
Applications
| Home Appliance Control Panel | Industrial Motor Drive Interface |
|---|---|
Use Scenario: Touch-enabled front panel for washing machines, microwaves, or air conditioners with waterproof overlay. IC Role / Device Role / Timing Role: Primary MCU managing capacitive touch decoding, display interface, safety logic, and motor control signals. Use Value: Integrated CTSU eliminates external touch controller; 125°C rating allows placement near heat-generating power stages. | Use Scenario: Compact interface module between PLC and 3-phase inverter, handling status reporting and fault detection. IC Role / Device Role / Timing Role: Real-time peripheral coordinator with precise timer-based PWM sync, analog current sensing, and isolated UART communication. Use Value: On-chip 10-bit A/D and dual comparators directly digitize and compare motor phase currents; STOP mode enables ultra-low standby power during idle. |
| Automotive Body Control Module | Smart Thermostat Sensor Hub |
Use Scenario: Door lock actuator control, window lift supervision, and interior lighting management in passenger vehicles. IC Role / Device Role / Timing Role: Safety-critical node executing ASIL-B compatible diagnostics, CAN message filtering (via external transceiver), and watchdog-monitored I/O. Use Value: M-grade temperature range and built-in SPOR ensure reliable operation across vehicle cabin extremes; RTC with calendar supports timed service alerts. | Use Scenario: Battery-powered wireless thermostat collecting ambient temperature, humidity (via I²C sensor), and user touch input. IC Role / Device Role / Timing Role: Ultra-low-power sensor aggregator with background RTC alarm wake-up, touch-driven UI, and BLE interface (via UART). Use Value: 61 µA/MHz active current and sub-µA STOP mode extend CR2032 battery life beyond 2 years; integrated temperature sensor reduces BOM count. |
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#50 | G-grade (−40°C to +105°C); identical flash/RAM/CTSU/peripherals; same SSOP-16 package | Suitable for industrial automation panels not requiring extended high-temp operation | Select when ambient temperature stays below +105°C and cost sensitivity favors G-grade qualification |
| R5F1214CMNA#50 | Same M-grade rating but in 3×3 mm HWQFN-16 package; identical electrical specs and pin function mapping | Preferred for space-constrained PCBs where SSOP footprint is prohibitive | Choose for miniaturized designs needing same thermal performance in smaller area; requires QFN reflow profile |
Compared with R5F1214CGSP#50 and R5F1214CMNA#50, the R5F1214AMSP#50 uniquely combines M-grade thermal resilience with the ease-of-handling SSOP package and industry-standard 0.65-mm pitch - ideal for prototyping, manual assembly, and mid-volume production where thermal margin and manufacturability are both critical.
Availability
R5F1214AMSP#50 is available at Aetrix Electronics and suitable for industrial motor control, automotive body electronics, home appliance HMI, and smart sensor hub applications requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for R5F1214AMSP#50 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, power, and SoC solutions for automotive, industrial, and IoT markets.
The RL78/G16 product line delivers true low-power 16-bit MCUs optimized for cost-sensitive, thermally demanding embedded applications - emphasizing integrated capacitive touch, robust analog peripherals, and seamless debug-to-production workflows.
FAQ
What is the maximum operating frequency and instruction timing of the R5F1214AMSP#50?
The R5F1214AMSP#50 supports a high-speed on-chip oscillator up to 16 MHz, delivering a minimum instruction execution time of 0.0625 μs under those conditions. Its RL78 CPU core allows dynamic switching to ultra-low-speed operation (e.g., 32.768 kHz subsystem clock), extending instruction time to 30.5 μs - enabling precise power/performance tuning across operational modes. This flexibility is fully supported in the R5F1214AMSP#50 without external clock components.
Does the R5F1214AMSP#50 support self-programming of its flash memory?
Yes, the R5F1214AMSP#50 includes an on-chip debug function and supports self-programming of both code flash and data flash memory. Code flash writes require prior block erasure (1 KB blocks), while data flash supports 32-bit rewrites with a typical endurance of 1,000,000 cycles. No boot swap function is implemented, and flash shield window protection is available - all features confirmed in the R5F1214AMSP#50 datasheet Rev.1.30.
What touch sensing capabilities does the R5F1214AMSP#50 provide?
The R5F1214AMSP#50 integrates a dedicated Capacitive Touch Sensing Unit (CTSU) with 15 channels. It supports both self-capacitance (up to 15 independent keys) and mutual-capacitance (matrix configuration supporting up to 16 keys) without external components. All CTSU functionality - including noise cancellation, auto-calibration, and low-power scanning - is hardware-accelerated and fully operational within the R5F1214AMSP#50's M-grade temperature envelope.
Can the R5F1214AMSP#50 operate reliably at +125°C ambient temperature?
Yes, the R5F1214AMSP#50 is explicitly qualified for M-grade industrial operation from −40°C to +125°C. This includes full functionality of its 16 KB flash, 2 KB RAM, 10-bit A/D converter, CTSU, timers, and serial interfaces across the full range. The datasheet specifies parameter validity and timing margins at +125°C, confirming suitability for under-hood automotive, motor drive, and industrial control applications where thermal stress is critical.
What serial communication interfaces are available on the R5F1214AMSP#50?
The R5F1214AMSP#50 provides up to three UART channels, three simplified SPI (CSI) channels, three simplified I²C channels, and one standard I²C channel. These interfaces share pins via multiplexing (e.g., P00/P01 for UART, P02–P07 for CSI/I²C), and all are fully functional in the R5F1214AMSP#50's SSOP-16 package. No external level shifters or protocol converters are needed for basic sensor or display connectivity.
R5F1214AMSP#50 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 16-SSOP (0.173", 4.40mm Width)
- 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:
- 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#50 FAQ
1.How can I place an order for R5F1214AMSP#50 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F1214AMSP#50 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#50 reliable?
The price and inventory of R5F1214AMSP#50 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F1214AMSP#50 is usually 5 days.
3.What payment methods are accepted for R5F1214AMSP#50?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F1214AMSP#50 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F1214AMSP#50?
R5F1214AMSP#50 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F1214AMSP#50 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#50?
For technical support, including R5F1214AMSP#50 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F1214AMSP#50 requirements.
6.How does Aetrix verify that R5F1214AMSP#50 is sourced from the original manufacturer or authorized distributors?
All R5F1214AMSP#50 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#50 meets industry standards.
7.What is the process for return or replacement of R5F1214AMSP#50?
All R5F1214AMSP#50 units undergo pre-shipment inspection (PSI). If there is an issue with R5F1214AMSP#50, 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#50 part is unused and in its original packaging.
Return procedure for R5F1214AMSP#50:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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