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Renesas R5F1216CMSP#50
- Part No.:
- R5F1216CMSP#50
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 20-LSSOP (0.173", 4.40mm Width)
- Datasheet:
-
R5F1216CMSP#50.pdf
- Description:
- 16BIT MCU RL78/G16 32K 20LSSOP -
- Quantity:
- Payment:
- Shipping:
Inventory:1,246
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Product details
Overview
R5F1216CMSP#50 from Renesas Electronics is a 20-pin, 32 KB flash, 2 KB RAM RL78/G16 16-bit microcontroller with capacitive touch sensing (15-channel CTSU), 10-bit A/D converter (11-channel), real-time clock, and industrial-grade operation up to +125°C. It integrates UART, simplified SPI (CSI), simplified I²C, and I²C interfaces for embedded control in space-constrained industrial HMI applications.
For engineers reviewing the R5F1216CMSP#50 datasheet, R5F1216CMSP#50 pinout, R5F1216CMSP#50 application, or R5F1216CMSP#50 equivalent, key selection criteria include its LSSOP-20 package, M-grade temperature range (−40°C to +125°C), 32 KB code flash with 1 KB data flash, on-chip high-speed oscillator (16 MHz ±1.5%), and integrated capacitive touch sensing unit supporting self- and mutual-capacitance configurations.
Technical Context
The R5F1216CMSP#50 implements the RL78 CPU core with a 3-stage pipeline CISC architecture, enabling instruction execution times from 0.0625 μs (16 MHz) to 30.5 μs (32.768 kHz). Its memory subsystem includes 32 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 an 11-channel 10-bit A/D converter with internal reference (0.815 V), two comparators, eight 16-bit timers, a 12-bit interval timer, watchdog timer, RTC with 99-year calendar, and a dedicated capacitive touch sensing unit (CTSU) supporting up to 15 self-capacitance keys or 16 mutual-capacitance keys via matrix configuration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RL78 16-bit CISC with 3-stage pipeline; supports variable instruction timing from 0.0625 μs to 30.5 μs |
| Flash Memory | 32 KB code flash (1 KB erase blocks); 1 KB data flash (512 B blocks, 1,000,000 write cycles) |
| RAM | 2 KB on-chip SRAM for runtime variables and stack operations |
| Operating Voltage | 2.4 V to 5.5 V single supply; enables direct interface with 3.3 V and 5 V logic systems |
| Temperature Range | −40°C to +125°C (M-grade industrial); validated for under-hood and factory-floor environments |
| A/D Converter | 10-bit resolution, 11 input channels, internal 0.815 V reference; supports analog sensor interfacing without external references |
| Capacitive Touch | 15-channel CTSU supporting self-capacitance (15 keys) or mutual-capacitance (16-key matrix); no external components required |
Pinout & Package
Package: 20-pin plastic LSSOP (4.4 × 6.5 mm, 0.65-mm pitch), tape-and-reel packaging (#50 specification).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00 | TOOLTxD / SO00 / TxD0 | UART transmit output or serial array output; supports debug communication and peripheral control |
| P01 | TOOLRxD / ANI0 / SI00 / RxD0 | UART receive input with analog input capability; enables firmware update and sensor signal acquisition |
| P02 | PCLBUZ0 / ANI1 / VCOUT0 / TSCAP | Capacitive touch sense channel with voltage-controlled output; primary pin for self-capacitance key detection |
| P03 | ANI2 / IVCMP0 / TS03 / TO00 / RxD1 | Analog input with comparator reference and touch sensing; supports dual-function analog/touch node |
| P04 | ANI3 / IVREF0 / TS04 / TI06 / TO06 / TxD1 | Internal voltage reference input and touch channel; provides stable reference for A/D and CTSU |
| P125 | RESET / INTP1 / VCOUT0 / INTP0 | Active-low reset with interrupt capability; ensures reliable system initialization and fault recovery |
| VDD | Power Supply | Primary 2.4–5.5 V supply rail; powers all digital and analog circuitry including CTSU and A/D |
| VSS | Ground | Common reference for analog and digital domains; critical for noise immunity in touch and A/D operation |
Key Features
| Feature | Design Value |
|---|---|
| Low-power HALT/STOP modes | Reduces current consumption during idle periods while retaining RAM and register state for fast wake-up |
| On-chip high-speed oscillator | 16 MHz ±1.5% accuracy over −40°C to +125°C; eliminates need for external crystal in cost-sensitive designs |
| Capacitive touch sensing unit (CTSU) | Hardware-accelerated touch detection with built-in noise rejection; enables robust button/slider implementation without firmware overhead |
| Real-time clock with calendar | 99-year calendar with alarm and clock correction; supports time-stamped logging and scheduled operations |
| Self-programmable flash | Enables field firmware updates without boot swap; supports secure in-application programming with flash shield window |
Applications
| Industrial Control Panel | Smart Appliance Interface |
|---|---|
Use Scenario: Front-panel HMI for PLC-mounted operator terminals with push-button and slider controls. IC Role / Device Role / Timing Role: Primary MCU executing touch scan, UART-based Modbus RTU communication, and real-time event scheduling. Use Value: Integrated CTSU eliminates external touch controller IC; 32 KB flash accommodates Modbus stack and UI logic; M-grade temp rating ensures reliability in cabinet environments. | Use Scenario: User interface for washing machine or HVAC control board with waterproof touch buttons. IC Role / Device Role / Timing Role: Dedicated touch processor interfacing with main system MCU via UART or simplified I²C. Use Value: Self-capacitance CTSU supports wet-finger operation; 10-bit A/D monitors thermistor and pressure sensor inputs; STOP mode extends battery life in cordless variants. |
| Energy Meter Front-End | Factory Automation Sensor Node |
Use Scenario: Display and tariff-selection interface in DIN-rail mounted electricity meters. IC Role / Device Role / Timing Role: Standalone meter UI controller managing LCD backlight, tamper detection, and RTC-based billing cycles. Use Value: RTC with calendar enables accurate time-of-use billing; 1 KB data flash stores tariff tables and event logs; LSSOP-20 footprint fits narrow meter bezels. | Use Scenario: Distributed I/O module monitoring temperature, vibration, and status switches in production lines. IC Role / Device Role / Timing Role: Edge-sensing node performing local A/D conversion, touch-initiated diagnostics, and UART/RS-485 communication. Use Value: 11-channel A/D supports multi-sensor aggregation; 16-bit timers enable precise pulse-width measurement of encoder signals; HALT mode reduces power between polling intervals. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F1216CGSP#50 | G-grade (−40°C to +105°C); identical peripherals, flash, and pinout | Suitable for industrial equipment not requiring full +125°C operation | Select when ambient operating temperature remains below +105°C to reduce cost without sacrificing functionality |
| R5F1216AASP#50 | A-grade (−40°C to +85°C); same core and peripherals but consumer-temperature rated | Targeted at white goods, consumer electronics, and non-critical infrastructure | Choose for cost-sensitive consumer applications where extended temperature range is unnecessary |
Compared with R5F1216CGSP#50 and R5F1216AASP#50, the R5F1216CMSP#50 uniquely supports continuous operation at +125°C while retaining identical peripheral set, memory map, and LSSOP-20 pin compatibility-enabling drop-in thermal upgrade paths in existing designs.
Availability
R5F1216CMSP#50 is available at Aetrix Electronics and suitable for industrial control panels, smart appliance interfaces, and energy meter front-ends requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R5F1216CMSP#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, and power solutions for automotive, industrial, and IoT markets.
The RL78/G16 product line delivers ultra-low-power 16-bit MCUs optimized for cost-sensitive industrial HMI and sensor-edge applications, integrating capacitive touch, precision A/D, and robust communication interfaces in compact packages.
FAQ
What is the maximum operating temperature for the R5F1216CMSP#50?
The R5F1216CMSP#50 is rated for industrial operation from −40°C to +125°C (M-grade). This specification is validated per Renesas' qualification standards and enables deployment in under-hood automotive modules, motor drives, and factory-floor controllers where ambient temperatures exceed +105°C. The R5F1216CMSP#50 maintains full functionality-including CTSU sensitivity, A/D accuracy, and flash write endurance-across this full range.
Does the R5F1216CMSP#50 support hardware-accelerated capacitive touch sensing?
Yes, the R5F1216CMSP#50 integrates a dedicated Capacitive Touch Sensing Unit (CTSU) supporting both self-capacitance (up to 15 keys) and mutual-capacitance (up to 16 keys in matrix configuration) with hardware-based noise cancellation. This eliminates the need for external touch controller ICs and reduces firmware overhead. The R5F1216CMSP#50's CTSU operates independently of the CPU core and can scan keys during STOP mode, enabling ultra-low-power wake-on-touch functionality.
What communication interfaces are available on the R5F1216CMSP#50?
The R5F1216CMSP#50 provides UART (up to 3 channels), simplified SPI (CSI, up to 3 channels), simplified I²C (up to 3 channels), and full I²C (1 channel). All interfaces are implemented in the Serial Array Unit (SAU) and support independent clock sources and configurable baud rates. The R5F1216CMSP#50 does not include CAN or USB peripherals. Pin multiplexing allows flexible allocation-for example, P00/P01 serve UART0, while P04/P03 support UART1-enabling concurrent communication with multiple peripherals.
Can the R5F1216CMSP#50 execute code while rewriting data flash memory?
No, background operation (BGO) is not supported on the R5F1216CMSP#50. During data flash rewrite operations, instruction execution from code flash memory is halted. This requires careful firmware design: critical real-time tasks must be paused or offloaded to hardware timers before initiating writes. The R5F1216CMSP#50 supports 1,000,000 write cycles at VDD = 2.4–5.5 V, and erase is performed in 512-byte blocks. Code flash writes follow the same restriction-no execution during erase/write sequences.
What is the function of the VCOUT0 pin on the R5F1216CMSP#50?
The VCOUT0 pin on the R5F1216CMSP#50 serves as a voltage-controlled output used by the capacitive touch sensing unit (CTSU) to drive the external electrode during self-capacitance measurements. It provides a precisely controlled charging waveform synchronized with the CTSU's internal counter, enabling high-accuracy delta-C measurement. VCOUT0 is shared with P02 and P125 pins and must be externally connected to the touch electrode through a series resistor (typically 10–100 kΩ) to limit current and improve noise immunity. Its operation is fully managed by the CTSU hardware-no software GPIO control is required.
R5F1216CMSP#50 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 20-LSSOP (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:
- 17
- 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:
R5F1216CMSP#50 FAQ
1.How can I place an order for R5F1216CMSP#50 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F1216CMSP#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 R5F1216CMSP#50 reliable?
The price and inventory of R5F1216CMSP#50 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F1216CMSP#50 is usually 5 days.
3.What payment methods are accepted for R5F1216CMSP#50?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F1216CMSP#50 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F1216CMSP#50?
R5F1216CMSP#50 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F1216CMSP#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 R5F1216CMSP#50?
For technical support, including R5F1216CMSP#50 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F1216CMSP#50 requirements.
6.How does Aetrix verify that R5F1216CMSP#50 is sourced from the original manufacturer or authorized distributors?
All R5F1216CMSP#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 R5F1216CMSP#50 meets industry standards.
7.What is the process for return or replacement of R5F1216CMSP#50?
All R5F1216CMSP#50 units undergo pre-shipment inspection (PSI). If there is an issue with R5F1216CMSP#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 R5F1216CMSP#50 part is unused and in its original packaging.
Return procedure for R5F1216CMSP#50:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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