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Renesas R5F121BCANA#60
- Part No.:
- R5F121BCANA#60
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 32-WFQFN Exposed Pad
- Datasheet:
-
R5F121BCANA#60.pdf
- Description:
- 16BIT MCU RL78/G16 32K 32HWQFN -
- Quantity:
- Payment:
- Shipping:
Inventory:4,975
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Product details
Overview
R5F121BCANA#60 from Renesas Electronics is a 32-pin HWQFN-packaged 16-bit RL78/G16 microcontroller with 32 KB code flash, 2 KB RAM, and integrated capacitive touch sensing (15-channel CTSU), designed for low-power industrial control and HMI applications operating from 2.4–5.5 V.
For engineers reviewing the R5F121BCANA#60 datasheet, R5F121BCANA#60 pinout, R5F121BCANA#60 application, or R5F121BCANA#60 equivalent, key selection criteria include its 32-pin 5×5 mm HWQFN package, −40°C to +125°C M-grade temperature rating, 16-bit RL78 CPU core with 0.0625 μs min instruction time, and hardware support for UART/SPI/I²C, 16-bit timers, and 10-bit ADC with 11-channel analog input.
Technical Context
The R5F121BCANA#60 implements the RL78 CPU core with a 3-stage pipeline CISC architecture, supporting variable-speed operation from 32.768 kHz (30.5 μs instruction) to 16 MHz (0.0625 μs instruction) using internal oscillators. It integrates dedicated peripherals including a 99-year real-time clock with alarm and correction, 16-bit timer array (8 channels), and background operation–disabled data flash (1 KB, 1M rewrite cycles).
Its capacitive touch sensing unit supports both self-capacitance (up to 15 keys) and mutual capacitance (up to 16 keys in matrix), with built-in TSCAP voltage generation and noise immunity features. Power management includes HALT and STOP modes, on-chip SPOR, and voltage monitoring across the full 2.4–5.5 V range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RL78 16-bit CISC with 3-stage pipeline, 1 MB address space |
| Flash Memory | 32 KB code flash (1 KB block size), 1 KB data flash (512 B block) |
| RAM | 2 KB on-chip RAM for variables and stack |
| Operating Voltage | 2.4 V to 5.5 V - enables direct battery or unregulated supply use |
| Temperature Range | −40°C to +125°C (M-grade) - qualified for under-hood automotive and industrial motor control |
| ADC | 10-bit resolution, 11-channel analog input with internal reference (0.815 V) and temperature sensor |
| Touch Sensing | 15-channel CTSU supporting self- and mutual-capacitance configurations |
Pinout & Package
Package: 32-pin HWQFN (5.0 × 5.0 mm, 0.5-mm pitch) with exposed die pad requiring thermal anchoring to a non-electrical PCB copper area.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00 | TOOLTxD / SO00 / TxD0 | UART transmit output or serial interface output; supports tool communication and peripheral control |
| P01 | TOOLRxD / ANI0 / SI00 / RxD0 | UART receive input with analog channel 0; enables debug interface and sensor data acquisition |
| P02 | PCLBUZ0 / ANI1 / VCOUT0 / TSCAP | Capacitive touch sensing input with internal voltage source; primary pin for self-capacitance key detection |
| P125 | RESET / INTP1 | Active-low reset input with interrupt capability; ensures deterministic startup and fault recovery |
| VDD | Power Supply | Main 2.4–5.5 V supply rail; powers all digital and analog blocks including CTSU and ADC |
| VSS | Ground | Digital/analog common reference; must be connected to low-impedance ground plane |
| P41 | RTC1HZ / TS13 | Real-time clock 1 Hz output and touch sensing channel 13; enables low-power timekeeping and multi-key HMI |
| P60 | SCLA0 / SI11 | I²C clock line or serial interface input; supports dual-role I²C master/slave and SPI slave configuration |
Key Features
| Feature | Design Value |
|---|---|
| Low-Power Operation | Halt/Stop modes reduce current to µA-level; 61 µA/MHz active current at 125°C enables battery-powered longevity |
| Integrated Touch Sensing | Hardware-accelerated CTSU eliminates need for external touch controller; supports up to 16 keys in mutual-capacitance matrix |
| Flexible Clock System | High-speed on-chip oscillator (1–16 MHz, ±1.0% accuracy at 25°C) eliminates external crystal for cost-sensitive designs |
| Industrial Temperature Grade | M-grade qualification (−40°C to +125°C) ensures reliable operation in motor drives, power tools, and factory automation |
| Secure Flash Programming | On-chip debug and self-programming without boot swap; flash shield window prevents unauthorized firmware access |
Applications
| Home Appliance Control Panel | Industrial Motor Drive Interface |
|---|---|
Use Scenario: Touch-enabled front panel for washing machines, microwaves, or HVAC systems with LED feedback and buzzer alerts. IC Role / Device Role / Timing Role: Main system controller executing UI logic, managing capacitive touch inputs, driving buzzer via PCLBUZ0, and communicating with main MCU over UART/I²C. Use Value: Single-chip integration of touch sensing, 10-bit ADC (for temperature/door switch monitoring), and RTC eliminates discrete components and reduces BOM count by ≥4. | Use Scenario: Local control node in brushless DC motor drives handling hall sensor inputs, PWM generation, and thermal protection. IC Role / Device Role / Timing Role: Dedicated subsystem controller interfacing with hall sensors (P03–P07), generating complementary PWM via TI0x/TO0x, and reading thermistor via ANI0–ANI6. Use Value: 16-bit timer array with dead-time insertion and 11-channel ADC enable precise commutation timing and real-time thermal monitoring at 125°C ambient. |
| Smart Energy Meter UI Module | Automotive Cabin Control Unit |
Use Scenario: Secondary display and button/touch interface for residential energy meters with tamper detection and local data logging. IC Role / Device Role / Timing Role: Standalone HMI processor capturing touch events (CTSU), updating LCD via serial interface, and storing event logs in data flash memory. Use Value: 1 MB address space and 32 KB flash support complex UI state machines; 1M-cycle data flash endurance ensures >10-year event logging at 100 writes/day. | Use Scenario: Climate control or seat adjustment module in passenger vehicles requiring ASIL-B–compatible operation and EMC robustness. IC Role / Device Role / Timing Role: Safety-aware subsystem controller monitoring potentiometer inputs (ANI2–ANI4), driving stepper motors via TO0x outputs, and communicating over CAN via external transceiver. Use Value: M-grade temperature range and on-chip SPOR ensure functional safety during engine-off hot soak; watchdog timer with dedicated LSI oscillator guarantees fail-safe reset behavior. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F121BCMNA#60 | Same package and pinout; identical 32 KB flash, 2 KB RAM, and CTSU, but rated for −40°C to +125°C (M-grade) - same specification | No functional difference; identical datasheet revision and electrical characteristics | Select when requiring official M-grade certification documentation or traceable lot-level qualification reports |
| R5F121BCGNA#60 | Same silicon and pinout; differs only in temperature grade (−40°C to +105°C, G-grade) and screening test conditions | Suitable for industrial equipment not exposed to extreme under-hood or high-ambient environments | Choose for cost-sensitive applications where +105°C maximum ambient suffices and full M-grade qualification is unnecessary |
Compared with R5F121BCMNA#60, the R5F121BCANA#60 shares identical functionality and packaging but is distinguished solely by its ordering suffix (#60 tray packaging); versus R5F121BCGNA#60, it provides extended thermal margin for demanding mechanical enclosures or proximity to heat sources.
Availability
R5F121BCANA#60 is available at Aetrix Electronics and suitable for industrial motor control, smart appliance HMI, and automotive cabin interface applications requiring stable component supply and long-term lifecycle support.
Supply support for R5F121BCANA#60 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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power devices for automotive, industrial, and IoT markets.
The RL78/G16 product line delivers ultra-low-power 16-bit MCUs optimized for cost-sensitive, thermally demanding applications requiring integrated touch, precision analog, and robust real-time control - targeting white goods, factory HMIs, and automotive body electronics.
FAQ
What is the package type and pin count of the R5F121BCANA#60?
The R5F121BCANA#60 uses a 32-pin HWQFN package measuring 5.0 × 5.0 mm with 0.5-mm pitch and an exposed thermal pad. This compact, surface-mount package supports high-density PCB layouts while enabling efficient heat dissipation in industrial environments where the R5F121BCANA#60 operates up to +125°C.
Does the R5F121BCANA#60 support capacitive touch sensing, and how many channels are available?
Yes, the R5F121BCANA#60 integrates a dedicated Capacitive Touch Sensing Unit (CTSU) with 15 configurable channels. It supports both self-capacitance (up to 15 independent keys) and mutual-capacitance (up to 16 keys in matrix mode), with hardware acceleration and built-in noise rejection - all enabled without external components in the R5F121BCANA#60 design.
What is the maximum operating temperature specification for the R5F121BCANA#60?
The R5F121BCANA#60 is rated for operation from −40°C to +125°C (M-grade), validated per industrial standards for sustained use in high-ambient environments such as motor drive enclosures, under-dash automotive modules, and industrial power supplies where thermal margins are critical for R5F121BCANA#60 reliability.
How much flash memory does the R5F121BCANA#60 include, and what are its programming characteristics?
The R5F121BCANA#60 contains 32 KB of code flash memory organized in 1 KB blocks and 1 KB of data flash memory in 512 B blocks. Code flash supports erase-before-write only; data flash allows 32-bit unit rewrites with 1,000,000 cycle endurance at 2.4–5.5 V - features fully implemented in the R5F121BCANA#60 silicon.
Which communication interfaces are integrated into the R5F121BCANA#60?
The R5F121BCANA#60 integrates three UART channels, up to three simplified SPI (CSI) channels, up to three simplified I²C channels, and one standard I²C interface. These are mapped across dedicated pins like P00/P01 (UART), P60/P61 (I²C), and P02/P03 (SPI), enabling concurrent multi-protocol connectivity in the R5F121BCANA#60 without external level shifters or bridges.
R5F121BCANA#60 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 32-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:
- 29
- 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 ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F121BCANA#60 FAQ
1.How can I place an order for R5F121BCANA#60 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F121BCANA#60 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 R5F121BCANA#60 reliable?
The price and inventory of R5F121BCANA#60 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F121BCANA#60 is usually 5 days.
3.What payment methods are accepted for R5F121BCANA#60?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F121BCANA#60 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F121BCANA#60?
R5F121BCANA#60 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F121BCANA#60 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 R5F121BCANA#60?
For technical support, including R5F121BCANA#60 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F121BCANA#60 requirements.
6.How does Aetrix verify that R5F121BCANA#60 is sourced from the original manufacturer or authorized distributors?
All R5F121BCANA#60 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 R5F121BCANA#60 meets industry standards.
7.What is the process for return or replacement of R5F121BCANA#60?
All R5F121BCANA#60 units undergo pre-shipment inspection (PSI). If there is an issue with R5F121BCANA#60, 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 R5F121BCANA#60 part is unused and in its original packaging.
Return procedure for R5F121BCANA#60:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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