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Renesas R5F12047MSP#30
- Part No.:
- R5F12047MSP#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 16-SSOP (0.173", 4.40mm Width)
- Datasheet:
-
R5F12047MSP#30.pdf
- Description:
- MCU: RL78
- Quantity:
- Payment:
- Shipping:
Inventory:2,450
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Product details
Overview
R5F12047MSP#30 from Renesas Electronics is a 16-pin, 4 KB code flash, 1 KB RAM RL78/G15 16-bit microcontroller with industrial-grade −40°C to +125°C operation, high-speed on-chip oscillator (1–16 MHz), 8-channel 16-bit timer, and 7-channel 8/10-bit A/D converter - deployed in motor control subsystems for HVAC actuators.
For engineers reviewing the R5F12047MSP#30 datasheet, R5F12047MSP#30 pinout, R5F12047MSP#30 application, or R5F12047MSP#30 equivalent, key selection criteria include its 16-pin SSOP package, M-grade temperature rating, 4 KB flash / 1 KB data flash memory split, integrated comparator and buzzer output, and UART + dual simplified SPI/I²C interfaces for sensor and actuator communication.
Technical Context
The R5F12047MSP#30 implements the RL78 CPU core with CISC architecture, 3-stage pipeline, and 1 MB address space, supporting minimum instruction execution time of 0.0625 μs at 16 MHz. It integrates a selectable power-on-reset circuit with four voltage thresholds and operates from a single 2.4–5.5 V supply.
Its peripheral set includes TAU0 timer array (8 channels), 12-bit interval timer, watchdog timer, SAU0 serial array unit (2 channels), IICA0 I²C interface, and CSI00/CSI01 simplified SPI interfaces - all configurable via peripheral I/O redirection registers (PIOR) without hardware changes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline and 1 MB address space |
| Flash Memory | 4 KB code flash (1 KB block size) + 1 KB data flash (512 B block) |
| Operating Voltage | 2.4 V to 5.5 V single supply - enables direct battery or industrial rail interfacing |
| Temperature Range | −40°C to +125°C (M-grade industrial qualification) |
| A/D Converter | 7-channel 8/10-bit SAR ADC with internal 0.815 V reference and up to 11 analog inputs |
| Timers | 8-channel 16-bit timer array (TAU0), 1-channel 12-bit interval timer, 1-channel watchdog |
| Communication | 1 UART, 2 simplified SPI (CSI), 2 simplified I²C, 1 full I²C (IICA0) |
| Comparator | 1-channel analog comparator with selectable internal/external reference and high/low-speed modes |
Pinout & Package
Package: 16-pin plastic SSOP (4.4 × 5.0 mm, 0.65-mm pitch), RoHS-compliant, lead-free.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P41 | Timer I/O / Interrupt | TI03/TO03 with INTP4 multiplexing - supports PWM generation and external event capture |
| P40 | Debug / Timer I/O | TOOL0 debug interface and TI01/TO01 timer channel - enables in-circuit programming and timing control |
| P125 | Reset / System Control | Active-low RESET input with optional SPOR threshold selection - ensures robust power-up sequencing |
| P137 | Interrupt / Timer Input | INTP0 and TI00 - primary wake-up and timing trigger for low-power STOP/HALT modes |
| VSS | Ground Reference | Dedicated analog/digital ground pin - critical for ADC accuracy and noise immunity |
| VDD | Power Supply | Main 2.4–5.5 V supply pin - powers core, peripherals, and I/O simultaneously |
| P00 | UART / Serial I/O | TOOLTxD/SO00/TxD0 - supports tool communication and full-duplex UART transmission |
| P01 | UART / ADC / Serial I/O | TOOLRxD/SI00/RxD0/ANI0 - combines debug receive, UART input, and analog sensing |
| P02 | Buzzer / ADC / Clock | PCLBUZ0/ANI1/VCOUT0/SCK00 - drives piezoelectric elements and provides clock output or SPI clock |
| P03 | ADC / Comparator / Timer | ANI2/IVCMP0/TO00 - enables analog monitoring, comparator reference, and PWM output |
| P04 | ADC / Reference / Timer | ANI3/IVREF0/TI01/TO01 - supplies internal reference voltage and supports timer input/output |
| P05 | ADC / Timer / Serial | ANI4/TI02/TO02/SO01 - extends analog sensing and provides second SPI data output |
| P06 | ADC / Serial / SPI | ANI5/SI01/SDA01/SCLA0 - adds third analog channel and I²C slave/data interface |
| P07 | ADC / Serial / SPI | ANI6/SCK01/SCL01/SDAA0 - completes 7-channel ADC support and enables dual SPI/I²C master operation |
Key Features
| Feature | Design Value |
|---|---|
| Low-Power Operation | HALT/STOP modes with 54-μA/MHz active current at 125°C - extends battery life in portable industrial tools |
| On-Chip Oscillator Accuracy | ±1.0% frequency accuracy (−20°C to +85°C) - eliminates external crystal for cost-sensitive motor control |
| Data Flash Endurance | 1,000,000 write cycles at full VDD range (2.4–5.5 V) - supports firmware-over-the-air parameter storage |
| Peripheral Redirection | PIOR registers enable dynamic remapping of UART, SPI, and timer pins - simplifies PCB layout reuse across variants |
| Integrated BCD Correction | Hardware-accelerated binary-to-decimal conversion - reduces firmware overhead in display-driven HMI applications |
| Selectable Power-On Reset | Four SPOR voltage thresholds (2.25–4.45 V) - ensures reliable startup across wide-input DC-DC converters |
Applications
| Motor Control Subsystem | Industrial Sensor Node |
|---|---|
Use Scenario: Closed-loop speed regulation of 24 V brushed DC motors in HVAC damper actuators. IC Role / Device Role / Timing Role: Main controller executing PID algorithm, driving H-bridge gate drivers via PWM outputs, and reading position feedback via ADC. Use Value: Integrated 8-channel TAU0 timers deliver precise 10 kHz PWM with dead-time insertion; 7-channel ADC monitors motor current, temperature, and potentiometer position without external signal conditioning. | Use Scenario: Battery-powered vibration and temperature monitoring node in predictive maintenance systems. IC Role / Device Role / Timing Role: Low-power sensor aggregator sampling MEMS accelerometer and thermistor every 10 seconds, then transmitting via UART to gateway. Use Value: HALT mode draws <1 μA; on-chip 15 kHz low-speed oscillator enables accurate wake-up timing; 4 KB flash stores firmware and calibration data. |
| Smart Thermostat Interface | Programmable Power Supply Monitor |
Use Scenario: Local UI controller managing LCD segments, push-button inputs, and relay outputs in residential thermostats. IC Role / Device Role / Timing Role: HMI coordinator handling button debouncing, buzzer feedback, and segment driver timing via PCLBUZ0. Use Value: On-chip buzzer output drives piezo elements directly; 1 KB RAM buffers display frame data; simplified I²C interfaces connect to ambient sensor ICs. | Use Scenario: Real-time monitoring of 12 V/48 V industrial power rails for overvoltage, undervoltage, and ripple detection. IC Role / Device Role / Timing Role: Analog supervisor comparing rail voltage against internal 0.815 V reference using comparator and ADC. Use Value: Dual comparator channels (IVCMP0/IVCMP1) allow simultaneous high/low threshold detection; ±1.5% oscillator accuracy ensures stable sampling intervals across temperature. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F12048MSP#30 | 8 KB code flash (vs. 4 KB), same package, peripherals, and temperature grade | Required when firmware exceeds 4 KB or future-proofing for feature expansion is needed | Select if bootloader, OTA updates, or complex control algorithms demand additional flash capacity |
| R5F12047GSP#30 | Same 4 KB flash and peripherals but rated for −40°C to +105°C (G-grade) | Suitable for non-extended-temperature industrial environments where 125°C operation is unnecessary | Choose for cost-sensitive applications within standard industrial temperature envelope |
Compared with R5F12047MSP#30, R5F12048MSP#30 offers double flash capacity without changing footprint or firmware porting effort, while R5F12047GSP#30 reduces thermal qualification cost where +125°C operation is not required - enabling scalable design across temperature tiers.
Availability
R5F12047MSP#30 is available at Aetrix Electronics and suitable for HVAC actuator control, industrial sensor nodes, smart thermostat interfaces, and programmable power supply monitors requiring stable component supply across extended temperature ranges.
Supply support for R5F12047MSP#30 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 delivering microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The RL78/G15 product line delivers ultra-low-power 16-bit MCUs optimized for cost-sensitive, thermally demanding industrial control applications - balancing performance, integration, and energy efficiency in compact packages.
FAQ
What is the maximum operating frequency of the R5F12047MSP#30?
The R5F12047MSP#30 supports a maximum high-speed on-chip oscillator frequency of 16 MHz, enabling a minimum instruction execution time of 0.0625 μs. It also supports external crystal oscillation up to 12 MHz and external clock input up to 16 MHz. The actual system clock is configurable via option byte settings and remains stable across its −40°C to +125°C operating range.
Does the R5F12047MSP#30 support in-system programming?
Yes, the R5F12047MSP#30 supports self-programming of both code and data flash memory via its on-chip debug interface. It includes flash shield window functionality and allows erase/write operations without boot swap. Programming is performed through TOOL0, TOOLRxD, and TOOLTxD pins using Renesas' E2 studio and Flash Development Toolkit - no external programmer required for development.
How many analog input channels does the R5F12047MSP#30 provide?
The R5F12047MSP#30 provides 7 analog input channels (ANI0 to ANI6) for its 8/10-bit A/D converter, as confirmed by its 16-pin SSOP configuration and functional outline in the RL78/G15 datasheet. These channels support single-ended acquisition with internal reference (0.815 V) or external reference, and operate across the full 2.4–5.5 V supply range.
What communication interfaces are integrated into the R5F12047MSP#30?
The R5F12047MSP#30 integrates UART0 (1 channel), simplified SPI (CSI00 and CSI01 - 2 channels), simplified I²C (IIC00 and IIC01 - 2 channels), and full I²C (IICA0 - 1 channel). All interfaces share physical pins with flexible remapping via PIOR registers, allowing concurrent use of UART + dual CSI or I²C + CSI depending on application needs.
Is the R5F12047MSP#30 pin-compatible with other RL78/G15 variants in the same package?
Yes, the R5F12047MSP#30 is pin-compatible with all other RL78/G15 devices in the 16-pin SSOP package (e.g., R5F12048MSP#30, R5F12047GSP#30), sharing identical pin count, pitch, mechanical dimensions, and I/O function mapping. This enables drop-in replacement for flash capacity or temperature grade upgrades without PCB redesign.
R5F12047MSP#30 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 16-SSOP (0.173", 4.40mm Width)
- Series:
- RL78/G15
- Packaging:
- Tray
- Product Status:
- Last Time Buy
- Programmable:
- -
- Core Processor:
- RL78
- Core Size:
- 16-Bit
- Speed:
- 16MHz
- Connectivity:
- CSI, I2C, SPI, UART/USART
- Peripherals:
- POR, PWM, WDT
- Number of I/O:
- 13
- Program Memory Size:
- 4KB (4K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 1K x 8
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.4V ~ 5.5V
- Data Converters:
- A/D 7x8/10b SAR
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F12047MSP#30 FAQ
1.How can I place an order for R5F12047MSP#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F12047MSP#30 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 R5F12047MSP#30 reliable?
The price and inventory of R5F12047MSP#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F12047MSP#30 is usually 5 days.
3.What payment methods are accepted for R5F12047MSP#30?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F12047MSP#30 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F12047MSP#30?
R5F12047MSP#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F12047MSP#30 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 R5F12047MSP#30?
For technical support, including R5F12047MSP#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F12047MSP#30 requirements.
6.How does Aetrix verify that R5F12047MSP#30 is sourced from the original manufacturer or authorized distributors?
All R5F12047MSP#30 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 R5F12047MSP#30 meets industry standards.
7.What is the process for return or replacement of R5F12047MSP#30?
All R5F12047MSP#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F12047MSP#30, 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 R5F12047MSP#30 part is unused and in its original packaging.
Return procedure for R5F12047MSP#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F12047MSP#30 Tags
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