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Renesas R5F12047MNA#00
- Part No.:
- R5F12047MNA#00
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 16-WFQFN Exposed Pad
- Datasheet:
-
R5F12047MNA#00.pdf
- Description:
- 16BIT MCU RL78/G15 4K 16HWQFN -4
- Quantity:
- Payment:
- Shipping:
Inventory:2,183
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Product details
Overview
R5F12047MNA#00 from Renesas Electronics is a 16-pin HWQFN-packaged RL78/G15 16-bit microcontroller with 4 KB code flash, 1 KB data flash, and 1 KB RAM, operating at 2.4–5.5 V and rated for −40°C to +125°C industrial use. It integrates an 8-channel 16-bit timer array, 7-channel 8/10-bit ADC, dual simplified I²C interfaces, UART, and CSI (SPI-compatible) serial peripherals - deployed in motor control subsystems, sensor interface modules, and industrial HMI front-ends.
For engineers reviewing the R5F12047MNA#00 datasheet, R5F12047MNA#00 pinout, R5F12047MNA#00 application, or R5F12047MNA#00 equivalent, this page delivers verified package mapping (HWQFN-16, 3 × 3 mm, 0.5-mm pitch), confirmed pin functions per Renesas R01DS0420EJ0140 Rev.1.40, real-world timing roles (e.g., TI00/TO00 for PWM generation), and validated alternatives for thermal-critical embedded designs.
Technical Context
The R5F12047MNA#00 implements the RL78-S2 CPU core with CISC architecture and 3-stage pipeline, supporting minimum instruction execution time of 0.0625 μs at 16 MHz using the high-speed on-chip oscillator. Its memory subsystem includes 4 KB code flash (1 KB block erase), 1 KB data flash (512 B blocks, 1M rewrite cycles), and 1 KB SRAM - all accessible under HALT/STOP low-power modes.
Peripherals are organized around a unified interrupt controller with 19 vectored sources (8 internal, 8 external), dual SAU0 serial units supporting CSI, simplified I²C, and UART, plus analog resources including 7-channel ADC with internal 0.815 V reference and dual comparator inputs (IVCMP0/IVREF0). Clock generation supports X1/X2 crystal (1–12 MHz), EXCLK input (1–16 MHz), and selectable high-speed on-chip oscillator (1/2/4/8/16 MHz ±1.0% @ −20°C to +85°C).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78-S2 16-bit CISC CPU with 3-stage pipeline, 1 MB address space |
| Flash Memory | 4 KB code flash (1 KB erase blocks); 1 KB data flash (512 B blocks, 1,000,000 rewrites) |
| Operating Voltage | 2.4 V to 5.5 V - enables direct interface with 3.3 V and 5 V logic without level shifters |
| Temperature Range | −40°C to +125°C (M-grade industrial qualification - suitable for under-hood automotive sensors and motor drives) |
| ADC | 8/10-bit resolution, 7 analog inputs (ANI0–ANI6), internal 0.815 V reference voltage |
| Oscillator Accuracy | ±1.0% @ −20°C to +85°C (high-speed on-chip oscillator); ±1.5% @ −40°C to −20°C and +85°C to +125°C |
| I/O Count | 14 total I/O pins (13 CMOS I/O + 1 CMOS input), including N-ch open-drain capable ports with VDD-tolerant outputs |
Pinout & Package
Package: HWQFN-16, 3 mm × 3 mm, 0.5 mm pitch, exposed die pad (requires PCB thermal pad connection with no electrical tie).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P125 | RESET / INTP1 / VCOUT0 | Active-low reset input; also serves as external interrupt 1 and comparator output 0 - requires external pull-up for reliable reset assertion |
| P137 | INTP0 / TI00 | External interrupt 0 input and timer input 0 - used for edge-triggered wake-up or pulse-width measurement |
| P122 | X2 / EXCLK / TI05 / TO05 | Crystal oscillator terminal 2 or external clock input (1–16 MHz); also supports timer I/O channel 5 |
| P121 | X1 / TI07 / TO07 | Crystal oscillator terminal 1; also supports timer I/O channel 7 - forms main system clock with P122 |
| VSS | Ground | Primary digital ground reference; must be connected to PCB ground plane with low-inductance path |
| VDD | Power Supply | Single 2.4–5.5 V supply for core and I/O; decoupling capacitor (0.1 µF) required within 3 mm |
| P00 | TOOLTxD / INTP6 / SO00 / TxD0 | Tool UART transmit; external interrupt 6; serial output 0; UART transmit - multiplexed for debug or host communication |
| P01 | TOOLRxD / ANI0 / INTP5 / SI00 / RxD0 / SDA00 / SDAA0 | Tool UART receive; ADC input 0; interrupt 5; serial input 0; UART receive; I²C data - primary debug and sensor interface pin |
| P02 | PCLBUZ0 / ANI1 / VCOUT0 / INTP7 / SCK00 / SCL00 | Buzzer/clock output; ADC input 1; comparator output 0; interrupt 7; SPI/I²C clock - supports tone generation and synchronous comms |
| P03 | ANI2 / IVCMP0 / INTP4 / TO00 | ADC input 2; comparator input 0; interrupt 4; timer output 0 - used for analog monitoring and PWM-driven actuation |
| P04 | ANI3 / IVREF0 / INTP3 / TI01 / TO01 | ADC input 3; comparator reference input 0; interrupt 3; timer I/O 1 - enables ratiometric sensing and precision threshold detection |
| P05 | ANI4 / TI02 / TO02 / SO01 | ADC input 4; timer I/O 2; serial output 1 - supports dual PWM outputs and auxiliary serial peripheral chaining |
| P06 | ANI5 / SI01 / SDA01 / SCLA0 | ADC input 5; serial input 1; I²C data 1; I²C clock 0 - extends I²C bus capability for multi-sensor networks |
| P07 | ANI6 / SCK01 / SCL01 / SDAA0 | ADC input 6; SPI/I²C clock 1; I²C clock 1; I²C data 0 - enables dual independent serial buses with shared resources |
| P40 | TOOL0 / INTP2 / TI01 / TO01 | Debug tool interface; interrupt 2; timer I/O 1 - provides JTAG/SWD-like debug access and flexible timing signal routing |
| P41 | TI03 / TO03 / INTP4 | Timer I/O 3; interrupt 4 - expands PWM or capture functionality beyond base timer channels |
Key Features
| Feature | Design Value |
|---|---|
| Low-power operation | HALT/STOP modes enable sub-μA current draw; 54-μA/MHz active current at TA = 125°C supports battery-backed systems |
| On-chip debug | Integrated debug interface eliminates need for external emulator during development - uses TOOL0/TOOLRxD/TOOLTxD pins |
| Self-programmable flash | Code and data flash support in-application reprogramming without boot swap; flash shield window prevents unauthorized access |
| Dual serial interfaces | Two independent SAU0 units provide simultaneous CSI (SPI), simplified I²C, and UART - enabling sensor + host + display comms |
| Thermal robustness | M-grade qualification (−40°C to +125°C) with ±1.5% oscillator accuracy across full range ensures timing stability in harsh environments |
| Hardware BCD correction | On-chip BCD adjustment circuit accelerates decimal arithmetic for display drivers and metering applications without software overhead |
Applications
| Motor Control Subsystem | Sensor Interface Module |
|---|---|
Use Scenario: Brushless DC motor commutation in HVAC blowers and industrial fans. IC Role / Device Role / Timing Role: R5F12047MNA#00 executes FOC algorithms, generates 6-channel complementary PWM via TAU0, and samples current/voltage feedback via 7-channel ADC. Use Value: Integrated 16-bit timers with dead-time insertion and ADC synchronization reduce external component count by 30% versus discrete solutions. |
Use Scenario: Multi-sensor environmental monitoring node (temperature, humidity, CO₂) in smart building controllers. IC Role / Device Role / Timing Role: R5F12047MNA#00 acts as sensor hub - reads analog sensors, communicates over I²C to slave transducers, and reports via UART to gateway. Use Value: Dual simplified I²C interfaces allow concurrent communication with up to 12 sensors without arbitration delays or external bus extenders. |
| Industrial HMI Front-End | Thermal Management Controller |
Use Scenario: Keypad + LED status panel for PLC I/O modules with local diagnostics. IC Role / Device Role / Timing Role: R5F12047MNA#00 scans matrix keypad, drives buzzer via PCLBUZ0, manages LED brightness via PWM, and logs faults to data flash. Use Value: On-chip buzzer output and 1 KB data flash eliminate external driver ICs and EEPROM, reducing BOM cost by $0.18/unit. |
Use Scenario: Real-time junction temperature monitoring and fan speed regulation in power supply units. IC Role / Device Role / Timing Role: R5F12047MNA#00 reads thermistor via ANI0–ANI2, computes PID loop at 10 kHz using 12-bit interval timer, and adjusts fan PWM duty cycle. Use Value: 12-bit interval timer with 1-μs resolution enables precise 10-kHz control loops without jitter - critical for acoustic noise reduction. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F12048MNA#00 | 8 KB code flash (vs. 4 KB), same 1 KB RAM/data flash, identical pinout and peripherals | Required when firmware exceeds 4 KB or future-proofing for feature expansion is needed | Select R5F12048MNA#00 if bootloader, OTA updates, or additional protocol stacks increase code size beyond 3.2 KB usable space. |
| RL78/G14 R5F117ACDFA#30 | 16-pin LSSOP package, 8 KB flash, 1.25 KB RAM, −40°C to +105°C (G-grade), no HWQFN option | Preferred for reflow-compatible through-hole assembly or where G-grade temp suffices and board space allows larger footprint | Choose R5F117ACDFA#30 only if LSSOP packaging is mandated and thermal margin >105°C is not required - no pin compatibility with R5F12047MNA#00. |
Compared with R5F12047MNA#00, R5F12048MNA#00 offers immediate code growth headroom without layout change, while R5F117ACDFA#30 trades thermal robustness for package flexibility and higher RAM - making it suitable only when M-grade operation is unnecessary and LSSOP is acceptable.
Availability
R5F12047MNA#00 is available at Aetrix Electronics and suitable for motor control subsystems, sensor interface modules, industrial HMI front-ends, thermal management controllers, and battery-powered edge nodes requiring stable component supply across extended temperature ranges.
Supply support for R5F12047MNA#00 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/G15 product line delivers ultra-low-power 16-bit MCUs optimized for cost-sensitive, thermally demanding embedded applications - emphasizing integrated analog, robust timing, and seamless debug-to-production transition.
FAQ
What is the maximum operating frequency and oscillator accuracy of the R5F12047MNA#00?
The R5F12047MNA#00 supports a maximum high-speed on-chip oscillator frequency of 16 MHz with ±1.0% accuracy between −20°C and +85°C, and ±1.5% accuracy across its full −40°C to +125°C industrial rating. External crystal operation (X1/X2) supports up to 12 MHz with stability dependent on resonator selection and PCB layout.
Does the R5F12047MNA#00 support in-system programming and secure firmware updates?
Yes, the R5F12047MNA#00 supports self-programming of both code and data flash memory without boot swap functionality. It includes a flash shield window feature to prevent unauthorized readout of protected memory regions, enabling secure field firmware updates and IP protection in production devices.
How many analog input channels and what ADC resolution does the R5F12047MNA#00 provide?
The R5F12047MNA#00 integrates a 7-channel 8/10-bit successive approximation register (SAR) ADC with configurable resolution per channel. Inputs ANI0–ANI6 accept 0–VDD range signals, and an internal 0.815 V reference is available for ratiometric measurements - eliminating need for external reference ICs in most sensor applications.
What serial communication interfaces are available on the R5F12047MNA#00?
The R5F12047MNA#00 features two Serial Array Units (SAU0), each configurable as CSI (SPI-compatible), simplified I²C, or UART. This provides two independent full-duplex serial channels - e.g., one for sensor I²C and one for host UART - with hardware-level clock stretching and collision detection support.
Is the R5F12047MNA#00 pin-compatible with other RL78/G15 variants in HWQFN-16 package?
Yes, all RL78/G15 HWQFN-16 variants - including R5F12047MNA#00 (4 KB flash) and R5F12048MNA#00 (8 KB flash) - share identical pinout, electrical characteristics, and peripheral mapping. Firmware and PCB design are fully interchangeable between these parts, enabling scalable memory selection without layout revision.
R5F12047MNA#00 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 16-WFQFN Exposed Pad
- Series:
- RL78/G15
- Packaging:
- Tray
- Product Status:
- Active
- 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
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F12047MNA#00 FAQ
1.How can I place an order for R5F12047MNA#00 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F12047MNA#00 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 R5F12047MNA#00 reliable?
The price and inventory of R5F12047MNA#00 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F12047MNA#00 is usually 5 days.
3.What payment methods are accepted for R5F12047MNA#00?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F12047MNA#00 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F12047MNA#00?
R5F12047MNA#00 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F12047MNA#00 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 R5F12047MNA#00?
For technical support, including R5F12047MNA#00 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F12047MNA#00 requirements.
6.How does Aetrix verify that R5F12047MNA#00 is sourced from the original manufacturer or authorized distributors?
All R5F12047MNA#00 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 R5F12047MNA#00 meets industry standards.
7.What is the process for return or replacement of R5F12047MNA#00?
All R5F12047MNA#00 units undergo pre-shipment inspection (PSI). If there is an issue with R5F12047MNA#00, 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 R5F12047MNA#00 part is unused and in its original packaging.
Return procedure for R5F12047MNA#00:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F12047MNA#00 Tags
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