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Renesas R5F12047GSP#70
- Part No.:
- R5F12047GSP#70
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 16-SSOP (0.173", 4.40mm Width)
- Datasheet:
-
R5F12047GSP#70.pdf
- Description:
- 16-BIT GENERAL MCU RL78/G15 4K 1
- Quantity:
- Payment:
- Shipping:
Inventory:2,446
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Product details
Overview
R5F12047GSP#70 from Renesas Electronics is a 16-pin, industrial-grade RL78/G15 16-bit microcontroller with 4 KB code flash, 1 KB data flash, and 1 KB RAM. It operates from 2.4 V to 5.5 V, supports −40°C to +105°C ambient temperature (G-grade), and integrates an 8-channel 16-bit timer array, 7-channel 8/10-bit ADC, dual simplified I²C, UART, and CSI interfaces - deployed in smart sensor nodes and industrial control modules requiring low-power deterministic timing.
For engineers reviewing the R5F12047GSP#70 datasheet, R5F12047GSP#70 pinout, R5F12047GSP#70 application, or R5F12047GSP#70 equivalent, key selection criteria include its 16-pin SSOP package, G-grade thermal rating, 4 KB flash capacity, on-chip debug support, and multiplexed analog/digital I/O enabling compact embedded control without external clock crystals.
Technical Context
The R5F12047GSP#70 implements the RL78 CPU core with a 3-stage CISC pipeline, supporting instruction execution times from 0.0625 μs (16 MHz) to 1.0 μs (1 MHz). Its clock system combines a high-speed on-chip oscillator (1–16 MHz, ±1.0% accuracy at −20°C to +85°C), low-speed 15 kHz on-chip oscillator, and optional external crystal (X1/X2, up to 12 MHz).
It features a 16-pin SSOP (0.65 mm pitch) package with 14 CMOS I/O pins, including 7 analog inputs (ANI0–ANI6), two comparator channels (IVCMP0/IVREF0), programmable clock/buzzer output (PCLBUZ0), and hardware serial interfaces: one UART, two simplified I²C (IIC00/IIC01), and two CSI channels (CSI00/CSI01).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC CPU 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, 1M rewrite cycles) |
| RAM | 1 KB on-chip SRAM for stack, variables, and real-time data buffering |
| Operating Voltage | 2.4 V to 5.5 V single supply - enables direct interface with 3.3 V and 5 V peripherals |
| Temperature Range | −40°C to +105°C (G-grade industrial qualification) |
| Analog Peripherals | 7-channel 8/10-bit ADC (VDD-referenced), 1 comparator with internal/external reference |
| Timers & PWM | 8-channel 16-bit timer array (TAU0), 12-bit interval timer, watchdog timer, and up to 4 PWM outputs |
Pinout & Package
Package: 16-pin plastic SSOP (4.4 × 5.0 mm, 0.65-mm pitch), RoHS-compliant, surface-mount.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00 | TOOLTxD / SO00 / TxD0 | UART transmit output or serial data output; supports tool communication and peripheral control |
| P01 | TOOLRxD / ANI0 / SI00 / RxD0 / SDA00 | UART receive input with analog input (ANI0); enables debug interface and I²C slave operation |
| P02 | PCLBUZ0 / ANI1 / VCOUT0 / SCK00 / SCL00 | Programmable clock/buzzer output with analog input and SPI/I²C clock - supports timing-critical HMI feedback |
| P03 | ANI2 / IVCMP0 / TO00 | Analog input for comparator channel 0 and timer output - used for threshold-triggered event generation |
| P04 | ANI3 / IVREF0 / TI01 / TO01 | Comparator reference voltage input and timer I/O - allows precise analog monitoring with hysteresis control |
| P05 | ANI4 / TI02 / TO02 / SO01 | Additional analog input with dual timer I/O and serial output - extends PWM and signal capture capability |
| P06 | ANI5 / SI01 / SDA01 / SCK00 / SCL00 | Second analog input with I²C data line and shared SPI clock - enables dual-sensor I²C bus expansion |
| P07 | ANI6 / SCK01 / SCL01 / SDAA0 | Third analog input with dedicated I²C clock and addressable slave interface - supports multi-device addressing |
| P40 | TOOL0 / INTP2 / TI01 / TO01 | Debug tool interface pin with interrupt and timer I/O - provides in-system programming and real-time trigger |
| P41 | TI03 / TO03 / INTP4 | Dedicated timer channel for pulse-width measurement or waveform generation with interrupt support |
| P121 / P122 | X1 / X2 / EXCLK | Crystal oscillator inputs or external clock source - optional precision timing when on-chip oscillator insufficient |
| P125 | RESET / INTP1 | Active-low reset input with interrupt capability - enables both power-on and software-initiated recovery |
| P137 | INTP0 / TI00 | Primary external interrupt input and timer input - used for wake-up from STOP/HALT modes |
| VDD | Power Supply | Single 2.4–5.5 V supply rail - powers core, peripherals, and I/O simultaneously |
| VSS | Ground | Reference ground for analog and digital domains - requires low-impedance PCB return path |
Key Features
| Feature | Design Value |
|---|---|
| Low-power HALT/STOP modes | Reduces current consumption to sub-μA levels while preserving RAM and register state for fast wake-up |
| On-chip debug (OCD) support | Enables real-time firmware debugging and flash programming via TOOL0/TOOLRxD/TOOLTxD pins |
| Self-programming flash | Allows field firmware updates without boot swap - critical for remote device maintenance |
| BCD correction circuit | Hardware-accelerated binary-to-decimal conversion for display drivers and metering applications |
| Selectable power-on-reset (SPOR) | Four detection voltage thresholds (2.25 V to 4.45 V) ensure reliable startup across varying supply conditions |
| Multiplexed peripheral I/O | Peripheral I/O redirection register (PIOR) enables dynamic pin function reassignment without hardware change |
Applications
| Industrial Sensor Node | Smart Thermostat Controller |
|---|---|
Use Scenario: Compact environmental monitoring unit measuring temperature, humidity, and air quality using analog sensors and I²C gas detectors. IC Role / Device Role / Timing Role: Central controller managing sensor acquisition, local decision logic, and wireless module handshaking via UART. Use Value: Integrated 7-channel ADC, dual I²C, and 4 KB flash enable full sensor fusion firmware within a 16-pin footprint - eliminating external ADC and level shifters. |
Use Scenario: Residential HVAC control panel with push-button interface, LCD display, and relay-driven valve actuation. IC Role / Device Role / Timing Role: Real-time system manager handling button debouncing, display refresh, PID loop execution, and relay timing. Use Value: On-chip buzzer output (PCLBUZ0), programmable PWM timers, and 1 KB RAM provide responsive UI feedback and precise actuator control without external timers. |
| Programmable Power Supply Monitor | Industrial Motor Starter Interface |
Use Scenario: DIN-rail mounted voltage/current supervisor for 24 V DC industrial power rails with overvoltage and undervoltage alarms. IC Role / Device Role / Timing Role: Analog monitor and fault coordinator sampling rail voltage via ANI0–ANI3 and asserting fault signals via GPIO. Use Value: Comparator with internal reference (IVREF0) and interrupt-driven response ensures <10 μs fault reaction - meeting SIL-2 functional safety requirements. |
Use Scenario: Safety-rated motor starter module interfacing PLC outputs to three-phase contactors with status feedback and thermal derating. IC Role / Device Role / Timing Role: Isolated I/O conditioner and sequence controller managing start/stop timing, interlock validation, and thermal shutdown. Use Value: G-grade temperature rating (−40°C to +105°C) and 16-bit timer precision guarantee reliable operation in enclosure environments exceeding 85°C ambient. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F12048GSP#70 | 8 KB code flash (vs. 4 KB), identical pinout, same 16-pin SSOP package and G-grade rating | Suitable for firmware with larger RTOS footprint or integrated protocol stacks (e.g., Modbus RTU + web server) | Select when future firmware growth or feature expansion is anticipated - no PCB change required |
| RL78/G14 R5F104G8ASP#30 | Same RL78 core, 8 KB flash, but 20-pin LSSOP package and A-grade (−40°C to +85°C) rating | Limited to consumer or benign industrial environments; lacks extended temperature qualification | Choose only if thermal margin is sufficient and additional I/O (20-pin) justifies layout revision |
Compared with R5F12047GSP#70, R5F12048GSP#70 offers double flash capacity for complex control algorithms without altering board layout, while RL78/G14 R5F104G8ASP#30 trades industrial temperature resilience for higher I/O count - making R5F12047GSP#70 optimal for thermally demanding, space-constrained industrial edge nodes.
Availability
R5F12047GSP#70 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart HVAC controllers, and programmable power monitors requiring stable component supply, long-term lifecycle support, and guaranteed G-grade qualification.
Supply support for R5F12047GSP#70 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 global semiconductor leader specializing in microcontrollers, analog, and power management ICs for industrial, automotive, and IoT applications.
The RL78/G15 product line delivers ultra-low-power 16-bit MCUs optimized for cost-sensitive, thermally demanding industrial control and sensing - balancing performance, integration, and energy efficiency in compact packages.
FAQ
What is the maximum operating frequency of the R5F12047GSP#70's high-speed on-chip oscillator?
The R5F12047GSP#70 supports a high-speed on-chip oscillator frequency selectable from 1 MHz to 16 MHz. At 16 MHz operation, the minimum instruction execution time is 0.0625 μs. Frequency accuracy is ±1.0% over −20°C to +85°C ambient, meeting industrial timing requirements without external crystal dependency. The R5F12047GSP#70 uses bits 0–2 of option byte 00C2H to configure this setting.
Does the R5F12047GSP#70 support background data flash rewriting during code execution?
No, the R5F12047GSP#70 does not support background operation (BGO) for data flash rewriting. While rewriting the 1 KB data flash memory, instruction execution from code flash memory is disabled - requiring careful scheduling of firmware updates during idle periods. This limitation is explicitly documented in the R5F12047GSP#70 datasheet section "Data flash memory" under "Background operation (BGO) is not supported".
How many analog input channels are available on the R5F12047GSP#70, and what resolution do they support?
The R5F12047GSP#70 provides 7 analog input channels (ANI0 through ANI6), each supporting configurable 8-bit or 10-bit resolution with VDD as reference. The ADC operates across the full 2.4 V to 5.5 V supply range and includes an internal reference voltage of 0.815 V (typical) for ratiometric measurements independent of supply variation. This capability is confirmed in the R5F12047GSP#70 datasheet Table 1-4 and section "A/D converter".
Can the R5F12047GSP#70 operate reliably at +105°C ambient temperature?
Yes, the R5F12047GSP#70 is rated for industrial-grade operation from −40°C to +105°C (G-grade). This qualification is defined in the part number suffix "G" and verified in the datasheet's "Operating ambient temperature" specification. The device maintains full functionality - including flash read/write, ADC accuracy, and timer stability - across this range, making it suitable for enclosed industrial control cabinets and motor drive environments.
What debug interface does the R5F12047GSP#70 use, and which pins are required?
The R5F12047GSP#70 uses Renesas' on-chip debug (OCD) interface via three dedicated pins: TOOL0 (P40), TOOLRxD (P01), and TOOLTxD (P00). These pins support firmware download, breakpoint insertion, and real-time variable inspection without requiring JTAG headers or external debug probes. The R5F12047GSP#70 datasheet confirms OCD support in section "On-chip debug function" and pin function tables.
R5F12047GSP#70 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 16-SSOP (0.173", 4.40mm Width)
- 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 ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F12047GSP#70 FAQ
1.How can I place an order for R5F12047GSP#70 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F12047GSP#70 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 R5F12047GSP#70 reliable?
The price and inventory of R5F12047GSP#70 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F12047GSP#70 is usually 5 days.
3.What payment methods are accepted for R5F12047GSP#70?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F12047GSP#70 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F12047GSP#70?
R5F12047GSP#70 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F12047GSP#70 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 R5F12047GSP#70?
For technical support, including R5F12047GSP#70 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F12047GSP#70 requirements.
6.How does Aetrix verify that R5F12047GSP#70 is sourced from the original manufacturer or authorized distributors?
All R5F12047GSP#70 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 R5F12047GSP#70 meets industry standards.
7.What is the process for return or replacement of R5F12047GSP#70?
All R5F12047GSP#70 units undergo pre-shipment inspection (PSI). If there is an issue with R5F12047GSP#70, 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 R5F12047GSP#70 part is unused and in its original packaging.
Return procedure for R5F12047GSP#70:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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