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Renesas R5F104FCGFP#X0
- Part No.:
- R5F104FCGFP#X0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 44-LQFP
- Datasheet:
-
R5F104FCGFP#X0.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 44LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,686
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Product details
Overview
R5F104FCGFP#X0 from Renesas is a 44-pin LQFP, 96 KB flash, 12 KB RAM RL78/G14 16-bit microcontroller with ultra-low power operation (66 μA/MHz), integrated 10-bit ADC (20 channels), RTC, and dual UART/LIN interfaces - deployed in battery-powered industrial sensors and smart metering endpoints.
For engineers reviewing the R5F104FCGFP#X0 datasheet, R5F104FCGFP#X0 pinout, R5F104FCGFP#X0 application, or R5F104FCGFP#X0 equivalent, this page delivers verified package mapping, real-world timing role definitions, functional interface constraints, and substitution guidance grounded in Renesas' official RL78/G14 documentation (R01DS0053EJ0340 Rev. 3.40).
Technical Context
The R5F104FCGFP#X0 implements the RL78 CPU core with 3-stage pipeline CISC architecture, supporting instruction execution times from 0.03125 μs (@32 MHz) to 30.5 μs (@32.768 kHz), and includes multiply/divide/accumulate instructions within a 1 MB address space. It integrates a Data Transfer Controller (DTC) with chain transfer and background operation for data flash rewriting.
Its peripheral set includes Timer Array Unit (TAU) with 8 channels, Real-time Clock with calendar and alarm, 1-channel watchdog timer, and Event Link Controller (ELC) enabling direct hardware linking of 19–26 event sources to peripherals - eliminating CPU intervention for time-critical signal routing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline and 1 MB address space |
| Flash / RAM | 96 KB code flash + 4 KB data flash + 12 KB on-chip RAM |
| Operating Voltage | 1.6 V to 5.5 V - supports direct interface with 1.8 V, 2.5 V, and 3.3 V logic domains |
| Power Consumption | 66 μA/MHz active; 0.60 μA in STOP mode with RTC + LVD active |
| ADC | 10-bit resolution, 20-channel input, internal 1.45 V reference and temperature sensor |
| Timers | 8× 16-bit TAU channels, 1× 12-bit interval timer, 1× RTC (99-year calendar), 1× WDT |
| Serial Interfaces | 3× UART/LIN, 4× I²C/simplified I²C, 3× CSI (SPI-compatible) |
Pinout & Package
Package: 44-pin LQFP (10 × 10 mm, 0.8 mm pitch), RoHS-compliant, industrial-grade (−40°C to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00 | TxD1 / TI00 / TRGCLKA | Primary UART1 transmit; timer input; trace clock A - shared function requires register configuration |
| P01 | RxD1 / TO00 / TRGCLKB | Primary UART1 receive; timer output; trace clock B - enables synchronous debug trace capture |
| P10–P15 | CSI1/SCL11/SDA11/SO20/SI20/SCK20 | Dedicated serial peripheral group supporting SPI, I²C, and LIN physical layer signaling |
| P16/P17 | RxD0 / TXD0 / TRDIOC0 / TRDIOA0 | UART0 full-duplex I/O with configurable TRD (Transmit/Receive Data) routing via ELC |
| P30 | INTP3 / RTC1HZ / SCK00 / SCL00 | RTC 1 Hz interrupt output + I²C master clock - enables low-jitter timekeeping and sensor bus control |
| P121/P122 | X1 / X2 | Crystal oscillator inputs for 32.768 kHz RTC crystal - supports high-accuracy real-time operation |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts external debounced pushbutton or supervisor IC |
| VDD / VSS | Power supply / Ground | Single 1.6–5.5 V supply; decoupling required at REGC pin with 0.47–1 μF capacitor to VSS |
Key Features
| Feature | Design Value |
|---|---|
| SNOOZE mode operation | Enables peripheral-triggered wake-up without CPU core activation - reduces average system power by >90% during idle sensing intervals |
| Data Flash BGO | Background operation allows full CPU execution from code flash while rewriting 4 KB data flash - eliminates firmware stalls during logging |
| ELC event linking | Hardware-level routing of ADC conversion completion directly to DMA trigger - removes ISR latency and CPU load |
| On-chip voltage detector (LVD) | 14-level programmable reset/interrupt threshold - protects against brown-out during battery discharge or transient supply dips |
| Peripheral I/O redirection | PIOR0/PIOR1 registers remap up to 8 peripheral functions to alternate pins - increases PCB layout flexibility without changing silicon |
Applications
| Industrial Sensor Node | Smart Energy Meter |
|---|---|
|
Use Scenario: Battery-powered temperature/humidity/pressure node transmitting data hourly over sub-GHz RF link. IC Role / Device Role / Timing Role: Main controller executing sensor acquisition, RTC-scheduled transmission, and ultra-low-power sleep management. Use Value: 0.60 μA STOP mode extends 2xAA battery life beyond 10 years; 10-bit ADC with internal reference eliminates external precision voltage source. |
Use Scenario: DIN-rail mounted electricity meter performing tariff-based kWh accumulation and RS-485 communication. IC Role / Device Role / Timing Role: System-on-chip managing metrology sampling, RTC-based billing cycles, and isolated UART communication. Use Value: Integrated RTC with calendar and alarm enables accurate time-of-use billing; 3× UART supports both optical port and RS-485 interface simultaneously. |
| Home Appliance Control | Building Automation Panel |
|
Use Scenario: Washing machine main board controlling motor drivers, water valves, and user interface. IC Role / Device Role / Timing Role: Real-time motor timing controller with PWM generation, fault monitoring, and HMI button scanning. Use Value: 8× 16-bit TAU timers support independent motor phase control and buzzer tone generation; N-ch open-drain I/O drives LED indicators directly. |
Use Scenario: HVAC zone controller reading thermistors, driving relays, and communicating via BACnet MS/TP. IC Role / Device Role / Timing Role: Fieldbus gateway processor handling protocol translation, analog conditioning, and scheduled diagnostics. Use Value: Dual UART with LIN support enables native MS/TP physical layer compliance; 20-channel ADC monitors multiple thermal zones with single chip. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F104FGGFP#X0 | 128 KB flash, 16 KB RAM, same 44-pin LQFP package and peripheral set | Supports larger firmware images and extended data logging buffers | Select when future firmware expansion or enhanced security libraries require additional flash/RAM headroom |
| R5F104BCAFP#V0 | 32-pin LQFP, 32 KB flash, 4 KB RAM, identical core and low-power features | Reduced I/O count and peripheral channel count; lower cost for simpler control tasks | Choose for cost-sensitive, space-constrained designs where 26 GPIO and basic UART/ADC suffice |
Compared with R5F104FCGFP#X0, R5F104FGGFP#X0 provides scalable memory for feature-rich firmware, while R5F104BCAFP#V0 offers a pin-compatible footprint reduction for minimal control applications - neither is pin-to-pin compatible due to differing pin counts and I/O mappings.
Availability
R5F104FCGFP#X0 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart energy meters, and building automation panels requiring stable component supply across multi-year production cycles.
Supply support for R5F104FCGFP#X0 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/G14 product line delivers true low-power 16-bit MCUs optimized for cost-sensitive, battery-operated industrial and consumer devices requiring robust timing, analog integration, and long-term supply stability.
FAQ
What is the maximum operating frequency and corresponding current consumption for R5F104FCGFP#X0?
R5F104FCGFP#X0 operates up to 32 MHz with a typical active current of 66 μA per MHz at VDD = 3.3 V and TA = 25°C. At full speed, total active current is approximately 2.1 mA. The high-speed on-chip oscillator achieves ±1.0% accuracy across 1.8–5.5 V and −20°C to +85°C, eliminating need for external crystal in many applications.
Does R5F104FCGFP#X0 support in-system programming and secure firmware updates?
Yes, R5F104FCGFP#X0 supports self-programming of both code and data flash memory with boot swap functionality and flash shield window protection. The flash library reserves RAM starting at address FE900H, and rewrite endurance is rated at 1,000,000 cycles for data flash - enabling field firmware updates without external programmers.
How many UART/LIN interfaces does R5F104FCGFP#X0 provide, and are they independently configurable?
R5F104FCGFP#X0 provides three UART channels, all supporting LIN 2.2 protocol. Each UART has dedicated pins and independent baud rate generators, allowing simultaneous operation - for example, one for debug console, one for sensor interface, and one for host communication - with no resource contention.
What is the ADC resolution, input channel count, and reference voltage options for R5F104FCGFP#X0?
R5F104FCGFP#X0 integrates a 10-bit successive-approximation ADC with 20 analog input channels. It supports external reference voltage or internal 1.45 V reference, and includes an on-chip temperature sensor. Conversion time is 1.2 μs per sample at maximum clock rate, enabling real-time analog monitoring in control loops.
Is R5F104FCGFP#X0 qualified for industrial temperature range, and what packaging specification does #X0 indicate?
Yes, R5F104FCGFP#X0 is qualified for −40°C to +85°C operation (industrial grade, "D" field application). The "#X0" suffix denotes embossed tape packaging for 44-pin LQFP - compatible with automated SMT placement equipment and standard JEDEC moisture sensitivity level 3 handling requirements.
R5F104FCGFP#X0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 44-LQFP
- Series:
- RL78/G14
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- RL78
- Core Size:
- 16-Bit
- Speed:
- 32MHz
- Connectivity:
- CSI, I2C, LINbus, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 31
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 10x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F104FCGFP#X0 FAQ
1.How can I place an order for R5F104FCGFP#X0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F104FCGFP#X0 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 R5F104FCGFP#X0 reliable?
The price and inventory of R5F104FCGFP#X0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F104FCGFP#X0 is usually 5 days.
3.What payment methods are accepted for R5F104FCGFP#X0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F104FCGFP#X0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F104FCGFP#X0?
R5F104FCGFP#X0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F104FCGFP#X0 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 R5F104FCGFP#X0?
For technical support, including R5F104FCGFP#X0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F104FCGFP#X0 requirements.
6.How does Aetrix verify that R5F104FCGFP#X0 is sourced from the original manufacturer or authorized distributors?
All R5F104FCGFP#X0 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 R5F104FCGFP#X0 meets industry standards.
7.What is the process for return or replacement of R5F104FCGFP#X0?
All R5F104FCGFP#X0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F104FCGFP#X0, 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 R5F104FCGFP#X0 part is unused and in its original packaging.
Return procedure for R5F104FCGFP#X0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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