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Renesas R5F104LFAFA#10
- Part No.:
- R5F104LFAFA#10
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F104LFAFA#10.pdf
- Description:
- IC MCU 16BIT 96KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:952
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Product details
Overview
R5F104LFAFA#10 from Renesas is a 64-pin LQFP-0.65 mm pitch, 512 KB flash, 48 KB RAM RL78/G14 16-bit microcontroller operating from 1.6–5.5 V, delivering 44 DMIPS at 32 MHz with ultra-low power consumption (66 μA/MHz active, 0.60 μA RTC+LVD mode), used in industrial sensor nodes and battery-powered HMI control units.
For engineers reviewing the R5F104LFAFA#10 datasheet, R5F104LFAFA#10 pinout, R5F104LFAFA#10 application, or R5F104LFAFA#10 equivalent, key selection criteria include its 64-pin LQFP-0.65 mm package, 512 KB code flash with 1 KB block erase, integrated RTC with calendar/alarm, dual 8-channel 16-bit timer array (TAU), and support for LIN-bus UART channels in industrial temperature grade (−40°C to +85°C).
Technical Context
The R5F104LFAFA#10 implements the RL78 CPU core with CISC architecture, 3-stage pipeline, and configurable instruction timing (0.03125 µs min @ 32 MHz to 30.5 µs @ 32.768 kHz). It integrates a Data Transfer Controller (DTC) supporting normal, repeat, and block transfer modes triggered by 19–26 event sources via the Event Link Controller (ELC).
It features a 10-bit A/D converter with up to 20 analog inputs, internal 1.45 V reference and temperature sensor, dual 8-bit D/A outputs (0–VDD), two comparators with window/high-speed/low-speed modes, and hardware CRC calculation unit - all operating across −40°C to +85°C ambient range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline and multiply/divide/accumulate instructions |
| Max Operating Frequency | 32 MHz (44 DMIPS); high-speed on-chip oscillator selectable from 1–64 MHz with ±1.0% accuracy |
| Memory Configuration | 512 KB code flash (1 KB blocks), 8 KB data flash, 48 KB RAM - supports background operation during data flash rewrite |
| Power Consumption | 66 μA/MHz active mode; 0.60 μA in STOP mode with RTC + LVD enabled |
| Analog Peripherals | 10-bit A/D converter (20 ch), dual 8-bit D/A (0–VDD output), two comparators with internal/external reference selection |
| Serial Interfaces | 3–4 UART/LIN channels, 3–8 CSI (SPI-compatible), 4–10 I²C/simplified I²C channels |
| Timers & Clock | Timer Array Unit (TAU) with 8 channels, 12-bit interval timer, calendar RTC (99-year), watchdog timer with dedicated low-speed oscillator |
Pinout & Package
Package: 64-pin LQFP, 12 × 12 mm, 0.65 mm pitch (PLQP0064JA-A / PLQP0064JB-A).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00–P01 | General-purpose I/O / Analog input (ANI16–17) | Support TTL input buffer, N-ch open drain, on-chip pull-up; enable 1.8/2.5/3 V interface compatibility |
| P10–P17 | Multi-function serial I/O (CSI, UART, I²C, TRDIO) | Configurable peripheral assignment via PIOR0/1 registers; includes LIN-bus UART support on P13/P14 |
| P20–P27 | Analog input group (ANI0–7) / AVREFP/AVREFM | 10-bit A/D inputs with internal 1.45 V reference and temperature sensor; differential measurement capable |
| P30–P31 | Interrupt/timer I/O (INTP3/INTP4, TI03/TO03) | Edge-triggered interrupts with debounce; PWM-capable timer outputs for motor control or LED dimming |
| P60–P62 | I²C/SPI/SSI interfaces (SCLA0/SDAA0/SSI00) | Dedicated hardware I²C master/slave (SCLA0/SDAA0) and synchronous serial interface (SSI00) for sensor hub connectivity |
| P121–P122 | Crystal oscillator inputs (X1/X2) | Support external 32.768 kHz crystal for RTC accuracy or high-frequency crystal up to 20 MHz |
| RESET, REGC, VDD, VSS | Power/reset management | On-chip POR and LVD with 14-level interrupt/reset selection; REGC requires 0.47–1 µF capacitor to VSS |
Key Features
| Feature | Design Value |
|---|---|
| SNOOZE mode operation | Enables low-latency wake-up from STOP mode using UART or timer events while retaining RAM and register contents |
| Self-programming flash | Supports boot swapping and flash shield window for secure firmware updates without external programmer |
| Event Link Controller (ELC) | Direct hardware linking of 19–26 peripheral events (e.g., ADC EOC → DTC trigger) eliminates CPU overhead |
| Background data flash rewrite | Executes program code from flash while rewriting data flash - enables real-time logging without interruption |
| Real-time D/A output | 8-bit DAC outputs update synchronously with timer events for precise waveform generation (e.g., buzzer tone, sensor calibration) |
Applications
| Industrial Sensor Node | Smart Thermostat Control |
|---|---|
Use Scenario: Battery-powered wireless temperature/humidity sensor node with local display and BLE gateway interface. IC Role / Device Role / Timing Role: Main controller managing sensor acquisition (10-bit A/D), RTC-based sampling schedule, LIN/UART communication to gateway, and low-power state transitions. Use Value: 0.60 μA STOP mode extends 2× AA battery life beyond 5 years; integrated temperature sensor and 1.45 V reference eliminate external components. | Use Scenario: Residential HVAC thermostat with touch UI, local relay control, and cloud connectivity via Wi-Fi module. IC Role / Device Role / Timing Role: System manager handling button/key scan (key interrupt function), display refresh (PCLBUZ0/1), relay timing (TAU PWM), and UART command parsing for Wi-Fi module. Use Value: Dual 8-channel TAU provides independent PWM for fan speed and valve actuation; 48 KB RAM accommodates UI stack and network buffers. |
| Programmable Logic Controller (PLC) I/O Module | Medical Infusion Pump Controller |
Use Scenario: DIN-rail mounted digital I/O expansion module for small-scale PLC systems with isolated inputs/outputs. IC Role / Device Role / Timing Role: Interface processor converting fieldbus commands (LIN/UART) into GPIO states, monitoring opto-isolated inputs, and generating precise pulse-width outputs. Use Value: 20-channel A/D supports analog sensor inputs; DTC offloads burst data transfers from CPU, freeing cycles for safety checks. | Use Scenario: Portable infusion pump requiring precise motor control, battery monitoring, and alarm generation under IEC 62304 Class B compliance. IC Role / Device Role / Timing Role: Safety-critical controller executing motor sequencing (TAU PWM), battery voltage monitoring (A/D), buzzer alerts (D/A + PCLBUZ), and watchdog supervision. Use Value: On-chip BCD correction ensures accurate timekeeping for dose logging; LVD with 14-level threshold enables graded battery warning before shutdown. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F104LGAFA#10 | Same 64-pin LQFP-0.65 mm package, 512 KB flash, but rated for industrial temp (−40°C to +105°C) and includes 2× D/A channels vs. 0 in R5F104LFAFA#10 | Required where extended temperature operation or dual analog outputs are mandatory (e.g., automotive cabin modules) | Select when ambient exceeds +85°C or dual D/A needed; otherwise identical peripheral set and software compatibility |
| R5F104LHAFA#10 | Same package and memory, but adds 2× comparator channels and removes one UART channel; retains full TAU, A/D, and RTC functionality | Preferred for designs needing analog window-comparator functions (e.g., overvoltage/undervoltage detection) with reduced serial interface count | Choose when comparator-based fault detection is critical and one UART is unused; no PCB change required |
Compared with R5F104LFAFA#10, R5F104LGAFA#10 extends thermal range and adds D/A capability for analog actuation, while R5F104LHAFA#10 trades one UART for dual comparators - enabling tighter analog monitoring without increasing footprint or firmware porting effort.
Availability
R5F104LFAFA#10 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart thermostat control units, and programmable logic controller I/O modules requiring stable component supply, long-term lifecycle support, and guaranteed traceability.
Supply support for R5F104LFAFA#10 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 industrial, automotive, and IoT markets.
The RL78/G14 product line delivers true low-power 16-bit MCUs optimized for cost-sensitive, battery-operated, and industrial control applications requiring high integration, robust timing, and long-term supply assurance.
FAQ
What is the operating temperature range for the R5F104LFAFA#10?
The R5F104LFAFA#10 is specified for industrial applications with an operating ambient temperature range of −40°C to +85°C. This rating is confirmed in the ordering information section of the RL78/G14 datasheet (R01DS0053EJ0370), where the "A" suffix in the part number denotes consumer/industrial grade at this temperature span. No derating is required within this range.
Does the R5F104LFAFA#10 include a hardware RTC with calendar function?
Yes, the R5F104LFAFA#10 integrates a real-time clock (RTC) with full calendar support (year/month/day/hour/minute/second), alarm function, and clock correction capability. It operates independently in STOP mode with only 0.60 μA current draw when powered by VDD, and accepts 32.768 kHz crystal or sub-system clock input via P121/P122 pins.
How many UART/LIN channels does the R5F104LFAFA#10 support?
The R5F104LFAFA#10 supports four UART channels, all with LIN-bus protocol capability. These are implemented on pins P13/P14 (UART2), P15/P16 (UART3), P17/P00 (UART1), and P01/P30 (UART0), as documented in the pin configuration tables for 64-pin LQFP packages in the RL78/G14 datasheet.
What is the maximum A/D conversion resolution and channel count on the R5F104LFAFA#10?
The R5F104LFAFA#10 features a 10-bit successive approximation A/D converter with up to 20 analog input channels (ANI0–ANI19). Input voltage range is 0 to VDD (1.6–5.5 V), and it includes an internal 1.45 V reference voltage and on-die temperature sensor - both accessible without external components.
Is the R5F104LFAFA#10 pin-compatible with other RL78/G14 64-pin variants?
Yes, the R5F104LFAFA#10 shares identical pinout and package (64-pin LQFP, 0.65 mm pitch) with all other RL78/G14 devices in the same pin-count family - including R5F104LGAFA#10 and R5F104LHAFA#10. Pin assignments for power, reset, clocks, and primary peripherals are fully consistent across these variants per the RL78/G14 datasheet Figure 1-12.
R5F104LFAFA#10 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- RL78/G14
- Packaging:
- Tray
- Product Status:
- Active
- 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:
- 48
- Program Memory Size:
- 96KB (96K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 12K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 12x8/10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F104LFAFA#10 FAQ
1.How can I place an order for R5F104LFAFA#10 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F104LFAFA#10 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 R5F104LFAFA#10 reliable?
The price and inventory of R5F104LFAFA#10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F104LFAFA#10 is usually 5 days.
3.What payment methods are accepted for R5F104LFAFA#10?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F104LFAFA#10 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F104LFAFA#10?
R5F104LFAFA#10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F104LFAFA#10 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 R5F104LFAFA#10?
For technical support, including R5F104LFAFA#10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F104LFAFA#10 requirements.
6.How does Aetrix verify that R5F104LFAFA#10 is sourced from the original manufacturer or authorized distributors?
All R5F104LFAFA#10 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 R5F104LFAFA#10 meets industry standards.
7.What is the process for return or replacement of R5F104LFAFA#10?
All R5F104LFAFA#10 units undergo pre-shipment inspection (PSI). If there is an issue with R5F104LFAFA#10, 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 R5F104LFAFA#10 part is unused and in its original packaging.
Return procedure for R5F104LFAFA#10:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F104LFAFA#10 Tags
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