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Renesas R5F104BDDFP#X0
- Part No.:
- R5F104BDDFP#X0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 32-LQFP
- Datasheet:
-
R5F104BDDFP#X0.pdf
- Description:
- IC MCU 16BIT 48KB FLASH 32LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,810
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Product details
Overview
R5F104BDDFP#X0 from Renesas is a 32-bit RL78/G14 microcontroller with 48 KB flash, 4 KB data flash, and 5.5 KB RAM, operating at 32 MHz (44 DMIPS), supporting 1.6–5.5 V supply and -40 to +85°C industrial temperature range. It integrates UART, I²C, SPI, 10-bit ADC (12 channels), RTC, and ultra-low-power HALT/STOP/SNOOZE modes for battery-powered sensor nodes and industrial control interfaces.
For engineers reviewing the R5F104BDDFP#X0 datasheet, R5F104BDDFP#X0 pinout, R5F104BDDFP#X0 application, or R5F104BDDFP#X0 equivalent, key selection criteria include its LQFP-32 package with 0.8 mm pitch, industrial-grade temperature rating (D-suffix), on-chip debug support, and verified compatibility with Renesas' CS+ and e² studio toolchains.
Technical Context
The R5F104BDDFP#X0 implements the RL78 CPU core with 3-stage pipeline, supporting instruction execution times from 0.03125 μs (32 MHz) to 30.5 μs (32.768 kHz). It features a configurable peripheral I/O redirection register (PIOR0/1) enabling flexible pin assignment for UART, I²C, and timer functions without hardware redesign.
Its power architecture includes dedicated low-speed on-chip oscillator for watchdog and RTC operation, independent voltage detector (LVD) with 14 interrupt/reset levels, and background operation (BGO) for data flash rewriting while executing code from main flash-enabling seamless firmware updates in field-deployed devices.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 32-bit CISC with 3-stage pipeline, 44 DMIPS @ 32 MHz |
| Flash Memory | 48 KB code flash + 4 KB data flash; supports self-programming and boot swap |
| RAM | 5.5 KB on-chip SRAM; includes dedicated flash library RAM area starting at FE900H |
| ADC | 10-bit resolution, 12 analog input channels, internal 1.45 V reference and temperature sensor |
| Operating Voltage | 1.6–5.5 V single supply; enables direct interface with 1.8/2.5/3.3 V peripherals |
| Temperature Range | -40 to +85°C (industrial D-grade); qualified for extended thermal cycling in factory automation |
| Low-Power Modes | HALT (66 μA/MHz), STOP (0.60 μA with RTC+LVD active), SNOOZE (selective peripheral wake-up) |
Pinout & Package
Package: 32-pin LQFP (7 × 7 mm, 0.8 mm pitch), lead-free, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00 | TxD1 / TI00 / TRGCLKA | Primary UART transmit; configurable as timer input or trace clock for debug synchronization |
| P01 | RxD1 / TO00 / TRGCLKB | Primary UART receive; configurable as timer output or trace clock for multi-core trace correlation |
| P10–P17 | CSI11/UART2/I²C11/Timer/INTP | Multiplexed serial and timing interfaces; assigned via PIOR0/1 registers for layout reuse across variants |
| P30–P31 | RTC1HZ / SCK00 / TI03 / TO03 | Dedicated real-time clock output and SPI master clock; supports precise time-stamped sensor sampling |
| P50–P51 | RxD0/TxD0/SI00/SO00/TRGIOA/B | On-chip debug UART and SPI; enables in-system programming without external debug probe |
| RESET | Active-low reset input | Accepts external reset signal or internal POR/LVD assertion; debounced internally |
| REGC | Regulator bypass capacitor | Requires 0.47–1 μF capacitor to VSS for stable internal voltage regulator operation |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | 0.60 μA in STOP mode with RTC + LVD active-enables >10-year battery life in wireless sensors |
| Background data flash rewrite | BGO allows concurrent code execution and 1M-cycle endurance data logging without system stall |
| Peripheral I/O redirection | PIOR0/1 registers remap UART, I²C, and timer functions to alternate pins-reduces PCB redesign effort |
| On-chip debug & self-programming | Fully integrated debug interface and flash shield window-eliminates need for external programmer in production |
| Multi-voltage I/O | Supports 1.8/2.5/3.3 V logic interfaces directly-avoids level-shifters in mixed-voltage systems |
Applications
| Industrial Sensor Node | Smart Meter Interface |
|---|---|
Use Scenario: Battery-powered temperature/humidity node transmitting data via UART-to-LoRaWAN gateway. IC Role / Device Role / Timing Role: Main controller managing ADC sampling, RTC-triggered wake-up, and UART framing. Use Value: 0.60 μA STOP current extends 2xAA battery life beyond 7 years; BGO enables secure OTA parameter updates. | Use Scenario: Pulse-counting interface between mechanical meter and PLC over RS-485. IC Role / Device Role / Timing Role: Isolated UART bridge with galvanic isolation driver control and error-checking logic. Use Value: 12-channel ADC monitors auxiliary voltages; LVD interrupt triggers graceful shutdown during brownout. |
| Factory HMI Panel | Energy Monitoring Module |
Use Scenario: Touch-button control panel with LED feedback and buzzer alerts in packaging machinery. IC Role / Device Role / Timing Role: Input scanner and output driver for 8 tactile buttons and 4 status LEDs. Use Value: On-chip PCLBUZ0/1 generates audible tones; N-ch open-drain I/O drives LEDs directly at 6 V tolerance. | Use Scenario: DIN-rail mounted module measuring AC line voltage/current using shunt and isolators. IC Role / Device Role / Timing Role: Precision ADC acquisition engine with 10-bit resolution and internal 1.45 V reference. Use Value: Temperature sensor compensates ADC gain drift; RTC timestamps each energy-integration cycle. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F104BEAFP#V0 | Same 32-pin LQFP package, but A-grade (-40 to +85°C consumer) and 64 KB flash/5.5 KB RAM | Suitable for cost-sensitive consumer appliances where extended qualification is not required | Select when higher flash capacity is needed without industrial temp grade |
| R5F104BDFA#V0 | 32-pin HWQFN (5×5 mm, 0.5 mm pitch), same 48 KB flash/4 KB data flash, but different pinout and thermal profile | Better suited for space-constrained designs requiring lower profile and improved thermal dissipation | Select when board area is constrained and re-layout for QFN is acceptable |
Compared with R5F104BDDFP#X0, R5F104BEAFP#V0 offers +16 KB flash for larger firmware but lacks industrial qualification; R5F104BDFA#V0 reduces footprint by 55% and improves thermal resistance by 30%, yet requires PCB redesign due to incompatible pin mapping.
Availability
R5F104BDDFP#X0 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart meter interfaces, and factory HMI panels requiring stable component supply, long-term lifecycle assurance, and full Renesas toolchain support.
Supply support for R5F104BDDFP#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, and power solutions for automotive, industrial, and IoT markets.
The RL78/G14 product line delivers true low-power performance for general-purpose industrial control, targeting applications needing high integration, robust qualification, and seamless toolchain compatibility.
FAQ
What is the maximum operating frequency and corresponding DMIPS rating of the R5F104BDDFP#X0?
The R5F104BDDFP#X0 operates at up to 32 MHz with a measured performance of 44 DMIPS. This value is derived from the RL78 CPU core's 3-stage pipeline and optimized instruction set, validated under worst-case voltage (1.6 V) and temperature (-40°C) conditions per Renesas DS0053EJ0340. The R5F104BDDFP#X0 achieves this without external clock multiplication, relying solely on its high-accuracy on-chip oscillator.
Does the R5F104BDDFP#X0 support in-application programming (IAP) of its data flash memory?
Yes, the R5F104BDDFP#X0 supports background operation (BGO) for data flash rewriting, allowing code execution from main flash while simultaneously updating data flash. The R5F104BDDFP#X0 guarantees 1,000,000 write cycles at VDD = 1.8–5.5 V, with dedicated flash library RAM starting at address FE900H. This capability is confirmed in Section 1.1 "Features" and Table "ROM, RAM capacities" of DS0053EJ0340.
What are the supported serial communication interfaces on the R5F104BDDFP#X0?
The R5F104BDDFP#X0 integrates three UART channels (including LIN-bus support), up to ten I²C/simplified I²C channels, and three to eight CSI (Renesas' SPI-compatible interface) channels. Pin assignments for these interfaces are configurable via the peripheral I/O redirection registers (PIOR0/1), enabling flexible routing on the 32-pin LQFP package. All interfaces operate across the full 1.6–5.5 V supply range.
How does the R5F104BDDFP#X0 handle power supply regulation and brown-out detection?
The R5F104BDDFP#X0 integrates an on-chip power-on-reset (POR) circuit and a configurable voltage detector (LVD) with 14 selectable threshold levels. The LVD can generate either interrupts or resets, and its operation is independent of the main system clock. A mandatory 0.47–1 μF capacitor must be placed between the REGC pin and VSS to stabilize the internal regulator-this requirement is explicitly called out in the pin configuration diagrams for all 32-pin variants.
Is the R5F104BDDFP#X0 pin-compatible with other RL78/G14 variants in the same LQFP-32 package?
No-pin compatibility is limited to identical suffix variants (e.g., R5F104BxxFP#X0). The R5F104BDDFP#X0 shares the same 32-pin LQFP-0.8 mm package footprint and pinout with R5F104BA/BC/BE/BF/BG variants, but differs from R5F104BDFA#V0 (HWQFN) and R5F104BDDNA#U0 (HWQFN). Pin function mapping is consistent across D-suffix LQFP-32 parts, as confirmed in Tables 1-1 and Figure 1.3.2 of DS0053EJ0340.
R5F104BDDFP#X0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 32-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:
- 22
- Program Memory Size:
- 48KB (48K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 5.5K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 8x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F104BDDFP#X0 FAQ
1.How can I place an order for R5F104BDDFP#X0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F104BDDFP#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 R5F104BDDFP#X0 reliable?
The price and inventory of R5F104BDDFP#X0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F104BDDFP#X0 is usually 5 days.
3.What payment methods are accepted for R5F104BDDFP#X0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F104BDDFP#X0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F104BDDFP#X0?
R5F104BDDFP#X0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F104BDDFP#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 R5F104BDDFP#X0?
For technical support, including R5F104BDDFP#X0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F104BDDFP#X0 requirements.
6.How does Aetrix verify that R5F104BDDFP#X0 is sourced from the original manufacturer or authorized distributors?
All R5F104BDDFP#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 R5F104BDDFP#X0 meets industry standards.
7.What is the process for return or replacement of R5F104BDDFP#X0?
All R5F104BDDFP#X0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F104BDDFP#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 R5F104BDDFP#X0 part is unused and in its original packaging.
Return procedure for R5F104BDDFP#X0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F104BDDFP#X0 Tags
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