Renesas R5F52108CDFF#H0
- Part No.:
- R5F52108CDFF#H0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
R5F52108CDFF#H0.pdf
- Description:
- RX210 MCU 512K+8K/64K 80LQFP 14X
- Quantity:
- Payment:

- Shipping:

Inventory:2,663
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Product details
Overview
R5F52108CDFF#H0 from Renesas Electronics is a 32-bit RX CPU-based microcontroller operating at up to 50 MHz (78 DMIPS), featuring 512 KB on-chip flash, 64 KB SRAM, 8 KB data flash, 12-bit A/D converter (16 channels), 10-bit D/A converter (2 channels), RTC, ELC, MPC, and IEC60730-compliant safety functions - deployed in industrial control panels requiring deterministic real-time response and functional safety.
For engineers reviewing the R5F52108CDFF#H0 datasheet, R5F52108CDFF#H0 pinout, R5F52108CDFF#H0 application, or R5F52108CDFF#H0 equivalent, key selection criteria include its 80-pin LQFP-0.65mm package with 5-V-tolerant I/O, deep software standby mode with RTC wake-up, and support for up to 15 communication channels including SCI, I²C, and RSPI.
Technical Context
The R5F52108CDFF#H0 implements a CISC Harvard architecture with 5-stage pipeline and variable-length instructions, enabling ultra-compact code and single-cycle 32×32-bit multiplication. Its on-chip debugging circuit supports FINE interface via E1 emulator.
It integrates dual clock domains: system clock (ICLK) up to 50 MHz for CPU execution, and peripheral module clock (PCLK) up to 32 MHz for timers and communication peripherals - with independent clock accuracy measurement (CAC) and oscillation stop detection for robust timing integrity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RX 32-bit, 50 MHz max, 78 DMIPS - delivers deterministic real-time performance for control loops and protocol stacks. |
| Flash Memory | 512 KB, zero-wait-state operation at 50 MHz - enables full-speed instruction fetch without pipeline stalls. |
| SRAM | 64 KB, zero-wait-state access - supports large buffers for communication stacks and real-time data processing. |
| A/D Converter | 12-bit, 16-channel, 1 μs conversion time - suitable for high-fidelity sensor acquisition in motor control and power monitoring. |
| D/A Converter | 10-bit × 2 channels, 0 V to VREFH output - provides analog actuator drive or calibration reference generation. |
| Operating Temp. | −40°C to +85°C - qualified for industrial ambient environments without derating. |
| Package | 80-pin LQFP, 14 × 14 mm, 0.65-mm pitch - compatible with standard SMT reflow and manual inspection workflows. |
Pinout & Package
Package: PLQP0080JA-A - 80-pin LQFP, 14 × 14 mm body, 0.65-mm lead pitch, exposed pad for thermal dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | Supports 1.62–5.5 V operation; decoupling required per Renesas layout guidelines for noise immunity. |
| XTAL, EXTAL | Main clock oscillator input/output | Accepts external crystal up to 20 MHz; enables precise timing for communication baud rates and RTC synchronization. |
| RTC_CLK | Sub-clock input | Connects 32.768 kHz crystal for battery-backed real-time calendar and alarm functions. |
| P00–P77 | General-purpose I/O | 5-V tolerant on selected pins (P00–P03); configurable pull-up, open-drain, and driving strength per MPC register. |
| SCI0_TXD, SCI0_RXD | Asynchronous serial interface | Hardware UART with programmable baud rate generator - used for host diagnostics or firmware updates. |
Key Features
| Feature | Design Value |
|---|---|
| Event Link Controller (ELC) | Direct hardware-triggered peripheral activation without CPU intervention - reduces latency in time-critical responses like fault shutdown. |
| Multi-function Pin Controller (MPC) | Runtime remapping of peripheral functions across multiple pins - simplifies PCB layout and enables flexible signal routing. |
| IEC60730 Safety Support | Integrated self-test for A/D, IWDT, CAC, and RAM - reduces external diagnostic hardware and accelerates Class B compliance certification. |
| Deep Software Standby Mode | RTC remains active while CPU and most peripherals are powered down - achieves sub-10 µA current draw for battery-powered applications. |
| Data Flash Endurance | 100,000 erase/program cycles - enables reliable field firmware updates and parameter storage without external EEPROM. |
Applications
| Industrial Motor Control | Smart Energy Metering |
|---|---|
Use Scenario: Closed-loop speed and torque regulation in BLDC/PMSM drives using PWM outputs and current-sense ADC sampling. IC Role / Device Role / Timing Role: Real-time controller executing FOC algorithms with synchronized 12-bit ADC sampling and complementary PWM generation via MTU2. Use Value: Sub-microsecond ADC conversion and event-triggered PWM update enable precise current vector control at 20 kHz switching frequency. | Use Scenario: Accurate energy consumption measurement with harmonic analysis and tamper detection in DIN-rail meters. IC Role / Device Role / Timing Role: System-on-chip managing metrology ADC interface, RTC-based billing intervals, secure firmware updates, and RS485/PLC communication. Use Value: Integrated 12-bit ADC with sample-and-hold and self-diagnostic meets IEC62053-22 Class 0.5S accuracy requirements without external calibration components. |
| Building Automation Controller | Medical Diagnostic Equipment |
Use Scenario: HVAC zone controller integrating temperature/humidity sensing, valve actuation, and BACnet/IP communication. IC Role / Device Role / Timing Role: Central MCU coordinating multi-sensor fusion, PID loop execution, and dual-protocol (SCI + RIIC) peripheral management. Use Value: ELC-triggered timer events synchronize sensor reads and actuator updates within 100 ns jitter - critical for stable thermal regulation. | Use Scenario: Portable ultrasound front-end controller handling transducer pulsing, echo digitization, and display interface. IC Role / Device Role / Timing Role: Timing-critical sequencer generating precise pulse trains (via TMR), capturing echo data (via S12AD), and buffering results in SRAM. Use Value: 1 μs ADC conversion time and DMA-accelerated data transfer to memory ensure >15 MHz effective sampling for RF echo processing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F52108ADFF#V0 | Chip version A; lacks RTC and TPU timer unit; only 48 I/O pins vs. 64 on R5F52108CDFF#H0. | Not suitable for RTC-dependent scheduling or encoder-based motion control. | Select only if cost sensitivity outweighs need for real-time calendar and extended timer functionality. |
| R5F52108BDFB#30 | Chip version B in 144-pin LQFP; adds external bus interface, 16-bit TPU, and 122 I/O - but larger footprint and higher power. | Required for systems needing external memory expansion or high-channel-count motor control. | Choose when scaling beyond 80-pin I/O count or requiring external parallel bus connectivity. |
Compared with R5F52108ADFF#V0 and R5F52108BDFB#30, the R5F52108CDFF#H0 delivers optimal balance of RTC-enabled time-aware control, compact 80-pin packaging, and full peripheral feature set - making it ideal for space-constrained industrial controllers where functional safety and low-power standby are mandatory.
Availability
R5F52108CDFF#H0 is available at Aetrix Electronics and suitable for industrial motor control, smart metering, building automation, and medical diagnostic equipment requiring stable component supply and long-term lifecycle assurance.
Supply support for R5F52108CDFF#H0 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 RX210 Group, including R5F52108CDFF#H0, was designed for cost-sensitive industrial applications demanding functional safety (IEC60730), real-time determinism, and low-power operation across extended temperature ranges.
FAQ
What is the maximum operating frequency and core performance of the R5F52108CDFF#H0?
The R5F52108CDFF#H0 operates at a maximum frequency of 50 MHz and delivers 78 DMIPS of processing performance. Its 32-bit RX CPU core features a 5-stage pipeline, variable-length instructions, and single-cycle 32×32-bit multiplication - enabling efficient execution of real-time control algorithms and communication stacks. The R5F52108CDFF#H0 maintains zero-wait-state flash access at full speed, ensuring consistent instruction throughput.
Does the R5F52108CDFF#H0 support functional safety standards such as IEC60730?
Yes, the R5F52108CDFF#H0 integrates dedicated hardware features for IEC60730 Class B compliance, including self-diagnostic functions for the A/D converter, clock frequency accuracy measurement (CAC), independent watchdog timer (IWDT), and RAM test assistance. These capabilities reduce external diagnostic circuitry and accelerate certification - a key advantage of the R5F52108CDFF#H0 in safety-critical industrial applications.
What package type and pin count does the R5F52108CDFF#H0 use?
The R5F52108CDFF#H0 uses the PLQP0080JA-A package: an 80-pin LQFP with 14 × 14 mm body size and 0.65-mm lead pitch. This package provides 64 general-purpose I/O pins, including 5-V-tolerant capability on P00–P03, and supports standard surface-mount assembly processes. The R5F52108CDFF#H0's pinout is documented in Renesas Application Note R01AN1309.
Can the R5F52108CDFF#H0 operate from a single low-voltage supply?
Yes, the R5F52108CDFF#H0 operates from a single supply ranging from 1.62 V to 5.5 V. At 1.62–1.8 V, it supports up to 20 MHz operation; at 1.8–2.7 V, up to 32 MHz; and at 2.7–5.5 V, full 50 MHz performance. This wide voltage range allows direct integration with diverse power architectures - including battery-backed systems and legacy 3.3 V/5 V rails - without level-shifting for the R5F52108CDFF#H0.
What communication interfaces are integrated into the R5F52108CDFF#H0?
The R5F52108CDFF#H0 integrates up to 15 communication channels: 12 SCI (asynchronous/clock-synchronous/smart card), 1 I²C (RIIC, up to 400 kbps), and 1 RSPI (up to 16 Mbps). It also supports Simple IIC/SPI modes and master/slave operation on SCId and RSPI. These interfaces enable robust connectivity in industrial networks - a defining capability of the R5F52108CDFF#H0 for multi-protocol gateway and sensor hub designs.
R5F52108CDFF#H0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 80-LQFP
- Series:
- RX200
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- RX
- Core Size:
- 32-Bit
- Speed:
- 50MHz
- Connectivity:
- I2C, IrDA, SCI, SPI, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 64
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 64K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.62V ~ 5.5V
- Data Converters:
- A/D 14x12b; D/A 2x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F52108CDFF#H0 FAQ
1.How can I place an order for R5F52108CDFF#H0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F52108CDFF#H0 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 R5F52108CDFF#H0 reliable?
The price and inventory of R5F52108CDFF#H0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F52108CDFF#H0 is usually 5 days.
3.What payment methods are accepted for R5F52108CDFF#H0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F52108CDFF#H0 transactions.
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4.How is shipping managed for R5F52108CDFF#H0?
R5F52108CDFF#H0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F52108CDFF#H0 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 R5F52108CDFF#H0?
For technical support, including R5F52108CDFF#H0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F52108CDFF#H0 requirements.
6.How does Aetrix verify that R5F52108CDFF#H0 is sourced from the original manufacturer or authorized distributors?
All R5F52108CDFF#H0 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 R5F52108CDFF#H0 meets industry standards.
7.What is the process for return or replacement of R5F52108CDFF#H0?
All R5F52108CDFF#H0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F52108CDFF#H0, 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 R5F52108CDFF#H0 part is unused and in its original packaging.
Return procedure for R5F52108CDFF#H0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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