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Renesas R5F523E6ADFL#50
- Part No.:
- R5F523E6ADFL#50
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R5F523E6ADFL#50.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 48LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,885
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Product details
Overview
R5F523E6ADFL#50 from Renesas is a 32-bit RXv2 core MCU optimized for high-precision industrial sensor measurement, integrating two 24-bit delta-sigma ADCs (DSAD0/DSAD1), rail-to-rail programmable gain instrumentation amplifiers (gain = 1–128), 2.5 V low-drift voltage reference (10 ppm/°C), and four excitation current sources (50–1000 µA). It operates at 32 MHz, delivers 64 DMIPS, includes 256 KB flash, 32 KB SRAM, and 8 KB data flash, and targets thermocouple/RTD-based temperature monitoring systems requiring IEC60730 compliance.
For engineers reviewing the R5F523E6ADFL#50 datasheet, R5F523E6ADFL#50 pinout, R5F523E6ADFL#50 application, or R5F523E6ADFL#50 equivalent, this device supports simultaneous 50/60 Hz rejection at 10/54 SPS, offers on-chip self-diagnostic functions for A/D converters and clock accuracy, and provides ELC-triggered synchronized conversion start across dual DSAD units - critical for multi-sensor metrology designs.
Technical Context
The R5F523E6ADFL#50 implements a CISC Harvard architecture with 5-stage pipeline and variable-length instructions, enabling ultra-compact code and fast interrupt response. Its dual 24-bit delta-sigma ADCs use fourth-order sinc filters, support differential/pseudo-differential inputs, and operate in Normal (7.6–15625 SPS) or Low Power (1.9–3906 SPS) modes with offset drift of 10 nV/°C and gain drift of 1 ppm/°C at gain = 128.
It integrates a dedicated analog front end including bias voltage generator (VBIAS = (AVCC0 + AVSS0)/2), low-side switch (10 Ω max), voltage detector for AVCC0 and reference disconnection, and excitation current source disconnect detection. The MCU supports CAN 2.0B (1 Mbps), SCI (asynchronous/clock-sync/Smart Card), I²C (400 kbps), RSPI (16 Mbps), and ELC-driven event chaining without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv2 32-bit, 32 MHz max, 64 DMIPS, IEEE 754-compliant FPU, MPU, and fast interrupt capability |
| ADC Performance | Two 24-bit delta-sigma ADCs; 23-bit effective resolution at 7.6 SPS, simultaneous 50/60 Hz rejection at 10/54 SPS |
| Analog Front End | Rail-to-rail PGA (×1–×128), 2.5 V reference (10 ppm/°C), four excitation current sources (50–1000 µA, ±0.2% matching) |
| Memory | 256 KB on-chip flash (no wait states at 32 MHz), 32 KB SRAM, 8 KB data flash (1M program/erase cycles) |
| Operating Range | 1.8–5.5 V supply; –40°C to +85°C ambient; 48-pin LFQFP (PLQP0048KB-B, 7 × 7 mm, 0.5 mm pitch) |
| Communication | CAN (1 channel, ISO11898-1, 1 Mbps), SCI (4 channels), I²C (1 channel, 400 kbps), RSPI (1 channel, 16 Mbps) |
| IEC60730 Support | Built-in self-test for A/D converter, clock frequency accuracy measurement (CAC), IWDT, RAM test assistance via DOC |
Pinout & Package
Package: 48-pin LFQFP (PLQP0048KB-B), 7 × 7 mm body, 0.5 mm pitch, exposed pad not specified. Pinout validated per Renesas R01DS0330EJ0130 Rev.1.30, Pages 11–14.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AIN0–AIN11 | Analog input multiplexer terminals | Support up to six differential or 11 single-ended inputs to dual DSAD units; configurable per-channel sampling time |
| REF0P/REF0N, REF1P/REF1N | Delta-sigma ADC reference inputs | Enable external reference selection per DSAD unit; internal 2.5 V reference available via REFOUT |
| IEXC0–IEXC3 | Excitation current source outputs | Four programmable current sources (50–1000 µA); ±0.2% matching and 5 ppm/°C drift matching for RTD/bridge sensing |
| LSW | Low-side switch output | 10 Ω max on-resistance, 30 mA max current; used for sensor excitation switching and fault isolation |
| CRXD0 / CTXD0 | CAN transceiver interface | Dedicated differential CAN bus pins compliant with ISO11898-1; support standard/extended frames up to 1 Mbps |
| MTIOC0A–MTIOC4D | Multi-function timer waveform I/O | Six 16-bit MTU channels with PWM, complementary PWM, phase counting, and A/D trigger generation |
Key Features
| Feature | Design Value |
|---|---|
| Dual 24-bit delta-sigma ADCs with sinc⁴ filtering | Enables simultaneous high-resolution measurement of two independent sensor channels with 50/60 Hz line-noise rejection |
| Rail-to-rail programmable gain instrumentation amplifier | Eliminates external signal conditioning for microvolt-level thermocouple or bridge outputs across full gain range (×1–×128) |
| On-chip 2.5 V voltage reference with 10 ppm/°C drift | Provides stable reference for both DSAD units and S12AD, reducing BOM count and improving system-level accuracy over temperature |
| Event Link Controller (ELC) with 56 event sources | Allows autonomous, CPU-free synchronization of A/D conversion start, timer capture, and peripheral operation during sleep modes |
| IEC60730-compliant self-diagnostic functions | Hardware-assisted RAM test, A/D disconnect detection, clock accuracy monitoring, and IWDT diagnostics reduce functional safety validation effort |
Applications
| Industrial Temperature Transmitter | High-Accuracy Load Cell Interface |
|---|---|
|
Use Scenario: DIN-rail mounted transmitter converting RTD or thermocouple signals to 4–20 mA or digital output (HART/Modbus). IC Role / Device Role / Timing Role: Primary measurement controller performing cold-junction compensation, linearization, and IEC60730 diagnostics. Use Value: Dual DSAD units enable simultaneous reference and sensor measurements; excitation current sources and LSW support 2-/3-/4-wire RTD configurations without external switches. |
Use Scenario: Precision weighing system measuring strain-gauge bridge outputs in packaging or process control equipment. IC Role / Device Role / Timing Role: Analog front-end processor handling ratiometric excitation, PGA gain scaling, and noise-rejecting delta-sigma conversion. Use Value: 23-bit effective resolution at 7.6 SPS and 10 nV/°C offset drift ensure sub-0.01% full-scale accuracy across industrial temperature ranges. |
| Programmable Logic Controller (PLC) Analog Input Module | Energy Meter Sensor Hub |
|
Use Scenario: Modular PLC backplane card acquiring multiple temperature, pressure, or flow sensor inputs with field-replaceable configuration. IC Role / Device Role / Timing Role: Multi-channel sensor acquisition SoC managing time-synchronized sampling, calibration storage, and CAN-based fieldbus communication. Use Value: ELC-linked A/D triggers and dual DSAD units allow deterministic, jitter-free sampling across up to 12 analog inputs using shared resources. |
Use Scenario: Smart meter subsystem aggregating voltage, current, and temperature data from polyphase energy measurement ICs. IC Role / Device Role / Timing Role: Secondary sensor manager monitoring auxiliary parameters (e.g., heatsink temp, supply rail stability) and validating metrology IC references. Use Value: Internal 2.5 V reference and VDET circuitry provide traceable, on-chip validation of external metrology IC reference voltages and analog inputs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-precision sensor measurement applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F523E6AGFL#30 | Same silicon, extended temperature grade (–40°C to +105°C); identical pinout, memory, and peripheral set | Required for under-hood automotive or high-ambient industrial enclosures where >85°C operation is needed | Select R5F523E6AGFL#30 when ambient exceeds +85°C; all firmware and layout remain unchanged. |
| ADS131M04IPBSR | Dedicated 24-bit delta-sigma ADC (quad-channel, SPI interface); no MCU, no PGA, no excitation sources | Used with external host MCU for simpler, lower-cost systems where processing is offloaded and sensor count is fixed | Choose ADS131M04IPBSR only if standalone ADC functionality suffices and host MCU handles calibration, diagnostics, and communication. |
Compared with R5F523E6AGFL#30, the R5F523E6ADFL#50 offers identical performance at lower temperature grade but reduces thermal derating margin; compared with ADS131M04IPBSR, it integrates full signal chain and real-time processing but requires embedded firmware development.
Availability
R5F523E6ADFL#50 is available at Aetrix Electronics and suitable for industrial temperature transmitters, high-accuracy load cell interfaces, and PLC analog input modules requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for R5F523E6ADFL#50 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 industrial, automotive, and IoT applications.
The RX23E-A Group - including R5F523E6ADFL#50 - was designed specifically for high-precision sensor measurement in industrial automation, targeting IEC60730-compliant systems requiring integrated delta-sigma ADCs, PGAs, excitation sources, and functional safety support.
FAQ
What is the maximum operating frequency and core architecture of the R5F523E6ADFL#50?
The R5F523E6ADFL#50 features a 32-bit RXv2 CPU core with a maximum operating frequency of 32 MHz, delivering 64 DMIPS. It uses a CISC Harvard architecture with a 5-stage pipeline, variable-length instructions, and on-chip FPU compliant with IEEE 754 single-precision floating-point standard. This architecture enables deterministic real-time execution and efficient code density for sensor signal processing tasks in the R5F523E6ADFL#50.
How many delta-sigma ADC units does the R5F523E6ADFL#50 integrate, and what is their effective resolution?
The R5F523E6ADFL#50 integrates two independent 24-bit delta-sigma ADC units (DSAD0 and DSAD1). Each achieves up to 23-bit effective resolution at 7.6 SPS with gain = 1, supported by fourth-order sinc filtering and simultaneous 50/60 Hz rejection at 10/54 SPS. Both units support differential, pseudo-differential, and single-ended inputs, with per-channel configuration for modulator clock, oversampling ratio, and operating mode.
Does the R5F523E6ADFL#50 include hardware support for IEC60730 functional safety compliance?
Yes, the R5F523E6ADFL#50 includes dedicated hardware features for IEC60730 Class B compliance: self-diagnostic functions for the A/D converter, clock frequency accuracy measurement circuit (CAC), independent watchdog timer (IWDT), RAM test assistance via the Data Operation Circuit (DOC), and analog input disconnect detection. These are implemented in hardware to minimize software overhead and improve diagnostic coverage in the R5F523E6ADFL#50.
What analog front-end peripherals are integrated into the R5F523E6ADFL#50 besides the delta-sigma ADCs?
Beyond its dual 24-bit delta-sigma ADCs, the R5F523E6ADFL#50 integrates a rail-to-rail programmable gain instrumentation amplifier (PGA, gain = 1–128), 2.5 V low-drift voltage reference (10 ppm/°C), bias voltage generator (VBIAS = (AVCC0 + AVSS0)/2), four excitation current sources (50–1000 µA, ±0.2% matching), low-side switch (10 Ω max), and analog voltage detectors for AVCC0, reference, and excitation outputs - all accessible through the AIN0–AIN11 pin set.
What package type and pin count does the R5F523E6ADFL#50 use, and is it pin-compatible with other RX23E-A variants?
The R5F523E6ADFL#50 uses a 48-pin LFQFP package (PLQP0048KB-B), 7 × 7 mm body with 0.5 mm pitch. It is pin-compatible with other 48-pin RX23E-A variants such as R5F523E6AGFL#30 and R5F523E6SDFL#30, sharing identical pin assignments for power, analog, digital I/O, and peripheral interfaces as defined in Renesas document R01DS0330EJ0130.
R5F523E6ADFL#50 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-LQFP
- Series:
- RX23E-A
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- RXv2
- Core Size:
- 32-Bit Single-Core
- Speed:
- 32MHz
- Connectivity:
- CANbus, I2C, SCI, SPI
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 16
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 5.5V
- Data Converters:
- A/D 6x12/24b SAR, Sigma-Delta
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F523E6ADFL#50 FAQ
1.How can I place an order for R5F523E6ADFL#50 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F523E6ADFL#50 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 R5F523E6ADFL#50 reliable?
The price and inventory of R5F523E6ADFL#50 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F523E6ADFL#50 is usually 5 days.
3.What payment methods are accepted for R5F523E6ADFL#50?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F523E6ADFL#50 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F523E6ADFL#50?
R5F523E6ADFL#50 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F523E6ADFL#50 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 R5F523E6ADFL#50?
For technical support, including R5F523E6ADFL#50 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F523E6ADFL#50 requirements.
6.How does Aetrix verify that R5F523E6ADFL#50 is sourced from the original manufacturer or authorized distributors?
All R5F523E6ADFL#50 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 R5F523E6ADFL#50 meets industry standards.
7.What is the process for return or replacement of R5F523E6ADFL#50?
All R5F523E6ADFL#50 units undergo pre-shipment inspection (PSI). If there is an issue with R5F523E6ADFL#50, 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 R5F523E6ADFL#50 part is unused and in its original packaging.
Return procedure for R5F523E6ADFL#50:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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