Renesas R5F523E6SDFL#10
- Part No.:
- R5F523E6SDFL#10
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R5F523E6SDFL#10.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 48LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,000
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Product details
Overview
R5F523E6SDFL#10 from Renesas is a 32-bit RXv2 microcontroller optimized for high-precision analog measurement in industrial temperature sensing systems, featuring one 24-bit delta-sigma ADC unit (6-channel differential), a rail-to-rail programmable gain instrumentation amplifier (gain = 1–128), 256 KB on-chip flash, 32 KB SRAM, and CAN 2.0B interface operating up to 1 Mbps.
For engineers reviewing the R5F523E6SDFL#10 datasheet, R5F523E6SDFL#10 pinout, R5F523E6SDFL#10 application, or R5F523E6SDFL#10 equivalent, this MCU delivers calibrated 23-bit effective resolution at 7.6 SPS, ±10 nV/°C offset drift (PGA = 128), and integrated excitation current sources (50–1000 µA) - critical for thermocouple and RTD signal conditioning with IEC60730 compliance support.
Technical Context
The R5F523E6SDFL#10 implements a dedicated analog front end with two independent 24-bit delta-sigma A/D converters (DSAD0 and DSAD1), though only DSAD0 is enabled per its "S" variant designation; it supports fourth-order sinc filtering, simultaneous 50/60 Hz rejection at 10/54 SPS, and inter-unit synchronized start via ELC. Its RXv2 CPU core executes at 32 MHz (64 DMIPS), includes single-precision FPU (IEEE 754), MPU, and low-power modes including software standby with active LPT.
On-chip peripherals include one CAN channel (ISO 11898-1), three SCIg interfaces (asynchronous/clock-sync/Smart Card), one RIIC, one RSPI, six MTU2a timer channels, and dual 12-bit SAR A/D converter (S12ADE) with 1.4 µs conversion time - all clocked from configurable PCLK domains (ICLK/PCLKA/PCLKB/PCLKD up to 32 MHz).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv2 32-bit CISC Harvard architecture, 32 MHz max, 64 DMIPS, IEEE 754 FPU, 16×32-bit GPRs |
| Flash / RAM / DataFlash | 256 KB code flash (no-wait @32 MHz), 32 KB SRAM (no-wait), 8 KB data flash (1M erase cycles) |
| Delta-Sigma ADC | 1 unit × 24-bit DSAD (DSAD0 only), 6 differential inputs, 23-bit effective resolution @7.6 SPS, sinc4 filter |
| PGA & Reference | Rail-to-rail PGA (gain = 1–128), 30 nVRMS noise @7.6 SPS, 2.5 V ±10 ppm/°C reference output |
| Excitation & Bias | Four programmable excitation current sources (50–1000 µA, ±0.2% matching), bias voltage generator (AVCC0+AVSS0)/2 |
| Communication | CAN 2.0B (1 Mbps), 3× SCIg, 1× SCIh (LIN-capable), 1× RIIC (400 kbps), 1× RSPI (16 Mbps) |
| Package & Temp | 48-pin LFQFP (PLQP0048KB-B), 7×7 mm, 0.5 mm pitch, –40°C to +85°C (D version) |
Pinout & Package
48-pin LFQFP (PLQP0048KB-B) package with 0.5 mm pitch, 7×7 mm body size, and exposed thermal pad. Pin functions validated per Renesas R01DS0330EJ0130 Rev.1.30 datasheet Section 1.4–1.5.1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS / AVCC0 / AVSS0 | Power supply rails | Digital core (1.8–5.5 V), analog domain (2.7–5.5 V), decoupled via local capacitors per datasheet layout guidelines |
| AIN0–AIN11 | Analog input multiplexer terminals | Support differential (e.g., AIN0/AIN1), pseudo-differential, or single-ended inputs to DSAD0 and S12ADE |
| REF0P / REF0N / REF1P / REF1N | Delta-sigma reference inputs | Enable external reference selection for DSAD0 (REF0) and DSAD1 (REF1); DSAD1 disabled in "S" variant |
| IEXC0–IEXC3 | Excitation current outputs | Four matched current sources (50–1000 µA) for RTD 2-/3-/4-wire sensing; ±0.2% matching critical for ratio-metric accuracy |
| LSW | Low-side switch output | 10 Ω max on-resistance, 30 mA max current; used for sensor excitation switching or fault-safe grounding |
| CRXD0 / CTXD0 | CAN transceiver interface | Differential CAN bus connection supporting ISO 11898-1 physical layer up to 1 Mbps |
Key Features
| Feature | Design Value |
|---|---|
| IEC60730 Class B Support | Integrated self-test for A/D converters, clock accuracy measurement (CAC), IWDT, RAM test assistance, and disconnect detection |
| Simultaneous 50/60 Hz Rejection | Hardware-enabled at 10/54 SPS output data rates - eliminates mains interference without firmware overhead |
| Background Operation (BGO) | Data flash programming/erasing while CPU executes code - enables seamless firmware updates and calibration storage |
| Event Link Controller (ELC) | 56 event signals trigger peripheral operations (e.g., ADC start, PWM reload) without CPU interrupt latency or wake-up |
| Low-Power Timer (LPT) | 16-bit timer running from IWDT oscillator during software standby - enables periodic wake-up for sensor polling at µA-level current |
Applications
| Thermocouple Measurement System | RTD-Based Temperature Transmitter |
|---|---|
|
Use Scenario: High-accuracy industrial furnace monitoring using Type K thermocouples with cold-junction compensation. IC Role / Device Role / Timing Role: R5F523E6SDFL#10 performs cold-junction sensing (via internal TEMPS), amplifies µV-level TC output with PGA (gain = 128), digitizes with 24-bit DSAD0, and transmits calibrated data over CAN. Use Value: Achieves ±0.5°C total system accuracy with 10 nV/°C PGA offset drift and simultaneous 50/60 Hz rejection - eliminating external notch filters and reducing BOM cost. |
Use Scenario: 4–20 mA loop-powered temperature transmitter for HVAC control panels using Pt100 RTDs. IC Role / Device Role / Timing Role: R5F523E6SDFL#10 sources precision excitation current (1000 µA) through RTD, measures voltage drop with DSAD0, computes linearized temperature, and drives analog output via DAC or PWM + filter. Use Value: Excitation current matching (±0.2%) and drift (5 ppm/°C) ensure ratio-metric accuracy across temperature; integrated LSW enables 3-/4-wire RTD configuration switching. |
| Industrial Weigh Scale Controller | Power Quality Monitor Sensor Node |
|
Use Scenario: Strain-gauge load cell interface in factory floor weighing systems requiring OIML R76 compliance. IC Role / Device Role / Timing Role: R5F523E6SDFL#10 conditions mV-level bridge output with rail-to-rail PGA, digitizes at 15625 SPS (normal mode), performs real-time offset/gain calibration, and logs data to E2 DataFlash. Use Value: 23-bit effective resolution at 7.6 SPS and 1 ppm/°C PGA gain drift enable <0.01% full-scale linearity - meeting Class III load cell requirements without external calibration hardware. |
Use Scenario: Distributed grid-edge sensor node measuring voltage/current harmonics and THD in solar inverters. IC Role / Device Role / Timing Role: R5F523E6SDFL#10 acquires synchronized voltage/current samples via DSAD0 and S12ADE, computes FFT using FPU, and reports metrics over RSPI to host MCU. Use Value: Dual ADC domains (DSAD0 for precision, S12ADE for speed) and ELC-triggered simultaneous sampling eliminate phase skew - enabling accurate harmonic analysis up to 50th order. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-precision analog microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F523E6ADFL#30 | Same package and core, but includes two 24-bit DSAD units (DSAD0 + DSAD1) and full 48-pin I/O count | Required for dual-sensor systems (e.g., thermocouple + RTD simultaneously) or higher channel count | Select when needing redundant ADC paths or >6 differential analog inputs; R5F523E6SDFL#10 saves cost where single DSAD suffices |
| ADS131M04IPBSR | Dedicated 24-bit delta-sigma ADC (quad-channel, no MCU), SPI interface, no integrated PGA or excitation sources | Used with external host MCU; lacks on-chip processing, calibration, or IEC60730 support | Choose for pure ADC performance in space-constrained designs where separate processing is acceptable |
Compared with R5F523E6ADFL#30, the R5F523E6SDFL#10 reduces analog subsystem cost by disabling DSAD1 while retaining identical PGA, reference, and excitation specs; versus ADS131M04IPBSR, it integrates signal conditioning, computation, and communication - eliminating inter-IC timing skew and reducing PCB area by 40%.
Availability
R5F523E6SDFL#10 is available at Aetrix Electronics and suitable for industrial temperature transmitters, RTD-based process controllers, weigh scale electronics, and power quality sensor nodes requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for R5F523E6SDFL#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, and power solutions for industrial, automotive, and IoT applications.
The RX23E-A Group - including the R5F523E6SDFL#10 - was designed specifically for high-accuracy, low-drift analog measurement in industrial sensing, with integrated delta-sigma ADCs, PGAs, excitation sources, and IEC60730 safety features.
FAQ
What is the maximum effective resolution of the R5F523E6SDFL#10's delta-sigma ADC?
The R5F523E6SDFL#10 achieves up to 23-bit effective resolution at 7.6 SPS with gain = 1 and output data rate = 7.6 SPS, as specified in the R01DS0330EJ0130 datasheet Section 1. Overview. This value accounts for noise, linearity, and drift - not just nominal bit count - and is validated under typical operating conditions with internal reference.
Does the R5F523E6SDFL#10 support simultaneous sampling across multiple analog inputs?
Yes, the R5F523E6SDFL#10 supports inter-unit A/D conversion synchronized start between DSAD0 and S12ADE via the Event Link Controller (ELC). While DSAD1 is disabled in this "S" variant, DSAD0 itself supports multi-channel synchronous sampling within its 6 differential inputs using ELC-triggered conversion start.
How many excitation current sources does the R5F523E6SDFL#10 provide, and what are their accuracy specs?
The R5F523E6SDFL#10 provides four excitation current sources (IEXC0–IEXC3) with programmable output from 50 µA to 1000 µA. Per datasheet Section 1. Overview, current matching is ±0.2% and drift matching is 5 ppm/°C - enabling precise ratio-metric measurements for 3- and 4-wire RTD configurations.
Is the R5F523E6SDFL#10 pin-compatible with other RX23E-A group MCUs in the same package?
Yes, the R5F523E6SDFL#10 uses the 48-pin LFQFP (PLQP0048KB-B) package and shares identical pin assignments with other 48-pin RX23E-A variants like R5F523E6ADFL#30 and R5F523E6AGFL#30. Pin functions - including analog inputs, CAN, SCI, and power - are fully compatible per Table 1.4 and Figure 1.4 in R01DS0330EJ0130.
What safety certifications or built-in diagnostics does the R5F523E6SDFL#10 support for industrial applications?
The R5F523E6SDFL#10 includes hardware-assisted functions for IEC60730 Class B compliance: self-diagnostic routines for A/D converters, clock frequency accuracy measurement (CAC), independent watchdog timer (IWDT), RAM test assistance using the DOC, and analog input disconnect detection for both DSAD and S12ADE modules.
R5F523E6SDFL#10 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-LQFP
- Series:
- RX23E-A
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- RXv2
- Core Size:
- 32-Bit
- 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 6x12b, 12x24b Sigma-Delta
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F523E6SDFL#10 FAQ
1.How can I place an order for R5F523E6SDFL#10 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F523E6SDFL#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 R5F523E6SDFL#10 reliable?
The price and inventory of R5F523E6SDFL#10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F523E6SDFL#10 is usually 5 days.
3.What payment methods are accepted for R5F523E6SDFL#10?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F523E6SDFL#10 transactions.
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4.How is shipping managed for R5F523E6SDFL#10?
R5F523E6SDFL#10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F523E6SDFL#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 R5F523E6SDFL#10?
For technical support, including R5F523E6SDFL#10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F523E6SDFL#10 requirements.
6.How does Aetrix verify that R5F523E6SDFL#10 is sourced from the original manufacturer or authorized distributors?
All R5F523E6SDFL#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 R5F523E6SDFL#10 meets industry standards.
7.What is the process for return or replacement of R5F523E6SDFL#10?
All R5F523E6SDFL#10 units undergo pre-shipment inspection (PSI). If there is an issue with R5F523E6SDFL#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 R5F523E6SDFL#10 part is unused and in its original packaging.
Return procedure for R5F523E6SDFL#10:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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