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Renesas R5F523E5JDFN#30
- Part No.:
- R5F523E5JDFN#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
R5F523E5JDFN#30.pdf
- Description:
- RX23E-B 128LFQFP80 125KSPS, ANAL
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
R5F523E5JDFN#30 from Renesas is a 32-bit RXv2 microcontroller optimized for high-precision analog measurement in industrial sensing systems. It integrates a 24-bit delta-sigma ADC with 125 kSPS max sampling rate, rail-to-rail programmable gain instrumentation amplifier (gain = 1–128), ±10-V input capability on HVAIN pins, and on-chip excitation current sources (50–1000 µA) - enabling direct interface to strain gauges and RTDs. Its 128-KB flash, 16-KB SRAM, and CAN 2.0B interface support embedded control in smart transmitters and process analyzers.
For engineers reviewing the R5F523E5JDFN#30 datasheet, R5F523E5JDFN#30 pinout, R5F523E5JDFN#30 application, or R5F523E5JDFN#30 equivalent, key selection criteria include its 80-pin LFQFP package, 125 kSPS delta-sigma ADC performance at 5-V analog input range, integrated LCD driver, and –40°C to +85°C operating temperature rating.
Technical Context
The R5F523E5JDFN#30 implements the RXv2 CPU core with 32-MHz operation delivering 64 DMIPS, single-precision IEEE 754 FPU, and memory protection unit (MPU) for functional safety compliance. Its analog subsystem centers on the DSADB module synchronized to PCLKC (up to 16 MHz), supporting fourth- and fifth-order sinc digital filters and simultaneous 50/60 Hz rejection at 10/54 SPS.
Digital integration includes ELC-triggered ADC/DAC conversion, four-channel DMAC, and RSCAN CAN controller compliant with ISO 11898-1 up to 1 Mbps. The MCU supports IEC 60730 self-test features including A/D converter diagnostics, clock accuracy monitoring via CAC, and RAM test assistance using DOC.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv2 32-bit, 32 MHz max - delivers 64 DMIPS with IEEE 754 FPU and DSP instructions for real-time sensor signal processing. |
| Flash / RAM / Data Flash | 128 KB / 16 KB / 8 KB - supports field firmware updates and parameter storage with 1M erase/program cycles. |
| 24-bit Delta-Sigma ADC | 8-channel differential input, 125 kSPS max - enables high-resolution weight scale or pressure sensor digitization without external signal conditioning. |
| PGA Gain Range | ×1 to ×128 - allows direct connection of low-output sensors (e.g., 2-mV/V load cells) while maintaining 11 nVRMS noise floor at gain=128. |
| Analog Input Range | ±10 V on HVAIN pins - accommodates industrial voltage-level signals without external attenuators or level shifters. |
| Excitation Current Sources | Two channels, 50–1000 µA with ±0.2% matching - provides precise, matched bias for 4-wire RTD or bridge sensor measurements. |
| Package & Temp Range | PLQP0080KB-B (80-pin LFQFP, 12×12 mm, 0.5 mm pitch), –40°C to +85°C - suitable for compact industrial PCB layouts with extended thermal margin. |
Pinout & Package
Package: PLQP0080KB-B - 80-pin Low-Profile Quad Flat Package, 12 mm × 12 mm body, 0.5 mm lead pitch, exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Core logic supply (1.8–5.5 V); separate AVCC0 (4.5–5.5 V) powers analog front end for noise isolation. |
| HVAIN0–HVAIN3 | Analog input | High-voltage differential inputs supporting ±10 V range - directly interfaces to industrial sensor outputs without attenuation. |
| IEXC0 / IEXC1 | Excitation current output | Programmable constant-current sources (50–1000 µA) with ±0.2% matching - enables precision 4-wire RTD or Wheatstone bridge biasing. |
| DSAD_VREFH / DSAD_VREFL | ADC reference | External reference inputs for delta-sigma ADC - allow ratiometric measurement or high-accuracy absolute voltage sensing. |
| MTU0–MTU5 | PWM / capture / timer I/O | Six 16-bit MTU channels provide complementary PWM, phase counting, and ADC trigger generation - supports motor control and encoder interfacing. |
| RX_CAN0 / TX_CAN0 | CAN bus interface | Dedicated differential CAN transceiver pins compliant with ISO 11898-1 - enables robust communication in noisy factory environments. |
| SEG0–SEG39 / COM0–COM3 | LCD segment/common | Integrated LCD driver supporting 40×4 segment configuration - eliminates external display controller in portable instrumentation. |
Key Features
| Feature | Design Value |
|---|---|
| Delta-sigma ADC with sinc filtering | Configurable fourth/fifth-order sinc filters enable simultaneous 50/60 Hz line rejection at 10/54 SPS - critical for stable readings in AC-powered facilities. |
| Rail-to-rail PGA with low drift | Gain drift ≤1 ppm/°C (gain=1–16), offset drift 4 nV/°C (gain=64–128) - ensures long-term calibration stability in uncontrolled ambient conditions. |
| On-chip voltage reference | 2.5 V ±1%, 8 ppm/°C drift over –40°C to +85°C - provides stable reference for ADC/DAC without external precision ICs. |
| IEC 60730 safety assist | Hardware-accelerated RAM test (DOC), A/D self-diagnostic, clock accuracy monitoring (CAC), and IWDT disconnect detection - reduces software certification effort for Class B applications. |
| Event Link Controller (ELC) | Direct hardware triggering between peripherals (e.g., MTU → ADC start) without CPU intervention - lowers latency and power in low-duty-cycle sensing. |
Applications
| Industrial Process Transmitter | Smart Load Cell Instrumentation |
|---|---|
Use Scenario: High-accuracy 4–20 mA loop-powered transmitter measuring pressure, flow, or level in chemical plants. IC Role / Device Role / Timing Role: Primary system-on-chip handling sensor excitation, 24-bit sigma-delta conversion, linearization, HART modulation, and CAN/SCI communication. Use Value: Integrated ±10-V HVAIN pins and matched 50–1000 µA excitation sources eliminate external op-amps and current sources, reducing BOM count by ≥4 components. |
Use Scenario: Portable crane scale or hopper weighing system requiring battery operation and sub-gram resolution. IC Role / Device Role / Timing Role: Sensor interface MCU managing low-noise PGA gain switching, 125-kSPS delta-sigma sampling, and real-time digital filtering. Use Value: 11 nVRMS input-referred noise at gain=128 enables >20-bit effective resolution for 2-mV/V load cells without external amplification. |
| Programmable Logic Controller I/O Module | Energy Meter Front-End |
Use Scenario: DIN-rail mounted PLC analog input module acquiring 4–20 mA, 0–10 V, or thermocouple signals across multiple channels. IC Role / Device Role / Timing Role: Central measurement engine with 8-channel differential delta-sigma ADC, 12-bit auxiliary ADC for diagnostics, and dual CAN for backplane communication. Use Value: Simultaneous 50/60 Hz rejection at 10/54 SPS ensures stable readings in electrically noisy industrial cabinets with variable-frequency drives. |
Use Scenario: Revenue-grade polyphase energy meter requiring metrology-grade voltage/current sampling and tamper detection. IC Role / Device Role / Timing Role: Metrology co-processor performing isolated voltage/current digitization, harmonic analysis, and secure data logging via on-chip data flash. Use Value: On-chip excitation current sources and bias voltage generator (VBIAS = (AVCC0+AVSS0)/2) simplify shunt-based current sensing architecture. |
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 |
|---|---|---|---|
| R5F523E5LDFP#30 | 100-pin LFQFP, 10-V analog input range, no LCD driver - larger package, higher HVAIN range, missing display support. | Preferred for designs requiring ±10-V full-scale input without LCD, e.g., laboratory DAQ modules. | Select when needing maximum analog input range and board space permits 100-pin footprint. |
| R5F523E5JGFN#30 | G-version (–40°C to +105°C), same 80-pin LFQFP and LCD driver - identical functionality with extended temperature rating. | Suitable for under-hood automotive or high-ambient industrial enclosures where +85°C limit is insufficient. | Choose for applications demanding operation beyond +85°C without changing layout or firmware. |
Compared with R5F523E5JDFN#30, R5F523E5LDFP#30 offers wider ±10-V analog input but requires more PCB area and lacks LCD support, while R5F523E5JGFN#30 maintains identical features with extended thermal qualification - making it a drop-in upgrade for harsh-environment deployments.
Availability
R5F523E5JDFN#30 is available at Aetrix Electronics and suitable for industrial process transmitters, smart load cell instruments, and programmable logic controller I/O modules requiring stable component supply and long-term manufacturability.
Supply support for R5F523E5JDFN#30 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 infrastructure markets.
The RX23E-B Group targets high-precision measurement applications, integrating metrology-grade analog front ends with robust MCU cores to replace multi-chip sensor signal chains in industrial automation and test equipment.
FAQ
What is the maximum sampling rate of the 24-bit delta-sigma ADC in R5F523E5JDFN#30?
The R5F523E5JDFN#30 supports a maximum delta-sigma ADC sampling rate of 125 kSPS at 5-V analog input range. This rate is achievable with appropriate modulator clock configuration (fMOD = 4 MHz) and filter selection - enabling high-speed weigh scale or vibration monitoring applications without external oversampling.
Does R5F523E5JDFN#30 include an integrated LCD controller, and what display configurations does it support?
Yes, R5F523E5JDFN#30 includes an integrated LCD controller/driver supporting 40 SEG × 4 COM configuration. It offers selectable drive methods (internal voltage boosting, capacitor split, or external resistor division) and operates across the full –40°C to +85°C temperature range - ideal for handheld industrial meters and panel-mounted displays.
What analog input voltage range is supported by the HVAIN pins of R5F523E5JDFN#30?
The HVAIN pins of R5F523E5JDFN#30 support a ±10-V input range, confirmed by the "J" suffix in the part number per Renesas documentation. This allows direct connection to industrial sensors and transducers without external level-shifting circuitry - simplifying design and improving measurement accuracy.
How many excitation current sources does R5F523E5JDFN#30 integrate, and what is their matching specification?
R5F523E5JDFN#30 integrates two programmable excitation current sources (IEXC0/IEXC1) with output range 50–1000 µA and current matching of ±0.2%. This tight matching enables accurate 4-wire RTD measurements and minimizes error in Wheatstone bridge configurations used in precision strain gauge systems.
Is R5F523E5JDFN#30 qualified for IEC 60730 Class B compliance, and which hardware safety features does it provide?
Yes, R5F523E5JDFN#30 includes hardware-assisted IEC 60730 Class B compliance features: A/D converter self-diagnostic, clock frequency accuracy measurement (CAC), independent watchdog timer (IWDT) disconnect detection, RAM test assistance via DOC, and voltage detector functions - reducing software validation burden for safety-critical industrial controls.
R5F523E5JDFN#30 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 80-LQFP
- Series:
- RX23E-B
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- RXv2
- Core Size:
- 32-Bit
- Speed:
- 32MHz
- Connectivity:
- CANbus, I2C, SCI, SPI, UART/USART
- Peripherals:
- DMA, LCD, LVD, POR, PWM, WDT
- Number of I/O:
- 43
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 5.5V
- Data Converters:
- A/D 8x12b SAR, 8x24b Sigma-Delta; D/A 1x16b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F523E5JDFN#30 FAQ
1.How can I place an order for R5F523E5JDFN#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F523E5JDFN#30 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 R5F523E5JDFN#30 reliable?
The price and inventory of R5F523E5JDFN#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F523E5JDFN#30 is usually 5 days.
3.What payment methods are accepted for R5F523E5JDFN#30?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F523E5JDFN#30 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F523E5JDFN#30?
R5F523E5JDFN#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F523E5JDFN#30 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 R5F523E5JDFN#30?
For technical support, including R5F523E5JDFN#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F523E5JDFN#30 requirements.
6.How does Aetrix verify that R5F523E5JDFN#30 is sourced from the original manufacturer or authorized distributors?
All R5F523E5JDFN#30 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 R5F523E5JDFN#30 meets industry standards.
7.What is the process for return or replacement of R5F523E5JDFN#30?
All R5F523E5JDFN#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F523E5JDFN#30, 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 R5F523E5JDFN#30 part is unused and in its original packaging.
Return procedure for R5F523E5JDFN#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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