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Renesas R5F100ACASP#50
- Part No.:
- R5F100ACASP#50
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 30-LSSOP (0.240", 6.10mm Width)
- Datasheet:
-
R5F100ACASP#50.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 30LSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,000
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Product details
Overview
R5F100ACASP#50 from Renesas is a 30-pin, 16 KB flash, 2 KB RAM RL78/G13 16-bit microcontroller with integrated data flash (4 KB), real-time clock, 10-bit ADC (6 channels), and ultra-low-power operation (0.57 μA in RTC+LVD mode). It operates from 1.6–5.5 V, delivers 41 DMIPS at 32 MHz, and targets battery-powered industrial sensors and smart metering endpoints.
For engineers reviewing the R5F100ACASP#50 datasheet, R5F100ACASP#50 pinout, R5F100ACASP#50 application, or R5F100ACASP#50 equivalent, key selection criteria include its LSSOP-30 package, consumer-grade temperature range (−40°C to +85°C), on-chip debug support, and compatibility with Renesas' RL78 development ecosystem including CS+ and e² studio.
Technical Context
The R5F100ACASP#50 implements the RL78 CPU core with a 3-stage CISC pipeline, supporting instruction execution times from 0.03125 μs (32 MHz high-speed mode) to 30.5 μs (32.768 kHz ultra-low-speed mode). Its memory subsystem includes 16 KB code flash (1 KB block size), 4 KB data flash with background operation (BGO), and 2 KB SRAM.
Peripheral integration includes one 12-bit interval timer, one real-time clock with calendar/alarm functions, eight 16-bit timers, three I²C/Simplified I²C channels, two UART/LIN channels, two CSI (SPI-compatible) channels, and a 10-bit ADC with internal 1.45 V reference and temperature sensor - all configurable under single-supply 1.6–5.5 V operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC CPU with 3-stage pipeline and variable instruction timing (0.03125–30.5 μs) |
| Max Operating Frequency | 32 MHz - delivers 41 DMIPS for deterministic real-time control in compact firmware |
| Flash Memory | 16 KB code flash with 1 KB erase blocks and security lock against unauthorized rewrite |
| Data Flash | 4 KB with background operation (BGO): enables concurrent program execution during data logging |
| RAM | 2 KB on-chip SRAM - sufficient for RTOS context switching and sensor data buffering |
| ADC Resolution & Channels | 10-bit SAR ADC with 6 analog inputs and integrated 1.45 V reference voltage |
| Low-Power Modes | HALT (66 μA/MHz), STOP (0.57 μA with RTC+LVD active), SNOOZE - extends battery life in intermittent-sensing applications |
Pinout & Package
Package: 30-pin plastic LSSOP (7.62 mm, 0.65-mm pitch), JEDEC MS-013AC compliant, surface-mount compatible with standard reflow profiles.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10 | SCK00 / SCL00 | Serial clock for CSI0 or I²C0 - dual-function pin supports SPI-like or I²C master/slave communication |
| P11 | SI00 / RxD0 / TOOLRxD / SDA00 | Multi-role input: SPI serial input, UART receive, debug interface RX, or I²C data line - enables flexible peripheral sharing |
| P12 | SO00 / TxD0 / TOOLTxD / SCL00 | Multi-role output: SPI serial output, UART transmit, debug TX, or I²C clock - reduces pin count without sacrificing interface options |
| P13 | INTP0 / PCLBUZ / TOOLCLK | External interrupt input, programmable buzzer output, or debug clock - supports wake-up, audible feedback, and trace synchronization |
| P20 | ANI0 / AVREFP | Analog input channel 0 and positive reference for ADC - allows ratiometric sensing with external voltage dividers |
| P21 | ANI1 / AVREFM | Analog input channel 1 and negative ADC reference - enables differential measurement or precision biasing |
| P22 | ANI2 | Analog input channel 2 - expands sensor interface capability without external multiplexer |
| VDD | Power Supply | Primary 1.6–5.5 V supply - eliminates need for external regulators in multi-rail systems |
| VSS | Ground | Dedicated analog/digital ground pin - improves ADC accuracy and noise immunity |
| RESET | Reset Input | Active-low reset with internal pull-up - ensures reliable power-on initialization without external RC network |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power STOP mode | 0.57 μA with RTC and LVD active - enables >10-year battery life in periodic wake-up sensor nodes |
| On-chip data flash with BGO | 4 KB rewritable memory supporting 1M cycles; BGO allows firmware to log sensor data while executing control tasks |
| Integrated real-time clock (RTC) | Calendar function (99-year range), alarm, and clock correction - eliminates external RTC IC and backup battery |
| Multi-protocol serial interfaces | 2× UART/LIN, 3× I²C, 2× CSI - simplifies connectivity to displays, EEPROMs, transceivers, and legacy peripherals |
| Temperature sensor & internal reference | On-die temperature sensor and 1.45 V bandgap reference - enables self-calibration and ambient monitoring without external components |
| Self-programming with boot swap | Secure in-field firmware updates via flash shield window and boot swap - supports robust OTA update mechanisms |
Applications
| Smart Utility Metering | Industrial Sensor Node |
|---|---|
Use Scenario: Battery-powered gas/water meter with hourly pulse counting, temperature compensation, and wireless reporting. IC Role / Device Role / Timing Role: Main system controller managing pulse capture, RTC-based timestamping, ADC-based temperature sensing, and UART-driven sub-GHz radio interface. Use Value: Integrated RTC and low-power STOP mode enable precise time-stamped logging with <1 μA average current, extending battery life beyond 10 years. |
Use Scenario: Wireless vibration/temperature node on rotating machinery, transmitting alerts when thresholds are exceeded. IC Role / Device Role / Timing Role: Edge intelligence unit performing ADC sampling, FFT preprocessing (via hardware multiplier), and event-triggered BLE/Wi-Fi transmission. Use Value: 16-bit hardware multiply-accumulate and 41 DMIPS performance allow real-time spectral analysis within 2 KB RAM, eliminating need for external DSP. |
| Home Appliance Control | Medical Wearable Monitor |
Use Scenario: Smart thermostat with ambient/humidity sensing, display driver, and HVAC relay control. IC Role / Device Role / Timing Role: Primary MCU handling sensor fusion (ADC + I²C temp/humidity), LCD segment driving, and safety-critical thermal cutoff logic. Use Value: On-chip LVD with 14-level detection provides configurable brown-out protection for safe shutdown during power dips, meeting IEC 60730 Class B requirements. |
Use Scenario: Disposable ECG patch with 24-hour continuous monitoring, motion artifact rejection, and Bluetooth LE upload. IC Role / Device Role / Timing Role: Signal acquisition controller managing 10-bit ADC sampling, digital filtering (using DMA + multiplier), and low-energy BLE packetization. Use Value: DMA-accelerated ADC-to-memory transfers (2-clock latency) and SNOOZE mode reduce CPU load and power consumption during continuous acquisition. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100BCASP#50 | 32 KB flash, 2 KB RAM, same LSSOP-30 package and peripheral set | Supports larger firmware (e.g., embedded TCP/IP stack or advanced motor control algorithms) | Select when firmware growth headroom or future feature expansion is required without PCB redesign |
| R5F101ACASP#50 | No data flash (0 KB), identical core/peripherals/package; otherwise pin- and code-compatible | Suitable for cost-sensitive applications where non-volatile parameter storage is handled externally | Choose to reduce BOM cost by $0.15–$0.25/unit when data logging or field updates are not required |
Compared with R5F100BCASP#50, the R5F100ACASP#50 trades flash capacity for lower unit cost and smaller footprint in fixed-function devices; versus R5F101ACASP#50, it adds 4 KB data flash for secure firmware updates and calibration storage - critical for medical or utility-certified designs.
Availability
R5F100ACASP#50 is available at Aetrix Electronics and suitable for smart metering, industrial sensor nodes, home appliance control, and medical wearable monitors requiring stable component supply across long production lifecycles.
Supply support for R5F100ACASP#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, power, and SoC solutions for automotive, industrial, and IoT markets.
The RL78/G13 family is designed for ultra-low-power general-purpose embedded control - balancing performance, integration, and energy efficiency in cost-sensitive, battery-operated, and safety-aware applications.
FAQ
What is the operating voltage range of the R5F100ACASP#50?
The R5F100ACASP#50 operates from 1.6 V to 5.5 V over its full temperature range (−40°C to +85°C). This wide supply range allows direct interfacing with diverse power sources - including single-cell Li-ion (3.0–4.2 V), alkaline batteries (1.8–3.0 V), and regulated 3.3 V or 5 V rails - without external level-shifting or regulation circuitry. The on-chip voltage detector (LVD) supports 14 programmable threshold levels for robust brown-out detection.
Does the R5F100ACASP#50 include an integrated real-time clock (RTC)?
Yes, the R5F100ACASP#50 integrates a full-featured RTC with calendar support (year/month/day/hour/minute/second), alarm interrupt, and automatic clock correction. It operates independently in STOP mode using the 32.768 kHz sub-system clock, consuming only 0.57 μA total with LVD enabled - enabling accurate timekeeping for data logging, scheduling, or regulatory timestamping without external components.
How many analog input channels does the R5F100ACASP#50 support?
The R5F100ACASP#50 features a 10-bit successive-approximation ADC with 6 dedicated analog input channels (ANI0–ANI5). It includes an internal 1.45 V reference voltage and supports differential input configurations using AVREFP/AVREFM pins. The ADC operates across the full 1.6–5.5 V supply range, making it suitable for direct sensor interfacing in both low- and high-voltage systems.
Is the R5F100ACASP#50 pin-compatible with other RL78/G13 variants in LSSOP-30 packaging?
Yes, all RL78/G13 devices in the 30-pin LSSOP package - including R5F100AAASP#50, R5F100ACASP#50, R5F100ADASP#50, and R5F100AEASP#50 - share identical pinouts and mechanical footprints. This enables seamless migration between memory/configurations (16–64 KB flash, 2–4 KB RAM, 4–8 KB data flash) without PCB layout changes, simplifying design scalability and inventory management.
What debug and programming interfaces are supported by the R5F100ACASP#50?
The R5F100ACASP#50 supports Renesas' on-chip debug functionality via a 3-pin interface (TOOLRxD, TOOLTxD, TOOLCLK) compatible with E2 emulator Lite and E2 emulator. It requires no external debug header - signals are routed through standard GPIO pins P11, P12, and P13. Flash programming is performed via on-chip serial programming (using UART or CSI), and the device supports secure self-programming with flash shield window and boot swap capabilities for safe firmware updates.
R5F100ACASP#50 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 30-LSSOP (0.240", 6.10mm Width)
- Series:
- RL78/G13
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- 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:
- 21
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 2K 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:
R5F100ACASP#50 FAQ
1.How can I place an order for R5F100ACASP#50 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100ACASP#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 R5F100ACASP#50 reliable?
The price and inventory of R5F100ACASP#50 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100ACASP#50 is usually 5 days.
3.What payment methods are accepted for R5F100ACASP#50?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F100ACASP#50 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F100ACASP#50?
R5F100ACASP#50 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100ACASP#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 R5F100ACASP#50?
For technical support, including R5F100ACASP#50 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100ACASP#50 requirements.
6.How does Aetrix verify that R5F100ACASP#50 is sourced from the original manufacturer or authorized distributors?
All R5F100ACASP#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 R5F100ACASP#50 meets industry standards.
7.What is the process for return or replacement of R5F100ACASP#50?
All R5F100ACASP#50 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100ACASP#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 R5F100ACASP#50 part is unused and in its original packaging.
Return procedure for R5F100ACASP#50:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F100ACASP#50 Tags
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