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Renesas R5F104ACASP#30
- Part No.:
- R5F104ACASP#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 30-LSSOP (0.240", 6.10mm Width)
- Datasheet:
-
R5F104ACASP#30.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 30LSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,362
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Product details
Overview
R5F104ACASP#30 from Renesas is a 30-pin LSSOP-packaged 16-bit RL78/G14 microcontroller with 16 KB flash, 4 KB data flash, and 2.5 KB RAM, operating from 1.6–5.5 V at -40°C to +85°C (A-grade), delivering 44 DMIPS at 32 MHz for low-power embedded control in consumer appliances and sensor nodes.
For engineers reviewing the R5F104ACASP#30 datasheet, R5F104ACASP#30 pinout, R5F104ACASP#30 application, or R5F104ACASP#30 equivalent, key selection criteria include its 30-pin LSSOP package, 16 KB code flash with self-programming support, ultra-low-power HALT/STOP/SNOOZE modes, integrated RTC and 10-bit ADC, and compatibility with Renesas' CS+ and e² studio toolchains.
Technical Context
The R5F104ACASP#30 implements the RL78 CPU core with 3-stage 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), and includes multiply/divide/accumulate instructions within a 1 MB address space.
It integrates a 10-bit A/D converter with up to 20 analog inputs, dual 8-bit D/A outputs, two comparators, and peripheral functions including UART/LIN, I²C, CSI (SPI-compatible), 16-bit timers (TAU, RJ, RD, RG), and Event Link Controller (ELC) for hardware-triggered peripheral chaining without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC with 3-stage pipeline and 1 MB address space |
| Max Clock Speed | 32 MHz - delivers 44 DMIPS for real-time control tasks |
| Flash Memory | 16 KB code flash + 4 KB data flash - supports background rewriting and 1M write cycles |
| RAM | 2.5 KB on-chip RAM - sufficient for small firmware stacks and real-time buffers |
| Power Modes | HALT (66 μA/MHz), STOP (0.60 μA), SNOOZE - enables battery-powered operation >1 year |
| Analog Peripherals | 10-bit ADC (20 ch), 8-bit DAC (2 ch), 2 comparators - supports sensor signal conditioning and actuator control |
| Operating Voltage | 1.6–5.5 V - allows direct interface with 1.8 V, 3.3 V, and 5 V peripherals |
Pinout & Package
Package: 30-pin plastic LSSOP (7.62 mm × 4.4 mm, 0.65 mm pitch), surface-mount, RoHS-compliant, rated for industrial temperature range (-40°C to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00 | TxD1 / TI00 / TRGCLKA | UART transmit, timer input, and debug clock - enables serial comms and timing-critical event capture |
| P01 | RxD1 / TO00 / TRGCLKB | UART receive, timer output, and debug clock - supports full-duplex UART and synchronized peripheral triggering |
| P10–P17 | CSI/I²C/UART/SPI peripherals | Multi-function serial interfaces - configurable via PIOR registers for flexible board-level routing |
| P20–P23 | ANI0–ANI3 / AVREFP/AVREFM | Analog inputs with dedicated reference pins - enables ratiometric ADC measurements with external sensors |
| P30–P31 | INTP3 / INTP4 / PCLBUZ0 / RTC1HZ | Interrupt-capable GPIO with buzzer and real-time clock output - simplifies alarm and user-interface design |
| RESET | Active-low reset input | Asynchronous reset with internal POR and LVD - ensures reliable startup under brown-out conditions |
| VDD / VSS | Power supply / ground | Single 1.6–5.5 V rail - eliminates need for external voltage regulators in many applications |
| REGC | Regulator capacitor terminal | Requires 0.47–1 µF capacitor to VSS - stabilizes internal LDO for consistent low-power operation |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power consumption | 66 μA/MHz active current and 0.60 μA STOP mode - extends battery life in portable devices |
| On-chip debug & self-programming | Integrated on-chip debug with boot swapping and flash shield window - enables field firmware updates without external tools |
| Real-time clock with calendar | 99-year calendar, alarm, and clock correction - supports time-stamped logging and scheduled wake-up |
| Event Link Controller (ELC) | Hardware linking of 19–26 event sources to peripherals - offloads CPU for deterministic low-latency responses |
| Dual-voltage I/O capability | I/O pins tolerate 1.8/2.5/3.0 V logic levels - simplifies interfacing with mixed-voltage subsystems |
| High-accuracy oscillator | ±1.0% accuracy across 1.8–5.5 V and -20°C to +85°C - eliminates need for external crystal in cost-sensitive designs |
Applications
| Home Appliance Control | Industrial Sensor Node |
|---|---|
|
Use Scenario: Microcontroller in smart thermostat managing temperature sensing, display, button inputs, and HVAC relay control. IC Role / Device Role / Timing Role: Main system controller executing closed-loop PID regulation, driving 7-segment display via PCLBUZ, and handling LIN bus communication to HVAC unit. Use Value: 16 KB flash accommodates safety-certified firmware; 10-bit ADC reads NTC thermistors with ±0.5°C accuracy; STOP mode reduces standby power to 0.6 μA. |
Use Scenario: Battery-powered environmental monitor measuring temperature, humidity, and CO₂ using analog and I²C sensors. IC Role / Device Role / Timing Role: Data acquisition hub with RTC timestamping, sensor polling via CSI/I²C, and UART-based wireless module interface. Use Value: SNOOZE mode enables periodic wake-up every 10 s for sensor reads; 4 KB data flash stores 72 hrs of logged data; 1.6 V min operating voltage extends Li-SOCl₂ battery life. |
| Consumer Remote Control | Small-Motor Drive Interface |
|
Use Scenario: IR remote with touch keys, LED feedback, and RF transmission for smart home devices. IC Role / Device Role / Timing Role: Input processor decoding capacitive touch, generating NEC/RC5 IR codes, and driving status LEDs via PWM outputs. Use Value: On-chip key interrupt detects touch events with <5 μA current; 8-bit DAC drives LED brightness linearly; 30-pin LSSOP fits compact PCB layouts. |
Use Scenario: Brushless DC motor driver in cordless power tools requiring commutation timing and current sensing. IC Role / Device Role / Timing Role: Timing controller synchronizing 3-phase gate drivers, sampling shunt resistors via ADC, and implementing overcurrent protection. Use Value: 16-bit TAU timers generate precise 10 ns resolution PWM; 10-bit ADC samples current at 1 MSPS; HALT mode pauses execution during fault shutdown. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F104BCASP#30 | 32 KB flash, 4 KB data flash, 5.5 KB RAM - same package and pinout | Supports larger firmware images and more complex state machines | Select when firmware exceeds 16 KB or requires additional RAM for protocol stacks |
| R5F104ADASP#30 | 32 KB flash, 4 KB data flash, 4 KB RAM - same package and pinout | Higher RAM capacity enables multi-threaded RTOS usage and larger buffers | Choose for applications needing >2.5 KB RAM while retaining identical footprint and peripherals |
Compared with R5F104ACASP#30, R5F104BCASP#30 offers double flash capacity without layout changes, while R5F104ADASP#30 provides +1.5 KB RAM for buffer-intensive sensor fusion - both retain identical 30-pin LSSOP packaging, A-grade temperature rating, and peripheral set.
Availability
R5F104ACASP#30 is available at Aetrix Electronics and suitable for home appliance control, industrial sensor nodes, consumer remote controls, small-motor drive interfaces, and battery-powered IoT edge devices requiring stable component supply and long-term manufacturability.
Supply support for R5F104ACASP#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, power, and SoC solutions for automotive, industrial, and IoT markets.
The RL78/G14 product line targets cost-sensitive, ultra-low-power general-purpose embedded applications - optimized for rapid development, energy efficiency, and seamless integration with Renesas' ecosystem tools and middleware.
FAQ
What is the maximum operating frequency and corresponding performance of the R5F104ACASP#30?
The R5F104ACASP#30 operates at up to 32 MHz, delivering 44 DMIPS of processing performance. Its RL78 CPU core achieves this with a 3-stage pipeline and supports variable instruction execution times - from 0.03125 µs at full speed to 30.5 µs in ultra-low-speed mode - enabling dynamic power/performance scaling in the R5F104ACASP#30.
Does the R5F104ACASP#30 support in-system programming and debugging without external hardware?
Yes, the R5F104ACASP#30 includes an on-chip debug interface compatible with Renesas E2 emulator and supports self-programming of both code and data flash memory. It features boot swapping, flash shield window, and background operation - allowing firmware updates and debugging directly through the R5F104ACASP#30's single-wire SWD interface without external programmers.
What analog peripherals are integrated into the R5F104ACASP#30 and how are they configured?
The R5F104ACASP#30 integrates a 10-bit A/D converter with up to 20 input channels, two 8-bit D/A converters, and two comparators. Analog inputs accept 0–VDD range with selectable internal reference (1.45 V) or external references via AVREFP/AVREFM pins. The R5F104ACASP#30 configures these via dedicated control registers and supports scan mode, trigger-based conversion, and temperature sensor readout.
How does the R5F104ACASP#30 manage power in battery-operated applications?
The R5F104ACASP#30 provides three ultra-low-power modes: HALT (66 μA/MHz), STOP (0.60 μA), and SNOOZE (intermediate current with selected peripherals active). It combines these with a 1.6–5.5 V operating range, on-chip LVD with 14-level detection, and RTC operation during STOP mode - enabling multi-year battery life in applications like smoke detectors and wireless sensors using the R5F104ACASP#30.
Is the R5F104ACASP#30 pin-compatible with other RL78/G14 variants in the same package?
Yes, all RL78/G14 devices in the 30-pin LSSOP package - including R5F104AAASP#30, R5F104ACASP#30, R5F104ADASP#30, and R5F104AEASP#30 - share identical pinouts and electrical characteristics. This allows hardware reuse across firmware variants with different flash/RAM configurations, simplifying design scalability and inventory management for the R5F104ACASP#30.
R5F104ACASP#30 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 30-LSSOP (0.240", 6.10mm Width)
- Series:
- RL78/G14
- Packaging:
- Tray
- Product Status:
- Last Time Buy
- 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:
- 4K 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:
R5F104ACASP#30 FAQ
1.How can I place an order for R5F104ACASP#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F104ACASP#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 R5F104ACASP#30 reliable?
The price and inventory of R5F104ACASP#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F104ACASP#30 is usually 5 days.
3.What payment methods are accepted for R5F104ACASP#30?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F104ACASP#30 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F104ACASP#30?
R5F104ACASP#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F104ACASP#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 R5F104ACASP#30?
For technical support, including R5F104ACASP#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F104ACASP#30 requirements.
6.How does Aetrix verify that R5F104ACASP#30 is sourced from the original manufacturer or authorized distributors?
All R5F104ACASP#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 R5F104ACASP#30 meets industry standards.
7.What is the process for return or replacement of R5F104ACASP#30?
All R5F104ACASP#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F104ACASP#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 R5F104ACASP#30 part is unused and in its original packaging.
Return procedure for R5F104ACASP#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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