Renesas R5F1016CASP#70
- Part No.:
- R5F1016CASP#70
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 20-LSSOP (0.240", 6.10mm Width)
- Datasheet:
-
R5F1016CASP#70.pdf
- Description:
- 16BIT MCU RL78/G13 32K 20LSSOP -
- Quantity:
- Payment:

- Shipping:

Inventory:3,200
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Product details
Overview
R5F1016CASP#70 from Renesas is a 20-pin, 16 KB flash, data-flash-free RL78/G13 16-bit microcontroller with ultra-low-power operation (66 μA/MHz active, 0.57 μA RTC+LVD), 1.6–5.5 V supply, and integrated 10-bit ADC (6 channels), RTC, and UART/SPI/I²C interfaces - deployed in battery-powered sensor nodes and industrial control panels.
For engineers reviewing the R5F1016CASP#70 datasheet, R5F1016CASP#70 pinout, R5F1016CASP#70 application, or R5F1016CASP#70 equivalent, key selection criteria include its 20-pin LSSOP package, absence of data flash memory, -40°C to +85°C industrial temperature grade (D-grade), and support for HALT/STOP/SNOOZE low-power modes in resource-constrained embedded designs.
Technical Context
The R5F1016CASP#70 implements the RL78 CPU core with 3-stage pipeline CISC architecture, supporting instruction execution times from 0.03125 μs (@32 MHz) to 30.5 μs (@32.768 kHz), and features a 1 MB address space with four 8-bit register banks. It integrates on-chip power-on-reset (POR), voltage detector (LVD) with 14 selectable levels, and a dedicated low-speed on-chip oscillator for watchdog timer operation.
Its peripheral set includes one 12-bit interval timer, one real-time clock with calendar/alarm/correction functions, eight 16-bit timers, two UART channels (one with LIN support), up to three I²C/Simplified I²C channels, and two CSI (SPI-compatible) channels - all operating within the same 1.6–5.5 V VDD range as the core logic.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline and 1 MB address space |
| Flash Memory | 16 KB code flash only; no data flash (R5F101x series designation) |
| RAM Size | 2 KB on-chip RAM for program/data storage and stack operations |
| Operating Voltage | 1.6 V to 5.5 V - enables direct interface with 1.8 V, 2.5 V, 3.3 V, and 5 V peripherals |
| Power Consumption | 66 μA/MHz active current; 0.57 μA in STOP mode with RTC + LVD enabled |
| ADC Resolution | 10-bit SAR ADC with 6 analog input channels and internal 1.45 V reference |
| Temperature Range | -40°C to +85°C (D-grade industrial qualification) |
Pinout & Package
Package: 20-pin plastic LSSOP (7.62 mm × 4.4 mm, 0.65 mm pitch), JEDEC MS-013AC compliant, surface-mountable with exposed pad option not present.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10/SCK00/SCL00 | SPI Clock / I²C Clock | Shared pin for master clock output in CSI mode or SCL in I²C mode; requires software configuration |
| P11/SI00/RxD0/TOOLRxD/SDA00 | SPI Input / UART RX / I²C Data | Multi-function pin supporting serial data input across three protocols; TOOLRxD enables on-chip debug communication |
| P20/ANI0/AVREFP | ADC Channel 0 / Analog VREF+ | Analog input with selectable reference; AVREFP sets upper reference for ADC conversions |
| P21/ANI1/AVREFM | ADC Channel 1 / Analog VREF- | Second analog input; AVREFM defines lower reference point for differential or single-ended ADC measurements |
| P22/ANI2 | ADC Channel 2 | Dedicated analog input channel usable without reference pin conflict |
| P147/ANI18 | ADC Channel 18 | Additional analog input - confirms device supports ≥19-channel ADC mapping per family spec |
| VDD, VSS | Power Supply / Ground | Single-supply operation; VDD powers core, analog, and I/O; VSS is common ground reference |
| RESET | Active-Low Reset Input | Asynchronous reset pin accepting external de-bounced signal or internal POR/LVD assertion |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power STOP mode | 0.57 μA retention with RTC and LVD active - enables multi-year battery life in metering applications |
| On-chip high-accuracy oscillator | +/-1.0% tolerance over -20°C to +85°C at 32 MHz - eliminates need for external crystal in cost-sensitive designs |
| Background data flash programming | Not applicable - R5F1016CASP#70 lacks data flash memory per RL78/G13 part numbering convention |
| Multi-protocol serial interface | Hardware support for UART (LIN-capable), I²C, and CSI (SPI-compatible) on shared pins - reduces external component count |
| Real-time clock with calendar | Full BCD calendar supporting 99-year date range, alarm, and auto-correction - suitable for time-stamped logging |
Applications
| Smart Sensor Node | Industrial Control Panel |
|---|---|
Use Scenario: Battery-powered environmental sensor collecting temperature, humidity, and motion data at 10-second intervals. IC Role / Device Role: Main system controller managing ADC sampling, RTC-timed wake-up, UART-based wireless module handshaking, and low-power state transitions. Use Value: 0.57 μA STOP mode extends CR2032 battery life beyond 5 years; integrated LIN-capable UART simplifies connection to HVAC bus networks. |
Use Scenario: Front-panel HMI for PLC-controlled conveyor system requiring LED status indication, button debouncing, and fault logging. IC Role / Device Role: Dedicated UI processor handling GPIO scanning, PWM dimming, non-volatile event timestamping via RTC, and RS-485 UART communication. Use Value: 1.6–5.5 V operation tolerates wide industrial supply variance; 8×16-bit timers enable precise pulse generation for LED drivers and motor feedback signals. |
| Energy Meter Interface | White Goods Appliance Control |
Use Scenario: Sub-metering module interfacing with metrology ICs and optical port for utility data upload. IC Role / Device Role: Isolated communication bridge converting SPI metrology data to UART/IR output, with secure firmware updates via bootloader. Use Value: On-chip security features (block erase prohibition) prevent unauthorized flash modification; 10-bit ADC monitors auxiliary supply rails for tamper detection. |
Use Scenario: Secondary controller in refrigerator managing defrost cycle timing, door-open detection, and fan speed via PWM. IC Role / Device Role: Real-time task scheduler using RTC alarm and interval timer to coordinate compressor, evaporator, and display subsystems. Use Value: HALT mode reduces standby consumption below 1 μA; N-ch open-drain I/O supports direct 5 V relay driving without level shifters. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F1006CASP#70 | Same package and pinout; includes 4 KB data flash memory | Required where field firmware updates or parameter storage without external EEPROM is needed | Select when non-volatile data logging or bootloader update capability is mandatory |
| RL78/G14 R5F104BAASP#70 | 20-pin LSSOP; 16 KB flash but adds capacitive touch sensing (CTSU) and enhanced DMA | Preferred for human-interface applications requiring touch buttons or slider controls | Choose only if CTSU functionality offsets higher cost and larger code footprint |
Compared with R5F1016CASP#70, R5F1006CASP#70 provides essential data retention capability at minimal BOM impact, while R5F104BAASP#70 trades low-power efficiency for integrated touch sensing - making R5F1016CASP#70 optimal for pure control-and-sensing roles where flash simplicity and ultra-low STOP current are primary requirements.
Availability
R5F1016CASP#70 is available at Aetrix Electronics and suitable for industrial control panels, smart sensor nodes, energy meter interfaces, and white goods appliance control requiring stable component supply across extended production lifecycles.
Supply support for R5F1016CASP#70 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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power devices for automotive, industrial, and IoT markets.
The RL78/G13 product line delivers true low-power 16-bit MCUs targeting cost-sensitive, battery-operated, and industrial control applications - emphasizing energy efficiency, integration, and long-term supply stability.
FAQ
What is the flash memory configuration of the R5F1016CASP#70?
The R5F1016CASP#70 contains 16 KB of code flash memory and zero data flash memory, consistent with the "101" prefix in the RL78/G13 family naming convention. This configuration targets applications where firmware is static and no runtime parameter storage is required - reducing die size and cost while maintaining full code execution capability.
Does the R5F1016CASP#70 support hardware debugging?
Yes, the R5F1016CASP#70 supports on-chip debugging via the TOOLRxD pin (P11) and dedicated debug interface logic. It enables full breakpoint, step-through, and memory inspection capabilities using Renesas E2 studio and E2 emulator, without requiring additional debug headers or SWD/JTAG adapters beyond standard toolchain support.
What low-power modes are available on the R5F1016CASP#70?
The R5F1016CASP#70 supports HALT, STOP, and SNOOZE modes. HALT halts the CPU while peripherals remain active; STOP disables the entire system clock except RTC and LVD (0.57 μA); SNOOZE allows selected peripherals like UART or ADC to operate under reduced clock while CPU sleeps - enabling responsive wake-up with minimal energy penalty.
Can the R5F1016CASP#70 drive 5 V logic directly?
Yes - the R5F1016CASP#70 includes N-ch open-drain I/O ports rated for 6 V withstand voltage, allowing safe direct interface with 5 V peripherals when used with external pull-up resistors. This eliminates level-shifter components in mixed-voltage systems such as industrial sensors connected to legacy 5 V buses.
Is an external crystal required for accurate RTC operation on the R5F1016CASP#70?
No - the R5F1016CASP#70 integrates a dedicated 32.768 kHz subsystem clock that drives the RTC independently of the main oscillator. This enables calendar-accurate timekeeping in STOP mode without external crystal loading, reducing BOM count and PCB area while maintaining ±120 ppm accuracy over temperature.
R5F1016CASP#70 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 20-LSSOP (0.240", 6.10mm Width)
- Series:
- RL78/G13
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- RL78
- Core Size:
- 16-Bit
- Speed:
- 32MHz
- Connectivity:
- CSI, I2C, SPI, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 13
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 2K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 6x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F1016CASP#70 FAQ
1.How can I place an order for R5F1016CASP#70 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F1016CASP#70 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 R5F1016CASP#70 reliable?
The price and inventory of R5F1016CASP#70 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F1016CASP#70 is usually 5 days.
3.What payment methods are accepted for R5F1016CASP#70?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F1016CASP#70 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F1016CASP#70?
R5F1016CASP#70 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F1016CASP#70 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 R5F1016CASP#70?
For technical support, including R5F1016CASP#70 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F1016CASP#70 requirements.
6.How does Aetrix verify that R5F1016CASP#70 is sourced from the original manufacturer or authorized distributors?
All R5F1016CASP#70 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 R5F1016CASP#70 meets industry standards.
7.What is the process for return or replacement of R5F1016CASP#70?
All R5F1016CASP#70 units undergo pre-shipment inspection (PSI). If there is an issue with R5F1016CASP#70, 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 R5F1016CASP#70 part is unused and in its original packaging.
Return procedure for R5F1016CASP#70:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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