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Renesas R5F12068GSP#30
- Part No.:
- R5F12068GSP#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 20-LSSOP (0.173", 4.40mm Width)
- Datasheet:
-
R5F12068GSP#30.pdf
- Description:
- IC MCU 16BIT 8KB FLASH 20LSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,050
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Product details
Overview
R5F12068GSP#30 from Renesas Electronics is an RL78/G15 20-pin industrial-grade 8-bit microcontroller with 8 KB code flash, 1 KB RAM, and 1 KB data flash. It operates from 2.4 to 5.5 V, supports −40°C to +105°C ambient temperature (G-grade), integrates an 8/10-bit 11-channel ADC, dual comparators, and 8-channel 16-bit timer array - deployed in smart sensor nodes requiring low-power operation and analog signal acquisition.
For engineers reviewing the R5F12068GSP#30 datasheet, R5F12068GSP#30 pinout, R5F12068GSP#30 application, or R5F12068GSP#30 equivalent, key selection criteria include its 20-pin LSSOP package, G-grade industrial temperature rating, 11-channel analog input capability, dual comparator support with independent reference inputs, and integrated UART + dual simplified I²C/CSI interfaces for sensor hub connectivity.
Technical Context
The R5F12068GSP#30 implements the RL78 CPU core with a 3-stage pipeline CISC architecture, enabling minimum instruction execution time of 0.0625 μs at 16 MHz using the high-speed on-chip oscillator. Its memory subsystem includes 8 KB code flash (1 KB block erase), 1 KB data flash (512 B blocks, 1M rewrite cycles), and 1 KB SRAM - all accessible under single-supply operation.
Peripherals are organized around a unified interrupt controller supporting 19 vectored sources (8 external), a TAU0 timer array with 8 channels and PWM output capability, dual independent comparators (COMP0/COMP1) with selectable internal/external references, and serial interfaces including UART0, CSI00/CSI01 (simplified SPI), IIC00/IIC01, and IICA0 - all mapped to dedicated pins in the 20-pin LSSOP configuration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 8-bit CISC with 3-stage pipeline, 1 MB address space |
| Flash Memory | 8 KB code flash (1 KB erase blocks); supports self-programming without boot swap |
| Data Flash | 1 KB data flash (512 B blocks); 1,000,000 write cycles; no background operation during rewrite |
| Operating Voltage | 2.4 V to 5.5 V - enables direct interface with 3.3 V and 5 V logic systems |
| Temperature Range | −40°C to +105°C (G-grade industrial qualification) |
| Analog Peripherals | 8/10-bit ADC with 11 input channels; dual comparators (IVREF0/IVREF1, VCOUT0/VCOUT1) |
| Timers & Clock | 8-channel 16-bit timer array (TAU0); 12-bit interval timer; watchdog; high-speed on-chip oscillator (1–16 MHz, ±1.0% @ −20 to +85°C) |
| I/O & Interfaces | 18 GPIO (including N-ch open-drain); UART0; CSI00/CSI01; IIC00/IIC01; IICA0; 8 external interrupt lines |
Pinout & Package
Package: 20-pin LSSOP (4.4 × 6.5 mm, 0.65-mm pitch), tray packaging (#30 specification).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00 | TOOLTxD / INTP6 / SO00 / TxD0 | UART transmit output or serial data output; supports tool communication and peripheral control |
| P01 | TOOLRxD / ANI0 / INTP5 / SI00 / RxD0 / SDA00 / SDAA0 | UART receive input with analog channel 0; also serves as I²C data line and debug interface |
| P02 | PCLBUZ0 / ANI1 / VCOUT0 / INTP7 / SCK00 / SCL00 | Buzzer/clock output with analog channel 1 and comparator output; dual-role serial clock line |
| P03 | ANI2 / IVCMP0 / INTP4 / TO00 / SO00 / TxD0 | Analog input 2 with comparator A input; timer output and UART transmit alternate function |
| P04 | ANI3 / IVREF0 / INTP3 / TI01 / TO01 | Analog input 3 with internal reference voltage source for comparator A |
| P05 | ANI4 / TI02 / TO02 / SO01 | Analog input 4 with timer I/O and secondary serial output capability |
| P06 | ANI5 / SI01 / SDA01 / SCLA0 | Analog input 5 with I²C data line and secondary serial interface capability |
| P07 | ANI6 / SCK01 / SCL01 / SDAA0 | Analog input 6 with secondary I²C clock and data address line |
| P20 | ANI10 / IVREF1 / INTP1 | Analog input 10 with internal reference for comparator B |
| P21 | ANI9 / IVCMP1 / INTP7 | Analog input 9 with comparator B input; shares INTP7 with P02 |
| P22 | ANI8 / TI06 / TO06 | Analog input 8 with dedicated timer channel for PWM or capture |
| P23 | ANI7 / TI04 / TO04 | Analog input 7 with dedicated timer channel for precise timing functions |
| P40 | TOOL0 / INTP2 / TI01 / TO01 | Debug tool interface with interrupt and timer I/O capability |
| P41 | VCOUT1 / TI03 / TO03 / SO01 / SDA01 | Comparator B output with timer I/O and secondary serial data path |
| P121 | X1 / TI07 / TO07 | Main crystal oscillator input with timer I/O alternate function |
| P122 | X2 / EXCLK / TI05 / TO05 | Ceramic resonator or external clock input with timer I/O capability |
| P125 | RESET / INTP1 / VCOUT0 / VCOUT1 / SI01 | Active-low reset with interrupt and dual comparator outputs plus serial input |
| P137 | INTP0 / TI00 | Primary external interrupt input with timer input capability |
| VDD | Power supply | Single 2.4–5.5 V supply rail powering core, peripherals, and I/O |
| VSS | Ground | Reference ground for analog and digital domains |
Key Features
| Feature | Design Value |
|---|---|
| Low-power HALT/STOP modes | Reduces current consumption during idle periods while preserving register and RAM state |
| Dual independent comparators | Enables simultaneous threshold detection on two analog signals with separate reference sources (IVREF0/IVREF1) |
| 11-channel 8/10-bit ADC | Supports multi-sensor acquisition without external multiplexing; internal 0.815 V reference reduces BOM count |
| 8-channel 16-bit timer array (TAU0) | Provides flexible PWM generation, input capture, and interval timing across multiple independent channels |
| Integrated UART + dual simplified I²C/CSI | Enables concurrent communication with host MCU, sensors, and EEPROMs using minimal pin count |
| G-grade industrial qualification | Guarantees operation from −40°C to +105°C with validated oscillator accuracy (±1.0% @ −20 to +85°C) |
Applications
| Industrial Sensor Node | Smart Thermostat Controller |
|---|---|
Use Scenario: Compact environmental monitoring unit measuring temperature, humidity, and air quality via analog sensors and digital I²C devices. IC Role / Device Role / Timing Role: Central MCU managing analog acquisition (11-channel ADC), dual comparator-based over-temperature alerts, and UART-to-gateway communication. Use Value: Eliminates external ADC and comparator ICs; 8 KB flash accommodates sensor fusion algorithms and OTA update handling. | Use Scenario: Residential HVAC controller interfacing thermistors, relays, display, and wireless module. IC Role / Device Role / Timing Role: System controller executing PID loop, driving buzzer via PCLBUZ0, and managing user interface interrupts (INTP0–INTP7). Use Value: Integrated 12-bit interval timer enables precise heater/cooler duty-cycle control; G-grade rating ensures reliability in wall-mounted enclosures. |
| Programmable Logic Relay | Energy Meter Front-End |
Use Scenario: DIN-rail mounted relay module accepting digital inputs and controlling AC loads via opto-isolated drivers. IC Role / Device Role / Timing Role: Real-time I/O processor sampling inputs (P00–P07), executing logic rules, and generating timed outputs (TO00–TO07). Use Value: 8-channel TAU0 provides independent PWM/timing per output; N-ch open-drain outputs directly drive optocouplers without level-shifting. | Use Scenario: Sub-metering device acquiring voltage/current via shunt/transformer and communicating via UART/RS-485. IC Role / Device Role / Timing Role: Analog front-end controller performing 10-bit ADC sampling, comparator-based overcurrent detection, and UART protocol framing. Use Value: Dual comparators (IVCMP0/IVCMP1) enable simultaneous phase-overcurrent and neutral-fault detection; data flash stores calibration coefficients. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F12067GSP#30 | 4 KB code flash (vs. 8 KB); identical pinout, peripherals, and temperature grade | Suitable for simpler firmware with smaller memory footprint; same PCB layout | Select when application firmware fits within 4 KB and cost optimization is prioritized |
| RL78/G14 R5F11AGJFP#30 | 16-pin SSOP; 4 KB flash; 1 KB RAM; 7-channel ADC; single comparator; −40°C to +85°C (A-grade) | Limited analog I/O and temperature range; lower pin count reduces board area but sacrifices flexibility | Choose for space-constrained consumer designs where industrial temperature range is unnecessary |
Compared with R5F12067GSP#30 and R5F11AGJFP#30, the R5F12068GSP#30 delivers double the code flash capacity, full G-grade industrial temperature support, and expanded analog capability (11-channel ADC + dual comparators) - making it optimal for feature-rich embedded controllers where field reliability and sensor integration depth are critical.
Availability
R5F12068GSP#30 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart thermostat controllers, programmable logic relays, and energy meter front-ends requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R5F12068GSP#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 Corporation is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The RL78/G15 product line delivers ultra-low-power 8-bit MCUs optimized for cost-sensitive industrial and consumer applications requiring robust analog integration, compact packaging, and extended temperature operation - exemplified by the R5F12068GSP#30's 20-pin LSSOP form factor and G-grade qualification.
FAQ
What is the maximum operating frequency of the R5F12068GSP#30's high-speed on-chip oscillator?
The R5F12068GSP#30 supports a high-speed on-chip oscillator frequency of up to 16 MHz, with ±1.0% accuracy over −20°C to +85°C (G-grade specification). This enables a minimum instruction execution time of 0.0625 μs and eliminates the need for external crystals in many timing-critical applications.
Does the R5F12068GSP#30 support background data flash rewriting while executing code from main flash?
No, the R5F12068GSP#30 does not support background operation (BGO) for data flash rewriting. During data flash write/erase operations, instruction execution from code flash memory is halted. The R5F12068GSP#30 requires careful sequencing of flash operations to avoid disrupting real-time tasks.
How many analog input channels does the R5F12068GSP#30 provide, and what resolution options are available?
The R5F12068GSP#30 provides 11 analog input channels (ANI0–ANI10) with configurable 8-bit or 10-bit resolution. It includes internal reference voltage (0.815 V TYP.) and supports external reference inputs (IVREF0/IVREF1) for both comparators and ADC - enabling high-accuracy measurements without external reference ICs.
What is the purpose of the PCLBUZ0 pin on the R5F12068GSP#30, and which pins support this function?
The PCLBUZ0 pin on the R5F12068GSP#30 provides programmable clock output or buzzer drive capability. It is multiplexed on P02 and P06 in the 20-pin LSSOP package. This allows flexible assignment of tone generation or clock distribution without consuming dedicated timer resources.
Can the R5F12068GSP#30 operate reliably in industrial environments with ambient temperatures up to +105°C?
Yes, the R5F12068GSP#30 is qualified for industrial applications (G-grade) with guaranteed operation from −40°C to +105°C. Its oscillator accuracy remains ±1.0% within −20°C to +85°C and ±1.5% across the full −40°C to +105°C range - ensuring timing integrity in demanding thermal conditions.
R5F12068GSP#30 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 20-LSSOP (0.173", 4.40mm Width)
- Series:
- RL78/G15
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- RL78
- Core Size:
- 16-Bit
- Speed:
- 16MHz
- Connectivity:
- CSI, I2C, SPI, UART/USART
- Peripherals:
- POR, PWM, WDT
- Number of I/O:
- 17
- Program Memory Size:
- 8KB (8K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 1K x 8
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.4V ~ 5.5V
- Data Converters:
- A/D 11x8/10b SAR
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F12068GSP#30 FAQ
1.How can I place an order for R5F12068GSP#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F12068GSP#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 R5F12068GSP#30 reliable?
The price and inventory of R5F12068GSP#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F12068GSP#30 is usually 5 days.
3.What payment methods are accepted for R5F12068GSP#30?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F12068GSP#30 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F12068GSP#30?
R5F12068GSP#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F12068GSP#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 R5F12068GSP#30?
For technical support, including R5F12068GSP#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F12068GSP#30 requirements.
6.How does Aetrix verify that R5F12068GSP#30 is sourced from the original manufacturer or authorized distributors?
All R5F12068GSP#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 R5F12068GSP#30 meets industry standards.
7.What is the process for return or replacement of R5F12068GSP#30?
All R5F12068GSP#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F12068GSP#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 R5F12068GSP#30 part is unused and in its original packaging.
Return procedure for R5F12068GSP#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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