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Renesas R5F12048ASP#10
- Part No.:
- R5F12048ASP#10
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 16-SSOP (0.173", 4.40mm Width)
- Datasheet:
-
R5F12048ASP#10.pdf
- Description:
- 16BIT MCU RL78/G15 8K 16SSOP -40
- Quantity:
- Payment:
- Shipping:
Inventory:3,289
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Product details
Overview
R5F12048ASP#10 from Renesas Electronics is a 16-pin RL78/G15 16-bit microcontroller with 8 KB code flash, 1 KB data flash, and 1 KB RAM, operating from 2.4 V to 5.5 V. It integrates an 8/10-bit ADC (7 channels), 8-channel 16-bit timer array, UART, dual simplified SPI (CSI), dual simplified I²C, and comparator - designed for industrial sensor nodes and low-power control in TA = −40°C to +105°C environments.
For engineers reviewing the R5F12048ASP#10 datasheet, R5F12048ASP#10 pinout, R5F12048ASP#10 application, or R5F12048ASP#10 equivalent, key selection criteria include its 16-pin SSOP package, 8 KB flash capacity, 7-channel analog input capability, high-speed on-chip oscillator accuracy (±1.0% at −20°C to +85°C), and support for STOP/HALT low-power modes in industrial-grade temperature range.
Technical Context
The R5F12048ASP#10 implements the RL78 CPU core with CISC architecture and 3-stage pipeline, enabling minimum instruction execution time of 0.0625 μs at 16 MHz. Its clock system combines selectable high-speed on-chip oscillator (1–16 MHz), low-speed on-chip oscillator (15 kHz), and external crystal support (X1/X2, up to 12 MHz).
Peripheral integration includes TAU0 timer array (8 channels), SAU0 serial array unit supporting UART, CSI, and simplified I²C, plus dedicated hardware for BCD adjustment and programmable clock/buzzer output (PCLBUZ0). Interrupt handling supports 16 internal and 8 external vectored sources with priority control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline; enables deterministic real-time control with 0.0625 μs min instruction time @16 MHz |
| Memory | 8 KB code flash (1 KB block erase), 1 KB data flash (512 B blocks), 1 KB RAM - supports field firmware updates and parameter storage |
| Analog Peripherals | 8/10-bit ADC with 7 input channels and internal 0.815 V reference; comparator with internal/external reference selection |
| Timers & PWM | 8-channel 16-bit timer array (TAU0), 12-bit interval timer, watchdog timer - delivers up to 6 PWM outputs with configurable dead time |
| Communication Interfaces | 1 UART channel, 2 simplified SPI (CSI) channels, 2 simplified I²C channels, 1 full I²C bus - enables multi-sensor connectivity without external level shifters |
| Power & Temp | 2.4–5.5 V supply; HALT/STOP low-power modes; rated for −40°C to +105°C (G-grade industrial) |
| Oscillator Accuracy | High-speed on-chip oscillator ±1.0% (−20°C to +85°C); ±1.5% (−40°C to −20°C or +85°C to +105°C) |
Pinout & Package
Package: 16-pin plastic SSOP (4.4 × 5.0 mm, 0.65-mm pitch), RoHS-compliant, lead-free.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P41 | Timer I/O / Interrupt Input | TI03/TO03 with INTP4 assignment; supports PWM generation and external event capture |
| P40 | Debug / Timer I/O | TOOL0 debug interface and TI01/TO01 timer function; enables in-circuit programming and timing signal routing |
| P125 | Reset / Interrupt Input | Active-low RESET with selectable POR threshold (2.25–4.45 V); supports robust power-up sequencing |
| P137 | Interrupt Input / Timer Input | INTP0 and TI00; primary wake-up source from STOP mode and basic timer input |
| P00–P07 | General-purpose I/O / Analog / Serial | Configurable as digital I/O, ADC inputs (ANI0–ANI6), SCK00/SCL00, SI00/RxD0, SO00/TxD0 - provides flexible peripheral mapping |
| X1/X2 | Crystal Oscillator Terminals | Supports 1–12 MHz external crystal for precise timing; requires external load capacitors per layout guidelines |
| VDD/VSS | Power Supply / Ground | Single 2.4–5.5 V supply rail; decoupling required per Renesas layout recommendations for noise immunity |
Key Features
| Feature | Design Value |
|---|---|
| Low-power operation | HALT mode (1.2 μA typical), STOP mode (0.52 μA typical) - extends battery life in portable industrial sensors |
| On-chip debug | Fully integrated on-chip debug interface via TOOL0/TOOLRxD/TOOLTxD pins - eliminates need for external JTAG emulator during development |
| Data flash endurance | 1,000,000 write/erase cycles at VDD = 2.4–5.5 V - enables reliable logging and configuration storage in field-deployed devices |
| Peripheral I/O redirection | PIOR registers allow dynamic remapping of serial, timer, and interrupt functions to alternate pins - simplifies PCB layout and reuse across variants |
| Comparator flexibility | Dual-mode operation (high-speed/low-power) with selectable internal (0.815 V) or external reference voltage - supports precision threshold detection in varying conditions |
Applications
| Industrial Sensor Node | Smart Thermostat Controller |
|---|---|
Use Scenario: Compact environmental monitoring unit measuring temperature, humidity, and air quality using analog and digital sensors. IC Role / Device Role / Timing Role: Central controller managing ADC sampling, sensor communication (I²C/UART), local display, and wireless module wakeup scheduling. Use Value: 7-channel ADC, dual simplified I²C, and STOP-mode current <0.55 μA enable continuous sensing with multi-year battery life in unattended deployments. | Use Scenario: Residential HVAC control panel with touch interface, temperature feedback, and relay actuation. IC Role / Device Role / Timing Role: Real-time thermal regulation engine executing PID loops, driving buzzer alerts (PCLBUZ0), and managing user input interrupts. Use Value: Integrated 8-channel timer array supports simultaneous PWM fan control, buzzer tone generation, and precise interval timing for sensor polling without external timers. |
| Programmable Logic Relay | Energy Metering Subsystem |
Use Scenario: DIN-rail mounted industrial relay with configurable I/O, logic rules, and Modbus RTU communication. IC Role / Device Role / Timing Role: Deterministic logic executor using TAU0 timers for pulse-width modulation and edge-triggered input capture on P137/P125. Use Value: 8 KB flash stores complex ladder logic firmware; 16-bit timer resolution (1 μs @1 MHz) ensures accurate timing for motor control sequences. | Use Scenario: Secondary metering unit in smart grid infrastructure monitoring voltage, current, and power factor. IC Role / Device Role / Timing Role: Precision analog front-end controller acquiring synchronized samples via ADC and computing RMS values using on-chip BCD correction. Use Value: Internal 0.815 V reference and 8/10-bit ADC deliver stable measurement accuracy across −40°C to +105°C without external references. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F12047ASP#10 | 4 KB code flash (vs. 8 KB), identical pinout, same peripherals and package | Suitable for simpler firmware with lower memory footprint; no change to PCB or driver stack | Select when application firmware fits within 4 KB and cost optimization is prioritized |
| R5F12048GSP#10 | Same 8 KB flash, identical functionality, but G-grade (−40°C to +105°C) vs. M-grade (−40°C to +125°C) rating | Valid for most industrial environments except extended-temperature enclosures or under-hood automotive | Choose R5F12048GSP#10 if ambient operating temperature remains ≤+105°C and higher-temperature qualification is unnecessary |
Compared with R5F12047ASP#10, the R5F12048ASP#10 provides double flash capacity for feature-rich firmware while maintaining pin and peripheral compatibility; versus R5F12048GSP#10, it offers extended +125°C operation for harsher thermal environments without altering code or layout.
Availability
R5F12048ASP#10 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart thermostat controllers, programmable logic relays, and energy metering subsystems requiring stable component supply across extended temperature ranges.
Supply support for R5F12048ASP#10 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 delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT markets with over 40 years of microcontroller innovation.
The RL78/G15 product line targets cost-sensitive, ultra-low-power industrial control applications - emphasizing rapid time-to-market through integrated peripherals, robust flash reliability, and seamless toolchain support with e² studio and CS+.
FAQ
What is the maximum operating frequency and instruction execution time of the R5F12048ASP#10?
The R5F12048ASP#10 supports a maximum high-speed on-chip oscillator frequency of 16 MHz, yielding a minimum instruction execution time of 0.0625 μs. This timing assumes high-speed on-chip oscillator operation with no wait states; actual performance may vary slightly depending on flash access configuration and voltage conditions.
Does the R5F12048ASP#10 support external crystal oscillators, and what are the supported frequency ranges?
Yes, the R5F12048ASP#10 supports external crystal oscillators via X1 and X2 pins, with a specified frequency range of 1 MHz to 12 MHz. The device also accepts external clock input (EXCLK) from 1 MHz to 16 MHz, providing flexibility for precision timing or synchronization with system clocks.
How many analog input channels does the R5F12048ASP#10 provide, and what ADC resolution options are available?
The R5F12048ASP#10 features an 8/10-bit resolution successive approximation register (SAR) ADC with 7 analog input channels (ANI0–ANI6). Resolution is software-selectable per conversion, and the internal 0.815 V reference enables stable measurements independent of VDD fluctuations.
What low-power modes are available on the R5F12048ASP#10, and what are their typical current consumptions?
The R5F12048ASP#10 offers HALT mode (1.2 μA typical) and STOP mode (0.52 μA typical) at VDD = 3.0 V and TA = 25°C. Both modes retain RAM content and allow wake-up via selected interrupts or reset, making them ideal for battery-powered industrial monitoring applications.
Is the R5F12048ASP#10 pin-compatible with other RL78/G15 variants in the same package?
Yes, the R5F12048ASP#10 is pin-compatible with all 16-pin SSOP RL78/G15 variants including R5F12047ASP#10 and R5F12048GSP#10. Identical pin functions, electrical characteristics, and package dimensions ensure drop-in replacement capability within the same temperature grade family.
R5F12048ASP#10 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 16-SSOP (0.173", 4.40mm Width)
- Series:
- RL78/G15
- Packaging:
- Tray
- 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:
- 13
- 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 7x8/10b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F12048ASP#10 FAQ
1.How can I place an order for R5F12048ASP#10 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F12048ASP#10 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 R5F12048ASP#10 reliable?
The price and inventory of R5F12048ASP#10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F12048ASP#10 is usually 5 days.
3.What payment methods are accepted for R5F12048ASP#10?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F12048ASP#10 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F12048ASP#10?
R5F12048ASP#10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F12048ASP#10 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 R5F12048ASP#10?
For technical support, including R5F12048ASP#10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F12048ASP#10 requirements.
6.How does Aetrix verify that R5F12048ASP#10 is sourced from the original manufacturer or authorized distributors?
All R5F12048ASP#10 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 R5F12048ASP#10 meets industry standards.
7.What is the process for return or replacement of R5F12048ASP#10?
All R5F12048ASP#10 units undergo pre-shipment inspection (PSI). If there is an issue with R5F12048ASP#10, 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 R5F12048ASP#10 part is unused and in its original packaging.
Return procedure for R5F12048ASP#10:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F12048ASP#10 Tags
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