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Renesas R5F12048ASP#70
- Part No.:
- R5F12048ASP#70
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 16-SSOP (0.173", 4.40mm Width)
- Datasheet:
-
R5F12048ASP#70.pdf
- Description:
- 16-BIT GENERAL MCU RL78/G15 8K 1
- Quantity:
- Payment:
- Shipping:
Inventory:2,967
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Product details
Overview
R5F12048ASP#70 from Renesas Electronics is an RL78/G15 16-pin, 8 KB flash, 1 KB RAM, 8/10-bit ADC microcontroller operating from 2.4 V to 5.5 V. It integrates a 16 MHz high-speed on-chip oscillator (±1.0% accuracy at −20°C to +85°C), 8-channel 16-bit timer array, UART, two simplified SPI (CSI) channels, and two simplified I²C channels - deployed in industrial sensor nodes requiring low-power operation up to +105°C.
For engineers reviewing the R5F12048ASP#70 datasheet, R5F12048ASP#70 pinout, R5F12048ASP#70 application, or R5F12048ASP#70 equivalent, this page delivers verified electrical specs, SSOP-16 package mapping, real-world use cases for motor control and smart metering, and validated alternative parts with documented functional and packaging differences.
Technical Context
The R5F12048ASP#70 implements the RL78 CPU core with CISC architecture and 3-stage pipeline, supporting minimum instruction execution time of 0.0625 μs at 16 MHz. Its memory subsystem includes 8 KB code flash (1 KB block size), 1 KB data flash (512 B block, 1M rewrite cycles), and 1 KB on-chip RAM - all accessible under single-supply operation.
Peripherals include dual simplified I²C interfaces (IIC00/IIC01), two CSI channels (SCK00/SI00/SO00 and SCK01/SI01/SO01), UART0, 7-channel 8/10-bit ADC with internal 0.815 V reference, two comparators, and programmable clock/buzzer output (PCLBUZ0). Power management supports HALT and STOP modes with selectable power-on-reset (SPOR) at four voltage thresholds.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 CPU, CISC, 3-stage pipeline, 1 MB address space |
| Flash / RAM | 8 KB code flash (1 KB erase blocks), 1 KB data flash (512 B blocks, 1M rewrites), 1 KB SRAM |
| Operating Voltage | 2.4 V to 5.5 V - enables direct interface with 3.3 V and 5 V logic without level shifters |
| Oscillator | High-speed on-chip oscillator: 1–16 MHz selectable; ±1.0% accuracy (−20°C to +85°C, G-grade) |
| ADC | 8/10-bit resolution, 7 input channels (ANI0–ANI6), internal 0.815 V reference, VDD-referenced operation |
| Timers | 8-channel 16-bit timer array (TAU0), 1-channel 12-bit interval timer, 1-channel watchdog timer |
| I/O Count | 14 total I/O pins (13 CMOS I/O + 1 CMOS input), including 2 N-ch open-drain outputs (VDD-tolerant) |
Pinout & Package
Package: 16-pin plastic SSOP (4.4 × 5.0 mm, 0.65-mm pitch), RoHS-compliant, JEDEC MS-012AC compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00 | TOOLTxD / SO00 / TxD0 | UART transmit output or serial data output; supports tool communication and peripheral control |
| P01 | TOOLRxD / ANI0 / SI00 / RxD0 / SDA00 | UART receive input, analog input channel 0, I²C data line - multiplexed for debug and sensing |
| P02 | PCLBUZ0 / ANI1 / VCOUT0 / SCK00 / SCL00 | Programmable clock/buzzer output, analog input 1, comparator output, SPI/I²C clock - shared timing resource |
| P03 | ANI2 / IVCMP0 / TO00 | Analog input 2, comparator input, timer output - enables analog-triggered PWM generation |
| P04 | ANI3 / IVREF0 / TI01 / TO01 | Analog input 3, comparator reference input, timer input/output - supports precision threshold detection |
| P05 | ANI4 / TI02 / TO02 / SO01 | Analog input 4, timer I/O, serial output - allows synchronized analog capture and serial streaming |
| P06 | ANI5 / SI01 / SDA01 / SCK00 / SCL00 | Analog input 5, second SPI/I²C data line - enables dual-sensor I²C bus or daisy-chain configuration |
| P07 | ANI6 / SCK01 / SCL01 / SDAA0 | Analog input 6, secondary I²C clock/data - supports isolated sensor interface with dedicated bus |
| P40 | TOOL0 / INTP2 / TI01 / TO01 | Debug interface pin and external interrupt source - used for firmware update and event wakeup |
| P41 | TI03 / TO03 / INTP4 | Timer channel 3 I/O with interrupt capability - extends PWM or capture functionality beyond base TAU0 set |
| P121 / P122 | X1 / X2 / EXCLK | Crystal oscillator inputs or external clock input - enables precise timing via 1–12 MHz crystal or system clock feed |
| P125 | RESET / INTP1 | Active-low reset input with interrupt capability - supports both hardware reset and software-triggered recovery |
| P137 | INTP0 / TI00 | Primary external interrupt input and timer channel 0 input - critical for real-time edge detection |
| VDD | Power supply | Single 2.4–5.5 V supply rail - powers core, peripherals, and I/O simultaneously |
| VSS | Ground | Dedicated ground reference - required for stable ADC conversion and noise-sensitive analog operation |
Key Features
| Feature | Design Value |
|---|---|
| True low-power platform | 54 µA/MHz active current at TA = 125°C - enables battery-powered operation in harsh environments |
| On-chip debug function | Integrated TOOL0/TOOLRxD/TOOLTxD interface - eliminates need for external JTAG emulator during development |
| Self-programming flash | Code flash writes without boot swap; data flash rewrites at full VDD range (2.4–5.5 V) - supports field firmware updates |
| Flexible clock system | Three clock sources: high-speed on-chip (1–16 MHz), low-speed on-chip (15 kHz), and external crystal (1–12 MHz) - ensures robust timing across operating conditions |
| Industrial temperature grade | G-grade: −40°C to +105°C ambient operation - qualified for HVAC, industrial automation, and motor drive applications |
| Peripheral I/O redirection | PIOR registers enable dynamic remapping of CSI, I²C, and UART signals to alternate pins - improves PCB layout flexibility |
Applications
| Motor Control Interface | Smart Energy Metering |
|---|---|
|
Use Scenario: Compact BLDC motor controller in HVAC blowers with integrated current sensing and commutation logic. IC Role / Device Role / Timing Role: Main MCU executing FOC algorithm, sampling 3-phase currents via 7-channel ADC, generating 6-PWM signals using TAU0 timer outputs. Use Value: Single-chip solution reduces BOM count; 8 KB flash accommodates sensor fusion and communication stacks; SSOP-16 footprint fits tight mechanical envelopes. |
Use Scenario: Residential electricity meter with tamper detection, pulse counting, and RS-485 communication. IC Role / Device Role / Timing Role: System controller managing metrology ADC interface, EEPROM logging, UART-to-RS485 bridge, and real-time clock synchronization. Use Value: Dual simplified I²C channels isolate metrology IC from display module; 1 KB data flash stores calibration coefficients with 1M-cycle endurance. |
| Industrial Sensor Node | Appliance Control Panel |
|
Use Scenario: Wireless temperature/humidity node with analog sensor inputs and BLE host interface. IC Role / Device Role / Timing Role: Sensor aggregator digitizing ANI0–ANI6, performing linearization, and buffering data for low-power BLE transmission. Use Value: 8/10-bit ADC with internal reference eliminates external VREF IC; HALT mode draws sub-µA standby current between measurements. |
Use Scenario: Microwave oven control board managing keypad scan, display driver, relay sequencing, and safety interlocks. IC Role / Device Role / Timing Role: Primary application controller handling user input, state machine execution, buzzer feedback (PCLBUZ0), and fault monitoring via comparator inputs. Use Value: Two comparators (IVCMP0/IVCMP1) monitor door switch and thermal cutoff voltages; 14 GPIOs support matrix keypad and LED drivers without expanders. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F12047ASP#70 | 4 KB code flash (vs. 8 KB), identical package, pinout, and peripheral set | Suitable for simpler firmware with smaller code footprint; no change to PCB or driver stack | Select when application binary size remains under 3.5 KB after linker optimization and debug symbols removal |
| R5F12048GSP#70 | Identical electrical and functional spec; differs only in marking (G vs. blank) indicating G-grade qualification (−40°C to +105°C) | Same industrial use cases; R5F12048ASP#70 is A-grade (−40°C to +85°C), not rated for +105°C ambient | Choose R5F12048GSP#70 for designs requiring guaranteed operation above +85°C ambient - e.g., enclosed motor drives or solar inverters |
Compared with R5F12048ASP#70, R5F12047ASP#70 reduces flash capacity but maintains full peripheral compatibility for cost-sensitive volume production, while R5F12048GSP#70 provides extended temperature qualification without altering design or layout - enabling seamless upgrade paths for thermal margin validation.
Availability
R5F12048ASP#70 is available at Aetrix Electronics and suitable for industrial motor control, smart metering, sensor node deployment, and appliance control systems requiring stable component supply across multi-year production cycles.
Supply support for R5F12048ASP#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 Corporation is a global semiconductor leader delivering microcontrollers, analog, power, and SoC solutions for automotive, industrial, infrastructure, and IoT markets.
The RL78/G15 product line targets cost-sensitive, ultra-low-power embedded applications in consumer and industrial equipment - emphasizing integrated analog, flexible clocking, and robust debug capabilities without external components.
FAQ
What is the maximum operating temperature specification for the R5F12048ASP#70?
The R5F12048ASP#70 is specified for A-grade operation: −40°C to +85°C ambient temperature. It is not qualified for industrial +105°C operation - that requires the R5F12048GSP#70 variant. The device's electrical characteristics, including oscillator accuracy and ADC performance, are guaranteed only within this A-grade range per the R01DS0420EJ0140 datasheet revision 1.40.
Does the R5F12048ASP#70 support in-system programming via its UART interface?
Yes, the R5F12048ASP#70 supports in-system programming using the on-chip UART bootloader. The TOOLRxD and TOOLTxD pins (P01 and P00) provide the physical interface, and the built-in ROM-resident bootloader enables flash programming without external debug hardware - provided the option bytes are configured to enable the UART boot mode and the target memory region is unlocked.
How many analog input channels does the R5F12048ASP#70 support, and what is their resolution?
The R5F12048ASP#70 supports 7 analog input channels (ANI0 through ANI6) with configurable 8-bit or 10-bit resolution. Conversion uses VDD as reference by default, but an internal 0.815 V reference (IVREF0) is available for ANI3 and ANI6. All channels operate across the full 2.4 V to 5.5 V supply range without external scaling.
Can the R5F12048ASP#70 generate PWM signals, and how many independent outputs are available?
Yes, the R5F12048ASP#70 can generate PWM signals using its 8-channel 16-bit timer array (TAU0). Up to 6 independent PWM outputs are available - with 4 capable of complementary output pairs - depending on channel configuration and peripheral I/O redirection register (PIOR) settings. Output pins include TO00, TO01, TO02, TO03, TO05, and TO07, mapped to P03, P04, P05, P41, P122, and P121 respectively.
What package type and pin count does the R5F12048ASP#70 use?
The R5F12048ASP#70 uses a 16-pin plastic SSOP (Shrink Small Outline Package) with 0.65-mm pitch, measuring 4.4 mm × 5.0 mm. This package is distinct from the HWQFN variant (R5F12048ANA#xx) and is compatible with standard surface-mount assembly processes and reflow profiles for lead-free soldering.
R5F12048ASP#70 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#70 FAQ
1.How can I place an order for R5F12048ASP#70 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F12048ASP#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 R5F12048ASP#70 reliable?
The price and inventory of R5F12048ASP#70 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F12048ASP#70 is usually 5 days.
3.What payment methods are accepted for R5F12048ASP#70?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F12048ASP#70 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F12048ASP#70?
R5F12048ASP#70 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F12048ASP#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 R5F12048ASP#70?
For technical support, including R5F12048ASP#70 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F12048ASP#70 requirements.
6.How does Aetrix verify that R5F12048ASP#70 is sourced from the original manufacturer or authorized distributors?
All R5F12048ASP#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 R5F12048ASP#70 meets industry standards.
7.What is the process for return or replacement of R5F12048ASP#70?
All R5F12048ASP#70 units undergo pre-shipment inspection (PSI). If there is an issue with R5F12048ASP#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 R5F12048ASP#70 part is unused and in its original packaging.
Return procedure for R5F12048ASP#70:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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