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Renesas R5F12048MSP#70
- Part No.:
- R5F12048MSP#70
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 16-SSOP (0.173", 4.40mm Width)
- Datasheet:
-
R5F12048MSP#70.pdf
- Description:
- 16-BIT GENERAL MCU RL78/G15 8K 1
- Quantity:
- Payment:
- Shipping:
Inventory:4,548
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Product details
Overview
R5F12048MSP#70 from Renesas Electronics is an RL78/G15 16-pin, 8 KB flash, 1 KB RAM, industrial-grade 8/10-bit MCU operating from 2.4 to 5.5 V with −40°C to +125°C ambient rating. It integrates a 16 MHz high-speed on-chip oscillator (±1.0% accuracy at −20°C to +85°C), 7-channel A/D converter, 8-channel 16-bit timer array, and UART + dual simplified I²C + dual simplified SPI interfaces - deployed in motor control and sensor interface modules for HVAC actuators.
For engineers reviewing the R5F12048MSP#70 datasheet, R5F12048MSP#70 pinout, R5F12048MSP#70 application, or R5F12048MSP#70 equivalent, key selection criteria include its M-grade temperature support, SSOP-16 package compatibility, 8 KB code flash with self-programming, and multiplexed analog/digital I/O enabling compact BOMs in thermally demanding embedded systems.
Technical Context
The R5F12048MSP#70 implements the RL78-S2 CPU core with 3-stage pipeline CISC architecture, 1 MB address space, and configurable instruction timing (0.0625 μs min @ 16 MHz). Its clock system supports X1/X2 crystal (1–12 MHz), EXCLK input (1–16 MHz), and selectable high-speed on-chip oscillator (1/2/4/8/16 MHz) with dedicated low-speed 15 kHz watchdog source.
Peripherals include TAU0 timer array (8 channels, PWM-capable), SAU0 serial array (2 channels supporting CSI/UART/I²C modes), 8/10-bit A/D converter with internal 0.815 V reference, dual comparators, and on-chip debug via TOOL0/TOOLRxD/TOOLTxD pins - all managed through peripheral I/O redirection registers (PIOR) for flexible pin assignment.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78-S2 16-bit CISC with 3-stage pipeline, 1 MB address space |
| Flash Memory | 8 KB code flash (1 KB block erase), 1 KB data flash (512 B blocks, 1M rewrite cycles) |
| Operating Voltage | 2.4 V to 5.5 V single supply - enables direct Li-ion or 3.3/5 V rail operation without LDO |
| Temperature Range | −40°C to +125°C (M-grade industrial) - qualified for under-hood automotive and industrial power electronics |
| A/D Converter | 8/10-bit resolution, 7 analog inputs (ANI0–ANI6), internal 0.815 V reference - supports precision sensor signal acquisition |
| Serial Interfaces | 1 UART, 2 simplified I²C (IIC00/IIC01), 2 simplified SPI (CSI00/CSI01) - enables multi-sensor I²C bus and isolated UART comms |
| Timer Resources | 8-channel 16-bit TAU0, 1-channel 12-bit interval timer, 1 watchdog timer - supports motor phase timing and safety monitoring |
Pinout & Package
Package: 16-pin plastic SSOP (4.4 × 5.0 mm, 0.65-mm pitch), RoHS-compliant, lead-free, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00 | Port 0 bit 0 / UART TX / SPI SO | Dual-function digital I/O with hardware UART transmit and SPI output - enables firmware update over serial without GPIO bit-banging |
| P01 | Port 0 bit 1 / UART RX / A/D ANI0 / SDAA0 | Analog input channel 0 + UART receive + I²C slave address acknowledge - supports sensor node with local ADC and I²C master interface |
| P02 | Port 0 bit 2 / Buzzer output / A/D ANI1 / VCOUT0 | Programmable clock/buzzer driver with analog input and comparator output - allows audible feedback and analog threshold detection on same pin |
| P03 | Port 0 bit 3 / A/D ANI2 / Comparator IVCMP0 / TO00 | Comparator input + timer output + analog input - enables zero-crossing detection and PWM-driven actuator control |
| P04 | Port 0 bit 4 / A/D ANI3 / Reference IVREF0 / TI01/TO01 | Internal voltage reference input + timer I/O - supports ratiometric sensor measurement and precise timing capture |
| P05 | Port 0 bit 5 / A/D ANI4 / Timer TI02/TO02 / SO01 | Second SPI output channel + analog input + timer I/O - permits daisy-chained SPI sensors with local ADC sampling |
| P06 | Port 0 bit 6 / A/D ANI5 / SI01 / SCLA0 | I²C clock line + SPI input + analog input - enables shared I²C/SPI bus with analog monitoring capability |
| P07 | Port 0 bit 7 / A/D ANI6 / SCK01 / SDAA0 | I²C slave address acknowledge + SPI clock + analog input - supports multi-drop I²C topology with local analog diagnostics |
| P121/P122 | Crystal oscillator X1/X2 | External 1–12 MHz crystal connection - provides stable timing for communication protocols requiring tight jitter control |
| P125 | RESET / INTP1 / VCOUT0 | Active-low reset with interrupt and comparator output - allows hardware reset assertion and fault signaling on single pin |
| P137 | INTP0 / Timer TI00 | External interrupt input + timer input - supports encoder quadrature decoding or emergency stop detection |
| P40/P41 | Port 4 bits 0/1 / Tool interface / Timer TI01–TI03/TO01–TO03 | On-chip debug I/O + multiple timer functions - enables in-system programming and real-time waveform generation |
| VDD/VSS | Power supply / Ground | Single 2.4–5.5 V supply with dedicated ground - simplifies power design and reduces decoupling component count |
Key Features
| Feature | Design Value |
|---|---|
| Low-power HALT/STOP modes | Reduces current draw to microamp levels during idle - extends battery life in portable industrial monitors |
| Self-programming flash | Enables field firmware updates without boot swap - supports secure OTA upgrades in connected devices |
| Peripheral I/O redirection (PIOR) | Runtime remapping of serial/ADC/timer functions to alternate pins - increases PCB layout flexibility and reuse |
| BCD correction circuit | Hardware-accelerated decimal arithmetic - improves efficiency in display-driven HMI applications |
| Selectable SPOR voltage | Four reset threshold options (2.25/2.68/3.02/4.45 V) - ensures reliable startup across varying input rails |
Applications
| Motor Control Module | Sensor Fusion Node |
|---|---|
Use Scenario: Compact BLDC fan controller in HVAC systems requiring thermal resilience and analog feedback. IC Role / Device Role / Timing Role: Main MCU executing commutation logic, reading hall-effect sensors via 7-channel A/D, generating PWM via TAU0 timers. Use Value: M-grade temperature rating (−40°C to +125°C) and integrated 8 KB flash eliminate external memory, reducing board area by 35% vs. legacy 8-bit solutions. | Use Scenario: Multi-sensor environmental monitor in smart building nodes with CO₂, humidity, and temperature sensing. IC Role / Device Role / Timing Role: Central sensor aggregator using dual simplified I²C buses for concurrent sensor reads and UART for wired backhaul. Use Value: Hardware BCD correction accelerates numeric display updates; 1 KB data flash stores calibration coefficients with 1M rewrite endurance. |
| Industrial Power Supply Monitor | Programmable Logic Controller (PLC) I/O Expander |
Use Scenario: Real-time voltage/current monitoring in DIN-rail mounted AC/DC converters. IC Role / Device Role / Timing Role: Analog front-end processor capturing ripple and transient events via 8/10-bit A/D with internal 0.815 V reference. Use Value: Dual comparators (IVCMP0/IVCMP1) enable independent overvoltage/undervoltage trip detection with VCOUT0/VCOUT1 outputs driving external latches. | Use Scenario: Remote I/O module adding 14 programmable digital inputs/outputs to legacy PLC backplanes. IC Role / Device Role / Timing Role: Protocol bridge translating Modbus RTU (UART) to local GPIO control with interrupt-driven edge detection on INTP0–INTP7. Use Value: 16-bit timer array provides precise pulse-width measurement for encoder inputs; PIOR register allows dynamic pin reassignment during runtime. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F12047MSP#70 | 4 KB code flash, identical package/peripherals/temperature grade | Lower memory footprint suitable for simpler control loops without firmware expansion headroom | Select when application firmware fits within 4 KB and cost optimization is prioritized over future feature scalability |
| R5F12048GSP#70 | Identical 8 KB flash and peripherals but rated for −40°C to +105°C (G-grade) | Targeted at industrial equipment with less extreme thermal environments (e.g., factory floor controllers) | Choose for cost-sensitive G-grade applications where +125°C operation is unnecessary and supply chain availability favors G-stock |
Compared with R5F12047MSP#70 and R5F12048GSP#70, the R5F12048MSP#70 uniquely delivers full 8 KB flash capacity plus extended +125°C operation - making it the only option for thermally constrained designs requiring both memory headroom and maximum ambient tolerance.
Availability
R5F12048MSP#70 is available at Aetrix Electronics and suitable for motor control modules, sensor fusion nodes, industrial power supply monitors, and PLC I/O expanders requiring stable component supply across extended temperature ranges.
Supply support for R5F12048MSP#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 trusted embedded solutions for automotive, industrial, infrastructure, and IoT markets.
The RL78/G15 product line delivers ultra-low-power, cost-optimized MCUs with integrated analog and communication peripherals - designed specifically for resource-constrained industrial controls and sensor-edge applications.
FAQ
What is the maximum operating frequency and clock source flexibility of the R5F12048MSP#70?
The R5F12048MSP#70 supports up to 16 MHz operation using its high-speed on-chip oscillator (selectable 1/2/4/8/16 MHz), external crystal (X1/X2, 1–12 MHz), or external clock input (EXCLK, 1–16 MHz). Its minimum instruction execution time is 0.0625 μs at 16 MHz, and the oscillator accuracy is ±1.0% over −20°C to +85°C for M-grade units. This flexibility allows the R5F12048MSP#70 to meet timing-critical requirements in motor control while maintaining low power in standby.
Does the R5F12048MSP#70 support in-system programming and secure firmware updates?
Yes, the R5F12048MSP#70 supports self-programming of both code and data flash memory without boot swap functionality. It includes flash shield window protection and on-chip debug via TOOL0/TOOLRxD/TOOLTxD pins. Firmware updates can be performed in the field using UART or simplified I²C interfaces, and the 1 MB address space enables robust bootloader partitioning - critical for secure and reliable firmware maintenance in deployed R5F12048MSP#70-based systems.
How many analog input channels and what A/D resolution does the R5F12048MSP#70 provide?
The R5F12048MSP#70 integrates an 8/10-bit successive approximation A/D converter with 7 analog input channels (ANI0–ANI6), internal 0.815 V reference voltage, and support for external reference inputs (IVREF0/IVREF1). Conversion time is programmable, and the peripheral operates across the full 2.4–5.5 V supply range - enabling accurate sensor signal acquisition in R5F12048MSP#70-based environmental monitors and power supply feedback circuits.
What serial communication interfaces are integrated into the R5F12048MSP#70?
The R5F12048MSP#70 integrates one UART channel, two simplified I²C (IIC00/IIC01) channels, and two simplified SPI (CSI00/CSI01) channels - all implemented in the SAU0 serial array unit. These interfaces support simultaneous operation, with hardware address recognition for I²C slaves and configurable frame formats for SPI. This enables the R5F12048MSP#70 to serve as a central hub connecting multiple sensors, displays, and host controllers in compact industrial nodes.
What is the temperature grade and package type of the R5F12048MSP#70?
The R5F12048MSP#70 is an M-grade industrial device rated for −40°C to +125°C ambient operation and housed in a 16-pin plastic SSOP package (4.4 × 5.0 mm, 0.65-mm pitch). This package is RoHS-compliant, lead-free, and moisture sensitivity level 3 - suitable for reflow soldering in high-volume manufacturing. The M-grade qualification makes the R5F12048MSP#70 appropriate for under-hood automotive modules and industrial power electronics where extended thermal performance is mandatory.
R5F12048MSP#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 ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F12048MSP#70 FAQ
1.How can I place an order for R5F12048MSP#70 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F12048MSP#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 R5F12048MSP#70 reliable?
The price and inventory of R5F12048MSP#70 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F12048MSP#70 is usually 5 days.
3.What payment methods are accepted for R5F12048MSP#70?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F12048MSP#70 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F12048MSP#70?
R5F12048MSP#70 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F12048MSP#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 R5F12048MSP#70?
For technical support, including R5F12048MSP#70 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F12048MSP#70 requirements.
6.How does Aetrix verify that R5F12048MSP#70 is sourced from the original manufacturer or authorized distributors?
All R5F12048MSP#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 R5F12048MSP#70 meets industry standards.
7.What is the process for return or replacement of R5F12048MSP#70?
All R5F12048MSP#70 units undergo pre-shipment inspection (PSI). If there is an issue with R5F12048MSP#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 R5F12048MSP#70 part is unused and in its original packaging.
Return procedure for R5F12048MSP#70:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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