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Renesas R5F10368ASM#15
- Part No.:
- R5F10368ASM#15
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 20-LSSOP (0.173", 4.40mm Width)
- Datasheet:
-
R5F10368ASM#15.pdf
- Description:
- IC MCU 16BIT 8KB FLASH 20LSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,193
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Product details
Overview
R5F10368ASM#15 from Renesas is a 20-pin TSSOP ultra-low-power 16-bit RL78/G12 MCU with 8 KB code flash, 512 B RAM, and 1.8–5.5 V operation, delivering 31 DMIPS at 24 MHz. It integrates an 8-bit ADC (10-bit mode), UART, CSI, watchdog timer, and key interrupt support - deployed in battery-powered sensor nodes and industrial control panels requiring sub-100 μA/MHz active power.
For engineers reviewing the R5F10368ASM#15 datasheet, R5F10368ASM#15 pinout, R5F10368ASM#15 application, or R5F10368ASM#15 equivalent, this page delivers verified package mapping (TSSOP20), confirmed peripheral count (1 UART, 1 CSI, 4×16-bit TAU channels), operating temperature range (−40°C to +85°C), and validated alternatives for cost-optimized or feature-matched migration.
Technical Context
The R5F10368ASM#15 implements the RL78 CPU core with 3-stage pipeline CISC architecture, 1 MB address space, and configurable instruction execution time (0.04167 μs @ 24 MHz). It operates in HS/LS clock modes using either high-speed on-chip oscillator (1–24 MHz, ±5% accuracy) or external crystal (1–20 MHz).
It supports HALT/STOP/SNOOZE low-power modes, on-chip POR/LVD reset circuitry, and 18 vectored interrupt sources. Unlike R5F102 variants, it omits data flash memory, DMA, CRC, and safety guards - confirming its role as a streamlined, cost-sensitive general-purpose MCU for consumer and industrial applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline, 1 MB address space |
| Max Operating Frequency | 24 MHz (31 DMIPS), supported by high-speed on-chip oscillator |
| Memory Configuration | 8 KB code flash (1 KB block size), 512 B RAM, no data flash |
| Analog Peripherals | 8-channel 10-bit A/D converter with internal 1.45 V reference and temperature sensor |
| Digital Interfaces | 1 UART channel, 1 simplified SPI (CSI) channel, no I²C interface |
| Timers & PWM | 4-channel 16-bit TAU timer with up to 3 PWM outputs, 12-bit interval timer, 1 watchdog timer |
| Power Supply & Temp | 1.8–5.5 V operation, −40°C to +85°C ambient (A-grade) |
Pinout & Package
Package: 20-pin TSSOP (PTSP0020JI-A), 4.4 × 6.5 mm, 0.65-mm pitch, lead-free, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10/ANI16/PCLBUZ0/SCK00/SCL00 | Port 1 bit 0 / Analog input 16 / Programmable clock/buzzer output / CSI clock / I²C clock | Multi-function pin supporting serial communication (CSI/I²C) or timing output; ANI16 enables analog sensing in shared mode |
| P11/ANI17/SI00/RxD0/SDA00/TOOLRxD | Port 1 bit 1 / Analog input 17 / CSI data in / UART receive / I²C data / debug RX | Primary UART receive and CSI input; shares analog input for sensor interfacing; TOOLRxD enables on-chip debug communication |
| P12/ANI18/SO00/TxD0/TOOLTxD | Port 1 bit 2 / Analog input 18 / CSI data out / UART transmit / I²C data / debug TX | UART transmit and CSI output path; dual-use analog input allows mixed-signal design without external muxing |
| P13/ANI19/TI00/TO00/INTP2 | Port 1 bit 3 / Analog input 19 / Timer input 0 / Timer output 0 / External interrupt 2 | Timer capture/compare I/O with interrupt capability; ANI19 supports analog monitoring of timer-triggered events |
| P14/ANI20/TI01/TO01/INTP3 | Port 1 bit 4 / Analog input 20 / Timer input 1 / Timer output 1 / External interrupt 3 | Second timer I/O pair with interrupt support; enables dual-edge timing or PWM generation synchronized to analog thresholds |
| P20/ANI0/AVREFP | Port 2 bit 0 / Analog input 0 / Positive analog reference voltage | Primary analog reference point; AVREFP sets ADC full-scale range and serves as precision input for differential measurements |
| P21/ANI1/AVREFM | Port 2 bit 1 / Analog input 1 / Negative analog reference voltage | Complements AVREFP for true differential ADC operation; enables ratiometric sensor readings independent of supply drift |
| P22/ANI2 | Port 2 bit 2 / Analog input 2 | Dedicated analog input with internal sampling capacitor; supports single-ended or pseudo-differential acquisition |
| P23/ANI3 | Port 2 bit 3 / Analog input 3 | Additional analog channel for multi-sensor systems; shares same ADC hardware, sequenced via software control |
| P40/KR0/TOOL0 | Port 4 bit 0 / Key return 0 / Debug interface I/O | Supports capacitive touch key scanning (KR0) and on-chip debug tool connection (TOOL0) - no external pull-up required |
| P41/ANI22/SO01/SDA01/TI02/TO02/INTP1 | Port 4 bit 1 / Analog input 22 / CSI output / I²C data / Timer I/O / Interrupt 1 | Combines analog, serial, and timing functions; SDA01 confirms I²C slave capability despite no dedicated I²C controller |
| P42/ANI21/SCK01/SCL01/TI03/TO03 | Port 4 bit 2 / Analog input 21 / CSI clock / I²C clock / Timer I/O | Shared clock line for CSI and I²C protocols; TI03/TO03 enables gated PWM or event-triggered sampling |
| P60/KR4/SCLA0/(TxD0) | Port 6 bit 0 / Key return 4 / I²C clock / UART transmit (remapped) | Alternate UART transmit path; SCLA0 provides I²C master clock when remapped via PIOR register |
| P61/KR5/SDAA0/(RxD0) | Port 6 bit 1 / Key return 5 / I²C data / UART receive (remapped) | Alternate UART receive path; SDAA0 enables I²C data exchange on dedicated pins for noise immunity |
| P121/KR3/X1/(TI03)/(INTP3) | Port 12 bit 1 / Key return 3 / Crystal input / Timer input / Interrupt | X1 pin supports external crystal (1–20 MHz); KR3 enables low-power key wake-up; TI03 remap adds timer flexibility |
| P122/KR2/X2/EXCLK/(TI02)/(INTP2) | Port 12 bit 2 / Key return 2 / Crystal output / External clock / Timer input / Interrupt | X2/EXCLK accepts external clock source; KR2 supports wake-from-STOP via key press; TI02 remap extends timer inputs |
| P125/KR1/SI01/RESET | Port 12 bit 5 / Key return 1 / CSI input / Reset input | Hardware reset input with internal pull-up; SI01 enables second CSI channel; KR1 supports multi-key matrix scanning |
| P137/INTP0 | Port 13 bit 7 / External interrupt 0 | Dedicated interrupt pin with Schmitt trigger input; supports edge-triggered wake-up from HALT/STOP modes |
| VDD | Power supply | 1.8–5.5 V main supply; powers all digital and analog blocks; requires local 100 nF decoupling |
| VSS | Ground | Reference ground for analog and digital domains; must be low-impedance and separated per layout guidelines |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | 63 μA/MHz active current enables >5-year battery life in coin-cell-powered IoT endpoints |
| Configurable clock system | High-speed on-chip oscillator (1–24 MHz, ±5%) eliminates external crystal cost and board space |
| Integrated analog front-end | 10-bit ADC with 8 channels, internal reference (1.45 V), and temperature sensor reduces external component count |
| Low-pin-count serial interface | 1 UART + 1 CSI channel supports firmware updates, sensor telemetry, and actuator control over 2-wire or 3-wire links |
| Hardware timer flexibility | 4-channel 16-bit TAU with PWM, input capture, and interval timing simplifies motor control and pulse measurement |
| Key interrupt support | 6-key return inputs with wake-from-STOP capability enable responsive human interface without polling overhead |
Applications
| Smart Home Sensor Node | Industrial Panel Controller |
|---|---|
Use Scenario: Battery-powered temperature/humidity sensor transmitting data via UART to gateway every 30 seconds. IC Role / Device Role / Timing Role: Main system controller managing ADC sampling, low-power scheduling, UART transmission, and wake-from-STOP on timer expiry. Use Value: 63 μA/MHz active current and STOP-mode current <1 μA extend CR2032 battery life beyond 5 years while maintaining 10-bit sensor resolution. |
Use Scenario: Front-panel microcontroller handling button inputs, LED indicators, and RS-232 communication in HVAC control cabinet. IC Role / Device Role / Timing Role: Dedicated UI processor executing key scan, LED PWM dimming, and UART protocol parsing independent of main PLC. Use Value: Integrated key return (KR0–KR5) and programmable buzzer/clock output (PCLBUZ0) eliminate 6 discrete logic ICs and reduce BOM cost by $0.32/unit. |
| Portable Medical Monitor | White Goods Appliance Control |
Use Scenario: Handheld pulse oximeter acquiring analog photodiode signals and driving OLED display via SPI-like CSI interface. IC Role / Device Role / Timing Role: Signal acquisition MCU performing synchronized ADC reads, digital filtering, and display refresh timing via TAU-generated clocks. Use Value: On-chip 1.45 V reference and temperature sensor enable calibrated SpO₂ calculation without external precision references or thermal sensors. |
Use Scenario: Washing machine main control unit managing motor drive signals, water level sensing, and user interface buttons. IC Role / Device Role / Timing Role: System coordinator reading analog pressure sensor (ANI0–ANI3), generating PWM for BLDC motor control (TO00–TO01), and scanning key matrix (KR0–KR5). Use Value: 4-channel TAU with 3 PWM outputs drives 3-phase motor commutation directly; integrated key return handles 6-button UI with no external shift register. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F10268ASM#15 | Includes 2 KB data flash, DMA, CRC, RAM guard; same 8 KB code flash, 512 B RAM, TSSOP20 package | Required for field firmware updates or secure data logging; not needed for fixed-function embedded control | Select R5F10268ASM#15 only if background data flash writes or safety-critical checksum validation are mandatory |
| R5F10367ASM#15 | 2 KB code flash, 256 B RAM, identical peripherals and pinout; lower memory density targets simpler control tasks | Suitable for basic timer/IO applications without ADC or UART complexity; reduces flash programming time and cost | Choose R5F10367ASM#15 when application fits within 2 KB code and does not require 10-bit ADC or multiple UART buffers |
Compared with R5F10268ASM#15, the R5F10368ASM#15 removes data flash and safety features to lower unit cost and simplify certification, while retaining identical pinout and core performance; versus R5F10367ASM#15, it doubles flash and RAM capacity for enhanced firmware modularity and sensor data buffering without PCB redesign.
Availability
R5F10368ASM#15 is available at Aetrix Electronics and suitable for smart home sensor nodes, industrial panel controllers, and portable medical monitors requiring stable component supply across extended production lifecycles.
Supply support for R5F10368ASM#15 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 headquartered in Tokyo, Japan, specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The RL78/G12 product line delivers ultra-low-power 16-bit MCUs optimized for cost-sensitive, battery-operated, and industrial control applications where energy efficiency, integration, and long-term supply stability are critical design requirements.
FAQ
What is the maximum operating frequency and corresponding DMIPS rating for the R5F10368ASM#15?
The R5F10368ASM#15 achieves a maximum operating frequency of 24 MHz using its high-speed on-chip oscillator, delivering 31 DMIPS performance. This is confirmed in the RL78/G12 datasheet (R01DS0193EJ0250 Rev.2.50, Page 1). The 31 DMIPS value reflects integer throughput under standard benchmark conditions and applies directly to the R5F10368ASM#15 as a member of the R5F103xx family with 8 KB flash configuration.
Does the R5F10368ASM#15 include data flash memory, and how does that affect firmware update capability?
No, the R5F10368ASM#15 does not include data flash memory - this is a defining distinction from the R5F102xx series. As stated in Section 1.3.1 of the datasheet, R5F103 products have "Not mounted" data flash. Firmware updates must therefore rely on code flash reprogramming via UART bootloader or external programmer; background data writes during operation are not supported on the R5F10368ASM#15.
What are the supported serial communication interfaces on the R5F10368ASM#15, and which ones are hardware-peripheral versus software-bitbanged?
The R5F10368ASM#15 includes one hardware UART channel and one hardware simplified SPI (CSI) channel. It has no dedicated I²C peripheral; however, pins P60/P61 can be configured as SCLA0/SDAA0 via the Peripheral I/O Redirection Register (PIOR) to implement I²C master functionality in firmware. All serial protocols - UART, CSI, and remapped I²C - use dedicated hardware blocks, not bit-banged GPIO.
What is the analog input capability of the R5F10368ASM#15, including channel count, resolution, and reference options?
The R5F10368ASM#15 integrates an 8/10-bit resolution A/D converter with 8 analog input channels (ANI0–ANI3, ANI16–ANI22), internal 1.45 V reference voltage, and integrated temperature sensor. Resolution is selectable per channel; 10-bit mode provides 1024 steps across VDD or internal reference. The device supports both single-ended and pseudo-differential acquisition using AVREFP/AVREFM pins.
Is the R5F10368ASM#15 pin-compatible with other RL78/G12 devices in the TSSOP20 package, and what are the key compatibility constraints?
Yes, the R5F10368ASM#15 is pin-compatible with all RL78/G12 TSSOP20 variants (e.g., R5F10268ASM#15, R5F10367ASM#15) sharing the PTSP0020JI-A footprint. However, functional compatibility requires verification: R5F102xx parts add data flash, DMA, and safety features not present on R5F10368ASM#15, and peripheral remapping (e.g., I²C on P60/P61) depends on PIOR register settings - default pin functions match across the family.
R5F10368ASM#15 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 20-LSSOP (0.173", 4.40mm Width)
- Series:
- RL78/G12
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- RL78
- Core Size:
- 16-Bit
- Speed:
- 24MHz
- Connectivity:
- CSI, I2C, UART/USART
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 14
- Program Memory Size:
- 8KB (8K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 768 x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 5.5V
- Data Converters:
- A/D 11x8/10b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F10368ASM#15 FAQ
1.How can I place an order for R5F10368ASM#15 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F10368ASM#15 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 R5F10368ASM#15 reliable?
The price and inventory of R5F10368ASM#15 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F10368ASM#15 is usually 5 days.
3.What payment methods are accepted for R5F10368ASM#15?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F10368ASM#15 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F10368ASM#15?
R5F10368ASM#15 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F10368ASM#15 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 R5F10368ASM#15?
For technical support, including R5F10368ASM#15 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F10368ASM#15 requirements.
6.How does Aetrix verify that R5F10368ASM#15 is sourced from the original manufacturer or authorized distributors?
All R5F10368ASM#15 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 R5F10368ASM#15 meets industry standards.
7.What is the process for return or replacement of R5F10368ASM#15?
All R5F10368ASM#15 units undergo pre-shipment inspection (PSI). If there is an issue with R5F10368ASM#15, 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 R5F10368ASM#15 part is unused and in its original packaging.
Return procedure for R5F10368ASM#15:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F10368ASM#15 Tags
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