My Inquiry
My Account
Renesas R5F11Y68DSM#70
- Part No.:
- R5F11Y68DSM#70
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 20-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
R5F11Y68DSM#70.pdf
- Description:
- 16-BIT GENERAL MCU RL78/G1N 8K 2
- Quantity:
- Payment:
- Shipping:
Inventory:4,986
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
R5F11Y68DSM#70 from Renesas Electronics is an 8-bit RL78/G1N microcontroller in a 20-pin TSSOP package, designed for industrial applications requiring ultra-low power operation, integrated 8-channel 8/10-bit A/D conversion, and dual serial interfaces (UART + CSI). It features 8 KB flash memory, 1 KB RAM, 18 I/O pins (including 6 high-current P-ch open-drain outputs), and operates across –40°C to +85°C at 2.0–5.5 V supply.
For engineers reviewing the R5F11Y68DSM#70 datasheet, R5F11Y68DSM#70 pinout, R5F11Y68DSM#70 application, or R5F11Y68DSM#70 equivalent, key selection considerations include its industrial-grade temperature range, high-current output capability on P00–P05, real-time output support, selectable SPOR voltage thresholds, and compatibility with Renesas' RL78 development ecosystem including CS+ and e² studio.
Technical Context
The R5F11Y68DSM#70 implements the RL78-S1 CPU core with a 3-stage pipeline, supporting minimum instruction execution times from 0.05 µs (20 MHz) to 0.8 µs (1 MHz). Its peripheral set includes four 16-bit timer channels, one 12-bit interval timer, one watchdog timer, and programmable clock/buzzer output (PCLBUZ0) with frequency range up to 10 MHz.
It integrates a high-speed on-chip oscillator (1.25–20 MHz, ±2% accuracy over –20°C to +85°C) and low-speed oscillator (15 kHz ±15%), both usable for system clock or peripheral timing. The device supports peripheral I/O redirection via PIOR register and includes on-chip debug functionality compliant with Renesas' standard debug interface.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78-S1 8-bit CISC with 3-stage pipeline; enables deterministic real-time control with low gate count and minimal power overhead. |
| Flash / RAM | 8 KB code flash memory and 1 KB on-chip RAM; sufficient for compact firmware with data logging or sensor fusion algorithms. |
| Operating Voltage | 2.0–5.5 V supply range; usable down to 2.25 V minimum due to SPOR detection threshold, enabling direct battery operation (e.g., 3×AA or LiSOCl₂). |
| A/D Converter | 8/10-bit resolution, 8 analog inputs; supports simultaneous sampling of multiple sensors with internal reference and programmable sample-and-hold timing. |
| Timer Resources | Four 16-bit timer channels + 12-bit interval timer + watchdog; enables PWM generation, input capture, periodic interrupts, and fail-safe timeout monitoring. |
| I/O Capability | 18 total I/O pins: 14 N-ch open-drain (VDD-tolerant), 6 P-ch open-drain (high-current); allows direct driving of LEDs, relays, or logic-level MOSFETs without external drivers. |
| Serial Interfaces | 1 UART channel (up to 3.3 Mbps theoretical) + 1 CSI channel (master/slave SPI-compatible); supports communication with displays, sensors, and host controllers with flexible clock polarity/phase. |
Pinout & Package
Package: 20-pin plastic TSSOP (4.4 × 6.5 mm, 0.65 mm pitch), RoHS-compliant, industrial-grade reflow profile compatible.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00–P05 | P-ch open-drain output (high-current) | Capable of sourcing up to –120 mA per pin (4.5–5.5 V), suitable for direct LED segment or relay coil drive without external transistors. |
| P06, P07, P10–P16, P40 | N-ch open-drain output / CMOS I/O | VDD-tolerant inputs/outputs; supports level-shifting and wired-AND logic; P06/P10 do not output high level in N-ch mode. |
| P125 | KR1 / RESET | Active-low reset input with internal pull-up; also functions as key return line for matrix keypad scanning. |
| P137 | TI00 / INTP0 | Dedicated external interrupt input with noise filter; used for wake-up from HALT/STOP modes or edge-triggered event capture. |
| ANI0–ANI7 | Analog input channels | Eight single-ended analog inputs referenced to VDD/VSS; share same ADC module with configurable sampling rate and trigger sources. |
| RxD0 / TxD0 | UART serial I/O | Full-duplex asynchronous communication; supports automatic baud rate detection and LIN bus framing when configured. |
| SCK00 / SI00 / SO00 | CSI serial interface | Three-wire synchronous interface compatible with SPI peripherals; supports master clock output or slave clock input modes. |
| VDD / VSS | Power supply / ground | Single-supply operation; decoupling capacitor (0.1 µF) required adjacent to VDD pin for stable high-frequency operation. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power HALT/STOP modes | Halt current ≤980 µA (20 MHz), STOP current ≤2.35 µA (3 V); extends battery life in intermittent-sensing applications like smart meters. |
| Selectable power-on-reset (SPOR) | Four rising-edge detection thresholds (2.25/2.68/3.02/4.45 V); ensures reliable startup across varying battery discharge curves or unregulated supplies. |
| On-chip BCD correction circuit | Hardware-accelerated decimal arithmetic; reduces firmware overhead in display-driven applications (e.g., digital panel meters, HVAC controls). |
| Peripheral I/O redirection (PIOR) | Runtime remapping of alternate functions (e.g., UART ↔ CSI, timer outputs ↔ buzzer); increases PCB layout flexibility and simplifies variant management. |
| Real-time output function | Not present in RL78/G1N - exclusive to RL78/G1M; this feature is omitted in R5F11Y68DSM#70 per datasheet Table 1-6. |
Applications
| Industrial Sensor Node | Smart Energy Metering |
|---|---|
Use Scenario: Battery-powered temperature/humidity/pressure node transmitting data via UART to gateway every 10 minutes. IC Role / Device Role / Timing Role: Main controller managing sensor polling, ADC conversion, low-power sleep scheduling, and UART transmission timing. Use Value: 2.35 µA STOP-mode current and 8 KB flash enable multi-year battery life with firmware for sensor calibration and CRC-protected packet formatting. | Use Scenario: DIN-rail mounted electricity meter with LCD display, tamper detection, and pulse output interface. IC Role / Device Role / Timing Role: System MCU handling energy calculation, LCD segment driving (via P00–P05 high-current outputs), and optical pulse counting. Use Value: P-ch open-drain outputs drive LCD segments directly; BCD correction accelerates kWh computation; SPOR ensures robust restart after brownout events. |
| Programmable Logic Controller (PLC) I/O Module | Industrial Keypad Interface |
Use Scenario: Compact 8-channel digital input/output expansion module for small PLC systems with isolated field connections. IC Role / Device Role / Timing Role: Local intelligence unit performing debounce, state latching, and UART-based command/response protocol with host controller. Use Value: 14 N-ch open-drain I/O pins tolerate 5–24 V field voltages; 6 high-current P-ch outputs drive indicator LEDs or optocoupler inputs directly. | Use Scenario: Front-panel keypad scanner for HMI devices in factory automation panels. IC Role / Device Role / Timing Role: Dedicated key scan engine using KR0–KR7 inputs and P00–P05 outputs for row/column matrix decoding. Use Value: On-chip key interrupt function triggers immediate wake-up from STOP mode; built-in debouncing eliminates need for external RC networks or firmware timers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F11Y67DSM#70 | 4 KB flash, 512 B RAM; identical package, pinout, and peripheral set. | Lower memory capacity limits firmware size; suitable for simpler control tasks without data buffering or complex UI. | Select when application firmware fits within 4 KB and no future expansion is anticipated. |
| R5F11W68DSM#70 | RL78/G1M variant: adds 8-channel real-time output (RTIO), removes P-ch high-current outputs; same flash/RAM. | RTIO enables precise timing-critical waveform generation (e.g., motor commutation), but lacks high-current drive for LEDs/displays. | Choose for timing-sensitive control where RTIO is required and external drivers handle I/O loads. |
Compared with R5F11Y67DSM#70, the R5F11Y68DSM#70 provides double flash/RAM for enhanced firmware capability; compared with R5F11W68DSM#70, it trades RTIO for industrial-grade high-current I/O-making it optimal for display, relay, and LED-centric designs.
Availability
R5F11Y68DSM#70 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart energy metering, PLC I/O modules, and keypad interfaces requiring stable component supply, long-term lifecycle support, and guaranteed industrial temperature performance.
Supply support for R5F11Y68DSM#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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The RL78/G1N product line delivers ultra-low-power 8-bit MCUs optimized for cost-sensitive industrial applications requiring high-current I/O, robust reset behavior, and extended temperature operation-without sacrificing peripheral richness or development tool support.
FAQ
What is the maximum operating frequency and instruction execution time of the R5F11Y68DSM#70?
The R5F11Y68DSM#70 supports a maximum high-speed on-chip oscillator frequency of 20 MHz, yielding a minimum instruction execution time of 0.05 µs under 2.7–5.5 V supply conditions. At lower supply voltages (2.0–2.7 V), the minimum cycle time extends to 0.2 µs. This timing is guaranteed across the full –40°C to +85°C industrial temperature range.
Does the R5F11Y68DSM#70 support real-time output (RTIO) functionality?
No, the R5F11Y68DSM#70 does not support real-time output (RTIO). RTIO is exclusive to the RL78/G1M group (e.g., R5F11W68DSM#70). The R5F11Y68DSM#70 belongs to the RL78/G1N group, which omits RTIO but adds P-ch open-drain high-current outputs on P00–P05-confirmed in Section 1.6 Outline of Functions and block diagrams of the datasheet.
What are the key differences between R5F11Y68DSM#70 and R5F11W68DSM#70?
The R5F11Y68DSM#70 (G1N) and R5F11W68DSM#70 (G1M) share identical flash (8 KB), RAM (1 KB), package (20-pin TSSOP), and core architecture-but differ critically in I/O capability and timing peripherals. G1N offers six P-ch open-drain high-current outputs (–120 mA/pin) and no RTIO; G1M provides eight RTIO channels but only N-ch open-drain I/O. Both support UART, CSI, and 8-channel ADC.
Can the R5F11Y68DSM#70 operate from a single 3.3 V supply, and what are the implications for SPOR?
Yes, the R5F11Y68DSM#70 operates from 3.3 V, but must be used within the 2.25–5.5 V window due to SPOR circuit requirements. At 3.3 V, the default SPOR rising threshold (2.25 V) ensures reliable power-up detection, while the falling threshold (2.20 V) prevents spurious resets during brownout. Datasheet Section 1.6 specifies that operation below 2.25 V is not guaranteed-even if VDD remains above 2.0 V.
Which development tools and debug interfaces are supported for the R5F11Y68DSM#70?
The R5F11Y68DSM#70 supports Renesas' standard on-chip debug interface via TOOL0 pin, compatible with E2 emulator Lite, E2 emulator, and J-Link debug probes. It is fully supported in CS+ IDE and e² studio with RL78-specific device files, peripheral configuration tools (Smart Configurator), and example projects for UART, ADC, and low-power mode implementation.
R5F11Y68DSM#70 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 20-TSSOP (0.173", 4.40mm Width)
- Series:
- RL78/G1N
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- RL78
- Core Size:
- 8-Bit
- Speed:
- 20MHz
- Connectivity:
- CSI, UART/USART
- Peripherals:
- POR, WDT
- Number of I/O:
- 16
- Program Memory Size:
- 8KB (8K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 2V ~ 5.5V
- Data Converters:
- A/D 8x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F11Y68DSM#70 FAQ
1.How can I place an order for R5F11Y68DSM#70 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F11Y68DSM#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 R5F11Y68DSM#70 reliable?
The price and inventory of R5F11Y68DSM#70 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F11Y68DSM#70 is usually 5 days.
3.What payment methods are accepted for R5F11Y68DSM#70?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F11Y68DSM#70 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F11Y68DSM#70?
R5F11Y68DSM#70 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F11Y68DSM#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 R5F11Y68DSM#70?
For technical support, including R5F11Y68DSM#70 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F11Y68DSM#70 requirements.
6.How does Aetrix verify that R5F11Y68DSM#70 is sourced from the original manufacturer or authorized distributors?
All R5F11Y68DSM#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 R5F11Y68DSM#70 meets industry standards.
7.What is the process for return or replacement of R5F11Y68DSM#70?
All R5F11Y68DSM#70 units undergo pre-shipment inspection (PSI). If there is an issue with R5F11Y68DSM#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 R5F11Y68DSM#70 part is unused and in its original packaging.
Return procedure for R5F11Y68DSM#70:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F11Y68DSM#70 Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
