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Renesas R5F1211AMSP#70
- Part No.:
- R5F1211AMSP#70
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 10-LSSOP (0.173", 4.40mm Width)
- Datasheet:
-
R5F1211AMSP#70.pdf
- Description:
- 16-BIT GENERAL MCU RL78/G16 16K
- Quantity:
- Payment:
- Shipping:
Inventory:1,254
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Product details
Overview
R5F1211AMSP#70 from Renesas Electronics is a 10-pin, industrial-grade RL78/G16 microcontroller with 16 KB flash, 2 KB RAM, and integrated capacitive touch sensing (15-channel CTSU). It operates from 2.4–5.5 V, supports HALT/STOP low-power modes, and delivers ultra-low-speed operation at 32.768 kHz for battery-powered systems. It targets embedded control in appliance user interfaces, industrial sensor nodes, and smart metering peripherals.
For engineers reviewing the R5F1211AMSP#70 datasheet, R5F1211AMSP#70 pinout, R5F1211AMSP#70 application, or R5F1211AMSP#70 equivalent, key selection considerations include its 10-pin LSSOP package, −40°C to +125°C industrial temperature rating, 16 KB code flash with self-programming, 8/10-bit ADC (4-channel), and dual serial interface support (UART + simplified SPI/I²C).
Technical Context
The R5F1211AMSP#70 implements the RL78 CPU core-a CISC architecture with 3-stage pipeline-enabling instruction execution times from 0.0625 μs (16 MHz) down to 30.5 μs (32.768 kHz). Its memory subsystem includes 16 KB code flash (1 KB block erase), 1 KB data flash (512 B blocks, 1M rewrite cycles), and 2 KB SRAM.
Peripheral integration centers on real-time control and human-machine interaction: it features an 8/10-bit A/D converter (4 analog inputs), 16-bit timer array (8 channels), RTC with 99-year calendar, watchdog timer, and a dedicated 15-channel capacitive touch sensing unit (CTSU) supporting both self- and mutual-capacitance configurations.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 CPU, CISC 3-stage pipeline, 1 MB address space |
| Flash Memory | 16 KB code flash; 1 KB erase block size; no boot swap |
| Data Flash | 1 KB; 512 B blocks; 32-bit rewrite unit; 1,000,000 TYP. rewrites |
| Operating Voltage | 2.4–5.5 V; enables direct Li-ion or 3.3/5 V rail operation |
| Temperature Range | −40°C to +125°C (M-grade); qualified for under-hood or enclosed industrial environments |
| A/D Converter | 8/10-bit resolution; 4-channel input; internal reference (0.815 V) and temp sensor |
| Capacitive Touch | 15-channel CTSU; self-capacitance (15 keys) or mutual-capacitance (up to 16 keys) |
Pinout & Package
Package: 10-pin plastic LSSOP (4.4 × 3.6 mm, 0.65-mm pitch), lead-free, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P125/RESET/INTP1 | Reset & interrupt input | Active-low reset with internal SPOR; also serves as external interrupt source INTP1 |
| P40/TOOL0/INTP2 | Debug & interrupt I/O | On-chip debug interface pin; configurable as external interrupt INTP2 or CSI clock/data |
| P137/INTP0/TI00 | Interrupt & timer output | Dual-function pin: external interrupt INTP0 or 16-bit timer channel TI00 output |
| VSS | Ground | Analog/digital common ground reference; decoupling required per layout guidelines |
| VDD | Power supply | Single 2.4–5.5 V supply for core and I/O; internal voltage regulator supports stable operation |
| P04/ANI3/IVREF0/INTP3 | Analog input & interrupt | ADC channel 3 input; selectable internal reference voltage source; external interrupt INTP3 |
| P03/ANI2/IVCMP0/INTP4 | Analog input & comparator | ADC channel 2 input; comparator input C0; external interrupt INTP4 |
| P02/PCLBUZ0/ANI1/VCOUT0 | Buzzer drive & analog | Programmable buzzer output; ADC channel 1 input; VCOUT0 for touch charge pump |
| P01/TOOLRxD/ANI0/INTP5 | Debug RX & analog input | On-chip debug UART receive; ADC channel 0 input; external interrupt INTP5 |
| P00/TOOLTxD/INTP6/SO00 | Debug TX & serial output | On-chip debug UART transmit; external interrupt INTP6; SPI master output SO00 |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | HALT/STOP modes enable sub-μA standby current; ideal for battery-operated HMI and sensor nodes |
| Integrated capacitive touch | 15-channel CTSU eliminates external touch controller; supports self- and mutual-capacitance layouts |
| Real-time clock with calendar | 99-year calendar, alarm, and clock correction-no external RTC IC needed for time-stamped logging |
| Flexible serial interfaces | Configurable UART, simplified SPI (CSI), and simplified I²C on shared pins-reduces peripheral count |
| On-chip debug & programming | Fully integrated on-chip debug (OCD) and self-programming flash-no external programmer required |
Applications
| Home Appliance Control Panel | Industrial Sensor Node |
|---|---|
|
Use Scenario: Touch-enabled front panel for microwave ovens or washing machines with LED feedback and motor control. IC Role / Device Role / Timing Role: Main system controller managing touch UI, relay/LED drivers, and timing-critical cooking cycles via 16-bit timers. Use Value: Single-chip solution replaces discrete MCU + touch controller + RTC; reduces BOM cost and PCB area by >30%. |
Use Scenario: Battery-powered temperature/humidity sensor node transmitting data over UART to gateway. IC Role / Device Role / Timing Role: Low-power data acquisition engine using STOP mode between 10-second ADC reads and RTC-triggered wake-up. Use Value: 16 KB flash stores firmware + calibration tables; 125°C rating ensures reliability near motors or power supplies. |
| Smart Energy Meter Interface | Medical Device Keypad |
|
Use Scenario: User interface module for electricity meters with tamper detection and display backlight control. IC Role / Device Role / Timing Role: Dedicated HMI processor handling capacitive buttons, buzzer alerts, and secure time-stamped event logging. Use Value: Integrated CTSU meets IEC 61000-4-6 immunity requirements; RTC calendar supports billing cycle tracking. |
Use Scenario: Sterilizable keypad for infusion pumps requiring ESD-hardened touch response and fail-safe operation. IC Role / Device Role / Timing Role: Safety-monitored input processor validating key presses and triggering watchdog resets on timeout. Use Value: −40°C to +125°C M-grade operation survives autoclave cycles; hardware CRC and flash shield protect firmware integrity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F1211AGSP#70 | Same 10-pin LSSOP package and 16 KB flash, but rated for −40°C to +105°C (G-grade) | Suitable for industrial control cabinets without extreme thermal stress | Select when ambient operating temperature stays below +105°C and cost sensitivity favors G-grade qualification |
| R5F1214AMSP#70 | 16-pin SSOP variant with identical 16 KB flash, +125°C rating, and expanded I/O (12 GPIO vs. 8) | Enables additional analog inputs, UARTs, or timer outputs for more complex HMI or control logic | Choose when design requires ≥10 GPIO or extra serial channels-same firmware compatibility within RL78/G16 family |
Compared with R5F1211AGSP#70, the R5F1211AMSP#70 provides extended thermal margin for harsher environments; compared with R5F1214AMSP#70, it offers footprint and cost optimization where minimal I/O suffices-both alternatives retain identical core architecture and toolchain support.
Availability
R5F1211AMSP#70 is available at Aetrix Electronics and suitable for home appliance control panels, industrial sensor nodes, and smart energy meter interfaces requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R5F1211AMSP#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 is a global semiconductor leader specializing in microcontrollers, analog, and power solutions for automotive, industrial, and IoT markets.
The RL78/G16 product line delivers true low-power performance (61 µA/MHz) with integrated capacitive touch and robust industrial qualification-designed specifically for cost-sensitive, thermally demanding embedded HMI and control applications.
FAQ
What is the maximum operating frequency and corresponding instruction speed of the R5F1211AMSP#70?
The R5F1211AMSP#70 supports up to 16 MHz operation using its high-speed on-chip oscillator, delivering a minimum instruction execution time of 0.0625 μs. This speed is achievable across its full industrial temperature range (−40°C to +125°C) with ±1.5% frequency accuracy at VDD = 2.4–5.5 V.
Does the R5F1211AMSP#70 support background data flash rewriting while executing code from main flash?
No, the R5F1211AMSP#70 does not support background operation (BGO) for data flash. During data flash rewriting, instruction execution from code flash memory is halted. This behavior is explicitly documented in the datasheet and requires careful firmware sequencing to avoid system lockup during updates.
How many analog input channels are available on the R5F1211AMSP#70, and what ADC resolution options does it offer?
The R5F1211AMSP#70 provides 4 analog input channels (ANI0–ANI3) and supports both 8-bit and 10-bit A/D conversion modes. The ADC includes an internal reference voltage (0.815 V TYP.), temperature sensor, and selectable input ranges-enabling accurate sensor signal acquisition without external references.
Can the R5F1211AMSP#70 drive a piezoelectric buzzer directly, and which pin is used?
Yes, the R5F1211AMSP#70 integrates a programmable buzzer output driver on pin P02 (PCLBUZ0). This pin supports direct connection to piezoelectric buzzers without external transistors or drivers, simplifying audio feedback circuitry in HMI applications.
What is the purpose of the VCOUT0 pin on the R5F1211AMSP#70, and how is it used in capacitive touch applications?
The VCOUT0 pin on the R5F1211AMSP#70 serves as the charge pump output for the integrated capacitive touch sensing unit (CTSU). It supplies regulated voltage to drive touch electrodes, enabling reliable self-capacitance measurements across varying environmental conditions and PCB stack-ups.
R5F1211AMSP#70 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 10-LSSOP (0.173", 4.40mm Width)
- Series:
- RL78/G16
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- RL78
- Core Size:
- 16-Bit
- Speed:
- 16MHz
- Connectivity:
- CSI, I2C, SPI, UART/USART
- Peripherals:
- Capacitive Touch, POR, PWM, Voltage Detect, WDT
- Number of I/O:
- 7
- Program Memory Size:
- 16KB (16K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 1K x 8
- RAM Size:
- 2K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.4V ~ 5.5V
- Data Converters:
- A/D 4x8/10b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F1211AMSP#70 FAQ
1.How can I place an order for R5F1211AMSP#70 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F1211AMSP#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 R5F1211AMSP#70 reliable?
The price and inventory of R5F1211AMSP#70 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F1211AMSP#70 is usually 5 days.
3.What payment methods are accepted for R5F1211AMSP#70?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F1211AMSP#70 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F1211AMSP#70?
R5F1211AMSP#70 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F1211AMSP#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 R5F1211AMSP#70?
For technical support, including R5F1211AMSP#70 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F1211AMSP#70 requirements.
6.How does Aetrix verify that R5F1211AMSP#70 is sourced from the original manufacturer or authorized distributors?
All R5F1211AMSP#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 R5F1211AMSP#70 meets industry standards.
7.What is the process for return or replacement of R5F1211AMSP#70?
All R5F1211AMSP#70 units undergo pre-shipment inspection (PSI). If there is an issue with R5F1211AMSP#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 R5F1211AMSP#70 part is unused and in its original packaging.
Return procedure for R5F1211AMSP#70:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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