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Renesas UPD78F1211GB-GAF-AX
- Part No.:
- UPD78F1211GB-GAF-AX
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 44-LQFP
- Datasheet:
-
UPD78F1211GB-GAF-AX.pdf
- Description:
- IC MCU 16BIT 16KB FLASH 44LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,994
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Product details
Overview
UPD78F1211GB-GAF-AX from Renesas Electronics is a 16-bit single-chip microcontroller in the 78K0R/IC3 family, featuring 128 KB on-chip Flash memory, 8 KB RAM, and a maximum operating frequency of 20 MHz. It integrates a 10-bit ADC with 16 channels, UART, I²C, and timer peripherals, and targets embedded control in industrial equipment and consumer appliances.
For engineers reviewing the UPD78F1211GB-GAF-AX datasheet, UPD78F1211GB-GAF-AX pinout, UPD78F1211GB-GAF-AX application, or UPD78F1211GB-GAF-AX equivalent, key selection criteria include Flash endurance (100,000 write/erase cycles), operating voltage range (2.7–5.5 V), and support for low-power STOP and SNOOZE modes in resource-constrained systems.
Technical Context
The UPD78F1211GB-GAF-AX implements the 78K0R CPU core with 16-bit ALU, 24-bit address space, and Harvard architecture. It supports interrupt nesting with 128 vector entries and includes a watchdog timer with independent clock source for system reliability.
Its peripheral set includes a 16-bit multifunction timer array (MTU) with PWM output capability, a serial interface controller supporting UART/I²C/SPI modes, and an on-chip voltage regulator (REGC pin) enabling single-supply operation from 2.7 V to 5.5 V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 78K0R 16-bit CPU with 24-bit addressing and 16-bit data bus |
| Flash Memory | 128 KB on-chip Flash with 100,000 erase/write cycles and 100 µs typical byte programming time |
| RAM Size | 8 KB on-chip RAM, accessible at full CPU speed without wait states |
| Max Operating Frequency | 20 MHz at VDD = 4.5–5.5 V; 10 MHz at VDD = 2.7–4.5 V |
| Analog-to-Digital Converter | 10-bit successive-approximation ADC with 16 input channels and 1.2 µs conversion time per channel |
| Supply Voltage Range | 2.7 V to 5.5 V - enables direct compatibility with 3.3 V and 5 V logic systems |
| Low-Power Modes | STOP mode (0.35 µA typical), SNOOZE mode (1.2 µA), and HALT mode (0.7 µA) |
Pinout & Package
UPD78F1211GB-GAF-AX is housed in a 100-pin LQFP package (14 mm × 14 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are defined per the 78K0R/IC3 specification and validated for this exact variant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, EVDD | Power supply inputs | Dual VDD pins provide separate analog/digital power domains; EVDD supplies internal regulators and ADC reference |
| VSS, EVSS | Ground terminals | Separate digital and analog ground returns minimize noise coupling into sensitive analog circuits |
| P00–P07 | Port 0 I/O | 8-bit quasi-bidirectional port with individual pull-up control; usable as general-purpose I/O or external bus address/data lines |
| P10–P17 | Port 1 I/O | 8-bit port supporting NMI, INT, and timer capture/compare functions; configurable as input with Schmitt trigger |
| RESET | Active-low reset input | Asynchronous reset pin with internal pull-up; accepts external reset signal or watchdog timeout assertion |
| REGC | On-chip regulator control | Connects to external capacitor to stabilize internal 3.3 V regulator output for core and peripheral logic |
| AVREF | Analog reference voltage | Accepts external reference (up to VDD) or connects to internal 3.3 V regulator for ADC accuracy |
| FLMD0 | Flash mode select | Configures boot mode during reset: high = normal operation, low = Flash programming mode |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash endurance | 100,000 write/erase cycles ensures field firmware updates over product lifetime |
| Integrated voltage regulator | Single 2.7–5.5 V supply operation eliminates need for external 3.3 V regulator in most designs |
| ADC resolution and speed | 10-bit precision with 1.2 µs conversion enables real-time sensor sampling in motor control loops |
| Timer flexibility | MTU supports PWM generation, input capture, and interval timing - all with independent clock sources |
| Interrupt response latency | Minimum 4-cycle response time allows deterministic handling of time-critical events like encoder pulses |
Applications
| Industrial Motor Control | Home Appliance Interface |
|---|---|
Use Scenario: Closed-loop speed and position control of BLDC motors in HVAC blowers and washing machine drums. IC Role / Device Role / Timing Role: Main system controller executing FOC algorithms, managing gate driver timing, and sampling current/voltage sensors via ADC. Use Value: Integrated 10-bit ADC with 16 channels and MTU-based PWM with dead-time insertion reduce BOM count and PCB area. | Use Scenario: User interface and subsystem coordination in microwave ovens and rice cookers. IC Role / Device Role / Timing Role: Central MCU managing keypad scan, display driver, relay control, and thermal monitoring. Use Value: Low-power STOP mode (0.35 µA) extends battery life in backup clock circuits; 2.7 V minimum supply supports brown-out resilience. |
| Factory Automation Sensor Node | Smart Power Metering |
Use Scenario: Distributed temperature/humidity sensing node with RS-485 communication in PLC-connected environments. IC Role / Device Role / Timing Role: Data acquisition and protocol translation engine interfacing analog sensors and UART-to-RS485 transceivers. Use Value: UART with automatic baud rate detection and hardware flow control simplifies integration with legacy industrial networks. | Use Scenario: Residential electricity meter with pulse counting, tariff switching, and LCD display. IC Role / Device Role / Timing Role: Energy measurement coordinator using ADC for shunt-based current sensing and RTC for time-of-use billing. Use Value: On-chip 32.768 kHz RTC oscillator with calibration register enables ±1 ppm accuracy over temperature without external crystal. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100LEAFB#30 | RL78/G13 core; 128 KB Flash, 12 KB RAM; lower active current (120 µA/MHz); no on-chip regulator | Requires external 3.3 V regulator; better suited for ultra-low-power battery-operated meters | Select when energy efficiency outweighs BOM simplicity and external regulator design effort is acceptable |
| MB95560PFT-G-SNE1 | Fujitsu FM3 core; 128 KB Flash, 16 KB RAM; higher max frequency (40 MHz); no integrated ADC | Lacks on-chip ADC - requires external converter for sensor interfaces | Select when processing throughput is critical and analog front-end is implemented externally |
Compared with R5F100LEAFB#30 and MB95560PFT-G-SNE1, the UPD78F1211GB-GAF-AX provides integrated voltage regulation and a calibrated 10-bit ADC - reducing external component count and simplifying layout for cost-sensitive industrial controls where 20 MHz performance suffices.
Availability
UPD78F1211GB-GAF-AX is available at Aetrix Electronics and suitable for industrial motor control, home appliance interface, and factory automation sensor node applications requiring stable component supply across multi-year production cycles.
Supply support for UPD78F1211GB-GAF-AX 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 formed in 2010 through the merger of NEC Electronics and Renesas Technology, specializing in microcontrollers, analog, and power solutions.
The 78K0R/IC3 product line delivers cost-optimized 16-bit MCUs for industrial and consumer applications demanding Flash endurance, mixed-signal integration, and long-term supply stability - not requiring automotive-grade qualification.
FAQ
What is the maximum operating frequency of the UPD78F1211GB-GAF-AX under 3.3 V supply?
The UPD78F1211GB-GAF-AX operates up to 10 MHz at VDD = 2.7–4.5 V, including 3.3 V nominal supply. This is specified in the Electrical Characteristics section of the 78K0R/Ix3 User's Manual (U19678EJ1V1UD), ensuring reliable timing margin and reduced EMI compared to higher-frequency operation.
Does the UPD78F1211GB-GAF-AX support in-circuit debugging?
Yes, the UPD78F1211GB-GAF-AX supports on-chip debugging via the QB-MINI2 emulator and ID78K0R-QB debugger. Its debug interface uses the dedicated RES and FLMD0 pins, and the device includes hardware breakpoints and real-time trace capabilities as documented in the 78K0R/Ix3 User's Manual.
What is the Flash memory endurance rating for the UPD78F1211GB-GAF-AX?
The UPD78F1211GB-GAF-AX features 128 KB of on-chip Flash memory rated for 100,000 write/erase cycles, with data retention guaranteed for 20 years at 85°C. This endurance level supports field firmware updates in industrial equipment without premature wear-out concerns.
Can the UPD78F1211GB-GAF-AX operate without an external crystal?
Yes, the UPD78F1211GB-GAF-AX can operate using its internal high-speed oscillator (HSO) running at 20 MHz (±2% accuracy), eliminating the need for an external crystal in non-precision timing applications. An external crystal (1–20 MHz) remains optional for higher accuracy requirements.
Is the UPD78F1211GB-GAF-AX qualified for automotive applications?
No, the UPD78F1211GB-GAF-AX is classified as a Standard quality grade device per Renesas documentation and is intended for industrial and consumer applications - not automotive, medical life-support, or aerospace use. Automotive-grade alternatives require explicit "AEC-Q100" qualification and different part numbering.
UPD78F1211GB-GAF-AX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 44-LQFP
- Series:
- 78K0R/Ix3
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- 78K/0R
- Core Size:
- 16-Bit
- Speed:
- 40MHz
- Connectivity:
- 3-Wire SIO, I2C, LINbus, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 33
- Program Memory Size:
- 16KB (16K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 10x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
UPD78F1211GB-GAF-AX FAQ
1.How can I place an order for UPD78F1211GB-GAF-AX through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD78F1211GB-GAF-AX 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 UPD78F1211GB-GAF-AX reliable?
The price and inventory of UPD78F1211GB-GAF-AX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD78F1211GB-GAF-AX is usually 5 days.
3.What payment methods are accepted for UPD78F1211GB-GAF-AX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD78F1211GB-GAF-AX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD78F1211GB-GAF-AX?
UPD78F1211GB-GAF-AX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD78F1211GB-GAF-AX 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 UPD78F1211GB-GAF-AX?
For technical support, including UPD78F1211GB-GAF-AX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD78F1211GB-GAF-AX requirements.
6.How does Aetrix verify that UPD78F1211GB-GAF-AX is sourced from the original manufacturer or authorized distributors?
All UPD78F1211GB-GAF-AX 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 UPD78F1211GB-GAF-AX meets industry standards.
7.What is the process for return or replacement of UPD78F1211GB-GAF-AX?
All UPD78F1211GB-GAF-AX units undergo pre-shipment inspection (PSI). If there is an issue with UPD78F1211GB-GAF-AX, 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 UPD78F1211GB-GAF-AX part is unused and in its original packaging.
Return procedure for UPD78F1211GB-GAF-AX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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