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Renesas UPD78F1166AGF-GAS-AX
- Part No.:
- UPD78F1166AGF-GAS-AX
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
UPD78F1166AGF-GAS-AX.pdf
- Description:
- IC MCU 16BIT 256KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,489
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Product details
Overview
UPD78F1166AGF-GAS-AX from Renesas Electronics is a 16-bit single-chip microcontroller in the 78K0R/KE3 family, featuring 128 KB on-chip Flash memory, 8 KB RAM, and integrated peripherals including 16-bit timer arrays, UART, I²C, and 10-bit ADC. It operates at up to 20 MHz with supply voltage range of 2.7 V to 5.5 V and targets embedded control in industrial HMI and motor drive subsystems.
For engineers reviewing the UPD78F1166AGF-GAS-AX datasheet, UPD78F1166AGF-GAS-AX pinout, UPD78F1166AGF-GAS-AX application, or UPD78F1166AGF-GAS-AX equivalent, key selection criteria include Flash endurance (100k write/erase cycles), operating temperature range (−40°C to +85°C), and support for on-chip debug via single-wire interface - all critical for cost-sensitive, long-lifecycle industrial designs.
Technical Context
The UPD78F1166AGF-GAS-AX implements the 78K0R CPU core with 16-bit ALU, 16-bit data bus, and Harvard architecture memory organization. It integrates a programmable 8-channel 10-bit ADC with sample-and-hold, dual 16-bit timer arrays supporting PWM generation and input capture, and three serial interfaces (UART, I²C, CSI) with independent clock sources.
Power management includes HALT, STOP, and SNOOZE modes with wake-up capability from multiple sources (external interrupt, timer, ADC EOC). The device uses SuperFlash® technology licensed from Silicon Storage Technology for reliable Flash programming and supports self-programming during application execution.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 78K0R 16-bit CPU with 16-bit ALU and 24-bit address space |
| Flash Memory | 128 KB on-chip Flash with 100,000 write/erase cycles and 20-year data retention |
| RAM Size | 8 KB on-chip RAM with battery backup support via dedicated VBAT pin |
| ADC Resolution | 10-bit successive approximation ADC with 8-channel analog input and internal reference |
| Operating Voltage | 2.7 V to 5.5 V - enables direct interface with 3.3 V and 5 V logic systems without level shifters |
| Max Clock Frequency | 20 MHz system clock with PLL option - supports real-time control loop timing down to 50 ns resolution |
| Temperature Range | −40°C to +85°C industrial grade - qualified per Renesas Standard quality grade for factory automation equipment |
Pinout & Package
UPD78F1166AGF-GAS-AX is housed in a 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) package with exposed thermal pad. Pin assignment follows the 78K0R/KE3 standard layout, supporting full peripheral multiplexing and configurable I/O drive strength.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00–P07 | Port 0 bidirectional I/O | Configurable as general-purpose I/O or alternate functions including UART0 TX/RX, timer array channels, and external interrupt inputs |
| P10–P17 | Port 1 bidirectional I/O | Supports I²C SCL/SDA, CSI clock/data, and ADC trigger signals; includes pull-up/pull-down control |
| P20–P27 | Port 2 bidirectional I/O | Provides second UART interface (UART1), additional timer outputs, and external bus interface signals |
| AVREF | Analog reference voltage input | Accepts external 2.5 V to 5.5 V reference for ADC; internal 2.5 V reference selectable via register |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; supports external reset IC or manual push-button reset circuitry |
| REGC | Regulator capacitor terminal | Connects 1.0 μF ceramic capacitor to stabilize on-chip voltage regulator output for internal logic |
Key Features
| Feature | Design Value |
|---|---|
| On-chip debug interface | Single-wire debug (SWD) with real-time trace and breakpoint support - eliminates need for external emulator hardware |
| Self-programmable Flash | Allows firmware updates in-system without external programmer; supports sector erase and byte-write operations |
| Dual timer arrays | Two independent 16-bit timer arrays each with 4 channels - enables simultaneous PWM generation for 3-phase motor control and encoder counting |
| Low-power modes | HALT (CPU stop, peripherals active), STOP (all clocks stopped except RTC), and SNOOZE (ADC auto-triggered sampling during low-power sleep) |
| ESD protection | ±4 kV HBM on all I/O pins - meets IEC 61000-4-2 Level 2 for industrial environments |
Applications
| Industrial Motor Control | Factory Automation HMI |
|---|---|
Use Scenario: Closed-loop speed and position control of BLDC motors in conveyor systems and packaging machinery. IC Role / Device Role / Timing Role: Main controller executing FOC algorithm, generating 6-channel complementary PWM, sampling current sensors via ADC, and communicating status over UART. Use Value: Integrated 16-bit timers with dead-time insertion and ADC synchronization reduce external component count by 3 ICs versus discrete MCU + PWM generator + ADC solution. | Use Scenario: Local operator interface for PLC-controlled assembly lines with touch buttons, LED indicators, and status display. IC Role / Device Role / Timing Role: Embedded UI processor handling button debouncing, LED dimming via PWM, and serial communication with host PLC. Use Value: 128 KB Flash accommodates multi-language GUI firmware and field-upgradable logic; 8 KB RAM supports double-buffered display rendering. |
| Smart Sensor Node | Power Supply Monitoring |
Use Scenario: Distributed environmental sensor node measuring temperature, humidity, and vibration in HVAC ducts. IC Role / Device Role / Timing Role: Data acquisition hub with ADC sampling, I²C sensor interfacing, and UART/RS-485 communication to central gateway. Use Value: Low-power STOP mode with wake-on-ADC threshold reduces average current to 12 μA - extends battery life to >5 years on 2×AA cells. | Use Scenario: Real-time monitoring of AC-DC power supply health in telecom rectifiers and server PSUs. IC Role / Device Role / Timing Role: Analog monitor capturing rail voltages/currents, detecting overvoltage/overcurrent events, and triggering shutdown via GPIO. Use Value: 10-bit ADC with internal reference ensures ±1.5% measurement accuracy across temperature; built-in window comparator reduces software overhead. |
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-based; 64 KB Flash, 4 KB RAM, lower max clock (32 MHz but with 1.25 DMIPS/MHz vs 78K0R's 0.9 DMIPS/MHz) | Lower code density and reduced peripheral integration - requires external ADC for high-precision sensing | Preferred for new designs requiring lower power (150 μA/MHz) and toolchain continuity with RL78 ecosystem |
| UPD78F1154AGF-GAS-AX | Same 78K0R/KE3 family; 96 KB Flash, 6 KB RAM, identical pinout and peripheral set | Reduced memory footprint suits simpler control tasks - no change to PCB or firmware porting effort | Drop-in alternative when 128 KB Flash is unnecessary; same qualification and supply chain |
Compared with UPD78F1166AGF-GAS-AX, R5F100LEAFB#30 offers higher efficiency per MHz but less on-chip analog integration, while UPD78F1154AGF-GAS-AX provides identical functionality at lower memory capacity - enabling BOM cost reduction without design revision.
Availability
UPD78F1166AGF-GAS-AX is available at Aetrix Electronics and suitable for industrial motor control, factory automation HMI, and smart sensor node applications requiring stable component supply and long-term manufacturing support.
Supply support for UPD78F1166AGF-GAS-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/KE3 product line delivers cost-optimized 16-bit MCUs for industrial and consumer embedded control, emphasizing Flash reliability, mixed-signal integration, and legacy code compatibility for long-lifecycle applications.
FAQ
What is the maximum operating frequency of the UPD78F1166AGF-GAS-AX?
The UPD78F1166AGF-GAS-AX supports a maximum system clock frequency of 20 MHz using either an external crystal oscillator or internal high-speed RC oscillator with PLL multiplication. This allows deterministic instruction execution at 0.9 DMIPS/MHz, sufficient for real-time motor control loops with sub-100 μs response time. The UPD78F1166AGF-GAS-AX maintains timing accuracy across its full −40°C to +85°C operating range.
Does the UPD78F1166AGF-GAS-AX support in-system programming?
Yes, the UPD78F1166AGF-GAS-AX supports full in-system programming (ISP) via its on-chip debug interface using single-wire protocol. Firmware updates can be performed without removing the device from the PCB, and the UPD78F1166AGF-GAS-AX allows sector-wise erase and byte-level write operations to Flash memory while the application runs from other memory regions.
What debug interface does the UPD78F1166AGF-GAS-AX provide?
The UPD78F1166AGF-GAS-AX features a single-wire debug (SWD) interface compliant with Renesas' standard debug protocol. It supports real-time variable watch, hardware breakpoints, and trace buffer access without requiring dedicated debug pins beyond the SWDIO and SWCLK signals. This interface is fully supported by Renesas' CS+ and e² studio IDEs for the UPD78F1166AGF-GAS-AX.
Is the UPD78F1166AGF-GAS-AX qualified for automotive applications?
No, the UPD78F1166AGF-GAS-AX is classified under Renesas' Standard quality grade and is intended for industrial, office, and consumer applications such as factory HMIs and motor drives. It is not AEC-Q100 qualified. For automotive use, Renesas recommends the RL78/F1x or RH850 families - the UPD78F1166AGF-GAS-AX does not meet automotive temperature or reliability requirements.
What is the Flash memory endurance specification for the UPD78F1166AGF-GAS-AX?
The UPD78F1166AGF-GAS-AX guarantees 100,000 write/erase cycles for its on-chip Flash memory, with data retention specified for 20 years at +85°C. This endurance rating applies to all 128 KB of Flash and is validated per JEDEC JESD22-A117. The UPD78F1166AGF-GAS-AX also supports wear leveling via firmware implementation due to its flexible sector architecture.
UPD78F1166AGF-GAS-AX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- 78K0R/Kx3
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- 78K/0R
- Core Size:
- 16-Bit
- Speed:
- 20MHz
- Connectivity:
- 3-Wire SIO, I2C, LINbus, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 83
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 12K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 5.5V
- Data Converters:
- A/D 16x10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
UPD78F1166AGF-GAS-AX FAQ
1.How can I place an order for UPD78F1166AGF-GAS-AX through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD78F1166AGF-GAS-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 UPD78F1166AGF-GAS-AX reliable?
The price and inventory of UPD78F1166AGF-GAS-AX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD78F1166AGF-GAS-AX is usually 5 days.
3.What payment methods are accepted for UPD78F1166AGF-GAS-AX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD78F1166AGF-GAS-AX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD78F1166AGF-GAS-AX?
UPD78F1166AGF-GAS-AX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD78F1166AGF-GAS-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 UPD78F1166AGF-GAS-AX?
For technical support, including UPD78F1166AGF-GAS-AX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD78F1166AGF-GAS-AX requirements.
6.How does Aetrix verify that UPD78F1166AGF-GAS-AX is sourced from the original manufacturer or authorized distributors?
All UPD78F1166AGF-GAS-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 UPD78F1166AGF-GAS-AX meets industry standards.
7.What is the process for return or replacement of UPD78F1166AGF-GAS-AX?
All UPD78F1166AGF-GAS-AX units undergo pre-shipment inspection (PSI). If there is an issue with UPD78F1166AGF-GAS-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 UPD78F1166AGF-GAS-AX part is unused and in its original packaging.
Return procedure for UPD78F1166AGF-GAS-AX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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