Renesas UPD78F1168AGC(S)-UEU-AX
- Part No.:
- UPD78F1168AGC(S)-UEU-AX
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
UPD78F1168AGC(S)-UEU-AX.pdf
- Description:
- IC MCU 16BIT 512KB FLASH 100LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,458
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Product details
Overview
UPD78F1168AGC(S)-UEU-AX from Renesas Electronics is a 16-bit single-chip microcontroller in the 78K0R/KG3 family, featuring 256 KB Flash memory, 16 KB RAM, and integrated peripherals including 12-bit ADC (16 channels), 8-bit D/A converter, 32-bit timer, watchdog timer, and UART/SPI/I²C interfaces. It operates at up to 20 MHz with supply voltage range 2.7–5.5 V and targets industrial control, motor drive, and sensor interface applications.
For engineers reviewing the UPD78F1168AGC(S)-UEU-AX datasheet, UPD78F1168AGC(S)-UEU-AX pinout, UPD78F1168AGC(S)-UEU-AX application, or UPD78F1168AGC(S)-UEU-AX equivalent, key selection criteria include Flash endurance (100,000 write/erase cycles), on-chip debug support via single-wire interface, and compliance with industrial temperature grade (−40°C to +85°C) and RoHS requirements.
Technical Context
The UPD78F1168AGC(S)-UEU-AX implements the 78K0R CPU core with 16-bit architecture, supporting 16-bit data paths and 20-bit addressing for up to 1 MB memory space. It integrates a high-precision internal oscillator (1–20 MHz selectable), power-on reset circuit, and low-voltage detection (LVD) with programmable threshold (2.7–4.5 V).
Peripherals include three 16-bit timer arrays (each with capture/compare/PWM capability), a 12-bit successive-approximation ADC with sample-and-hold and hardware-triggered conversion, and dual serial interface modules supporting simultaneous UART, SPI, and I²C operation - enabling concurrent communication with sensors, displays, and host controllers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 78K0R 16-bit CPU with 20-bit address bus; supports real-time deterministic execution for control loops. |
| Flash Memory | 256 KB on-chip Flash with 100,000 write/erase cycles; enables field firmware updates without external memory. |
| RAM Size | 16 KB SRAM; sufficient for stack, heap, and real-time data buffers in motor control or protocol stacks. |
| ADC Resolution | 12-bit SAR ADC with 16 input channels; provides ±1 LSB INL for precision analog sensing (e.g., current/voltage monitoring). |
| Operating Voltage | 2.7 V to 5.5 V; compatible with both 3.3 V and 5 V system rails without level-shifting. |
| Temperature Range | −40°C to +85°C; qualified for industrial environments including factory automation and HVAC systems. |
| Clock Source | Internal high-speed oscillator (1–20 MHz) + external crystal option; eliminates need for external clock generator in cost-sensitive designs. |
Pinout & Package
This device is housed in a 100-pin LQFP package (14 mm × 14 mm, 0.5 mm pitch) with exposed thermal pad for enhanced heat dissipation in continuous-operation applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00–P06 | Port 0 bidirectional I/O | Configurable as general-purpose I/O or alternate functions including UART0 TX/RX, timer output, and ADC trigger. |
| P10–P17 | Port 1 bidirectional I/O | Supports PWM output, external interrupt inputs, and I²C SDA/SCL; enables direct LED/motor driver interface. |
| AVREF0/AVREF1 | Analog reference inputs | Accept external reference voltages (1.5–5.5 V) to set ADC full-scale range independently of VDD. |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts external reset signal or manual reset button connection. |
| REGC | Regulator control | Enables internal voltage regulator for stable core voltage during supply fluctuations; requires external 1 μF capacitor. |
| VDD/EVDD0/EVDD1 | Power supply pins | Dual-domain power: EVDD0 powers analog peripherals (ADC/DAC), EVDD1 powers digital logic; reduces noise coupling. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip debug interface | Single-wire debug (SWD) with real-time trace and breakpoint support - enables in-system debugging without JTAG header footprint. |
| Self-programmable Flash | Supports reprogramming via user code using built-in Flash library; allows over-the-air (OTA) firmware updates in deployed devices. |
| Low-power modes | Four modes (HALT, STOP, SNOOZE, IDLE) with wake-up from multiple sources (external interrupt, timer, ADC EOC); extends battery life in portable equipment. |
| Hardware CRC calculator | Dedicated 16-bit CRC engine for fast checksum generation on data blocks - accelerates firmware integrity verification and communication protocol error detection. |
| Programmable LVD | Configurable low-voltage detection thresholds (2.7 V, 3.0 V, 3.3 V, 4.5 V) with interrupt or reset output - prevents erratic operation during brown-out conditions. |
Applications
| Industrial Motor Control | Smart Sensor Node |
|---|---|
Use Scenario: Closed-loop speed/torque control of BLDC motors in HVAC blowers and conveyor systems. IC Role / Device Role / Timing Role: Main controller executing FOC algorithm, sampling current/voltage via 12-bit ADC, generating 3-phase PWM with dead-time insertion. Use Value: Integrated 32-bit timer and PWM units eliminate external timing ICs; 256 KB Flash accommodates complex motion profiles and safety routines. | Use Scenario: Battery-powered environmental monitor collecting temperature, humidity, and CO₂ via analog/digital sensors. IC Role / Device Role / Timing Role: System-on-chip managing sensor acquisition, local data processing, and wireless transmission via UART-to-LoRa bridge. Use Value: Ultra-low-power STOP mode (<1 μA) extends 10-year battery life; on-chip 8-bit DAC drives analog sensor excitation circuits. |
| Programmable Logic Controller (PLC) I/O Module | Home Appliance Control Panel |
Use Scenario: DIN-rail mounted I/O expansion module with 16-channel digital input and 8-channel relay output. IC Role / Device Role / Timing Role: Central processor handling opto-isolated input scanning, debounce logic, and isolated relay drive timing with precise 1 ms resolution. Use Value: Dual EVDD domains isolate analog sensing from noisy relay switching; 100-pin LQFP provides ample GPIO for modular I/O mapping. | Use Scenario: Touch-enabled control board in washing machines and dishwashers with display backlighting and buzzer feedback. IC Role / Device Role / Timing Role: Primary MCU managing capacitive touch sensing, PWM-controlled LED dimming, and audio tone generation via DAC. Use Value: Integrated 12-bit ADC resolves touch electrode capacitance changes; hardware CRC ensures UI firmware integrity after OTA update. |
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 | Same 78K0R core, 192 KB Flash, 12 KB RAM, identical 100-pin LQFP package and peripheral set. | No functional difference; differs only in mask ROM vs. Flash program memory and minor revision-level errata fixes. | Select when mask-ROM-based production is preferred for cost-sensitive high-volume runs. |
| UPD78F1167AGC(S)-UEU-AX | Identical package and pinout; reduced Flash (192 KB) and RAM (12 KB), otherwise identical peripheral configuration and electrical specs. | Suitable for applications requiring smaller firmware footprint and lower memory bandwidth (e.g., basic timer-based sequencers). | Choose for BOM cost reduction where 256 KB Flash and 16 KB RAM headroom are unnecessary. |
Compared with R5F100LEAFB#30 and UPD78F1167AGC(S)-UEU-AX, the UPD78F1168AGC(S)-UEU-AX offers maximum on-chip memory for complex control algorithms and future firmware scalability, while maintaining full pin compatibility and identical industrial temperature qualification.
Availability
UPD78F1168AGC(S)-UEU-AX is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, PLC I/O modules, and home appliance control panels requiring stable component supply across multi-year production cycles.
Supply support for UPD78F1168AGC(S)-UEU-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 specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and infrastructure markets.
The 78K0R/KG3 product line delivers cost-optimized, high-reliability 16-bit MCUs targeting industrial automation, motor control, and sensor-integrated equipment with emphasis on robustness, low-power operation, and long-term supply stability.
FAQ
What is the maximum operating frequency of the UPD78F1168AGC(S)-UEU-AX?
The UPD78F1168AGC(S)-UEU-AX supports a maximum CPU clock frequency of 20 MHz using its internal high-speed oscillator. This frequency is fully supported across the entire industrial temperature range (−40°C to +85°C) and supply voltage range (2.7 V to 5.5 V), enabling deterministic real-time performance for time-critical control tasks without external clock components.
Does the UPD78F1168AGC(S)-UEU-AX include an integrated voltage regulator?
Yes, the UPD78F1168AGC(S)-UEU-AX features an on-chip voltage regulator controlled by the REGC pin. When enabled, it supplies a stable core voltage independent of fluctuations on the main VDD rail. An external 1 μF ceramic capacitor must be connected between REGC and VSS to ensure regulator stability and noise suppression during transient load conditions.
How many analog input channels does the 12-bit ADC in the UPD78F1168AGC(S)-UEU-AX support?
The UPD78F1168AGC(S)-UEU-AX integrates a 12-bit successive-approximation ADC with 16 configurable analog input channels. These channels can be selected via software register settings and support simultaneous sampling with hardware-triggered conversion sequences, making the UPD78F1168AGC(S)-UEU-AX suitable for multi-sensor monitoring in industrial and appliance applications.
Is the UPD78F1168AGC(S)-UEU-AX pin-compatible with other members of the 78K0R/KG3 family?
Yes, the UPD78F1168AGC(S)-UEU-AX shares the same 100-pin LQFP package and pin assignment with other 78K0R/KG3 devices in the same package variant, including UPD78F1167AGC(S)-UEU-AX and R5F100LEAFB#30. This allows direct PCB reuse across different memory configurations and enables scalable design migration within the family.
What debug interface does the UPD78F1168AGC(S)-UEU-AX support?
The UPD78F1168AGC(S)-UEU-AX supports a single-wire debug (SWD) interface compliant with Renesas' standard on-chip debugging protocol. This interface enables full read/write access to memory and registers, real-time trace, and hardware breakpoints using tools such as the E2 emulator or QB-MINI2, requiring only one dedicated debug pin plus ground.
UPD78F1168AGC(S)-UEU-AX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- 78K0R/Kx3
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- 78K/0R
- Core Size:
- 16-Bit
- Speed:
- 20MHz
- Connectivity:
- 3-Wire SIO, EBI/EMI, I2C, LINbus, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 83
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 30K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 5.5V
- Data Converters:
- A/D 16x10b SAR; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
UPD78F1168AGC(S)-UEU-AX FAQ
1.How can I place an order for UPD78F1168AGC(S)-UEU-AX through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD78F1168AGC(S)-UEU-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 UPD78F1168AGC(S)-UEU-AX reliable?
The price and inventory of UPD78F1168AGC(S)-UEU-AX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD78F1168AGC(S)-UEU-AX is usually 5 days.
3.What payment methods are accepted for UPD78F1168AGC(S)-UEU-AX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD78F1168AGC(S)-UEU-AX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD78F1168AGC(S)-UEU-AX?
UPD78F1168AGC(S)-UEU-AX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD78F1168AGC(S)-UEU-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 UPD78F1168AGC(S)-UEU-AX?
For technical support, including UPD78F1168AGC(S)-UEU-AX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD78F1168AGC(S)-UEU-AX requirements.
6.How does Aetrix verify that UPD78F1168AGC(S)-UEU-AX is sourced from the original manufacturer or authorized distributors?
All UPD78F1168AGC(S)-UEU-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 UPD78F1168AGC(S)-UEU-AX meets industry standards.
7.What is the process for return or replacement of UPD78F1168AGC(S)-UEU-AX?
All UPD78F1168AGC(S)-UEU-AX units undergo pre-shipment inspection (PSI). If there is an issue with UPD78F1168AGC(S)-UEU-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 UPD78F1168AGC(S)-UEU-AX part is unused and in its original packaging.
Return procedure for UPD78F1168AGC(S)-UEU-AX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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