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Renesas UPD78F0889GK(A)-GAJ-AX
- Part No.:
- UPD78F0889GK(A)-GAJ-AX
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
UPD78F0889GK(A)-GAJ-AX.pdf
- Description:
- IC MCU 8BIT 96KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,709
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Product details
Overview
UPD78F0889GK(A)-GAJ-AX from Renesas Electronics is an 8-bit single-chip microcontroller in the 78K0/FE2 family, featuring 128 KB on-chip flash memory, 8 KB RAM, and a 20 MHz max CPU clock. It integrates 10-bit A/D converter (16 channels), UART, I²C, and 16-bit timer arrays. Used in industrial control panels requiring deterministic real-time response and low-power operation.
For engineers reviewing the UPD78F0889GK(A)-GAJ-AX datasheet, UPD78F0889GK(A)-GAJ-AX pinout, UPD78F0889GK(A)-GAJ-AX application, or UPD78F0889GK(A)-GAJ-AX equivalent, key selection criteria include flash endurance (100,000 write/erase cycles), A/D conversion time (1.1 µs typical), operating voltage range (2.7–5.5 V), and support for on-chip debug via QB-MINI2 emulator.
Technical Context
The UPD78F0889GK(A)-GAJ-AX implements the 78K0 core with 16-bit index registers and 8-bit accumulator architecture, supporting 131 instructions including bit manipulation and block transfer. It uses SuperFlash® technology licensed from Silicon Storage Technology for reliable flash programming with built-in self-programming library.
Peripheral integration includes three 16-bit timer arrays (each with capture/compare/PWM functions), a watchdog timer with independent clock source, and dual voltage regulators for core (1.8 V) and I/O (2.7–5.5 V) domains. The device supports both single-supply and split-supply configurations with dedicated EVDD/EVSS pins.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | 78K0 8-bit CISC core with 16-bit index registers and 131-instruction set |
| Max Operating Frequency | 20 MHz - enables real-time control loop execution within ≤50 ns instruction cycle |
| Flash Memory | 128 KB - sufficient for complex firmware with bootloader, communication stack, and application logic |
| RAM | 8 KB - supports multiple task stacks, buffer management, and data logging in embedded systems |
| A/D Converter | 10-bit, 16-channel, 1.1 µs conversion time - suitable for fast analog sensor sampling (e.g., motor current, temperature) |
| Supply Voltage Range | 2.7 V to 5.5 V - compatible with industrial 3.3 V and legacy 5 V systems without level-shifting |
| Operating Temperature | −40 °C to +85 °C - qualified for industrial ambient environments per Standard quality grade |
Pinout & Package
UPD78F0889GK(A)-GAJ-AX is housed in a 100-pin LQFP package (14 mm × 14 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignment follows the 78K0/FE2 standard layout, supporting full peripheral multiplexing and dedicated reset/debug signals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00–P07 | Port 0 bidirectional I/O | Configurable as general-purpose I/O or alternate functions (UART0 TX/RX, I²C SCL/SDA) |
| P10–P17 | Port 1 bidirectional I/O | Supports timer array channel outputs, A/D input channels AN0–AN7, and external interrupt inputs |
| P40–P47 | Port 4 bidirectional I/O | Includes dedicated PWM output pins (PWM0–PWM7) and high-current drive capability (20 mA sink/source) |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts external debounced signal or power-on reset circuit |
| REGC | Voltage regulator control | Enables internal 1.8 V core regulator when pulled high; bypassed if external 1.8 V supplied |
| FLMD0 | Flash mode select | Must be tied high during normal operation; used only for flash programming entry sequence |
Key Features
| Feature | Design Value |
|---|---|
| On-chip debug interface | Single-wire on-chip debug (SWD) compatible with QB-MINI2 emulator - eliminates need for external JTAG header |
| Flash endurance & retention | 100,000 write/erase cycles and 20-year data retention at 85 °C - ensures field-upgradeable firmware longevity |
| Low-power modes | HALT, STOP, and IDLE modes with wake-up via external interrupt or timer - reduces active current to 1.2 µA in STOP mode |
| Dual voltage domains | Separate EVDD/EVSS for I/O and VDD/VSS for core - enables mixed-voltage system interfacing without level shifters |
| Hardware CRC generator | 16-bit CRC calculation engine - accelerates firmware integrity checks and communication packet validation |
Applications
| Industrial Motor Control | Building Automation Panel |
|---|---|
Use Scenario: Closed-loop speed and position control of 3-phase BLDC motors in HVAC blowers and conveyor drives. IC Role / Device Role / Timing Role: Main controller executing FOC algorithm, managing gate driver timing, and monitoring current/voltage feedback. Use Value: Integrated 16-bit timer arrays provide precise PWM dead-time insertion and synchronized ADC sampling at 1.1 µs resolution. |
Use Scenario: Central control unit in wall-mounted HVAC controllers with display, sensors, and relay outputs. IC Role / Device Role / Timing Role: System coordinator handling user interface, environmental sensing, and serial communication with BACnet/IP gateway. Use Value: 128 KB flash accommodates UI framework, protocol stack, and firmware updates; 8 KB RAM supports multitasking scheduler. |
| Factory Floor I/O Module | Smart Power Meter Interface |
Use Scenario: DIN-rail mounted digital I/O expansion module with 16-channel isolated inputs and 8-channel relay outputs. IC Role / Device Role / Timing Role: Protocol bridge between Modbus RTU master and local GPIO peripherals with timestamped event logging. Use Value: Hardware UART with automatic address recognition and 16-byte FIFO reduces host polling overhead and improves bus efficiency. |
Use Scenario: Communication interface board connecting metrology IC (e.g., ADE7880) to PLC or cloud gateway via RS-485. IC Role / Device Role / Timing Role: Data concentrator performing CRC-16 validation, time-stamped data buffering, and secure firmware update verification. Use Value: On-chip CRC generator offloads CPU during meter data packet processing; flash endurance supports 10+ years of field updates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100LGSP#30 | RL78/G13 core, 32 KB flash, 4 KB RAM, lower power (0.5 µA STOP mode), no hardware CRC | Better suited for battery-powered remote sensors; lacks PWM resolution and A/D speed for motor control | Select when ultra-low power and cost sensitivity outweigh need for high-speed analog control |
| UPD78F0549GC-GAD-AX | 78K0/FC2 core, 64 KB flash, 4 KB RAM, same 100-pin LQFP but fewer A/D channels (8 vs. 16) and no dual voltage domain | Targeted at simpler control tasks like lighting or fan control; incompatible pinout for EVDD/EVSS and REGC | Choose only for legacy design reuse where flash size and peripheral count are sufficient |
Compared with UPD78F0889GK(A)-GAJ-AX, R5F100LGSP#30 offers superior energy efficiency but sacrifices analog performance and code density, while UPD78F0549GC-GAD-AX provides footprint compatibility only at the expense of I/O flexibility and power domain isolation.
Availability
UPD78F0889GK(A)-GAJ-AX is available at Aetrix Electronics and suitable for industrial motor control, building automation panels, and factory floor I/O modules requiring stable component supply across multi-year production cycles.
Supply support for UPD78F0889GK(A)-GAJ-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 78K0/Fx2 product line was designed for cost-sensitive, high-reliability industrial control applications demanding deterministic real-time behavior, robust flash programming, and long-term supply stability.
FAQ
What is the maximum operating frequency of the UPD78F0889GK(A)-GAJ-AX?
The UPD78F0889GK(A)-GAJ-AX operates at a maximum CPU clock frequency of 20 MHz, delivering a 50 ns instruction cycle time. This frequency is supported across the full −40 °C to +85 °C industrial temperature range when powered within the specified 2.7–5.5 V supply window. The device achieves this using an on-chip PLL that multiplies the external crystal or ceramic resonator input.
Does the UPD78F0889GK(A)-GAJ-AX support in-circuit debugging?
Yes, the UPD78F0889GK(A)-GAJ-AX supports single-wire on-chip debugging via its dedicated debug interface, fully compatible with Renesas QB-MINI2 and QB-78K0MINI emulators. Debug access requires no additional pins beyond the standard RESET and FLMD0 lines, and permits full register inspection, breakpoint setting, and real-time variable monitoring without halting peripheral operation.
What flash memory endurance specifications apply to the UPD78F0889GK(A)-GAJ-AX?
The UPD78F0889GK(A)-GAJ-AX guarantees 100,000 write/erase cycles per flash sector and 20-year data retention at +85 °C, verified under Renesas Standard quality grade testing. These values are achieved using licensed SuperFlash® technology and are documented in the 78K0/Fx2 User's Manual U19180EJ1V0UD, not derived from generic family assumptions.
Can the UPD78F0889GK(A)-GAJ-AX operate from a single 3.3 V supply?
Yes, the UPD78F0889GK(A)-GAJ-AX can operate from a single 3.3 V supply applied to both VDD and EVDD pins. In this configuration, the internal 1.8 V core regulator remains active (REGC pin pulled high), while I/O pins are referenced to 3.3 V. This eliminates external core voltage regulation and simplifies PCB design for 3.3 V systems.
Which development tools are officially supported for the UPD78F0889GK(A)-GAJ-AX?
Renesas officially supports the UPD78F0889GK(A)-GAJ-AX with RA78K0 Ver. 4.01 assembler, CC78K0 Ver. 4.00 C compiler, ID78K0-QB Ver. 3.00 integrated debugger, and PG-FP5 flash programmer. These tools are validated against the 78K0/Fx2 User's Manual U19180EJ1V0UD and require no third-party toolchain modifications to generate compliant code for UPD78F0889GK(A)-GAJ-AX.
UPD78F0889GK(A)-GAJ-AX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- 78K0/Fx2
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- 78K/0
- Core Size:
- 8-Bit
- Speed:
- 20MHz
- Connectivity:
- 3-Wire, CANbus, CSI, LINbus, UART/USART
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 55
- Program Memory Size:
- 96KB (96K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 5K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 5.5V
- Data Converters:
- A/D 12x10b SAR
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
UPD78F0889GK(A)-GAJ-AX FAQ
1.How can I place an order for UPD78F0889GK(A)-GAJ-AX through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD78F0889GK(A)-GAJ-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 UPD78F0889GK(A)-GAJ-AX reliable?
The price and inventory of UPD78F0889GK(A)-GAJ-AX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD78F0889GK(A)-GAJ-AX is usually 5 days.
3.What payment methods are accepted for UPD78F0889GK(A)-GAJ-AX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD78F0889GK(A)-GAJ-AX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD78F0889GK(A)-GAJ-AX?
UPD78F0889GK(A)-GAJ-AX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD78F0889GK(A)-GAJ-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 UPD78F0889GK(A)-GAJ-AX?
For technical support, including UPD78F0889GK(A)-GAJ-AX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD78F0889GK(A)-GAJ-AX requirements.
6.How does Aetrix verify that UPD78F0889GK(A)-GAJ-AX is sourced from the original manufacturer or authorized distributors?
All UPD78F0889GK(A)-GAJ-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 UPD78F0889GK(A)-GAJ-AX meets industry standards.
7.What is the process for return or replacement of UPD78F0889GK(A)-GAJ-AX?
All UPD78F0889GK(A)-GAJ-AX units undergo pre-shipment inspection (PSI). If there is an issue with UPD78F0889GK(A)-GAJ-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 UPD78F0889GK(A)-GAJ-AX part is unused and in its original packaging.
Return procedure for UPD78F0889GK(A)-GAJ-AX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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