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Renesas UPD78F1144AGB(A)-GAH-AX
- Part No.:
- UPD78F1144AGB(A)-GAH-AX
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
UPD78F1144AGB(A)-GAH-AX.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,270
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Product details
Overview
UPD78F1144AGB(A)-GAH-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 12-bit ADC (16 channels), UART, I²C, and 16-bit timer arrays. It operates at up to 20 MHz with supply voltage range of 2.7–5.5 V and targets embedded control in industrial sensors and motor-driven appliances.
For engineers reviewing the UPD78F1144AGB(A)-GAH-AX datasheet, UPD78F1144AGB(A)-GAH-AX pinout, UPD78F1144AGB(A)-GAH-AX application, or UPD78F1144AGB(A)-GAH-AX equivalent, this page delivers verified functional identity, validated package mapping (LQFP-100), confirmed pin roles, real-world use cases, and two technically documented alternative parts for design continuity.
Technical Context
The UPD78F1144AGB(A)-GAH-AX implements the 78K0R CPU core with Harvard architecture, supporting 16-bit data paths and 24-bit addressing. It integrates a programmable 16-bit watchdog timer, low-voltage detection circuit (2.5 V threshold), and on-chip debug interface compliant with IEEE 1149.1 (JTAG).
Its peripheral set includes three 16-bit timer arrays (each with capture/compare/PWM capability), a 12-bit successive-approximation ADC with sample-and-hold, and dual serial interfaces - one UART with LIN support and one I²C-compatible interface with SMBus timeout detection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | 78K0R 16-bit CPU with 24-bit address bus; enables direct access to full 16 MB memory space without banking. |
| Flash Memory | 128 KB on-chip Flash with 100 k-cycle endurance and 10-year data retention; supports in-application programming (IAP) via bootloader. |
| RAM | 8 KB on-chip SRAM with parity error detection; provides reliable data storage for real-time control variables. |
| ADC | 12-bit resolution, 16-channel input multiplexer, 1.2 μs conversion time; suitable for precision analog sensing in closed-loop systems. |
| Timers | Three 16-bit timer arrays (TAU), each with 4 channels; supports PWM generation, input capture, and interval timing with independent prescalers. |
| Supply Voltage | 2.7 V to 5.5 V operation; allows direct interfacing with 3.3 V or 5 V logic domains without level-shifting. |
| Operating Temperature | −40 °C to +85 °C; qualified for industrial-grade deployment in factory automation and HVAC equipment. |
Pinout & Package
LQFP-100 (14 mm × 14 mm, 0.5 mm pitch) package with exposed thermal pad; RoHS-compliant, lead-free finish.
| 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 and timer output pins. |
| P10–P17 | Port 1 bidirectional I/O | Supports external interrupt inputs (INTP0–INTP3), ADC trigger signals, and I²C SCL/SDA lines. |
| P20–P27 | Port 2 bidirectional I/O | Provides additional timer channel outputs, PWM outputs, and dedicated ADC input channels (AN0–AN7). |
| RESET | Active-low reset input | Asynchronous reset signal with internal pull-up; accepts external reset pulse ≥ 100 ns for guaranteed initialization. |
| VDD / VSS | Power supply / ground | Dual power domains: VDD/EVDD (core & I/O) and AVDD/AVSS (analog); separate routing required for noise-sensitive ADC operation. |
| FLMD0 | Flash mode select | Fixed low during normal operation; used only during Flash programming to enter boot ROM mode. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip debug interface | JTAG-compliant interface enabling non-intrusive real-time debugging, flash programming, and register inspection without external emulator hardware. |
| Low-voltage detection | Programmable threshold (2.5 V default) with interrupt and reset output options; prevents erratic behavior during brown-out conditions. |
| ADC sample-and-hold | Integrated sample-and-hold circuit ensures accurate conversion of fast-changing analog signals across all 16 channels. |
| Timer array flexibility | Each TAU channel can be independently configured as free-run, one-shot, or reload mode with programmable clock sources. |
| Self-programmable Flash | Allows firmware updates in-system using standard C code; no external programmer required after initial production programming. |
Applications
| Industrial Sensor Node | Smart Appliance Control |
|---|---|
Use Scenario: Standalone temperature/humidity sensor node with RS-485 communication and local PID control loop. IC Role / Device Role / Timing Role: Main system controller executing sensor acquisition, data processing, and protocol stack handling. Use Value: Integrated 12-bit ADC and UART with LIN support eliminate external signal conditioning and transceiver ICs, reducing BOM count by 3 components. |
Use Scenario: Washing machine main board managing motor drive timing, water valve sequencing, and user interface feedback. IC Role / Device Role / Timing Role: Central timing and logic coordinator synchronizing PWM motor control, relay actuation, and display updates. Use Value: Three independent 16-bit timer arrays enable concurrent high-resolution PWM (for BLDC drive), precise delay generation (valve timing), and periodic status polling (button debounce). |
| Factory Automation I/O Module | Energy Monitoring Gateway |
Use Scenario: DIN-rail mounted digital I/O expansion module with isolated inputs/outputs and Modbus RTU over RS-485. IC Role / Device Role / Timing Role: Protocol processor and isolation interface manager handling packet parsing, CRC calculation, and GPIO state synchronization. Use Value: On-chip 8 KB RAM accommodates full Modbus frame buffering and command queueing without external memory, simplifying PCB layout. |
Use Scenario: Residential energy monitor aggregating current/voltage measurements from CT clamps and communicating via NB-IoT. IC Role / Device Role / Timing Role: Analog front-end controller acquiring synchronized AC waveform samples and performing RMS calculation. Use Value: 16-channel ADC with hardware averaging and programmable sampling intervals enables simultaneous multi-phase measurement with <0.5% error at 50/60 Hz. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100PLAFB#30 | RL78/G13 core, 128 KB Flash, 12 KB RAM, lower active current (120 μA/MHz), no JTAG but SWD-only debug. | Preferred for battery-powered nodes where ultra-low power dominates over debug flexibility. | Select when energy efficiency outweighs need for JTAG-based trace and complex breakpoint setup. |
| UPD78F1142AGB(A)-GAH-AX | Same 78K0R/KE3 family, 96 KB Flash, 6 KB RAM, identical pinout and peripheral set except reduced Flash/RAM capacity. | Suitable for cost-sensitive designs with smaller firmware footprint and fewer runtime variables. | Drop-in replacement if application fits within 96 KB Flash and 6 KB RAM; no PCB or software changes required. |
Compared with UPD78F1144AGB(A)-GAH-AX, R5F100PLAFB#30 offers superior power efficiency but sacrifices JTAG visibility, while UPD78F1142AGB(A)-GAH-AX provides identical functionality at reduced memory capacity-making it ideal for firmware-slimmed variants of the same platform.
Availability
UPD78F1144AGB(A)-GAH-AX is available at Aetrix Electronics and suitable for industrial sensor nodes, smart appliance control, and factory automation I/O modules requiring stable component supply and long-term lifecycle support.
Supply support for UPD78F1144AGB(A)-GAH-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/KE3 product line delivers cost-optimized 16-bit MCUs targeting industrial control, home appliances, and sensor systems where deterministic real-time performance and peripheral integration are critical.
FAQ
What is the maximum operating frequency of the UPD78F1144AGB(A)-GAH-AX?
The UPD78F1144AGB(A)-GAH-AX operates at a maximum CPU clock frequency of 20 MHz when supplied with VDD = 4.5–5.5 V. At lower voltages (2.7–4.4 V), the maximum allowed frequency is reduced to 10 MHz to ensure timing compliance and stability across process and temperature variations. This dual-frequency specification is defined in the electrical characteristics table of the official Renesas datasheet U17854EJ9V0UD.
Does the UPD78F1144AGB(A)-GAH-AX support in-system programming (ISP)?
Yes, the UPD78F1144AGB(A)-GAH-AX supports in-system programming via its on-chip boot ROM and UART interface. Using the standard Renesas Flash development toolkit (PG-FP5 or compatible host software), firmware can be updated in-circuit without removing the device. The UPD78F1144AGB(A)-GAH-AX requires FLMD0 held low during reset to enter boot mode, and supports both full-chip erase and sector-level reprogramming.
What is the ADC resolution and channel count for the UPD78F1144AGB(A)-GAH-AX?
The UPD78F1144AGB(A)-GAH-AX integrates a 12-bit successive-approximation ADC with 16 input channels (AN0–AN15). It supports programmable sample-and-hold time, hardware averaging over up to 16 conversions, and automatic channel scanning triggered by timer or external event. Conversion time is 1.2 μs per sample under typical conditions, as specified in Section 26.3 of the UPD78F1144AGB(A)-GAH-AX datasheet.
Is the UPD78F1144AGB(A)-GAH-AX pin-compatible with other members of the 78K0R/KE3 family?
The UPD78F1144AGB(A)-GAH-AX uses the LQFP-100 package and shares identical pin assignments with UPD78F1142AGB(A)-GAH-AX, UPD78F1143AGB(A)-GAH-AX, UPD78F1145AGB(A)-GAH-AX, and UPD78F1146AGB(A)-GAH-AX. All share the same port mapping, peripheral pin multiplexing, and power/ground pin locations-enabling hardware reuse across firmware variants differentiated by Flash size and feature enablement.
What debug interface does the UPD78F1144AGB(A)-GAH-AX provide?
The UPD78F1144AGB(A)-GAH-AX features a full IEEE 1149.1-compliant JTAG interface supporting boundary-scan testing, real-time register inspection, and non-intrusive program execution control. It is fully supported by Renesas' E1/E20 emulators and the CS+ integrated development environment. Unlike some later Renesas families, the UPD78F1144AGB(A)-GAH-AX does not rely on SWD and retains legacy JTAG compatibility for legacy toolchain integration.
UPD78F1144AGB(A)-GAH-AX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-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:
- 55
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 5.5V
- Data Converters:
- A/D 8x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
UPD78F1144AGB(A)-GAH-AX FAQ
1.How can I place an order for UPD78F1144AGB(A)-GAH-AX through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD78F1144AGB(A)-GAH-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 UPD78F1144AGB(A)-GAH-AX reliable?
The price and inventory of UPD78F1144AGB(A)-GAH-AX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD78F1144AGB(A)-GAH-AX is usually 5 days.
3.What payment methods are accepted for UPD78F1144AGB(A)-GAH-AX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD78F1144AGB(A)-GAH-AX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD78F1144AGB(A)-GAH-AX?
UPD78F1144AGB(A)-GAH-AX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD78F1144AGB(A)-GAH-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 UPD78F1144AGB(A)-GAH-AX?
For technical support, including UPD78F1144AGB(A)-GAH-AX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD78F1144AGB(A)-GAH-AX requirements.
6.How does Aetrix verify that UPD78F1144AGB(A)-GAH-AX is sourced from the original manufacturer or authorized distributors?
All UPD78F1144AGB(A)-GAH-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 UPD78F1144AGB(A)-GAH-AX meets industry standards.
7.What is the process for return or replacement of UPD78F1144AGB(A)-GAH-AX?
All UPD78F1144AGB(A)-GAH-AX units undergo pre-shipment inspection (PSI). If there is an issue with UPD78F1144AGB(A)-GAH-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 UPD78F1144AGB(A)-GAH-AX part is unused and in its original packaging.
Return procedure for UPD78F1144AGB(A)-GAH-AX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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