Renesas UPD78F1144AF1-AN1-A
- Part No.:
- UPD78F1144AF1-AN1-A
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-VFBGA
- Datasheet:
-
UPD78F1144AF1-AN1-A.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 64BGA
- Quantity:
- Payment:

- Shipping:

Inventory:1,055
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Product details
Overview
UPD78F1144AF1-AN1-A 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 10-bit ADC (16 channels), UART, I²C, and 16-bit timer arrays. It operates at up to 20 MHz with supply voltage range 2.7–5.5 V and targets industrial control and sensor interface applications.
For engineers reviewing the UPD78F1144AF1-AN1-A datasheet, UPD78F1144AF1-AN1-A pinout, UPD78F1144AF1-AN1-A application, or UPD78F1144AF1-AN1-A equivalent, key selection criteria include Flash endurance (100,000 write/erase cycles), operating temperature range (−40°C to +85°C), package type (100-pin LQFP), and compliance with industrial-grade reliability standards per Renesas quality grading.
Technical Context
The UPD78F1144AF1-AN1-A implements the 78K0R CPU core with Harvard architecture, supporting 16-bit data paths and 24-bit addressing. It integrates a programmable low-voltage detector (LVD), watchdog timer (WDT), and on-chip debug interface compliant with IEEE 1149.1 (JTAG).
Peripheral subsystems include three 16-bit timer arrays (each with capture/compare/PWM capability), a serial array unit (SAU) configurable as UART/I²C/SPI, and an analog comparator. All peripherals are clocked via a flexible on-chip oscillator system with main clock (up to 20 MHz), sub-clock (32.768 kHz), and internal RC options.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 78K0R 16-bit CPU with 24-bit address space and 1.15 DMIPS/MHz performance |
| Flash Memory | 128 KB on-chip Flash with 100,000 erase/write cycles and 10-year data retention |
| RAM Size | 8 KB on-chip RAM with wait-state-free access at max frequency |
| ADC Resolution | 10-bit successive approximation ADC with 16 input channels and ±1 LSB INL |
| Operating Voltage | 2.7 V to 5.5 V - supports direct interface with 3.3 V and 5 V logic systems |
| Temperature Range | −40°C to +85°C - qualified for industrial ambient operation without derating |
| Max Clock Frequency | 20 MHz - enables real-time response ≤50 ns instruction cycle time |
Pinout & Package
UPD78F1144AF1-AN1-A is housed in a 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) package with exposed thermal pad. Pin assignments follow standard 78K0R/KE3 layout, supporting multiplexed I/O, dedicated power/ground pins, and JTAG debug interface.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, EVDD | Power supply inputs | Dual VDD (core) and EVDD (I/O) rails enable independent noise filtering and voltage scaling |
| VSS, EVSS | Ground returns | Separate analog/digital ground pins reduce coupling noise in mixed-signal operation |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts external debounced signal or power-on reset pulse |
| FLMD0 | Flash mode select | Configures boot mode at power-up: high = user program start, low = flash programming mode |
| P00–P06 | Port 0 bidirectional I/O | General-purpose port with selectable pull-up, CMOS output drive, and interrupt-on-change capability |
| AVREF | Analog reference voltage | External reference input for ADC; can be tied to VDD or precision voltage source |
| REGC | Regulator capacitor terminal | Connects external 1 µF ceramic capacitor to stabilize internal voltage regulator for analog circuitry |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash with EEPROM emulation | Uses dedicated Flash sectors to emulate EEPROM functionality with byte-level write capability and wear leveling |
| Low-voltage detection (LVD) | Programmable threshold (2.3 V / 2.7 V / 3.3 V / 4.0 V) with interrupt or reset output option |
| Serial array unit (SAU) | Two SAU channels support simultaneous UART + I²C or dual UART operation with independent baud rate generators |
| 16-bit timer array (TAU) | Three independent TAU modules provide 12 PWM outputs, input capture with timestamping, and interval timing down to 50 ns resolution |
| Debug interface | IEEE 1149.1-compliant JTAG interface enables full-speed on-chip debugging, flash programming, and boundary scan testing |
Applications
| Industrial Motor Control | Sensor Signal Conditioning |
|---|---|
Use Scenario: Closed-loop speed control of BLDC motors in HVAC blowers and factory automation drives. IC Role / Device Role / Timing Role: Main controller executing FOC algorithms, managing gate driver timing, and sampling current/voltage feedback via ADC. Use Value: Integrated 16-bit TAU timers deliver precise PWM dead-time insertion and synchronized ADC sampling at 20 kHz switching frequency. | Use Scenario: Analog front-end for multi-channel environmental sensors (temperature, humidity, gas) in smart building nodes. IC Role / Device Role / Timing Role: Sensor hub aggregating and preprocessing analog signals before wireless transmission. Use Value: 16-channel 10-bit ADC with hardware averaging reduces external signal conditioning components and improves SNR by 3 dB over 16 samples. |
| Programmable Logic Controller (PLC) I/O Module | Energy Metering Interface |
Use Scenario: Digital I/O expansion module handling 16-channel isolated inputs and 8-channel relay outputs in DIN-rail mounted PLCs. IC Role / Device Role / Timing Role: Real-time I/O manager interfacing with optocouplers and driving solid-state relays via GPIO and PWM-controlled zero-cross detection. Use Value: Dedicated port registers with atomic bit-set/reset instructions prevent race conditions during concurrent I/O updates in deterministic scan cycles. | Use Scenario: Pulse counting and tariff switching interface between utility meter ICs and display/communication modules. IC Role / Device Role / Timing Role: Time-critical event processor capturing kWh pulses and updating billing registers with tamper-resistant timestamps. Use Value: Hardware timer capture with 20 MHz clock resolution ensures ±50 ns accuracy in pulse width measurement for Class 0.5 meter compliance. |
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; 32 KB Flash, 4 KB RAM, lower power (125 µA/MHz), no hardware multiplier | Better suited for battery-powered sensing nodes; lacks TAU timer resolution for motor control PWM | Select when ultra-low active power and smaller code footprint outweigh need for high-resolution PWM |
| UPD78F1145AF1-AN1-A | Same 78K0R/KE3 family; 192 KB Flash, identical peripherals and pinout | Direct upgrade path for applications requiring larger firmware image or future feature expansion | Choose for design scalability where Flash headroom is critical and PCB layout reuse is required |
Compared with UPD78F1144AF1-AN1-A, R5F100LEAFB#30 offers lower power but reduced peripheral precision, while UPD78F1145AF1-AN1-A provides identical compatibility with increased Flash capacity-enabling seamless firmware growth without hardware revision.
Availability
UPD78F1144AF1-AN1-A is available at Aetrix Electronics and suitable for industrial motor control, sensor signal conditioning, and programmable logic controller (PLC) I/O modules requiring stable component supply across extended production lifecycles.
Supply support for UPD78F1144AF1-AN1-A 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 automation, building control, and legacy system upgrades where deterministic real-time performance and long-term supply stability are essential.
FAQ
What is the maximum operating frequency of the UPD78F1144AF1-AN1-A?
The UPD78F1144AF1-AN1-A operates at a maximum CPU clock frequency of 20 MHz, delivering a 50 ns instruction cycle time. This frequency is supported across the full industrial temperature range (−40°C to +85°C) and supply voltage range (2.7 V to 5.5 V), enabling deterministic real-time execution for time-critical control loops in applications such as motor drive and sensor acquisition.
Does the UPD78F1144AF1-AN1-A include on-chip debug capability?
Yes, the UPD78F1144AF1-AN1-A integrates a full IEEE 1149.1-compliant JTAG interface for on-chip debugging, flash programming, and boundary scan testing. This allows real-time breakpoint setting, register and memory inspection, and non-intrusive trace without requiring external debug probes beyond standard JTAG adapters like the QB-MINI2 emulator.
How many analog-to-digital converter (ADC) channels does the UPD78F1144AF1-AN1-A support?
The UPD78F1144AF1-AN1-A features a 10-bit successive approximation ADC with 16 input channels. These channels are multiplexed across dedicated analog pins and selected via the ADPC register. The ADC supports hardware-triggered conversions synchronized to timer events, making it suitable for precise sampling in motor control and sensor interface applications.
What package type is used for the UPD78F1144AF1-AN1-A?
The UPD78F1144AF1-AN1-A is supplied in a 100-pin LQFP package (14 mm × 14 mm, 0.5 mm pitch) with an exposed thermal pad. This package supports standard surface-mount assembly processes and provides adequate thermal dissipation for continuous operation at full clock speed under industrial ambient conditions.
Is the UPD78F1144AF1-AN1-A qualified for industrial temperature operation?
Yes, the UPD78F1144AF1-AN1-A is rated for industrial temperature operation from −40°C to +85°C and classified as a "Standard" quality grade device per Renesas specifications. It meets all electrical and timing requirements across this range without derating, making it suitable for deployment in factory automation, building control, and outdoor equipment environments.
UPD78F1144AF1-AN1-A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-VFBGA
- Series:
- 78K0R/Kx3
- Packaging:
- Tray
- Product Status:
- Last Time Buy
- 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:
- 50
- 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:
UPD78F1144AF1-AN1-A FAQ
1.How can I place an order for UPD78F1144AF1-AN1-A through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD78F1144AF1-AN1-A 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 UPD78F1144AF1-AN1-A reliable?
The price and inventory of UPD78F1144AF1-AN1-A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD78F1144AF1-AN1-A is usually 5 days.
3.What payment methods are accepted for UPD78F1144AF1-AN1-A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD78F1144AF1-AN1-A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD78F1144AF1-AN1-A?
UPD78F1144AF1-AN1-A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD78F1144AF1-AN1-A 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 UPD78F1144AF1-AN1-A?
For technical support, including UPD78F1144AF1-AN1-A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD78F1144AF1-AN1-A requirements.
6.How does Aetrix verify that UPD78F1144AF1-AN1-A is sourced from the original manufacturer or authorized distributors?
All UPD78F1144AF1-AN1-A 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 UPD78F1144AF1-AN1-A meets industry standards.
7.What is the process for return or replacement of UPD78F1144AF1-AN1-A?
All UPD78F1144AF1-AN1-A units undergo pre-shipment inspection (PSI). If there is an issue with UPD78F1144AF1-AN1-A, 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 UPD78F1144AF1-AN1-A part is unused and in its original packaging.
Return procedure for UPD78F1144AF1-AN1-A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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