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Renesas UPD78F1142AGB(S)-GAH-M1-AX
- Part No.:
- UPD78F1142AGB(S)-GAH-M1-AX
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
UPD78F1142AGB(S)-GAH-M1-AX.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,535
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Product details
Overview
UPD78F1142AGB(S)-GAH-M1-AX from Renesas Electronics is a 16-bit single-chip microcontroller in the 78K0R/KE3 family, designed for embedded control in industrial and consumer systems. It features 128 KB on-chip Flash memory, 8 KB RAM, a 16-bit CPU core, 51 I/O pins, and integrated peripherals including UART, I²C, SPI, 16-bit timer arrays, and 10-bit ADC with 16 channels. It operates at up to 20 MHz and supports 2.7–5.5 V supply voltage.
For engineers reviewing the UPD78F1142AGB(S)-GAH-M1-AX datasheet, UPD78F1142AGB(S)-GAH-M1-AX pinout, UPD78F1142AGB(S)-GAH-M1-AX application, or UPD78F1142AGB(S)-GAH-M1-AX equivalent, this page delivers verified technical context, package mapping, functional specifications, real-world use cases, and validated alternative options for industrial control, appliance management, and sensor interface design.
Technical Context
The UPD78F1142AGB(S)-GAH-M1-AX implements the 78K0R CPU core with Harvard architecture, supporting 16-bit data paths and 24-bit addressing. It integrates a programmable 16-bit multi-function timer (MTU), watchdog timer (WDT), and power-on reset (POR) circuitry with adjustable delay.
Its peripheral set includes three serial interfaces (UART ×2, I²C ×1), a 10-bit successive-approximation ADC with sample-and-hold and hardware-triggered conversion, and an on-chip voltage regulator (REGC pin) enabling single-supply operation. The device supports both internal and external clock sources, including crystal oscillator (1–20 MHz) and sub-clock (32.768 kHz).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | 78K0R 16-bit CISC core with 24-bit address space and 16-bit ALU - enables deterministic real-time control and efficient code density. |
| Flash Memory | 128 KB on-chip Flash with EEPROM emulation - supports field firmware updates and nonvolatile parameter storage without external memory. |
| RAM | 8 KB on-chip RAM - sufficient for stack, variables, and buffer handling in mid-complexity control applications. |
| ADC | 10-bit SAR ADC with 16 input channels and hardware-triggered sampling - allows synchronized analog acquisition across multiple sensors. |
| Max Operating Frequency | 20 MHz (with external crystal or internal high-speed oscillator) - delivers 20 MIPS throughput for responsive motor or power control loops. |
| Supply Voltage Range | 2.7 V to 5.5 V - compatible with battery-powered and industrial 3.3 V/5 V systems without level-shifting. |
| I/O Pins | 51 CMOS bidirectional I/O pins with individual pull-up control - supports direct connection to switches, LEDs, and digital sensors. |
Pinout & Package
UPD78F1142AGB(S)-GAH-M1-AX is housed in a 64-pin LQFP package (10 mm × 10 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are fully defined per Renesas User's Manual U17854EJ9V0UD, Chapter 2.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD / EVDD | Core & I/O Power Supply | Dual VDD (core) and EVDD (I/O) pins enable independent noise filtering and voltage optimization for mixed-signal operation. |
| VSS / EVSS | Core & I/O Ground | Separate ground returns reduce coupling between analog/digital domains and improve ADC accuracy. |
| RESET | Active-Low Reset Input | Asynchronous reset with built-in debouncing and POR - ensures reliable initialization under brown-out or power-up conditions. |
| REGC | On-Chip Regulator Control | Enables internal 3.3 V regulator when connected to external capacitor - eliminates need for external LDO in 5 V systems. |
| AVREF / AVSS | Analog Reference & Ground | Dedicated analog reference and ground pins isolate ADC reference path from digital noise. |
| P00–P06, P10–P17, etc. | General-Purpose I/O Ports | 51 total I/O pins grouped into 8 ports with individually configurable direction, pull-up, and alternate function (e.g., UART TX/RX, timer outputs). |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Flash with Self-Programming | Supports in-application programming (IAP) via dedicated library - enables over-the-air updates and runtime parameter tuning. |
| Hardware Multi-Function Timer (MTU) | 16-bit timer with PWM output, input capture, and dead-time insertion - suitable for BLDC motor control and power supply regulation. |
| Low-Power Modes | HALT, STOP, and SNOOZE modes with wake-up from multiple sources (IRQ, RTC, ADC EOC) - extends battery life in portable equipment. |
| Integrated Clock System | Configurable main clock (1–20 MHz crystal), sub-clock (32.768 kHz), and internal RC oscillators - eliminates external timing components in cost-sensitive designs. |
| High Immunity Design | ±4 kV HBM ESD rating and noise immunity per IEC 61000-4-4 - meets industrial EMC requirements without additional protection circuitry. |
Applications
| Industrial Motor Control | Home Appliance MCU |
|---|---|
Use Scenario: Closed-loop speed and position control of brushless DC motors in HVAC blowers and washing machine drum drives. IC Role / Device Role / Timing Role: Central controller executing FOC or trapezoidal commutation algorithms, managing PWM generation, current sensing, and fault monitoring. Use Value: Integrated MTU with complementary PWM outputs and ADC synchronization reduces external component count and improves timing precision vs. discrete timer + MCU solutions. |
Use Scenario: Main control unit in microwave ovens, rice cookers, and vacuum cleaners managing user interface, heating cycles, and safety interlocks. IC Role / Device Role / Timing Role: Real-time task scheduler coordinating display refresh, keypad scanning, relay actuation, and thermal cutoff response. Use Value: 128 KB Flash accommodates complex UI logic and safety-certified firmware; 51 I/O pins support direct drive of LED segments, buttons, and triac drivers. |
| Sensor Data Acquisition Node | Smart Power Outlet Controller |
Use Scenario: Battery-powered environmental monitor collecting temperature, humidity, and CO₂ readings for building automation networks. IC Role / Device Role / Timing Role: Sensor hub aggregating analog and digital inputs, performing local preprocessing, and transmitting via UART/I²C to gateway. Use Value: 10-bit ADC with 16-channel multiplexing and hardware-triggered sampling enables precise multi-sensor correlation without CPU overhead. |
Use Scenario: Wi-Fi- or Zigbee-connected outlet measuring load current, voltage, and energy consumption while enforcing overload shutdown. IC Role / Device Role / Timing Role: Safety-critical supervisor interfacing with isolation amplifier, zero-crossing detector, and solid-state relay driver. Use Value: Dual VDD/EVDD supply separation and dedicated AVREF/AVSS ensure stable ADC measurements under noisy AC line conditions. |
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-based; 64 KB Flash, 4 KB RAM, lower max frequency (32 MHz but lower MIPS efficiency), no REGC pin. | Lacks on-chip voltage regulator - requires external 3.3 V LDO in 5 V systems; fewer I/O pins (45 vs. 51). | Preferred where ultra-low power (0.52 μA STOP mode) outweighs Flash size and analog integration needs. |
| UPD78F1144AGB(S)-GAH-M1-AX | Same 78K0R/KE3 family; 256 KB Flash, identical peripherals and pinout - direct upward-compatible upgrade. | Same footprint and software compatibility - ideal for designs requiring larger firmware image or future feature expansion. | Select when firmware growth exceeds 128 KB or when long-term roadmap includes enhanced functionality without hardware redesign. |
Compared with R5F100PLAFB#30, UPD78F1142AGB(S)-GAH-M1-AX offers higher Flash density and integrated voltage regulation for simpler 5 V system design; compared with UPD78F1144AGB(S)-GAH-M1-AX, it provides optimal cost/performance balance for applications not requiring >128 KB code space.
Availability
UPD78F1142AGB(S)-GAH-M1-AX is available at Aetrix Electronics and suitable for industrial motor control, home appliance management, sensor data acquisition, and smart power outlet applications requiring stable component supply and long-term production continuity.
Supply support for UPD78F1142AGB(S)-GAH-M1-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 devices for industrial, automotive, and IoT markets.
The UPD78F1142AGB(S)-GAH-M1-AX belongs to the 78K0R/KE3 microcontroller product line, engineered for cost-effective, high-integration embedded control in appliances, factory automation, and consumer electronics where reliability, analog capability, and Flash flexibility are critical.
FAQ
What is the maximum operating frequency of the UPD78F1142AGB(S)-GAH-M1-AX?
The UPD78F1142AGB(S)-GAH-M1-AX supports a maximum operating frequency of 20 MHz when using an external crystal oscillator or the internal high-speed oscillator. This corresponds to 20 MIPS performance, sufficient for real-time control tasks such as motor commutation and sensor fusion. The device also supports lower-frequency clock sources including a 32.768 kHz sub-clock for RTC operation.
Does the UPD78F1142AGB(S)-GAH-M1-AX include an on-chip voltage regulator?
Yes, the UPD78F1142AGB(S)-GAH-M1-AX includes an on-chip voltage regulator controlled by the REGC pin. When configured with an external capacitor, it generates a stable 3.3 V supply for internal circuits, allowing single 5 V system operation without an external LDO. This feature simplifies power design and reduces BOM cost in 5 V applications.
How many analog-to-digital converter (ADC) channels does the UPD78F1142AGB(S)-GAH-M1-AX support?
The UPD78F1142AGB(S)-GAH-M1-AX integrates a 10-bit successive-approximation ADC with 16 input channels. It supports hardware-triggered conversion via timer or external event, sample-and-hold functionality, and selectable reference voltages (AVREF or internal bandgap). This enables simultaneous multi-sensor monitoring with minimal CPU intervention.
Is the UPD78F1142AGB(S)-GAH-M1-AX pin-compatible with other devices in the 78K0R/KE3 family?
The UPD78F1142AGB(S)-GAH-M1-AX shares the same 64-pin LQFP package and pinout with other members of the 78K0R/KE3 family, including UPD78F1144AGB(S)-GAH-M1-AX and UPD78F1146AGB(S)-GAH-M1-AX. This enables hardware reuse across variants differing only in Flash size and peripheral configuration, reducing PCB redesign effort during product scaling.
What development tools are supported for the UPD78F1142AGB(S)-GAH-M1-AX?
Renesas provides full toolchain support for the UPD78F1142AGB(S)-GAH-M1-AX, including the CC78K0R C compiler, RA78K0R assembler, ID78K0R-QB integrated debugger, and QB-MINI2 on-chip debug emulator. Flash programming is supported via PG-FP4/PG-FP5 programmers and the on-chip self-programming library (Type01), enabling secure firmware updates in the field.
UPD78F1142AGB(S)-GAH-M1-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:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 4K 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:
UPD78F1142AGB(S)-GAH-M1-AX FAQ
1.How can I place an order for UPD78F1142AGB(S)-GAH-M1-AX through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD78F1142AGB(S)-GAH-M1-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 UPD78F1142AGB(S)-GAH-M1-AX reliable?
The price and inventory of UPD78F1142AGB(S)-GAH-M1-AX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD78F1142AGB(S)-GAH-M1-AX is usually 5 days.
3.What payment methods are accepted for UPD78F1142AGB(S)-GAH-M1-AX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD78F1142AGB(S)-GAH-M1-AX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD78F1142AGB(S)-GAH-M1-AX?
UPD78F1142AGB(S)-GAH-M1-AX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD78F1142AGB(S)-GAH-M1-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 UPD78F1142AGB(S)-GAH-M1-AX?
For technical support, including UPD78F1142AGB(S)-GAH-M1-AX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD78F1142AGB(S)-GAH-M1-AX requirements.
6.How does Aetrix verify that UPD78F1142AGB(S)-GAH-M1-AX is sourced from the original manufacturer or authorized distributors?
All UPD78F1142AGB(S)-GAH-M1-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 UPD78F1142AGB(S)-GAH-M1-AX meets industry standards.
7.What is the process for return or replacement of UPD78F1142AGB(S)-GAH-M1-AX?
All UPD78F1142AGB(S)-GAH-M1-AX units undergo pre-shipment inspection (PSI). If there is an issue with UPD78F1142AGB(S)-GAH-M1-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 UPD78F1142AGB(S)-GAH-M1-AX part is unused and in its original packaging.
Return procedure for UPD78F1142AGB(S)-GAH-M1-AX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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