Renesas UPD78F1508AGF-GAT-AX
- Part No.:
- UPD78F1508AGF-GAT-AX
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 128-LQFP
- Datasheet:
-
UPD78F1508AGF-GAT-AX.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 128LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,707
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Product details
Overview
UPD78F1508AGF-GAT-AX from Renesas Electronics is a 16-bit single-chip microcontroller in the 78K0R/LH3 family, featuring 128 KB Flash memory, 8 KB RAM, and a maximum operating frequency of 20 MHz. It integrates a 10-bit ADC (16 channels), UART, I²C, and CAN 2.0B controller, targeting embedded control in industrial sensors and motor drive interfaces.
For engineers reviewing the UPD78F1508AGF-GAT-AX datasheet, UPD78F1508AGF-GAT-AX pinout, UPD78F1508AGF-GAT-AX application, or UPD78F1508AGF-GAT-AX equivalent, key selection criteria include its 100-pin LQFP package, CAN interface support, on-chip voltage regulator (REGC), and Flash endurance of 100,000 write/erase cycles.
Technical Context
The UPD78F1508AGF-GAT-AX implements the 78K0R CPU core with 16-bit architecture, supporting 16 MB address space and 3-stage pipeline execution. It includes dual voltage domains: AVDD/AVSS for analog peripherals (ADC, VREF) and VDD/VSS for digital logic, with independent power supply pins for noise isolation.
Its on-chip peripheral set includes a 16-bit multifunction timer array (MTU), watchdog timer (WDT), and real-time clock (RTC) with calendar function. The device supports in-circuit debugging via on-chip debug interface and flash programming through serial interface (UART or dedicated FLMD pins).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 78K0R 16-bit CPU with 3-stage pipeline and 16 MB address space |
| Flash Memory | 128 KB on-chip Flash with 100,000 erase/write cycles and 128-byte page size |
| RAM Size | 8 KB on-chip RAM, accessible at full 20 MHz speed without wait states |
| Max Operating Frequency | 20 MHz system clock with internal PLL option for higher-frequency peripheral operation |
| Analog-to-Digital Converter | 10-bit ADC with 16 input channels, ±1 LSB INL, conversion time ≤1.5 μs per channel |
| Communication Interfaces | UART ×2, I²C ×1, CAN 2.0B controller ×1 with message object buffers and automatic retransmission |
| Supply Voltage Range | VDD = 2.7–5.5 V; separate AVDD (2.7–5.5 V) and EVDD (1.8–5.5 V) for analog/digital domains |
| Operating Temperature | −40°C to +85°C, qualified for industrial-grade applications |
Pinout & Package
UPD78F1508AGF-GAT-AX is housed in a 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) package with exposed thermal pad. Pin functions are defined per Renesas User's Manual Rev.5.01 (Jun 2011), Section 1.3.3 and 2.1.3 for 78K0R/LH3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00–P07 | Port 0 bidirectional I/O | Configurable as general-purpose I/O or alternate functions including UART0 TX/RX, I²C SCL/SDA |
| P10–P17 | Port 1 bidirectional I/O | Supports CAN0 TX/RX, MTU timer inputs, and external interrupt sources (INTP0–INTP7) |
| P20–P27 | Port 2 bidirectional I/O | ADC input channels AN0–AN7, with internal pull-up/pull-down and digital filter options |
| P50–P57 | Port 5 bidirectional I/O | Dedicated to SEGxx and COMxx for LCD segment driver (up to 128 segments), not used if LCD disabled |
| REGC | On-chip voltage regulator control | Enables internal 3.3 V regulator for core logic; requires external 10 μF ceramic capacitor on REGCOUT |
| RESET | Active-low reset input | Asynchronous reset with built-in de-bounce circuit; accepts external reset signal or internal WDT timeout |
| FLMD0 | Flash mode selection | Must be held high during power-on to enable normal operation; low enables serial programming mode |
| AVDD0/AVSS | Analog power supply | Isolated analog domain supply for ADC, VREF, and comparator; requires separate decoupling from digital VDD |
Key Features
| Feature | Design Value |
|---|---|
| Integrated CAN 2.0B Controller | Full CAN protocol stack support with 32 message objects, hardware acceptance filtering, and error confinement |
| On-Chip Voltage Regulator (REGC) | Generates stable 3.3 V core supply from main VDD (2.7–5.5 V), reducing external component count |
| High-Resolution Analog Peripherals | 10-bit ADC with selectable sample-and-hold timing, internal reference (VREFOUT), and scan mode for multi-channel acquisition |
| Robust Debug & Programming Interface | On-chip debug circuit compatible with QB-MINI2 emulator; supports flash read protection and secure boot configuration |
| Industrial-Grade Reliability | Qualified per Renesas "Standard" quality grade for industrial robots, factory automation, and test equipment |
| Low-Power Operation Modes | Four power-saving modes (HALT, STOP, SNOOZE, and IDLE) with wake-up from multiple sources including RTC alarm and external interrupts |
Applications
| Industrial Motor Control | Building Automation Sensor Hub |
|---|---|
Use Scenario: Closed-loop control of BLDC motors in HVAC blowers and conveyor drives using hall-effect feedback and PWM output. IC Role / Device Role / Timing Role: Main system controller executing FOC algorithm, managing ADC sampling of current/voltage, and generating 3-phase PWM via MTU timers. Use Value: Integrated CAN interface enables seamless integration into building management networks; on-chip REGC simplifies power design for compact motor driver PCBs. | Use Scenario: Multi-sensor aggregation node collecting temperature, humidity, CO₂, and occupancy data in smart office environments. IC Role / Device Role / Timing Role: Central data acquisition unit with simultaneous 16-channel ADC scanning, sensor calibration storage in Flash, and CAN-based backhaul to gateway. Use Value: 128 KB Flash accommodates firmware plus calibrated sensor coefficients; industrial temp range (−40°C to +85°C) ensures reliability in unconditioned ceiling spaces. |
| Programmable Logic Controller (PLC) I/O Module | Industrial Safety Interlock Controller |
Use Scenario: DIN-rail mounted digital I/O expansion module with 16 isolated inputs and 8 relay outputs, communicating via CANopen. IC Role / Device Role / Timing Role: Real-time I/O scheduler with deterministic response to input changes, CAN message framing, and watchdog supervision of fieldbus communication. Use Value: Dual voltage domains (AVDD/VDD) allow clean separation between analog sensing and digital control logic; 100-pin LQFP provides sufficient I/O for modular expansion headers. | Use Scenario: Category 3 safety-rated interlock controller monitoring emergency stops, light curtains, and door switches in CNC machine tools. IC Role / Device Role / Timing Role: Fail-safe state monitor with redundant input validation, self-test routines, and dual-channel output verification via GPIO and PWM patterns. Use Value: Flash write protection and secure boot prevent unauthorized firmware modification; WDT and voltage monitor ensure timely shutdown on fault detection. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F10PLGDFB#V0 | RL78/G14-based; lower max frequency (32 MHz), smaller Flash (96 KB), no CAN, but enhanced low-power modes | Lacks CAN interface; better suited for battery-powered sensor nodes than CAN-connected industrial controllers | Select only if CAN is unnecessary and ultra-low power (<0.5 μA STOP mode) is prioritized over real-time bus communication |
| MB9BF506RPMC | Fujitsu FM3-based; ARM Cortex-M3 core, 256 KB Flash, CAN FD support, but larger 128-pin LQFP package | Higher performance and CAN FD capability, but requires PCB redesign and toolchain migration | Consider for future-proofing where CAN FD bandwidth or ARM ecosystem compatibility outweighs legacy 78K0R codebase retention |
Compared with UPD78F1508AGF-GAT-AX, R5F10PLGDFB#V0 offers superior energy efficiency but omits CAN-making it unsuitable for fieldbus-dependent systems-while MB9BF506RPMC delivers CAN FD and ARM compatibility at the cost of increased layout complexity and software rework.
Availability
UPD78F1508AGF-GAT-AX is available at Aetrix Electronics and suitable for industrial motor control, building automation sensor hubs, and programmable logic controller (PLC) I/O modules requiring stable component supply across extended production lifecycles.
Supply support for UPD78F1508AGF-GAT-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 headquartered in Japan, specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and infrastructure markets.
The 78K0R/LH3 product line-including UPD78F1508AGF-GAT-AX-is designed for cost-sensitive, high-reliability industrial control applications requiring integrated analog peripherals, real-time communication, and long-term supply stability.
FAQ
What is the maximum operating frequency of the UPD78F1508AGF-GAT-AX?
The UPD78F1508AGF-GAT-AX operates at a maximum system clock frequency of 20 MHz. This is achieved using either an external crystal oscillator (up to 20 MHz) or the internal high-speed oscillator with PLL multiplication. All on-chip peripherals-including the 10-bit ADC, CAN controller, and MTU timers-are fully functional at this speed without wait states.
Does the UPD78F1508AGF-GAT-AX include a CAN interface?
Yes, the UPD78F1508AGF-GAT-AX integrates a full CAN 2.0B controller compliant with ISO 11898-1. It supports bit rates up to 1 Mbps, features 32 message objects with hardware acceptance filtering, and includes automatic retransmission and error confinement. CAN functionality is assigned to P10 (CAN0TX) and P11 (CAN0RX) pins in the 100-pin LQFP package.
What package type and pin count does the UPD78F1508AGF-GAT-AX use?
The UPD78F1508AGF-GAT-AX uses a 100-pin LQFP package (14 mm × 14 mm, 0.5 mm pitch) with an exposed thermal pad. This package is specified in Renesas documentation for the 78K0R/LH3 group and supports all I/O, analog, and communication functions documented in the Hardware User's Manual Rev.5.01.
How much Flash and RAM memory does the UPD78F1508AGF-GAT-AX provide?
The UPD78F1508AGF-GAT-AX includes 128 KB of on-chip Flash memory with 100,000 write/erase cycles and 8 KB of on-chip RAM. Flash is organized in 128-byte pages and supports in-application programming (IAP); RAM is zero-wait-state at 20 MHz and includes dedicated areas for stack and peripheral register shadowing.
Is the UPD78F1508AGF-GAT-AX qualified for industrial temperature operation?
Yes, the UPD78F1508AGF-GAT-AX is rated for operation from −40°C to +85°C and is classified under Renesas' "Standard" quality grade-specifically intended for industrial applications such as factory automation, test equipment, and industrial robots. Its electrical specifications, including ADC accuracy and timing parameters, are guaranteed across this full temperature range.
UPD78F1508AGF-GAT-AX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 128-LQFP
- Series:
- 78K0R/Lx3
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- 78K/0R
- Core Size:
- 16-Bit
- Speed:
- 20MHz
- Connectivity:
- CSI, I2C, LINbus, UART/USART
- Peripherals:
- DMA, LCD, LVD, POR, PWM, WDT
- Number of I/O:
- 76
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 7K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 5.5V
- Data Converters:
- A/D 12x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
UPD78F1508AGF-GAT-AX FAQ
1.How can I place an order for UPD78F1508AGF-GAT-AX through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD78F1508AGF-GAT-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 UPD78F1508AGF-GAT-AX reliable?
The price and inventory of UPD78F1508AGF-GAT-AX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD78F1508AGF-GAT-AX is usually 5 days.
3.What payment methods are accepted for UPD78F1508AGF-GAT-AX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD78F1508AGF-GAT-AX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD78F1508AGF-GAT-AX?
UPD78F1508AGF-GAT-AX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD78F1508AGF-GAT-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 UPD78F1508AGF-GAT-AX?
For technical support, including UPD78F1508AGF-GAT-AX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD78F1508AGF-GAT-AX requirements.
6.How does Aetrix verify that UPD78F1508AGF-GAT-AX is sourced from the original manufacturer or authorized distributors?
All UPD78F1508AGF-GAT-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 UPD78F1508AGF-GAT-AX meets industry standards.
7.What is the process for return or replacement of UPD78F1508AGF-GAT-AX?
All UPD78F1508AGF-GAT-AX units undergo pre-shipment inspection (PSI). If there is an issue with UPD78F1508AGF-GAT-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 UPD78F1508AGF-GAT-AX part is unused and in its original packaging.
Return procedure for UPD78F1508AGF-GAT-AX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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