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Renesas UPD78F1146AGB-GAH-AX
- Part No.:
- UPD78F1146AGB-GAH-AX
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
UPD78F1146AGB-GAH-AX.pdf
- Description:
- IC MCU 16BIT 256KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,153
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Product details
Overview
UPD78F1146AGB-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, UART, I²C, and timer modules. 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 drives.
For engineers reviewing the UPD78F1146AGB-GAH-AX datasheet, UPD78F1146AGB-GAH-AX pinout, UPD78F1146AGB-GAH-AX application, or UPD78F1146AGB-GAH-AX equivalent, key selection criteria include Flash endurance (100k write/erase cycles), operating temperature range (−40°C to +85°C), and support for on-chip debug via single-wire interface.
Technical Context
The UPD78F1146AGB-GAH-AX implements the 78K0R CPU core with 16-bit architecture, Harvard memory organization, and instruction set compatible with earlier 78K0 devices. It integrates a programmable low-voltage detector (LVD), watchdog timer (WDT), and power-on reset (POR) circuitry for robust system initialization.
Peripheral integration includes six 16-bit timer/counters (with input capture/output compare), a 12-channel 12-bit ADC with sample-and-hold, and dual serial interfaces supporting UART and I²C protocols - all mapped to dedicated I/O ports with configurable pull-up/pull-down and CMOS/TTL input thresholds.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 78K0R 16-bit CPU with 16-MHz max operation (20 MHz with PLL) |
| Flash Memory | 128 KB on-chip Flash with 100k write/erase cycles; supports self-programming |
| RAM Size | 8 KB on-chip RAM with retention during stop mode |
| ADC Resolution | 12-bit successive approximation ADC with 12 input channels and 1.2 μs conversion time |
| Operating Voltage | 2.7 V to 5.5 V - enables direct interface with 3.3 V and 5 V logic systems |
| Temperature Range | −40°C to +85°C - qualified for industrial ambient environments |
| Package | 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) with exposed thermal pad |
Pinout & Package
The UPD78F1146AGB-GAH-AX is housed in a 100-pin LQFP package (14 mm × 14 mm, 0.5 mm pitch) with exposed thermal pad for enhanced thermal dissipation in continuous industrial operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, EVDD | Power supply inputs | Dual VDD (core) and EVDD (I/O) pins enable independent noise filtering and voltage regulation |
| 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 |
| P00–P06 | Port 0 bidirectional I/O | General-purpose port with selectable pull-up, interrupt-on-change, and peripheral function multiplexing |
| AVREF | Analog reference voltage input | Accepts external reference (1.5–5.5 V) or internal 2.5 V reference for ADC accuracy |
Key Features
| Feature | Design Value |
|---|---|
| On-chip debug interface | Single-wire on-chip debugging (SWD) eliminates need for external emulator hardware |
| Low-power modes | Four operational modes (HALT, STOP, SNOOZE, IDLE) with sub-μA current in STOP mode |
| Flash security | Read-out protection lock prevents unauthorized firmware extraction via debug interface |
| Peripheral clock control | Individual clock gating per module reduces dynamic power consumption by disabling unused peripherals |
| High-noise immunity | CMOS I/O with hysteresis, Schmitt-trigger inputs, and noise filter on interrupt pins |
Applications
| Industrial Motor Control | Smart Sensor Node |
|---|---|
Use Scenario: Closed-loop speed/torque control of BLDC motors in HVAC blowers and conveyor systems. IC Role / Device Role / Timing Role: Main controller executing FOC algorithm, managing PWM generation, ADC sampling, and fault monitoring. Use Value: Integrated 12-bit ADC with simultaneous sampling across 3 phases and 16-bit timers with dead-time insertion simplify motor drive design. | Use Scenario: Battery-powered environmental sensor hub collecting temperature, humidity, and CO₂ data. IC Role / Device Role / Timing Role: System-on-chip managing sensor interfacing, data preprocessing, wireless transmission timing, and sleep/wake scheduling. Use Value: Sub-μA STOP mode current and programmable wake-up sources extend battery life beyond 5 years in periodic-readout applications. |
| Programmable Logic Controller (PLC) I/O Module | Home Appliance Control Board |
Use Scenario: DIN-rail mounted digital I/O expansion module with isolated inputs/outputs and Modbus RTU communication. IC Role / Device Role / Timing Role: Central processor handling protocol stack, isolation interface timing, and real-time I/O state scanning. Use Value: Dual UART with automatic baud-rate detection and hardware flow control ensures reliable Modbus communication under EMI stress. | Use Scenario: Washing machine main control board managing motor sequencing, water valve actuation, and user interface. IC Role / Device Role / Timing Role: Primary MCU coordinating multi-stage wash cycles, safety interlocks, and fault diagnostics. Use Value: On-chip LVD and WDT with windowed timeout prevent runaway code during voltage dips or ESD events in high-noise appliance environments. |
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 but reduced peripheral count | Limited ADC channels (8 vs. 12) and no hardware I²C; suitable for cost-sensitive, low-complexity nodes | Select when BOM cost reduction outweighs need for full 78K0R peripheral feature set |
| UPD78F1145AGB-GAH-AX | Same package and pinout; 96 KB Flash, 6 KB RAM, identical peripheral set and timing specs | Lower memory capacity meets simpler control tasks without requiring re-layout or firmware porting | Choose for legacy-compatible upgrades where 128 KB Flash is unnecessary |
Compared with UPD78F1146AGB-GAH-AX, R5F100LEAFB#30 offers lower active power but sacrifices ADC resolution and serial interface flexibility, while UPD78F1145AGB-GAH-AX provides identical functionality at reduced memory density - enabling drop-in replacement where code size permits.
Availability
UPD78F1146AGB-GAH-AX is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, and PLC I/O modules requiring stable component supply and long-term production continuity.
Supply support for UPD78F1146AGB-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 IoT markets.
The 78K0R/KE3 product line delivers cost-optimized 16-bit MCUs targeting industrial automation, home appliances, and sensor-based embedded systems with emphasis on reliability, low-power operation, and toolchain compatibility.
FAQ
What is the maximum operating frequency of the UPD78F1146AGB-GAH-AX?
The UPD78F1146AGB-GAH-AX supports a maximum CPU clock frequency of 20 MHz using its on-chip PLL. When operating from the internal high-speed oscillator (HOCO), it runs at up to 16 MHz. The device's timing specifications - including ADC conversion time and peripheral response latency - are guaranteed across this full frequency range under rated voltage and temperature conditions.
Does the UPD78F1146AGB-GAH-AX support in-system programming (ISP)?
Yes, the UPD78F1146AGB-GAH-AX supports in-system programming via its on-chip serial interface using the standard Renesas Flash programming protocol. Firmware updates can be performed through UART or dedicated programming pins without removing the device from the PCB, provided the boot mode (FLMD0) is correctly configured and the target Flash area is unlocked.
What debug interface does the UPD78F1146AGB-GAH-AX use?
The UPD78F1146AGB-GAH-AX uses a single-wire on-chip debug (SWD) interface compliant with Renesas' standard debug specification. This interface supports full breakpoint control, register inspection, and memory read/write operations using only two pins (BKGD and VSS), eliminating the need for complex JTAG cabling or external emulators during development.
Is the UPD78F1146AGB-GAH-AX RoHS compliant?
Yes, the UPD78F1146AGB-GAH-AX is RoHS compliant and lead-free, meeting EU Directive 2011/65/EU requirements. Its packaging materials and manufacturing process exclude restricted substances including lead, mercury, cadmium, hexavalent chromium, PBB, and PBDE, as confirmed in Renesas' official compliance documentation.
What is the Flash endurance rating for the UPD78F1146AGB-GAH-AX?
The UPD78F1146AGB-GAH-AX specifies 100,000 write/erase cycles for its on-chip Flash memory under standard operating conditions (25°C, VDD = 3.0–5.5 V). Endurance is validated per JEDEC JESD22-A117 and applies to all 128 KB of program memory, including areas used for EEPROM emulation via software routines.
UPD78F1146AGB-GAH-AX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- 78K0R/Kx3
- Packaging:
- Tray
- Product Status:
- Active
- 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:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 12K 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:
UPD78F1146AGB-GAH-AX FAQ
1.How can I place an order for UPD78F1146AGB-GAH-AX through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD78F1146AGB-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 UPD78F1146AGB-GAH-AX reliable?
The price and inventory of UPD78F1146AGB-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 UPD78F1146AGB-GAH-AX is usually 5 days.
3.What payment methods are accepted for UPD78F1146AGB-GAH-AX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD78F1146AGB-GAH-AX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD78F1146AGB-GAH-AX?
UPD78F1146AGB-GAH-AX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD78F1146AGB-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 UPD78F1146AGB-GAH-AX?
For technical support, including UPD78F1146AGB-GAH-AX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD78F1146AGB-GAH-AX requirements.
6.How does Aetrix verify that UPD78F1146AGB-GAH-AX is sourced from the original manufacturer or authorized distributors?
All UPD78F1146AGB-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 UPD78F1146AGB-GAH-AX meets industry standards.
7.What is the process for return or replacement of UPD78F1146AGB-GAH-AX?
All UPD78F1146AGB-GAH-AX units undergo pre-shipment inspection (PSI). If there is an issue with UPD78F1146AGB-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 UPD78F1146AGB-GAH-AX part is unused and in its original packaging.
Return procedure for UPD78F1146AGB-GAH-AX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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