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Renesas UPD78F0354YF1-DA3-A
- Part No.:
- UPD78F0354YF1-DA3-A
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- -
- Datasheet:
-
UPD78F0354YF1-DA3-A.pdf
- Description:
- 8-BIT, FLASH, UPD78K0 CPU
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Inventory:192
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Product details
Overview
UPD78F0354YF1-DA3-A from Renesas Electronics is an 8-bit single-chip microcontroller in the 78K/0 Series, featuring 128 KB on-chip flash memory, 8 KB RAM, and integrated LCD controller/driver supporting up to 4-time-division static/dynamic display. It operates at up to 20 MHz with supply voltage range of 2.2 V to 5.5 V and includes 16-bit timer/event counters, A/D converter with 8 channels, UART, I²C, and PPG peripherals. It targets embedded control in industrial HMI and appliance displays.
For engineers reviewing the UPD78F0354YF1-DA3-A datasheet, UPD78F0354YF1-DA3-A pinout, UPD78F0354YF1-DA3-A application, or UPD78F0354YF1-DA3-A equivalent, key selection considerations include its 113-pin FBGA package, AVDD-referenced 10-bit A/D converter (2.2–5.5 V), integrated LCD bias generation (VLC0–VLC2), and HALT mode with subclock ×4 support - all confirmed for this exact variant in Renesas User's Manual U15798EJ2V1UD.
Technical Context
This MCU implements the 78K/0 CPU core with 16-bit addressing, supporting short direct, based, and stack addressing modes. Its internal architecture integrates a 16-bit timer/event counter 0 with PPG output capability, dual UART channels (UART0 and UART1), and an I²C interface compliant with standard-mode (100 kbps) and fast-mode (400 kbps) protocols.
The device includes a dedicated LCD controller/driver with programmable frame frequency, gain adjustment (VLCG0 register), and static/dynamic display switching (SDSEL3 registers), enabling direct drive of segment-based displays without external bias circuitry. Its A/D converter uses a boost reference voltage generator and supports sample-and-hold operation with input impedance specification for ANI0–ANI7 pins.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | 78K/0 8-bit CISC core with 16-bit addressing and 131 instructions |
| Flash Memory | 128 KB on-chip flash with ROM correction capability and 100k write/erase cycles |
| RAM | 8 KB on-chip RAM including 256-byte high-speed RAM and expansion RAM |
| A/D Converter | 10-bit resolution, 8-channel single-ended input, AVDD-referenced (2.2–5.5 V), boost reference generator enabled |
| LCD Driver | Integrated controller supporting static, 2-, 3-, and 4-time-division displays; generates VLC0/VLC1/VLC2 bias voltages |
| Operating Voltage | 2.2 V to 5.5 V (AVDD), compatible with battery-powered and industrial 3.3 V/5 V systems |
| Max Clock Frequency | 20 MHz main system clock; subclock ×4 option for HALT mode release (µPD78F0354/78F0354Y only) |
| Package | 113-pin plastic FBGA (Fine-Pitch Ball Grid Array), 10 mm × 10 mm, 0.8 mm pitch |
Pinout & Package
UPD78F0354YF1-DA3-A is housed in a 113-pin plastic FBGA package (0.8 mm ball pitch, 10 mm × 10 mm body), optimized for compact HMI and display-integrated applications. Pin functions are defined per Renesas User's Manual U15798EJ2V1UD, with dedicated LCD segment/common drivers, analog inputs (ANI0–ANI7), and dual serial interfaces.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD1, VDD2, VDD3 | Power supply (digital) | Three independent 2.2–5.5 V digital supply pins for noise isolation across functional blocks |
| AVDD | Analog power supply | Single 2.2–5.5 V supply for A/D converter and analog circuitry; decoupling required per Figure 12-16 |
| ANI0–ANI7 | Analog input channels | Eight single-ended inputs with specified input impedance; used with internal sample-and-hold and boost reference generator |
| VLC0, VLC1, VLC2 | LCD bias voltage outputs | Programmable LCD segment/common driver outputs supporting static and multiplexed displays up to 4-time-division |
| P10–P17, P20–P27, etc. | General-purpose I/O ports | Multi-function ports configurable as CMOS inputs/outputs, with pull-up options and interrupt capability on P1/P4 |
| XT1, XT2 | Crystal oscillator terminals | Supports 1–10 MHz crystal for main system clock; subclock input (32.768 kHz) available for RTC and HALT mode |
| RESET | Active-low reset input | Asynchronous reset pin requiring external pull-up; initiates hardware reset sequence per Section 20.2.1 |
Key Features
| Feature | Design Value |
|---|---|
| Integrated LCD controller/driver | Eliminates external bias IC and timing logic; supports up to 4-time-division with programmable frame frequency and gain |
| AVDD-referenced A/D converter | Enables accurate 10-bit conversion across full 2.2–5.5 V supply range without external reference |
| Subclock ×4 HALT mode release | Allows low-power sleep with precise wake-up timing using 32.768 kHz crystal multiplied internally |
| Dual UART + I²C + PPG | Provides flexible communication: UART0/UART1 for host/debug, I²C for sensor/EEPROM, PPG for PWM motor control or LED dimming |
| On-chip 128 KB flash with ROM correction | Supports field firmware updates and error correction without external programming hardware |
| 113-pin FBGA package | Enables high I/O density (≥80 GPIO) and compact PCB layout for space-constrained display modules |
Applications
| Industrial Panel Meters | Home Appliance Control Panels |
|---|---|
Use Scenario: Digital panel meter with 4-digit LCD readout, analog sensor inputs (temperature, pressure), and local keypad interface. IC Role / Device Role / Timing Role: UPD78F0354YF1-DA3-A serves as main controller: reads ANI0–ANI7, drives 4-time-division LCD via VLC0–VLC2, processes keypad scan, and manages UART diagnostics. Use Value: Integrated LCD driver and AVDD-referenced A/D eliminate 3 external ICs; 128 KB flash enables future feature expansion without hardware change. | Use Scenario: Microwave oven control board requiring real-time cooking time tracking, button feedback, and segmented LCD display with backlight dimming. IC Role / Device Role / Timing Role: UPD78F0354YF1-DA3-A executes real-time control loop, drives static LCD segments, generates PWM via PPG for backlight, and monitors door switch via P10–P17. Use Value: Subclock ×4 HALT mode reduces standby current to <1 µA while maintaining accurate RTC wake-up; on-chip RAM avoids external SRAM. |
| POS Terminal Keypads | Medical Device Status Displays |
Use Scenario: Point-of-sale terminal with membrane keypad, 2-line character LCD, and RS-232 connectivity to host PC. IC Role / Device Role / Timing Role: UPD78F0354YF1-DA3-A handles keypad matrix scanning, drives 2-line LCD using static mode, and communicates via UART0 with level-shifter to RS-232 transceiver. Use Value: Dual UART allows simultaneous debug (UART1) and host comms (UART0); 8 KB RAM buffers transaction logs locally before upload. | Use Scenario: Non-life-support medical infusion pump displaying flow rate, volume delivered, and alarm status on monochrome LCD. IC Role / Device Role / Timing Role: UPD78F0354YF1-DA3-A monitors flow sensor (ANI2), drives 3-time-division LCD, logs events to flash, and triggers audible alarm via PPG-generated tone. Use Value: Built-in A/D converter with boost reference ensures stable measurement accuracy across battery voltage drop (2.2–5.5 V); flash ROM correction maintains firmware integrity over 10-year service life. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller with integrated LCD driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100PLAFB | RL78/G13 core, 32 KB flash, 4 KB RAM, 64-pin LQFP; no integrated LCD bias generation | Requires external LCD bias IC; lower memory and I/O count; supports RL78 toolchain and low-power SNOOZE mode | Select when migrating to newer RL78 platform with toolchain continuity and lower active power, but accept added BOM cost for LCD bias |
| UPD78F0532GK-GAJ-AX | Same 78K/0 family, 96 KB flash, 6 KB RAM, 100-pin TQFP; lacks subclock ×4 HALT mode and VLC0–VLC2 outputs | Cannot drive LCD without external bias; smaller package footprint but no native LCD integration; suitable for non-display control tasks | Select when LCD functionality is unnecessary and TQFP assembly is preferred over FBGA; retains same instruction set and peripheral register map |
Compared with UPD78F0354YF1-DA3-A, R5F100PLAFB offers modern low-power architecture but adds external components for LCD, while UPD78F0354YF1-DA3-A delivers complete display subsystem integration in one chip - critical for minimizing layer count and EMI in compact HMI designs.
Availability
UPD78F0354YF1-DA3-A is available at Aetrix Electronics and suitable for industrial panel meters, home appliance control panels, POS terminal keypads, and medical device status displays requiring stable component supply and long-term lifecycle support.
Supply support for UPD78F0354YF1-DA3-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 formed in 2010 through merger of NEC Electronics and Renesas Technology, specializing in microcontrollers, analog, and power solutions for industrial, automotive, and IoT markets.
The 78K/0 Series - including UPD78F0354YF1-DA3-A - was designed for cost-sensitive, display-integrated embedded control applications requiring high peripheral integration, robust flash reliability, and long-lifecycle availability in industrial and consumer equipment.
FAQ
What is the maximum operating frequency of the UPD78F0354YF1-DA3-A?
The UPD78F0354YF1-DA3-A supports a maximum main system clock frequency of 20 MHz, achievable using an external crystal (1–10 MHz) with internal PLL multiplication. This is confirmed in Chapter 12 of Renesas User's Manual U15798EJ2V1UD, which specifies timing requirements for CPU execution, A/D conversion, and PPG operation at 20 MHz. The device also supports subclock ×4 mode for HALT mode release using a 32.768 kHz crystal.
Does the UPD78F0354YF1-DA3-A include an integrated LCD bias generator?
Yes, the UPD78F0354YF1-DA3-A integrates a full LCD controller/driver with three programmable bias voltage outputs (VLC0, VLC1, VLC2) supporting static and 2-/3-/4-time-division displays. As documented in Sections 18.1–18.8 of Renesas User's Manual U15798EJ2V1UD, these pins generate internal LCD drive voltages without external components, and their gain and frame frequency are software-configurable via VLCG0 and SDSEL3 registers.
What is the A/D converter reference voltage source for the UPD78F0354YF1-DA3-A?
The A/D converter in the UPD78F0354YF1-DA3-A uses AVDD as its reference voltage, supporting operation from 2.2 V to 5.5 V. It incorporates a boost reference voltage generator to ensure stable conversion accuracy across the full supply range, as detailed in Section 12.2 and Figure 12-3 of Renesas User's Manual U15798EJ2V1UD. Input impedance for ANI0–ANI7 pins is explicitly specified in Section 12.6(6).
Is the UPD78F0354YF1-DA3-A pin-compatible with other members of the 78K/0 Subseries?
No - the UPD78F0354YF1-DA3-A uses a 113-pin plastic FBGA package, whereas most other 78K/0 Subseries devices (e.g., µPD780344, µPD780353) use QFP or smaller FBGA variants. Pin mapping differs significantly due to expanded I/O count and dedicated VLC outputs. Renesas does not list it as pin-compatible with any alternate part; migration requires PCB redesign and signal reassignment per the 113-pin FBGA pinout in Chapter 27 of U15798EJ2V1UD.
What debugging tools are officially supported for the UPD78F0354YF1-DA3-A?
Renesas officially supports the NP-113F1-DA3 emulation probe and conversion sockets LSPACK113A1110N01 and CSSOCKET113A1110N01 for the UPD78F0354YF1-DA3-A, as listed in Appendix A.5 of User's Manual U15798EJ2V1UD. These tools enable in-circuit debugging via the 3-wire serial I/O (SIO3) or UART0 interface, with wiring examples provided in Figures 23-10 through 23-14.
UPD78F0354YF1-DA3-A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- -
- Series:
- *
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- -
- Core Size:
- -
- Speed:
- -
- Connectivity:
- -
- Peripherals:
- -
- Number of I/O:
- -
- Program Memory Size:
- -
- Program Memory Type:
- -
- EEPROM Size:
- -
- RAM Size:
- -
- Voltage - Supply (Vcc/Vdd):
- -
- Data Converters:
- -
- Oscillator Type:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
UPD78F0354YF1-DA3-A FAQ
1.How can I place an order for UPD78F0354YF1-DA3-A through Aetrix?
Please submit a Request for Quotation (RFQ) for UPD78F0354YF1-DA3-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 UPD78F0354YF1-DA3-A reliable?
The price and inventory of UPD78F0354YF1-DA3-A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPD78F0354YF1-DA3-A is usually 5 days.
3.What payment methods are accepted for UPD78F0354YF1-DA3-A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPD78F0354YF1-DA3-A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPD78F0354YF1-DA3-A?
UPD78F0354YF1-DA3-A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPD78F0354YF1-DA3-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 UPD78F0354YF1-DA3-A?
For technical support, including UPD78F0354YF1-DA3-A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPD78F0354YF1-DA3-A requirements.
6.How does Aetrix verify that UPD78F0354YF1-DA3-A is sourced from the original manufacturer or authorized distributors?
All UPD78F0354YF1-DA3-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 UPD78F0354YF1-DA3-A meets industry standards.
7.What is the process for return or replacement of UPD78F0354YF1-DA3-A?
All UPD78F0354YF1-DA3-A units undergo pre-shipment inspection (PSI). If there is an issue with UPD78F0354YF1-DA3-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 UPD78F0354YF1-DA3-A part is unused and in its original packaging.
Return procedure for UPD78F0354YF1-DA3-A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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