A : While most of these displays are 5V devices, some may tolerate 3.3V logic levels, but they may be unreliable. Use a level shifter for consistent operation.
It is critical to note that the markings found on the PCB do not refer to a specific, unique model number. Instead, they represent a flammability rating (UL 94V-0) and the manufacturer code (Phico). For precise engineering needs, identifying the exact model (e.g., DV-16100) is key.
Most character-based PHICO modules integrate a Hitachi HD44780-compatible dot-matrix LCD controller or an equivalent Sitronix/Samsung driver IC. This ensures universal compatibility with modern microcontroller architectures, allowing engineers to drop these legacy modules into modern hardware designs using standard code libraries. Interface Pinout Configurations
General specifications for common modules in this series (like the DV-16100) include: Operating Voltage ( cap V sub d d end-sub Operating Current: Operating Temperature: (Standard) or up to (Extended). Built-in Controller: phico d0 94v0 lcd display datasheet pdf
To save microcontroller pins, it is highly recommended to wire the module using . This mode ignores data lines DB0 through DB3, requiring only 4 data lines instead of 8. Hardware Wiring Diagram PHICO Pin 1 ( VSScap V sub cap S cap S end-sub →right arrow Arduino GND PHICO Pin 2 ( VDDcap V sub cap D cap D end-sub →right arrow Arduino 5V PHICO Pin 3 ( VOcap V sub cap O →right arrow Center pin of 10k Potentiometer PHICO Pin 4 (RS) →right arrow Arduino Digital Pin 12 PHICO Pin 5 (R/W) →right arrow Arduino GND (Forces the screen into constant "Write" mode) PHICO Pin 6 (E) →right arrow Arduino Digital Pin 11 PHICO Pin 11 (DB4) →right arrow Arduino Digital Pin 5 PHICO Pin 12 (DB5) →right arrow Arduino Digital Pin 4 PHICO Pin 13 (DB6) →right arrow Arduino Digital Pin 3 PHICO Pin 14 (DB7) →right arrow Arduino Digital Pin 2 PHICO Pin 15 (LED+) →right arrow Connect through a 220 Ωcap omega resistor to Arduino 5V PHICO Pin 16 (LED-) →right arrow Arduino GND Sample Initialization Code
Contrast control (typically tied to a 10k-ohm potentiometer).
Smaller variations found in compact industrial equipment. The Underlying Controller: HD44780 A : While most of these displays are
When connecting a legacy PHICO board to a modern microcontroller like an Arduino, ESP32, or Raspberry Pi, pay strict attention to logic levels and current constraints: Supply Voltage ( VDDcap V sub cap D cap D end-sub
The manufacturer of the display assembly or the PCB substrate.
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Instead, they represent a flammability rating (UL 94V-0)
If you do find the PDF, these are the critical values you MUST check. They differ slightly between manufacturers.
If you have wired your PHICO D0 94V0 module and it is not behaving correctly, evaluate it against these common vintage hardware failure modes:
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