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Home > BC-VFD: BC-VFD vs CU-U
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Controller built-in to display
Low cost alternative to
CU-U VFD modules
DS1625M
DS2025R
DS2045G
Low cost alternative to
CU-U VFD module
- Reliability of CU-U Series HD44780 compatible controller.
- Embed directly into your design
- 3 wires for synchronous serial interface
- Faster display response time and refresh rate
- Long term support
16x2 character display
- Fits in 1U rack (1" height)
- Better readability than LCD
- Embed directly into your design
- SPI (3 wires)
- Faster display response time and refresh rate
- Long term support
More on DS1625M ►
20x2 character display
- Fits in 1U rack (1" height)
- Better readability than LCD
- Embed directly into your design
- SPI (3 wires)
- Faster display response time and refresh rate
- Long term support
More on DS2025R ►
20x4 character display
- Better readability than LCD
- Embed directly into your design
- SPI (3 wires)
- Faster display response time and refresh rate
- Long term support
More on DS2045G ►
BC-VFD vs CU-U, What's the difference?
Back to BC-VFD overview ►
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BC-VFD |
CU-U |
| [1] If the electrical characteristics conditions listed in the specification are not met, the
internal reset circuit will not operate normally and will fail to initialize the BC-VFD. |
| Available character format |
16x2
20x2
20x4
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16x2
20x2
20x4
24x2
40x2
40x4
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| HD44780 compatible instructions |
| Clear display |
◯ |
◯ |
| Cursor Home |
◯ |
◯ |
| Entry Mode Setting |
◯ |
◯ |
| Display ON/OFF |
◯ |
◯ |
| Cursor or Display Shift |
◯ |
◯ |
| Function Set |
◯ |
◯ |
| CG RAM Address Setting |
◯ |
◯ |
| DD RAM Address Setting |
◯ |
◯ |
| Read Busy Flag & Address |
◯ |
◯ |
| Write Data to CGRAM or DDRAM |
◯ |
◯ |
| Read Data from CG RAM or DD RAM |
◯ |
◯ |
| Additional instructions |
| Selectable font tables |
English / Japanese
European font table
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X |
| Brightness Control |
16 levels |
8 levels |
| Initialization |
| Requires HD44780 Initialization? |
X [1] |
◯ |
| Initialize with HD44780 Initialization? |
◯ |
◯ |
| Initialization by instruction |
Power ON
Wait for power stabilization ≥ 1ms
Display ON
Initialization End
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Power ON
Wait for power stabilization ≥ 15ms
Function Set
Wait
Function Set
Wait
Function Set
Wait
Function Set
Display OFF
Display Clear
Entry mode set
Display ON
Initialization End
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| Interface |
| Available interface(s) |
Serial |
Serial
Parallel
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| Serial interface |
SPI (3 wires) |
SPI (3 wires) |
| Electrical characteristic |
| Power supply |
Logic (5V)
Filament (36V)
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Logic (5V) |
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