Engineering Change Notification - NHD-C0220BA-FSW-FTW: 06/27/25
This notice on June 27th, is to inform you of the change to the following COG LCD: NHD-C0220BA-FSW-FTW.
This display has been redesigned to add support for 4-wire SPI interface. To accommodate this added functionality, the display pin count has changed from 15 to 18. The additional three pins are for Chip Select and Interface Select signals required to use SPI. Please refer to the pinout differences below and review the new pinout in the updated datasheet for the new design.
Pin # | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Rev1A | /RST | RS | R/W | E | DB0 | DB1 | DB2 | DB3 | DB4 | DB5 | DB6 | DB7 | Vss | VDD | V0 | - | - | - |
Rev1B | /RST | RS | CSB | R/W | E | DB0 | DB1 | DB2 | DB3 | DB4 | DB5 | DB6 | DB7 | Vss | VDD | PSB | PS12B | V0 |
The new displays will be labeled with a different revision control number after the part number. See example below.
OLD Design |
NEW Design |
We understand that every customer’s application is unique, and therefore recommend you test and validate samples of the updated design. Samples may be purchased by contacting us at nhsales@newhavendisplay.com. When ordering samples, please specify that you would like to receive the new version.