NHD-0420DZW-AY5 Newhaven Display, NHD-0420DZW-AY5 Datasheet - Page 9

• Manufacturer Part Number: NHD-0420DZW-AY5
• Description: DISPLAY OLED CHAR 4X20 YLW
• Manufacturer: Newhaven Display

Specifications of NHD-0420DZW-AY5

• Viewing Area (w X H): 77 mm x 25.2 mm
• Operating Voltage: 5 V
• Operating Current: 43 mA
• Maximum Operating Temperature: + 80 C
• Minimum Operating Temperature: - 40 C
• Illumination Color: Yellow
• Viewing Angle: 80 deg
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Display ON/OFF
D = Display ON/OFF
When D = “1”, the display is turned ON. When D = “0”, the display is turned OFF. Contents in DDRAM are not changed.
C = Cursor ON/OFF
When C = “1”, the cursor is displayed. The cursor is displayed as 5 dots on the 8
cursor is OFF.
B = Blinking Cursor
When B = “1”, the entire character specified by the cursor blinks at a speed of 409.6ms intervals. When B = “0”, the
character does not blink, the cursor remains on.
Cursor/Display Shift
When the display is shifted repeatedly, each line moves only horizontally. The second line display does not shift into the
first line.
The Address Counter does not change during a Display Shift.
Function Set
DL = Interface Data Length
When DL = “1”, the data is sent or received in 8‐bit length via DB7..DB0.
When DL = “0”, the data is sent or received in 4‐bit length via DB7..DB4. When the 4‐bit data length is used, the data
must be sent or received in two consecutive writes/reads to combine the data into full 8‐bits.
FT1, FT0 = Font Table Selection
Note: Changing the font table during operation will immediately change any data currently on the display to the
corresponding character on the newly selected font table.
RS
RS
RS
0
0
0
R/W
R/W
R/W
0
0
0
DB7
DB7
DB7
FT1
S/C
0
0
0
0
0
1
1
0
0
1
1
DB6
DB6
DB6
FT0
R/L
0
0
0
0
1
0
1
0
1
0
1
Shift Function
Shifts the cursor position to the left (AC is decremented by 1).
Shifts the cursor position to the right (AC is incremented by 1).
Shifts the entire display to the left. The cursor follows the display shift.
Shifts the entire display to the right. The cursor follows the display shift.
Font Table
English / Japanese
Western European #1
English / Russian
Western European #2
DB5
DB5
DB5
0
0
1
DB4
DB4
DB4
DL
0
1
DB3
DB3
DB3
S/C
1
1
DB2
DB2
DB2
R/L
D
0
[9]
DB1
DB1
DB1
FT1
C
0
DB0
DB0
DB0
FT0
B
0
th
line of a character. When C = “0”, the