NHD-0420DZW-AY5 Newhaven Display, NHD-0420DZW-AY5 Datasheet - Page 8

• 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

Clear Display
This instruction is used to clear the display by writing 0x20 in all DDRAM addresses. This instruction does not change the
DDRAM Address.
Return Home
This instruction is used to set the DDRAM Address to 0x00 and shifts the display back to the original state. The cursor (if
on) will be at the first line’s left‐most character. The DDRAM contents on the display do not change.
Entry Mode Set
I/D = Increment/Decrement
When I/D = “1”, the DDRAM or CGRAM Address with automatically increment when a character code is written into or
read from the DDRAM or CGRAM. The auto‐increment will move the cursor one character space to the right.
When I/D = “0”, the DDRAM or CGRAM Address with automatically decrement when a character code is written into or
read from the DDRAM or CGRAM. The auto‐decrement will move the cursor one character space to the left.
S = Shift Entire Display
When S = “1”, the entire display is shifted to the right (when I/D = “0”) or left (when I/D = “1”).
I/D=1, S=1
I/D=0, S=1
RS
RS
RS
0
0
0
R/W
R/W
R/W
0
0
0
DB7
DB7
DB7
0
0
0
DB6
DB6
DB6
0
0
0
DB5
DB5
DB5
0
0
0
DB4
DB4
DB4
0
0
0
DB3
DB3
DB3
0
0
0
DB2
DB2
DB2
0
0
1
[8]
DB1
DB1
DB1
I/D
0
1
DB0
DB0
DB0
1
0
S