NHD-0220GZ-FL-GBW Newhaven Display, NHD-0220GZ-FL-GBW Datasheet - Page 9

• Manufacturer Part Number: NHD-0220GZ-FL-GBW
• Description: LCD MOD CHAR 2X20 Y/G TRANSFL
• Manufacturer: Newhaven Display
• Series: NHD-0220GZ-Fr

Specifications of NHD-0220GZ-FL-GBW

• Display Type: STN - Super-Twisted Nematic
• Display Mode: Transflective
• Number Of Digits/alpha: 40
• Outline L X W X H: 80.00mm x 36.00mm x 13.50mm
• Viewing Area: 64.50mm L x 16.40mm W
• Backlight: LED - Yellow/Green
• Display Format: 20 x 2
• Character Size: 4.62mm H x 2.49mm W
• Character Format: 5 x 8 Dots
• Voltage - Supply: 5.0V
• Dot Size: 0.46mm W x 0.53mm H
• Operating Temperature: -20°C ~ 70°C
• Character Count X Line: 20 x 2
• Module Size (w X H X T): 80 mm x 36 mm x 13.5 mm
• Fluid Type: STN
• Background Color: Gray
• Voltage Rating: 5 V
• Operating Temperature Range: - 20 C to + 70 C
• Backlight Type: LED Yellow-Green
• Interface: Parallel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

Clear
Display
Return
Home
Entry mode
Set
Display ON/
OFF control
Cursor or
Display shift
Function
set
Set
CGRAM
Address
Set
DDRAM
Address
Flag and
Address
Write
to
Address
Read data
From RAM
Instruction
11.Instruction description
11.1Outline
To overcome the speed difference between the internal clock of KS0066U and the MPU clock, KS0066U
performs internal operations by storing control in formations to IR or DR. The internal operation is determined
according to the signal from MPU, composed of read/write and data bus (Refer to Table7).
Instructions can be divided largely into four groups:
The address of the internal RAM is automatically increased or decreased by 1.
Note: during internal operation, busy flag (DB7) is read “High”.
11.2 Instruction Table
NOTE:
necessary for executing the next instruction by the falling edge of the “E” signal after the busy flag (DB7) goes
to “Low”.
Read busy
When an MPU program with checking the busy flag (DB7) is made, it must be necessary 1/2fosc is
1)
2)
3)
4)
Busy flag check must be preceded by the next instruction.
data
KS0066U function set instructions (set display methods, set data length, etc.)
Address set instructions to internal RAM
Data transfer instructions with internal RAM
Others
RS
0
0
0
0
0
0
0
0
0
1
1
R/W DB7 DB6
0
0
0
0
0
0
0
0
1
0
1
BF AC6 AC5 AC4 AC3 AC2 AC1 AC0
D7
D7
0
0
0
0
0
0
0
1
AC6 AC5 AC4 AC3 AC2 AC1 AC0
D6
D6
Instruction code
0
0
0
0
0
0
1
AC5 AC4 AC3 AC2 AC1 AC0
DB
5
D5
D5
0
0
0
0
0
1
DB4 DB3 DB2
DL
D4
D4
0
0
0
0
1
9
D3
D3
S/C R/L
N
0
0
0
1
D2
D2
D
0
0
1
F
DB
1
I/D
D1
D1
C
0
1
-
-
DB0
SH
D0
D0
B
1
-
-
-
Write “20H” to DDRA and set
DDRAM address to “00H” from
AC
Set DDRAM address to “00H”
From AC and return cursor to
Its original position if shifted.
The contents of DDRAM are
not changed.
Assign cursor moving direction
And blinking of entire display
Set display (D), cursor (C), and
Blinking of cursor (B) on/off
Control bit.
Set cursor moving and display
Shift control bit, and the
Direction, without changing of
DDRAM data.
Set interface data length (DL:
8-
Bit/4-bit), numbers of display
Line (N: =2-line/1-line) and,
Display font type (F: 5x11/5x8)
Set
address
Counter.
Set
address
Counter.
Whether during internal
Operation or not can be known
By reading BF. The contents of
Address counter can also be
read.
Write data into internal RAM
(DDRAM/CGRAM).
Read data from internal RAM
(DDRAM/CGRAM).
CGRAM
DDRAM
Description
address
address
in
in
time (fosc=
Execution
270 KHZ
1.53ms
1.53ms
39us
39us
39us
39us
39us
43us
43us
0us