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WH4004A-YGH-CP Schematic ( PDF Datasheet ) - Winstar

Teilenummer WH4004A-YGH-CP
Beschreibung Display Module
Hersteller Winstar
Logo Winstar Logo 




Gesamt 19 Seiten
WH4004A-YGH-CP Datasheet, Funktion
Winstar Display Co., LTD
: 407
163
No.163 Chung Ching RD.,
Taichune, Taiwan, R.O.C
WEB: http://www.winstar.com.tw
Tel:886-4-24262208 Fax 886-4-24262207
SPECIFICATION
CUSTOMER :
MODULE NO.:
WH4004A-YGH-CP
APPROVED BY:
( FOR CUSTOMER USE ONLY )
SALES BY
APPROVED BY
CHECKED BY
PREPARED BY
ISSUED DATE:
Contents
1.Module Classification Information
2.Precautions in use of LCD Modules
1 19






WH4004A-YGH-CP Datasheet, Funktion
7.Interface Pin Function
Pin No. Symbol
1 DB7
2 DB6
3 DB5
4 DB4
5 DB3
6 DB2
7 DB1
8 DB0
9 E1
10 R/W
11 RS
12 VO
13 VSS
14 VDD
15 E2
16 NC/Vee
Level
Description
H/L Data bit 7
H/L Data bit 6
H/L Data bit 5
H/L Data bit 4
H/L Data bit 3
H/L Data bit 2
H/L Data bit 1
H/L
H,HL
H/L
Data bit 0
Chip enable signal
H: Read(MPUModule) L: Write(MPUModule)
H/L H: DATA, L: Instruction code
(Variable) Operating voltage for LCD
0V Ground
5.0V Supply Voltage for logic
H,HL Chip enable signal
8.Contour Drawing &Block Diagram
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6 Page









WH4004A-YGH-CP pdf, datenblatt
11.Instruction Table
Instruction
Instruction Code
RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
Description
Execution time
(fosc=270Khz)
Clear Display 0
Return Home 0
Entry Mode
Set
Display
ON/OFF
Control
0
0
Cursor or
0
Display Shift
Function Set 0
Set CGRAM
Address
Set DDRAM
Address
0
0
Read Busy
Flag and
Address
0
Write Data to
RAM
Read Data
from RAM
1
1
0 0 0 0 0 0 0 0 1 Write “00H” to DDRAM and set
DDRAM address to “00H” from AC
00000001
Set DDRAM address to “00H” from AC
and return cursor to its original position
if shifted. The contents of DDRAM are
not changed.
0 0 0 0 0 0 1 I/D SH Assign cursor moving direction and
enable the shift of entire display.
0 0 0 0 0 1 D C B Set display (D), cursor (C), and blinking
of cursor (B) on/off control bit.
0 0 0 0 1 S/C R/L
0 0 0 1 DL N F
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:5×11
dots/5×8 dots)
0 0 1 AC5 AC4 AC3 AC2 AC1 AC0 Set CGRAM address in address counter.
0 1 AC6 AC5 AC4 AC3 AC2 AC1 AC0 Set DDRAM address in address counter.
Whether during internal operation or not
1 BF AC6 AC5 AC4 AC3 AC2 AC1 AC0 can be known by reading BF. The
contents of address counter can also be
read.
0 D7 D6 D5 D4 D3 D2 D1 D0 Write data into internal RAM
(DDRAM/CGRAM).
1 D7 D6 D5 D4 D3 D2 D1 D0 Read data from internal RAM
(DDRAM/CGRAM).
1.53ms
1.53ms
39μs
39μs
39μs
39μs
39μs
39μs
0μs
43μs
43μs
” ” don’t care
12 19

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