lm2029ecw Topway Display, lm2029ecw Datasheet - Page 4

• Manufacturer Part Number: lm2029ecw
• Description: Lcd Module User Manual
• Manufacturer: Topway Display

1.4
Note:
*1. If there is no read write activity, /WAIT will be in HZ state.
URL:
Pin
No.
16
17
18
19
20
1
2
3
4
5
6
7
8
9
:
www.topwaydisplay.com
www.topwaysz.com
Terminal Functions
Name
/WAIT
VOUT
/RES
VDD
VSS
/WR
DB0
DB7
BLA
BLK
/RD
/CS
Pin
V0
A0
:
Output
Power
Power
Power
Power
Power
Input
Input
Input
Input
Input
Input
I/O
I/O
0V Power Supply, GND
Positive Power Supply
LCD Contrast Reference Input
Write enable input, active LOW
Read enable input, active LOW
Chip Select Signal
/CS=LOW: Data IO is enabled
Data Type Select
Reset Signal:
8-bit bi-directional data bus
Wait signal (*1)
Power Booster Output for V0
Positive Power Supply for LED backlight
Negative Power Supply for LED backlight
/RES = L, Reset the LCD Module
/RES = H, Normal Running
LCD Module User Manual
A0=H: command write, display data or cursor add read
A0=L: status flag read, display data or parameter write
Descriptions
Document Name: LM2029ECW-Manual-Rev0.1.doc
LM2029ECW
Page: 4 of 11