lm6023b Topway Display, lm6023b Datasheet - Page 4

• Manufacturer Part Number: lm6023b
• Description: Lcd Module User Manual
• Manufacturer: Topway Display

1.4
URL:
Pin No.
11–18
10
19
20
1
2
3
4
5
6
7
8
9
www.topwaydisplay.com
www.topwaysz.com
Terminal Functions
/WR(R/W)
(SI),(SCL)
D0 –D7
/RD(E)
Name
/RES
/CS1
VDD
VSS
CS2
C86
P/S
Pin
A0
A
K
Supply 0V Supply, Ground (0V)
Supply Positive Power Supply
Supply Backlight positive Supply
Supply Backlight negative Supply
Input
Input
Input
Input
Input
Input
Input
I/O
I/O
Descriptions
Reset signal pin
/RES=LOW: Initialization is executed
/RES=HIGH: Normal
Serial / Parallel interface select pin.
In serial interface mode:
Chip Select inputs
Microprocessor interface select pin.
Control / Display data flag input.
In 8080 interface mode:
In 6800 interface mode:
In 8080 interface mode: Read enable input, active LOW
In 6800 interface mode: Enable Clock Signal, active HIGH
8-bit bi-directional data bus
In parallel interface mode: 8-bit data I/O
In serial interface mode: D7=SI(Serial data input), D6=SCL(Serial clock input)
LCD Module User Manual
HIGH
LOW
P/S
P/S=HIGH: Parallel interface selected
P/S=LOW: Serial interface selected
-
-
-
/CS1=LOW, CS2=HIGH: Data IO is enabled
/CS1=HIGH, CS2=LOW: Data IO is disabled, D0 - D7 will be “HZ”
C86=HIGH: 6800 series microprocessor interface
C86=LOW: 8080 series microprocessor interface
A0=HIGH: data on D0 to D7 is display data
A0=LOW: data on D0 to D7 is control data
Write enable input, active LOW
R/W=HIGH: Read mode selected
R/W=LOW: Write mode selected
no data can be read from RAM
D0 to D5 are HZ
/RD and /WR must be fixed HIGH or LOW
/CS1, CS2
/CS1, CS2
Select
Chip
Command
Data /
A0
A0
Document Name: LM6023B-Manual-Rev0.2.DOC
SI (D7)
D0-D7
Data
Read / Write
Write only
/RD, /WR
SCL (D6)
Serial
Clock
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LM6023B
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