Displaytech Ltd
LCD MODULE
32160A SERIES Version : 1.1
P 1 of 18
PRODUCT SPECIFICATIONS
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PHYSICAL DATA
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EXTERNAL DIMENSIONS
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BLOCK DIAGRAM
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ABSOLUTE MAXIMUM RATINGS
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ELECTRICAL CHARACTERISTICS
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OPERATING PRINCIPLES
&
METHODS
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DISPLAY DATA RAM ADDRESS MAP
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ELECTRO-OPTICAL CHARACTERISTICS
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INTERFACE PIN CONNECTIONS
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CIRCUIT DIAGRAM
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RELIABILITY
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QUALITY GUARANTEE
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INSPECTION CRITERIA
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PRECAUTIONS FOR USING LCD MODULES
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USING LCD MODULES
Displaytech Ltd
Parameter
Supply voltage for logic
Supply voltage for LCD
Input voltage
Normal operating temperature
Normal storage temperature
Wide operating / storage
temperature (except FSTN)
Wide operating / storage
temperature (FSTN)
LCD MODULE
32160A SERIES Version : 1.1
P 3 of 18
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ABSOLUTE MAXIMUM RATINGS
( Ta = 25°C )
Symbol
VDD
VLCD
VI
TOP
TST
TOP / TST
TOP / TST
Min
0
0
0
0
-10
-30
-30
Max
6.7
10
VDD
50
60
80
70
Unit
V
V
V
°C
°C
°C
°C
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ELECTRICAL CHARACTERISTICS
( VDD = +3V±10% , VSS = 0V, Ta = 25°C )
u
DC Characteristics
Parameter
Supply voltage for logic
Supply current for logic
Operating voltage for LCD
Input voltage ' H ' level
Input voltage ' L ' level
Symbol
VDD
IDD
VDD - VO
VIH
VIL
Condition
---
---
25°C
---
---
Min
2.7
---
8.2
0.8VDD
0
Typ
3.0
0.3
9.0
---
---
Max
4.5
1
9.8
VDD
0.2VDD
Unit
V
mA
V
V
V
l
Backlight operating information (Ta = 25°C )
Supply voltage VF (V)
LED Backlight
Min
Typ
Max
Light box Y/G (-2)
---
4.2
4.6
EL Enable voltage EON (VAC)
EL Backlight
Min
Typ
Max
EL (B)
---
100
150
Supply current IF (mA)
Min
Typ
Max
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280
420
EL frequency LF (Hz)
Min
Typ
Max
---
400
1000
Displaytech Ltd
LCD MODULE
32160A SERIES Version : 1.1
P 5 of 18
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OPERATING PRINCIPLES
&
METHODS
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Control and Display Command
Command
R/W
A0
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
Function
Display
ON/OFF
Display
Start Line
Page
Address Set
Column
Address Set
Status Read
0
0
1
0
0
0
0
1
0
0
0
0
1
1
0
B
U
S
Y
1
0
A
D
C
Write
Display
Data
Read
Display
Data
ADC Select
0
1
1
1
0
0
1
0
Static Drive
ON/OFF
0
0
1
0
Duty Select
Read
Modify
Write
End
Reset
0
0
0
0
1
1
0
1
0/1 Switches the entire display ON or OFF, regardless
of the display RAM’s data or the internal status.
1 : ON , 0 : OFF
*1
0
Display Start Address Determines the line of RAM data to be displayed at
( 0 ~ 31 )
the display’s top line ( COM0 ).
1
1
1
0
Page Sets the page of the Display RAM in the Page
( 0 ~ 3 ) Address register.
Column Address
Sets the column of the Display RAM in the Column
( 0 ~ 79 )
Address register.
O R
0
0
0
0 Reads status.
N E
BUSY
0 : Ready
/
S
1 : Busy
O E
ADC
0 : Leftward output
F
T
1 : Rightward output
F
ON/OFF
0 : Display ON
1 : Display OFF
RESET
0 : Normal
1 : Reset
Display Data
Writes the data on the data bus to Display RAM.
These commands access a previously-specified
address of the display RAM, after which the column
address is incremented by one.
Display Data
Reads the data from the Display RAM onto the data
bus. These commands access a previously-specified
address of the display RAM, after which the column
address is incremented by one.
1
0
0
0
0 0/1 Used to reverse the correspondence between the
Display RAM’s column address and segment driver
output ports.
0 : Rightward output
1 : Leftward output
1
0
0
1
0 0/1 Selects normal display operation or static all-lit
drive display operation.
0 : Normal display operation
1 : Static drive ( Power save ) *1
1
0
1
0
0 0/1 Select LCD duty cycle.
1: 1/32 , 0: 1/16
1
0
0
0
0
0 Increments the column address counter by one only
when display data is written but not when it is read.
1
1
0
0
1
0
1
0
1
1
0
0
1
0
1
1
1
Cancels the Ready Modify Write mode.
Resets the Display Start Line to the 1st line in the
register. Resets the column address counter to 0 and
page address register to 3.
*1. Power Save Mode is entered by selecting static drive in the Display OFF status.
0
0
0
0
1
1
1
1
Embedded System
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