EA 3100
LOCHHAMER SCHLAG 17
·
D-82166 GRÄFELFING
Phone +49-89-8541991
·
FAX +49-89-8541721
·
lcd-module.de
3.95
INTELLIGENT 7-SEG. LCD WITH
MULTIPLEXED BCD OR µP INPUT
FEATURES
* HIGH CONTRAST 4 DIGIT 7-SEGMENT DISPLAY
* 4 DIGIT HEIGHTS AVAILABLE: 13, 18, 25, 50mm
* SUPPLY VOLTAGE RANGE FROM 3 TO 6V/TYP. 20µA
* 4 BIT BCD DATA INPUT
* 4 SEPARATED DIGIT SELECT INPUTS (VERSION -M)
* 2 CHIP SELECT AND 2 DIGIT SELECT INPUTS (VERSION -P)
* DECIMAL POINTS AND COLON SETTABLE BY LOGIC LEVELS
* 2 DIFFERENT 7-SEG. CODES: HEXCODE (VERS. -A), CODE -B (VERS. -B)
* OPERATING TEMPERATURE 0°C TO 55°C
OPTIONS
* ELECTROLUMINESCENT BACKLIGHTING: OPTION -LF (EXCEPT 50MM DISPLAYS)
* DISPLAY FOR EXTENDED TEMPERATURE RANGE -20°C TO +80°C: OPTION -ET
* RS-232C ADAPTER EA 9717
* EL-INVERTER
ORDERING INFORMATION
incl. Bezel
DISPLAYMODULES 13 mm HEIGHT
BCD-MUX, HEXCODE EA 3100-13MA
BCD-MUX, CODE-B EA 3100-13MB
BCD-µP, HEXCODE EA 3100-13PA
BCD-µP, CODE-B EA 3100-13PB
EL-INVERTER EA PS32-45
EL-INVERTER(ALTERN.) EA PS32-46
DISPLAYMODULES 18 mm HEIGHT
BCD-MUX, HEXCODE EA 3100-18MA
BCD-MUX, CODE-B EA 3100-18MB
BCD-µP, HEXCODE EA 3100-18PA
BCD-µP, CODE-B EA 3100-18PB
EL-INVERTER EA PS32-46
DISPLAYMODULES 50 mm HEIGHT
BCD-MUX, HEXCODE EA 3100-50MA
BCD-MUX, CODE-B EA 3100-50MB
BCD-µP, HEXCODE EA 3100-50PA
BCD-µP, CODE-B EA 3100-50PB
DISPLAYMODULES 25 mm HEIGHT
BCD-MUX, HEXCODE EA 3100-25MA
BCD-MUX, CODE-B EA 3100-25MB
BCD-µP, HEXCODE EA 3100-25PA
BCD-µP, CODE-B EA 3100-25PB
EL-INVERTER EA PS32-48
2
EA 3100
ABSOLUTE MAXIMUM RATINGS
Supply voltage VDD-VSS 6,5V
Input voltages either input VSS to VDD
Operating temperature range Top 0°C to 55°C
Storage temperature range Tst -20°C to +70°C
ELECTRICAL CHARACTERISTICS (TA=25°C, VDD=5V UNLESS OTHERWISE NOTED)
Parameter Symbol Condition min typ max Unit
Supply voltage VDD 3 5 6 V
Supply current Io p without signal 15 60 µA
Input H-level VIH either input 3 V
Input L-level VIL either input 2 V
Input leakage current IDL either input 0,01 +1
µA
Digit select time tSA see 1 µs
Data set time tDS Input- 500 ns
Data hold time tDH timing- 200 ns
Inter digit select tIDS diagram 2 µs
Chip select t one chip select
pulse width or both 200
Data setup time tdsm 100 ns
Data hold time tdhm 10 0 ns
BLOCK DIAGRAMM EA 3100-M
BLOCK DIAGRAM EA 3100-P
3
EA 3100
7-SEGMENT CODE
Binary input version -A version -B
B3 B2 B1 B0 Hexadecimal code -B
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
MODULE DESCRIPTION EA 3100 WITH BCD-MUX INPUT (VERSION -M)
The information from the data inputs B0-B3 is written into the transparent output latch when the digit
strobes D1-D4 are high. As long as a digit strobe is high the actual value is displayed. The binary
coded data at the data inputs are stored with the negative-going edge of the digit strobe and displayed
until either a new value is written into the output latches or the supply voltage is switched off.
For use in 24V applications, there are 3
possibilities to ensure that the input voltage at
any input pin does not exceed the maximum
value. These possibilities (Zener diode
stabilization, scaling resistors, Schottky diode
and pull-up) are shown in the figure above.
INPUT TIMING DIAGRAM VERSION -P
INPUT TIMING DIAGRAM VERSION -M
MODULE DESCRIPTION EA 3100 WITH MICROP ROCESSOR INPUT (VERSION -P)
The module allows direct memory-mapped usage in microprocessor applications (with or without
additional address decoding). The display is selected as long as both chip select inputs are low. On
the rising edge of either chip select input, the contents of the input latches is stored in the output
latches of the digit according to the digit select code (see timing diagram and table).
Chip select
CS1 CS2 Function
L L sets input latches
L H sets output latches
H L sets output latches
H H disables inp. latches
Digit select
DS1 DS2 Digit
LL D1
LH D2
HL D3
HH D4
24V Applications
EA 3100
LOCHHAMER SCHLAG 17
·
D-82166 GRÄFELFING
Phone +49-89-8541991
·
FAX +49-89-8541721
·
lcd-module.de
Type Window Overall Dim. Panel Cutout Mounting Hole Suitable for
A x B C x D E x F G / ∅Module
EA 03 45,7 x 17,7 70,0 x 32,0 54,5 x 22,0 61 / M2,5 EA 3100-13
EA 08-N 62,2 x 22,6 87,0 x 36,6 74,0 x 28,8 80 / M2,5 EA 3100-18
EA 011-N 86,0 x 30,3 110,8 x 44,3 99,0 x 36,5 104 / M2,5 EA 3100-25
EA 050-N 160,0 x 56,0 189,0 x 73,0 173,2 x 63,0 180,3x 61,0 EA 3100-50
PIN DESCRIPTION
Pin Symbol Function
1 VDD positive supply voltage
2 VSS negative supply voltage
3 DP3 L = DP3 off; H = DP3 on (intern. pull-down)
4 DP4 L = DP4 off; H = DP4 on (intern. pull-down)
5 COL L = Colon off; H = Colon on (intern. pull-down)
6 DP1 L = DP1 off; H = DP1 on (intern. pull-down)
7 VDD internally connected with pin 1
8 D3 [CS1*] digit strobe 3 (H-active), [chip select 1, L-active]
9 D4 [CS2*] digit strobe 4 (H-active), [chip select 2, L-active]
10 D2 [DS2*] digit strobe 2 (H-active), [digit select 2]
11 D1 [DS1*] digit strobe 1 (H-active), [digit select 1]
12 B2 BCD input, value 22
13 B1 BCD input, value 21
14 B0 BCD input, value 20
15 NC do not connect
16 B3 BCD input, value 23
* [EA 3100-xxPx]
ATTENTION
handling precautions!
MODULE DIMENSIONS
EA 3100-13, -18, -25.
Dimensions EA 3100-50:
188 x 89 x 15 mm
MOUNTING BEZELS: (dimensions in
mm) Mount. bezel EA 050-N with 4 screw
pins M 2,5
