PLCD5580 View Datasheet(PDF) - Infineon Technologies
Part Name
Description
MFG CO.
PLCD5580
Infineon Technologies
'PLCD5580' PDF : 12 Pages View PDF
Control Word Format
Display Brightness
The display can be programmed to vary between blank, 13%, 20%, 27%, 40%, 53%, 80%, and
full brightness. Bits D0, D1 and D2 control the display brightness.
CE WR FL A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0 Display Brightness
0
0
1
0
X
X
X
0
0
X
X
X
0
0
0
100% Brightness
0
0
1
0
X
X
X
0
0
X
X
X
0
0
1
80% Brightness
0
0
1
0
X
X
X
0
0
X
X
X
0
1
0
53% Brightness
0
0
1
0
X
X
X
0
0
X
X
X
0
1
1
40% Brightness
0
0
1
0
X
X
X
0
0
X
X
X
1
0
0
27% Brightness
0
0
1
0
X
X
X
0
0
X
X
X
1
0
1
20% Brightness
0
0
1
0
X
X
X
0
0
X
X
X
1
1
0
13% Brightness
0
0
1
0
X
X
X
0
0
X
X
X
1
1
1
Blank Display
X= Don’t care
Flash RAM Function
Character Flash is controlled by FL pin, bit D0 and control word bit D3. Combination
of FL being low, proper digit address and D0 being high will write a flash bit into the
Flash RAM Register. In the control word mode when D3 is brought high, the above
mentioned character will flash.
Setting the Flash Bit
CE WR FL A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0 Operation
0
0
0
X
A
A
A
X
X
X
X
X
X
X
0
Flash RAM disabled
0
0
0
X
A
A
A
X
X
X
X
X
X
X
1
Flash RAM enabled
X=Don’t care A=Selected address
Character Flash Control Word
CE WR FL A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0 Operation
0
0
1
0
X
X
X
0
0
X
0
0
B
B
B
Disable Flashing Char.
0
0
1
0
X
X
X
0
0
X
0
1
B
B
B
Enabled Flashing Char.
X=Don’t care B=Selected brightness
Display Blinking
Blinking function is independent of Flash function. When D4 is held high, entire display blinks at 2 Hz.
CE WR FL A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0 Operation
0
0
1
0
X
X
X
0
0
X
0
0
B
B
B
Display Blinking disabled
0
0
1
0
X
X
X
0
0
X
1
0
B
B
B
Display Blinking enabled
X=Don’t care B=Selected brightness
Lamp Test
Bit D6 when brought high will cause all the LEDs in all eight digits to light up at 53% brightness.
Selecting or de-selecting Lamp Test has no effect on the display memory.
CE WR FL A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0 Operation
0
0
1
0
X
X
X
0
0
X
0
X
X
X
X
Lamp Test disabled
0
0
1
0
X
X
X
0
0
X
0
0
X
X
X
Lamp Test enabled
X=Don’t care
2–140
PLCD5580/1/2/3/4
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