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MC2204 Schematic ( Datenblatt PDF ) - ABOV

Teilenummer MC2204
Beschreibung 10 SEGMENT x 7 GRID LED DRIVER
Hersteller ABOV
Logo ABOV Logo 



Gesamt 24 Seiten
		
MC2204 Datasheet, Funktion
ABOV SEMICONDUCTOR
10 SEGMENT X 7 GRID LED DRIVER WITH KEYSCAN
MC2204
Data Sheet (Ver. 1.20)






MC2204 Datasheet, Funktion
MC2204
BLOCK DIAGRAM
DIO
CLK
STB
K1
K2
Control
Serial
Data
Interface
Display
Memory
Timing
Generator
Segment
Driver /
Grid Driver
Key
Scan
Dimming Circuit
SEG1/KS1
SEG2/KS2
SEG3/KS3
SEG4/KS4
SEG5/KS5
SEG6/KS6
SEG7/KS7
SEG8/KS8
SEG9/KS9
SEG10/KS10
SEG12/GR7
SEG13/GR6
SEG14/GR5
GR4
GR3
GR2
GR1
VDD GND
January 07, 2010 Ver 1.20
6/24

6 Page







MC2204 pdf, datenblatt
MC2204
FUNCTIONAL DESCRIPTION
COMMANDS
The MC2204 has 4 kind of commands. The first command is display setting commands, the second
command is data setting command. The third command is address setting command and the fourth
command is display control command.
COMMAND 1 : DISPLAY MODE SETTING COMMAND
The Display mode setting command has 2bit (b1,b0) for display mode setting and 2bit (b7,b6)
for commands. And 2bits(b5 ~ b4) should be fixed ’00’ at any case.. The 2bits (b3 ~ b2) are don’t care bit.
The command bits (b7,b6) are “0”,”0” for COMMAND1.
The display mode setting command determines the number of segments and grids. This command
should be executed for display off. And the default of b1,b0 are “1”,”1” for power on. This status is
selected 7 grids, 10 segments and key scan enable. If b1,b0 are “1”,”0” then 6 grids 11 segments
and key scan enable selected. If b1,b0 are “0”,”1” then 5 grid 12 segments and key scan enable selected.
If b1, b0 are “0”,”0” then 4 grids 13 segments and key scan enable selected.
MSB
b7 b6
0
LSB
0 b3 b2 b1 b0
Don’t Care
Display Mode Settings :
00 : 4Grid, 13 Segments
01 : 5Grid, 12 Segments
10 : 6 Grids, 11 Segments
11 : 7 Grids, 10 Segments
should be fixed ’00’ at any case
00 : COMMAND 1
January 07, 2010 Ver 1.20
12/24

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