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PDF IK2107 Data sheet ( Hoja de datos )
| Número de pieza | IK2107 | |
| Descripción | LED Driver IC | |
| Fabricantes | IK Semicon | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de IK2107 (archivo pdf) en la parte inferior de esta página. Total 17 Páginas | ||
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TECHNICAIKL21D0A7TA
LED Driver IC
IK2107
DESCRIPTION
The IK2107 is specifically designed for cathode-grid LED and
LED DISPLAY derivers.
The IK2107 have 12/9 segment output lines, 7 to 4 grid output lines, one
display memory, control circuit and 3 line serial data interface. This
function are all incorporated into a single chip to build a highly reliable
peripheral device for a single chip microcomputer. It is very convenience
to control for numeric display.
IK2107’s pin assignments and application circuit are optimized for easy
PCB Layout and cost saving advantages.
ORDERING INFORMATION
Device
Operating
Package
Packing
IK2107D
IK2107DT
TA = -20° to 70° C
SOP 24
SOP 24
Tube
Tape &Reel
FEATURES
PIN CONNECTION
· CMOS Technology
· Segment output line selection by command : 12 ~ 9
· Grid output line selection by command : 7 ~ 4
· Operation voltage : 5V
· Low Power Consumption
· 8-Step Dimming control by command
· Serial Interface for Clock, Data Input, Strobe Pins
· 24-pin, SOP Package
OSC
DIN
CLK
STB
VDD
SG1
SG2
SG3
SG4
SG5
SG6
SG7
1
2
3
4
5
6
7
8
9
10
11
12
24 GND
23 GR1
22 GR2
21 GR3
20 GR4
19 GND
18 VDD
17 SG12/GR5
16 SG11/GR6
15 SG10/GR7
14 SG9
13 SG8
APPLICATION
· Segment LED display : VCR, DVD, MWO
2011, April, ver.01
1 page  
IK2107
COMMAND 2 : DATA SETTING COMMANDS
The Data Setting Commands executes the Data Write Mode for IK2107. The Data Setting
Command, the bits5 and 6 (b4, b5) are ignored, bit7(b6) is given the value of “1” while bit8(b7) is
given the value of “0”. Please refer to the diagram below.
When power is turned ON, bit 4 to bit 1 (b3 to b0) are given the value of “0”.
MSB
LSB
0 1 - - b3 b2 b1 b0
Don’t Care
Data Write Mode Settings :
00 : Write Data to Display Mode
Address Increment Mode Settings (Display Mode):
0 : Increment Address after Data has been Written
1 : Fixes Address
Mode Settings :
0 : Normal Operation Mode
1 : Test Mode
2011, April, ver.01
5 Page 
IK2107
APLICATIONS
Display memory is updated by incrementing addresses. Please refer to the following diagram.
STB
CLK
---------------------
DIN
Command1 Command2 Command3
Data1
---------------------
Data2
Command4
Where : Command 1 : Display Mode Setting
Command 2 : Data Setting Command
Command 3 : Address Setting Command
Data 1 to n : Transfer Display Data (14 Bytes max.)
Command 4 : Display Control Command
The following diagram shows the waveforms when updating specific addresses.
STB
DIN
CLK
command2 command3
Data
command3
Data
Where : Command 2 -- Data Setting Command
Command 3 -- Address Setting Command
Data -- Display Data
2011, April, ver.01
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet IK2107.PDF ] | |
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