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KK1207 데이터시트 PDF




KODENSHI KOREA에서 제조한 전자 부품 KK1207은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

PDF 형식의 KK1207 자료 제공

부품번호 KK1207 기능
기능 specifically designed
제조업체 KODENSHI KOREA
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KK1207 데이터시트 를 다운로드하여 반도체의 전기적 특성과 매개변수에 대해 알아보세요.



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KK1207 데이터시트, 핀배열, 회로
TECHNICAL
KK1207
www.DataSheet4U.com
DESCRIPTION
The KK1207 is specifically designed for LED and LED DISPLAY derivers.
The KK1207 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.
KK1207’s pin assignments and application circuit are optimized for easy PCB Layout and cost saving
advantages.
FEATURES
· 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
APPLICATION
· Segment LED display : VCR, DVD, MWO
1




KK1207 pdf, 반도체, 판매, 대치품
TECHNICAL DATA
KK1207
www.DataSheet4U.com
FUNCTIONAL DESCRIPTION
Commands
A command is the first byte (b0 to b7) inputted to KK1207 via DIN Pin after STB Pin has changed from
”HIGH” to “LOW” state. If for some reason the STB Pin is set “HIGH” while data or commands are
being transmitted, the serial communication is initialized, and the data/commands being transmitted are
considered invalid.
COMMAND 1 : DISPLAYMODE SETTING COMMANDS
KK1207 provides 4 display mode setting as shown in the diagram below: As stated earlier a
command is the first one byte(b0 to b7) transmitted to KK1207 via the DIN Pin when STB is
“LOW”. However, for these commands, Bit No.3 to Bit No.6(b2 to b5) are ignored,
Bit No.7 & Bit No.8(b6 to b7) are given a value of “0”.
The Display Mode Setting Commands determine the number of segments and grids be used
(1/4 to 1/7 duty, 12 to 9 segments). When these commands are executed, the display forcibly
turned off. A display command “ON” must be executed in order to resume display. If the same
mode setting is selected, no command execution is take place, therefore, nothing happens.
When Power is turned “ON”, the 7-Grid, 9-Segment Mode is selected.
MSB
0
0
-
--
LSB
- b1 b0
Don’t Care
Display Mode Settings :
00 : 4 Grids, 12 Segments
01 : 5 Grids, 11 Segments
10 : 6 Grids, 10 Segments
11 : 7 Grids, 9 Segments
4

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KK1207 전자부품, 판매, 대치품
TECHNICAL DATA KK
www.DataSheet4U.com
PIN DESCRIPTION
KK1207
Pin Name
I/O
OSC I
DIN
CLK
I
I
STB I
VDD
SG1 to SG9
SG10/GR7 to
SG12/GR5
GND
GR4 to GR1
-
O
O
-
O
Description
Oscillator Input Pin.
A resistor is connected to this pin and GND.
Data Input Pin.
This pin inputs serial data at the rising edge of
the shift clock (staring from the lower bit)
Clock Input Pin.
Rising edge trigger.
Strobe pin for Serial Interface.
The data input after the STB has fallen is
processed as a command.
When this pin is “HIGH”, CLK is ignored.
Power Supply
Segment Output Pins(p-channel, open drain)
Segment Output Pin/ Grid Output Pin
(CMOS Output)
Ground Pin
Grid Output Pins (n-channel, open drain)
Pin No.
1
2
3
4
5,18
6~14
15~17
19,24
20~23
3

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-----------------------------------------------------------------------

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