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LD1207 PDF даташит

Спецификация LD1207 изготовлена ​​​​«Integral Korea» и имеет функцию, называемую «Led And Led Display Driver».

Детали детали

Номер произв LD1207
Описание Led And Led Display Driver
Производители Integral Korea
логотип Integral Korea логотип 

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LD1207 Даташит, Описание, Даташиты
TECHNICAL DATA
LD1207
DESCRIPTION
The LD1207 is specifically designed for LED and LED DISPLAY derivers.
The LD1207 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.
LD1207’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
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LD1207 Даташит, Описание, Даташиты
TECHNICAL DATA
BLOCK DIAGRAM
LD1207
DIN Serial
CLK Data
Interface
STB
Control
Display
Memory
OSC
R
GND
OSC
Timing
Generator
Dimming Circuit
Segment
Driver /
Grid Driver
SG1
SG2
SG3
SG4
SG5
SG6
SG7
SG8
SG9
SG10/GR7
SG11/GR6
SG12/GR5
GR4
GR3
GR2
GR1
PIN CONFIGURATION
OSC
DIN
CLK
STB
VDD
SG1
SG2
SG3
SG4
SG5
SG6
SG7
1
2
3
4
5
6
7
8
9
10
11
12
VDD GND
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
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LD1207 Даташит, Описание, Даташиты
TECHNICAL DATA
PIN DESCRIPTION
LD1207
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
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