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KD80 Datasheet(PDF) 2 Page - Kingbright Corporation

No. de pieza KD80
Descripción Electrónicos  LCD Segment Extender
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Fabricante Electrónico  KINGBRIGHT [Kingbright Corporation]
Página de inicio  http://www.us.kingbright.com
Logo KINGBRIGHT - Kingbright Corporation

KD80 Datasheet(HTML) 2 Page - Kingbright Corporation

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King Billion Electronics Co., Ltd
駿
KD80
LCD Segment Extender
October 31, 2003
2
V1.0
This specification is subject to change without notice. Please contact sales person for the latest version before use.
1. General Description
KD80 is a member of peripheral IC series developed by King Billion Electronics Co. It is a black and
white LCD Segment Extender. This chip must be used with KB’s Type III or Type IV LCD Driver. This
chip interfaces with KB’s MCU with provisions of Segment Extender Interface LFR and LDL. KB’s
MCUs control KD80 through a command interface. The MCU can read/write display patterns to graphic
mode display RAM by first setting up the target address, selecting the driver configuration, and then
enabling the driver. KD80 can support four different configurations: 32 COM, 48 COM, 64 COM and 80
COM selectable by command register. The KD80 uses some of the memory as display RAM, while the
memory not used for display can be access as general-purpose memory.
2. Features
80 output LCD segment driver.
Operating Range:
2.4V ~ 5.5V
LCD Operating Voltage: < 9.0V
Four LCD Configurations:
32, 48, 64, or 80 COM.
Built-in dual-port display RAM: 2K bytes
Command mode interface.
Spare RAM for general purpose.
3. Pin Description
KDS80
1
2
3
4
5
6
7
8
51
52
53
54
55
56
57
58
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEG12
SEG11
SEG69
SEG68
SEG67
SEG66
SEG65
SEG64
SEG63
SEG62
Pin #
Pin Name
I/O
Description
41..101
1..19
SEG[79..0]
O LCD Segment Outputs
20
LVP
I
Charge Pump Output. These input pins must wire with master IC respectively. That
means LVP with LVP, LVL5 with LVL5, …, LDL with LDL. Please refer application
circuit for details.
21
LVL5
I
LCD Bias Voltage 5
22
LVL3
I
LCD Bias Voltage 3
23
LVL2
I
LCD Bias Voltage 2
24
LFR
I
LCD frame.
25
LDL
I
LCD data load.
26
REN
I
For RAM or Command Register Read/Write enable(0). This pin can be fixed at low.
27
R_WN
I
Read(1)/write(0) selection.
KD80


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