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PDF LC75806PT Datasheet ( Hoja de datos )

Número de pieza LC75806PT
Descripción 1/4 and 1/3-Duty LCD Display Driver
Fabricantes ON Semiconductor 
Logotipo ON Semiconductor Logotipo

Total 30 Páginas
		
LC75806PT Hoja de datos, Descripción, Manual
Ordering number : ENA1425
LC75806PT
CMOS IC
1/4 and 1/3-Duty LCD Display Driver
with Key Input Function
http://onsemi.com
Overview
The LC75806PT is 1/4 duty and 1/3 duty LCD display driver that can directly drive up to 304 segments and can
control up to 9 general-purpose output ports. This product also incorporates a key scan circuit that accepts input from
up to 30 keys to reduce printed circuit board wiring.
Features
Key input function for up to 30 keys (A key scan is performed only when a key is pressed.)
1/4 duty 1/3 bias and 1/3 duty 1/3 bias drive schemes can be controlled from serial data.
Capable of driving up to 304 segments using 1/4 duty and up to 231 segments using 1/3 duty.
Switching between key scan output and segment output can be controlled from serial data.
The key scan operation enabled/disabled state can be controlled from serial data.
Switching between segment output port and general-purpose output port can be controlled from serial data.
Switching between general-purpose output port, clock output port, and segment output port can be controlled
from serial data. (Up to 9 general-purpose output ports and up to one clock output port)
Serial data I/O supports CCB format communication with the system controller. (Support 3.3V and 5V operation)
Sleep mode and all segments off functions that are controlled from serial data.
The frame frequency of the common and segment output waveforms can be controlled from serial data.
Switching between RC oscillator operating mode and external clock operationg mode can be controlled from
serial data.
Direct display of display data without the use of a decoder provides high generality.
Built-in display contrast adjustment circuit.
Provision of an on-chip voltage-detection type reset circuit prevents incorrect displays.
RES pin provided for forcibly initializing the IC internal circuits.
CCB is ON Semiconductor® ’s original format. All addresses are managed
by ON Semiconductor® for this format.
CCB is a registered trademark of Semiconductor Components Industries, LLC.
Semiconductor Components Industries, LLC, 2013
July, 2013
61009HKIM 20090409-S00002 No.A1425-1/35

1 page

LC75806PT pdf
Package Dimensions
unit : mm (typ)
3274
16.0
14.0
75 51
76 50
LC75806PT
100
1
0.5
(1.0)
26
25
0.2
0.125
SANYO : TQFP100(14X14)
Pin Assignment
75
COM2
COM1
S75/KS1
S76/KS2
KS3
KS4
KS5
KS6
KI1
KI2
KI3
KI4
KI5
S77/P9
VDD
VDD1
VDD2
VSS
TEST
OSC
RES
DO
CE
CL
DI
76
100
1
LC75806PT
(TQFP100)
51
50
26
25
S50
S49
S48
S47
S46
S45
S44
S43
S42
S41
S40
S39
S38
S37
S36
S35
S34
S33
S32
S31
S30
S29
S28
S27
S26
Top view
No.A1425-5/35

5 Page

LC75806PT arduino
(2) When CL is stopped at the high level
LC75806PT
CE
CL
DI 0 1 0 0 0 0 1 0 D1 D2
D71 D72 D73 D74 D75 D76 D77 D78 0 0 OC PC90 PC91 S0 S1 K0 K1 P0 P1 P2 P3 SC KSC 1 0 0
B0 B1 B2 B3 A0 A1 A2 A3
Display data (78 bits)
Control data (15 bits)
DD
DO (3 bits)
0 1 0 0 0 0 1 0 D79 D80
B0 B1 B2 B3 A0 A1 A2 A3
D149 D150 D151 D152 D153 0 0 0 0 0 0 0 0 0 0 0 0 FC0 FC1 FC2 CT0 CT1 CT2 1 0 1
Display data (75 bits)
Control data (18 bits)
DD
(3 bits)
0 1 0 0 0 0 1 0 D154 D155
B0 B1 B2 B3 A0 A1 A2 A3
D224 D225 D226 D227 D228 D229 D230 D231 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0
Display data (78 bits)
Fixed data (15 bits)
DD
(3 bits)
Note: B0 to B3, A0 to A3 ········· CCB address
DD ································· Direction data
CCB address ··············· “42H”
D1 to D231 ················· Display data
OC ······························ RC oscillator operating mode/external clock operationg mode switching control data
PC90, PC91················· General-purpose output port/clock output port/segment output port switching control data
S0, S1·························· Sleep control data
K0, K1 ························ Key scan output/segment output switching control data
P0 to P3······················· Segment output port/general-purpose output port switching control data
SC ······························· Segment on/off control data
KSC ···························· Key scan operation enabled/disabled state setting control data
FC0 to FC2 ················· Common and segment output waveform frame frequency control data
CT0 to CT2 ················· Display contrast setting control data
No.A1425-11/35

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