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PDF LC75886PW Data sheet ( Hoja de datos )
| Número de pieza | LC75886PW | |
| Descripción | 1/4 and 1/3-Duty LCD Display Driver | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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Ordering number : ENA1391
LC75886PW
CMOS IC
1/4 and 1/3-Duty LCD Display
Driver with Key Input Function
http://onsemi.com
Overview
The LC75886PW is 1/4 duty and 1/3 duty LCD display driver that can directly drive up to 224 segments and can
control up to 5 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 224 segments using 1/4 duty and up to 171 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 5 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.
• 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
51309HKIM 20081208-S00009 No.A1391-1/36
1 page  
Package Dimensions
unit : mm (typ)
3220
LC75886PW
1.25
60
61
14.0
12.0
0.5 1.25
41
0.135
40
80
1
21
0.2 20
0.5 0.5
SANYO : SQFP80(12X12)
Pin Assignment
KS6
KI1
KI2
KI3
KI4
KI5
S57/P5
VDD
VDD1
VDD2
VSS
TEST
OSC
RES
DO
CE
CL
DI
P1/S1
P2/S2
60
61
70
80
1
50
LC75886PW
10
41
40
30
21
20
S42
S41
S40
S39
S38
S37
S36
S35
S34
S33
S32
S31
S30
S29
S28
S27
S26
S25
S24
S23
Top view
No.A1391-5/36
5 Page 
(2) When CL is stopped at the high level
LC75886PW
CE
CL
DI 0 1 0 0 0 0 1 0 D1 D2
B0 B1 B2 B3 A0 A1 A2 A3
DO
D47 D48 D49 D50 D51 D52 D53 D54 D55 D56 D57 OC PC50 PC51 KSC S0 S1 K0 K1 P0 P1 P2 SC 1 0 0
Display data (57 bits)
Control data (12 bits)
DD
(3 bits)
0 1 0 0 0 0 1 0 D58 D59
B0 B1 B2 B3 A0 A1 A2 A3
D104 D105 D106 D107 D108 D109 D110 D111 D112 D113 D114 0 0 0 0 0 0 0 0 0 FC0 FC1 FC2 1 0 1
Display data (57 bits)
Control data (12 bits)
DD
(3 bits)
0 1 0 0 0 0 1 0 D115 D116
B0 B1 B2 B3 A0 A1 A2 A3
D161 D162 D163 D164 D165 D166 D167 D168 D169 D170 D171 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0
Display data (57 bits)
Fixed data (12 bits)
DD
(3 bits)
Note: B0 to B3, A0 to A3 ········· CCB address
DD ································· Direction data
• CCB address ·········· “42H”
• D1 to D171 ············· Display data
• OC ························· RC oscillator operating mode/external clock operationg mode switching control data
• PC50, PC51 ············ General-purpose output port/clock output port/segment output port switching control data
• KSC ······················· Key scan operation enabled/disabled state setting control data
• S0, S1 ····················· Sleep control data
• K0, K1 ··················· Key scan output/segment output switching control data
• P0 to P2 ·················· Segment output port/general-purpose output port switching control data
• SC ·························· Segment on/off control data
• FC0 to FC2 ············· Common and segment output waveform frame frequency control data
No.A1391-11/36
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet LC75886PW.PDF ] | |
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