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PDF SA8806A Data sheet ( Hoja de datos )
| Número de pieza | SA8806A | |
| Descripción | 64 SEGMENT LIQUID CRYSTAL DISPLAY DRIVER PARALLEL INTERFACE | |
| Fabricantes | Sames | |
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SA8806A
64 SEGMENT LIQUID CRYSTAL DISPLAY DRIVER
PARALLEL INTERFACE
FEATURES
n Drives up to 64 segments
n External contrast control
n Standard parallel interface
n Low power CMOS
n Operates over a wide temperature
range
DESCRIPTION
The SAMES SA8806A Liquid Crystal
Display (LCD) Driver is capable of driving
up to 64 LCD segments and is designed for
displays having 4 track multiplexed
backplanes.
The SA8806A includes an on-chip
oscillator. The device may be programmed
from a standard µP or µC Bus.
This LCD driver is ideal for any µ-Controller
based system requiring up to an 8 digit
LCD display.
The SA8806A integrated circuit is available
in both 40 pin dual-in-line plastic (DIP-40),
as well as 44 pin plastic leaded chip carrier
(PLCC-44) package types.
PIN CONNECTIONS
VDD
D[3]
D[2]
D[1]
D[0]
AD[3]
AD[2]
AD[1]
AD[0]
WR
RD
CS
RES
CLK
EN
GND
VR[3]
VR[2]
VR[1]
VR[0]
DR-00562
Package: DIP-40
VI1
VI1/3
VI2/3
VS[0]
VS[1]
VS[2]
VS[3]
VS[4]
VS[5]
VS[6]
VS[7]
VS[8]
VS[9]
VS[10]
VS[11]
VS[12]
VS[13]
VS[14]
VS[15]
N.C
4072
PDS039-SA8806-001
1/10
REV. D 12-09-1995
1 page  
SA8806A
PIN DESCRIPTION (Continued)
Pin Pin Designation Description
PLCC-44 DIP-40
33 20
VR[0]
LCD backplane driver outputs
32 19
VR[1]
31 18
VR[2]
30 17
VR[3]
28 15
EN LCD Voltage Divider Enable input, active low
11 40
VI1 Optional external LCD voltage inputs
10 39
VI1/3
9 38
VI2/3
34 21
NC Not connected
12 NC
24 NC
35 NC
44 NC
FUNCTIONAL DESCRIPTION
The SA8806A is a CMOS Liquid Crystal Display Driver integrated circuit for displays,
having 4 track multipexed backplanes and up to 64 LCD segments.
The integrated circuit has a parallel interface, with external contract control and a low
power mode.
1. Parallel Interface
Read Mode: With CS and RD both active (low), the data corresponding to the
selected address, is switched to the output.
The Read cycle timing diagram is given below:
Diagram 1: Read Cycle
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| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet SA8806A.PDF ] | |
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