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Número de pieza | S6A0035 | |
Descripción | 53 SEGMENT STATIC DRIVER | |
Fabricantes | Samsung semiconductor | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de S6A0035 (archivo pdf) en la parte inferior de esta página. Total 16 Páginas | ||
No Preview Available ! 53 SEGMENT STATIC DRIVER
S6A0035
INTRODUCTION
The S6A0035 is a general purpose LCD driving IC, and designed to be available for electronic frequency tuning
display applications or microcomputer application systems.
FEATURES
• Maximum 53 segment output for STATIC display
• Drive system:1/1 duty → 53 segments
1/2 duty → 104 segments
• 3-input pins for serial data transfer (CE, CK, DI )
• 2-pin for 5-level AD converter (ARI, ALI)
• 2 display pins for direct displaying (DSP1, DSP2 )
• INH pin for blinking out display
BLOCK DIAGRAM
VLCD
OSC
INH
Common
Driver
Clock
Generator
* S44 (DSP2)
* S46 (DSP1)
* S48 (DSP OUT)
* S49 - S53 (ARLO1 - ARLO5)
......
......
LATCH & SEGMENT DRIVER ( 1 - 56 BITS)
LATCH & SEGMENT DRIVER ( 57 - 112 BITS)
ADC
ADC
Shift Register (56 Bits) &
Function Decoder
S47 (ARI)
S45 (ALI)
VDD VSS
CE CK DI
1
1 page 53 SEGMENT STATIC DRIVER
S6A0035
PAD DESCRIPTION
PAD
VDD
VSS
VLCD
COM1,
COM2
S1-S43
S46(DSP1)
S44(DSP2)
S47(ARI)
S45(ALI)
S48
(DSPOUT)
S49-S53
(ARLO1-5)
OSC
CE
CK
DI
INH
I/O
Power
Output
Output
Output
Input
Output
Input
Output
Output
Input
Input
Input
Input
Input
Name
Operating Voltage
Driver Supply
Voltage
Common output
Segment output
Segment output
DSP input
Segment output
Analog input
Segment output
DSP output
Segment output
Analog output
Oscillator
Description
For logic circuit (2.7V to 6.5V)
0 V (GND)
Power supply for driving LCD
- 1/1duty: Only COM1 is used, COM2 open
- 1/2duty: Both COM1 and COM2 are used.
Segment output for driving LCD
Segment output for driving LCD
(Display input pins)
Segment output for driving LCD
(Analog input pins)
Segment output for driving LCD
(DSP output pins)
Segment output for driving LCD
(Analog output pins)
Input for clock generator
Chip Enable
Data Shift Clock
Data Input
Display blinking
CE = High → Chip Enable status
Clock pulse input for the 1bit serial
shift register. The data is shifted to 56 bit
shift register at the rising edge of the clock.
Display data input
Display blinking input (INH = LOW)
Interface
Power Supply
LCD
LCD
LCD
Display input
LCD
Analog input
LCD
LCD
Resistor,
Capacitor
Controller
Controller
Controller
Controller
5
5 Page 53 SEGMENT STATIC DRIVER
S6A0035
BLOCK FUNCTION
CLOCK GENERATOR
The oscillator is operated by connecting external resistor and capacitor. The clock of oscillator block is used as
signal of common and segment driver.
FUNCTION DECODER
Function decoder generates, using chip enable (CE), data (DI), clock (CK) from controller, a signal which controls
the function and mode of chip. for example AD / DSP function , drive mode, latch clock select and so forth.
Data transfer (56 bits)
D1 D2 D3 D4 D5 D6 D7 D8
D47 D48 D49 D50 D51 D52 D53 DP DQ DR
DP : Drive mode select bit → 1 / 1 duty at "0" , 1 / 2 duty at "1" ,
DQ : AD / DSP function select bit → Segment output at "0" AD / DSP function at "1".
DR : Latch clock select bit →latch1 clock at "0", latch 2 clock at "1".
NOTE: If AD / DSP function selected are not in use, ARI, ALI, DSP1, DSP2 pins are connected to VDD or VSS in order to
protect floating.
11
11 Page |
Páginas | Total 16 Páginas | |
PDF Descargar | [ Datasheet S6A0035.PDF ] |
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