AS1100 Datasheet: Serially Interfaced 8-Digit LED Driver





AS1100 Serially Interfaced 8-Digit LED Driver Datasheet

Part Number AS1100
Description Serially Interfaced 8-Digit LED Driver
Manufacture AMSCO
Total Page 12 Pages
PDF Download Download AS1100 Datasheet PDF

Features: www.DataSheet4U.com Data Sheet AS1100 S erially Interfaced, 8-Digit LED Driver AS1100 Key Features - DATA SHEET 10M Hz Serial Interface Individual LED Segm ent Control Decode/No-Decode Digit Sele ction 20µA Low-Power Shutdown (Data Re tained) Extremely low Operating Current 0.5mA in open loop Digital and Analog Brightness Control Display Blanked on P ower-Up Drive Common-Cathode LED Displa y Software Reset 1 Optional External cl ock 24-Pin DIP and SO Packages Fully co mpatible to MAX7219 Every individual s egment can be addressed and updated sep arately. Only one external resistor is required to set the current through the LED display. Brightness can be control led either in an analog or digital way. The user can choose the internal code- B decoder to display numeric digits or to address each segment directly. The A S1100 features an extremely low shutdow n current of only 20µA. and an operati onal current of less than 500µA. The n umber of visible digits can be programmed as well. The AS1100 can .

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www.DataSheet4U.com
Data Sheet AS1100
Serially Interfaced, 8-Digit LED Driver
AS1100
DATA SHEET
Key Features
- 10MHz Serial Interface
- Individual LED Segment Control
- Decode/No-Decode Digit Selection
- 20µA Low-Power Shutdown (Data Retained)
- Extremely low Operating Current 0.5mA in open loop
- Digital and Analog Brightness Control
- Display Blanked on Power-Up
- Drive Common-Cathode LED Display
- Software Reset1
- Optional External clock
- 24-Pin DIP and SO Packages
- Fully compatible to MAX7219
Every individual segment can be addressed and updated
separately. Only one external resistor is required to set the
current through the LED display. Brightness can be
controlled either in an analog or digital way. The user can
choose the internal code-B decoder to display numeric
digits or to address each segment directly. The AS1100
features an extremely low shutdown current of only 20µA.
and an operational current of less than 500µA. The number
of visible digits can be programmed as well. The AS1100
can be reset by software and an external clock can be used.
Several test modes support easy debugging.
The AS1100 is fully compatible to the MAX 7219. AS1100 is
offered in a 24 pins PDIP and SOIC package.
General Description
Applications
- Bar-Graph Displays
The AS1100 is an LED driver for 7 segment numeric
- Industrial Controllers
displays of up to 8 digits. The AS1100 can be programmed
- Panel Meters
via a conventional 4 wire serial interface. It includes a BCD
- LED Matrix Displays
code-B decoder, a multiplex scan circuitry, segment and
- White Goods
display drivers and a 64 Bit memory. The memoryDisatuasSedhetoet4U.com
store the LED settings, so that continuous reprogramming is
not necessary.
DataShee
TOP
DIN 1
DIG0 2
DIG4 3
GND 4
DIG6 5
DIG2 6
DIG3 7
DIG7 8
GND 9
DIG5 10
DIG1 11
LOAD 12
24 DOUT
23 SEG D
22 SEG DP
21 SEG E
20 SEG C
19 VDD
AS1100 18 ISET
17 SEG G
16 SEG B
15 SEG F
14 SEG A
13 CLK
DIP/SO 24
Pin Configuration
1 Software Reset and external clock are not supported by
MAX7219
9.53k
MOSI
µP I/O
SCK
+5V
19
VDD
18 ISET DIG0-DIG7
1 DIN
8 Digits
12 LOAD
1
9
CLK
SEG A-G
SEP DP
GND GND
8 Segments
4
8-Digit µP Display
Typical Application Circuit
DataSheet4U.com
Revision 1.32, Oct. 2004
DataSheet4 U.com
Page 1 of 12

                    
              






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