AS2590N austriamicrosystems AG, AS2590N Datasheet
AS2590N
Related parts for AS2590N
AS2590N Summary of contents
Page 1
Data Sheet Austria Mikro Systeme International Key Features Very low operating current, typ Low power oscillator using 32.768 kHz Xtal 2-wire interface compatible to AS2574B 18 digits by 7 segments 6 symbols 24 hour clock showing ...
Page 2
Data Sheet Pin Description DIL PLCC Symbol 1 1 BP1 2 2 BP0 ...
Page 3
Data Sheet Pin Description Continued DIL PLCC Symbol 42 45 SDA 43 47 SCL XTAL1 46 50 XTAL2 LCD Layout SB3 SB0 = ...
Page 4
Data Sheet Description Operating Modes The following two operating modes are pin selectable: Mode 0: Clock and timer are disabled and the oscillator is stopped when going on-hook (command BLANK ALL). Mode 1: Clock and timer functions are enabled, clock ...
Page 5
Data Sheet NO MNEMONIC 1 SET LS 2 CLEAR LS 3 SET MUTE 4 CLEAR MUTE 5 SET 2ND 6 CLEAR 2ND 7 SET CLOCK 8 START 9 START COPY 10 START FIFO 11 START TIMER 12 BLANK ALL 13 ...
Page 6
Data Sheet Active Backplane BP0 BP1 BP2 BP0 BP1 BP2 BP3 S0 on off off S1 off on on Figure 3 LCD driver outputs Serial Interface The serial interface is a one way, two line link between the dialler (AS2574) ...
Page 7
Data Sheet Electrical Characteristics Absolute Maximum Ratings Positive Supply Voltage ...................................................................................................................-0.3V Input Current ................................................................................................................................................ 25 mA Digital Input Voltage .....................................................................................................V Electrostatic Discharge (HBM) ........................................................................................................................ 500V Storage Temperature ......................................................................................................................- +125 C Recommended Operating Conditions Supply Voltage ..............................................................................................................................2.5V Oscillator Frequency ...
Page 8
Data Sheet AC Characteristics (V = 3.0V Symbol Parameter SDA/SCL Serial Interface f Clock Frequency CL f Clock High Time CLH f Clock Low Time CLL f Clock Low to Data Change CD f Stop Bit High Time ...
Page 9
Data Sheet Timing Diagrammes t HSA SDA SCL START SDA t CLL SCL BIT 4 Rev CLL BIT SUSO SOH STOP Figure 5 Serial Interface timing waveforms CLH BIT ...
Page 10
Data Sheet Output Waveforms t BRON Vss t SFON Vss Rev BFON Figure 6 Backplane timing waveforms ...
Page 11
Data Sheet Pin Configurations 48 Pin DIP BP1 1 BP0 V1/3 13 S10 14 S11 15 S12 16 S13 ...
Page 12
Data Sheet Devices sold by Austria Mikro Systeme are covered by the warranty and patent indemnification provisions appearing in its Term of Sale. Austria Mikro Systeme makes no warranty, express, statutory, implied description regarding the information set forth ...