LX527

HANGZHOU ZHENGXIN MICRO-ELECTRONICS CO.,LTD Address:B068#,4 Floor, 639 Dengyun Road,Hangzhou,Zhejiang Tel：0571-89908068 89908067 89908491 Fax：0571-89908137 89908492 Postcode：310014 Website：http://www.chiptrue.com LX527 User’s Guide Description LX527 is designed by CMOS technology,can storage ISN and study code beforehand, it is decoded by software;ISN has 20bit can storage 1048576 for combination,this can reduce any code collision. Main Features 1 ．low power consumption quiescent current＜1uA ； 2 ．operating voltage Vcc=2.4 - 13.0V； 3 . input four key-press through combination，that can assemble 8 key-press mostly; 4 ．single oscillator circuit，need one external resistor only. 5．small volumne8 package by SSOP ，it is perfect upgrade product of LX2260； 6 ．it is compatible with FP527 absolutely. Pin Configuration 1 2 3 4 OSC1 Vcc Vss TXD K3 K2 K1 K0 8 7 6 5 LX527/1527 Pin Description Sign OSCI VCC VSS TXD K0 Kl K2 K3 Description Oscillator circuitry input pin，connect resistor to power supply Positive Power Supply Negative Power Supply Code output pin Key-press input pin，contain pull-down resistor Key-press input pin，contain pull-down resistor Key-press input pin，contain pull-down resistor Key-press input pin，contain pull-down resistor Pin 1 2 3 4 5 6 7 8 0 I I I I I/O I 1 Free Datasheet http://www.Datasheet4U.com HANGZHOU ZHENGXIN MICRO-ELECTRONICS CO.,LTD Address:B068#,4 Floor, 639 Dengyun Road,Hangzhou,Zhejiang Tel：0571-89908068 89908067 89908491 Fax：0571-89908137 8990...