KD-LX555R Description
32 COPYRIGHT © 2003 VICTOR PANY OF JAPAN, LTD. No.49793 2003/5 SECTION 4 Description of major ICs 4.1 BA6956AN (IC830, IC831) : Vcc LEVEL DETECT 5 SDA I/O IN IN IN / OUT IN Power supply Ground (0v) Slave address set Serial clock input Description Slave and word addressserial data input serial data output 1 Write protect input 1 An open drain output requires a pull-up resister.