This part is a kind of semiconductor called ETK3699.
Function of this product has Digital surround sound reverberation processor.
Manufacturers : Yagao
Image and pinout :
Some of the text within the PDF file :
Êý×Ö»·ÈÆ ìÏ ÒôЧ´¦Àí ÷ ETK3699 YAGAO Technology ¸ÅÊö ETK3699 Ò»¿î·ÈÆìÏôЧ´¦Àíµç£¬Ö÷ªÓÃÚÊ¡¢¨-Ç ÄÚ½¨ÔËã·Å´óÆ÷¡¢ ËüµÄÌØÉ«ÔÚÓ½¨ VCO£¨ Voltage Control OSC£¢¡© VCO ´ËÍ⣬ ´Ó¶øﵽ΢÷ѳÙʱ¼äÄЧ¹û¡£ ¿É¼ò»¯Íâ²Ó¦ÃÏß·ÇÒ×ÚØÖÆÕñµ´Ê£¬ 16 ËùÐèÍâ½ÓÔªÆ÷¼þ«ÉÙ£¬ÖúÚÌõÒýÅ A/DC¡¢ D/AC¡¢ SRAM£¨ PCB ²¼¾ÖµÄòÒ×»¯ÇܸüÓ½ÚÊ¡³É±£ OK »ìÏÆ÷µÈ¸ÖÒôÉè±Ð¡£ 40Kb£¼°ÑÓ³Ùʱä¿ØÖƵç·£¬ÒÔ© ETK3699 ½ö ¹¦ÄÜÌصã z z z z z z z z г²¨Ê§Õæµͣº»ØÒôìÏĽ ÄÚ½¨ ¿ÉÓÍâ²µç×è÷Õû ADM Ëã·¨ ²ÉÓÃµÄ DIP16 »ò 40Kb SRAM VCO [ ... ]
ETK3699 PDF Datasheet Download
