UPD65646GJ-171-3EB Overview
NETW-VCP INTERFACE TOP VIEW GND GND VDD GND VDD w w a D . EACH 64kHz CLOCK FOR ISDN BRI EACH 8kHz (OCTET TIMING) CLOCK FOR ISDN BRI ADDRESS FROM THE HOST CPU CHIP SELECT FROM THE HOST CPU READ ENABLE FROM THE HOST CPU WRITE PULSE FROM THE HOST CPU INTERRUPT INPUT PORTS EACH RECEIVING DATA FOR ISDN BRI ; RECEIVING DATA FOR EXCLUSIVE USE LINE (TA) I/F RD2/PRIDR.