UPD7201 Datasheet - NEC

UPD7201 MULTI-PROTOCOL SERIAL CONTROLLER

NO. SYMBOL 12 *19 00.07 PIN NAME System Data Bus (bidirectional, 3 *statel DESCRIPTION The system data bus transfers data and commands between the processor and the ,uPD7201. DO is the least significant bit. 25 B/A Channel A or B Select (input, High selects Channel BI This input defin.

NEe Microcomputers, Inc. NEe fLPD7201 DEseR IPTION F EATU RES PIN CONFIGURATION MULTI-PROTOCOL SERIAL CONTROLLER The "PD7201 is a dual-channel multi-function peripheral controller designed to satisfy a wide variety of serial data communication requirements in microcomputer systems. Its basic function is a serial-to-parallel, parallel-to..erial converter/controller and within that role it is configurable by systems software so its ~'personality" can be optimized for a given serial data communi.

UPD7201-NEC.pdf