CDP65C51A

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _CMOS Peripherals Advance Information TERMINAL ASSIGNMENT vss eso eS1 RES RX e XTLl XTL RTS CfS TxD DTR RxO RSO RSI 28 27 2. 4 25 5 24 23 7 22 8 21 20 10 " 1" 8 12 17 13 I. 14 15 TOP vlEW R/W +2 :rnll 07 D. 05 04 03 02 01 DO = DCD VDD 92CS-36774 CDP65C51A CMOS Asynchronous Communications Interface Adapter (ACIA) Features: Compatible with 8-bit microprocessors Full duplex operation with buffered receiver and transmitter Data set/modem control functions Internal baud-rate generator with 15 programmable baud rates (50 to 19,200) Program-selectable internally or externally controlled receiver rate Operates at baud rates up to 250,000 via proper crystal or clock selection the RCA-CDP65C51A Asynchronous Communications Interface Adapter (ACIA) provides an easily implemented, program-controlled interface between 8-bit microprocessor-based systems and serial communication data sets and modems. The CDP65C51 A is ide...