TL16C552

ąą TL16C552 DUAL ASYCHRONOUS COMMUNICATIONS ELEMENT WITH FIFO SLLS102B − DECEMBER 1990 − REVISED MARCH 1996 D IBM PC/AT  Compatible D Two TL16C550 ACEs D Enhanced Bidirectional Printer Port D 16-Byte FIFOs Reduce CPU Interrupts D Independent Control of Transmit, Receive, Line Status, and Data Set Interrupts on Each Channel D Individual Modem Control Signals for Each Channel D Programmable Serial Interface Characteristics for Each Channel: − 5-, 6-, 7-, or 8-bit Characters − Even-, Odd-, or No-Parity Bit Generation and Detection − 1-, 1 1/2-, or 2-Stop Bit Generation D 3-State TTL Drive for the Data and Control Bus on Each Channel D Hardware and Software Compatible With TL16C452 description FN PACKAGE (TOP VIEW) RXRDY0 DCD1 GND RI1 DSR1 CLK CS1 TRI PEMD ACK PE BUSY SLCT VDD ERR SIN1 RXRDY1 SOUT1 DTR1 RTS1 CTS1 DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 TXRDY0 VDD RTS0 DTR0 SOUT0 9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61 10 60 11 59 12 58 13 57 14 56 15 55 16 54 17 53 18 52 19 51 20 50 21 49 22 48 23 47 24 46 25 45 26 44 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 INT1 INT2 SLIN INIT AFD STB GND PD0 PD1 PD2 PD3 PD4 PD5 PD6 PD7 INT0 BDO GND CTS0 DCD0 RI0 DSR0 CS0 A2 A1 A0 IOW IOR CS2 RESET VDD SIN0 TXRDY1 ENIRQ description The TL16C552 is an enhanced dual channel version of the popular TL16C550 asynchronous communications element (ACE). The device serves two serial input/output interfaces simultaneously in microcomputer or microprocesso...