Dual ACE
TL16C552A, TL16C552AM
DUAL ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH FIFO
SLLS189D – NOVEMBER 1994 – REVISED JANUARY 1999...
Description
TL16C552A, TL16C552AM
DUAL ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH FIFO
SLLS189D – NOVEMBER 1994 – REVISED JANUARY 1999
D IBM PC/AT ™ Compatible D Two TL16C550 ACEs D Enhanced Bidirectional Printer Port D 16-Byte FIFOs Reduce CPU Interrupts D Up to 16-MHz Clock Rate for up to 1-Mbaud
Operation
D Transmit, Receive, Line Status, and Data
Set Interrupts on Each Channel
Independently Controlled
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 Outputs Provide TTL Drive for the
Data and Control Bus on Each Channel
D Hardware and Software Compatible With
TL16C452
HV or 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
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor p...
Similar Datasheet