Datasheet
TL16C750
ASYNCHRONOUS COMMUNICATIONS ELEMENT
WITH 64-BYTE FIFOs AND AUTOFLOW CONTROL
SLLS191C – JANUARY 1995 – REVISED DECEMBER 1997
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
description (continued)
The TL16C750 ACE includes a programmable baud rate generator capable of dividing a reference clock by
divisors from 1 to (2
16
– 1) and producing a 16× reference clock for the internal transmitter logic. Provisions are
also included to use this 16× clock for the receiver logic. The ACE accommodates a 1-Mbaud serial rate
(16-MHz input clock) so a bit time is 1 µs and a typical character time is 10 µs (start bit, 8 data bits, stop bit).
Two of the TL16C450 terminal functions have been changed to TXRDY
and RXRDY, which provide signaling
to a direct memory access (DMA) controller.
MR
OUT1
DTR
RTS
OUT2
NC
INTRPT
RXRDY
A0
A1
A2
39
38
37
36
35
34
33
32
31
30
29
18 19
7
8
9
10
11
12
13
14
15
16
17
D5
D6
D7
RCLK
SIN
NC
SOUT
CS0
CS1
CS2
BAUDOUT
20 21 22 23
RI
DCD
DSR
CTS
543216
44
D4
D3
D2
D1
D0
NC
V
RD2
DDIS
TXRDY
ADS
XIN
XOUT
WR1
WR2
NC
RD1
42 41 4043
24 25 26 2728
NC–No internal connection
CC
V
SS
FN PACKAGE
(TOP VIEW)
18 19
D4
NC
D3
D2
NC
D1
D0
NC
V
CC
NC
RI
NC
DCD
DSR
NC
CTS
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
XIN
XOUT
NC
WR1
NC
WR2
NC
V
SS
RD1
RD2
NC
DDIS
TXRDY
NC
ADS
NC
21 22 23 24
PM PACKAGE
(TOP VIEW)
D6
SIN
63 62 61 60 5964 58
CS2
NC
CS1
NC
CS0
SOUT
NC
RTS
NC
DTR
NC
NC
A0
RXRDY
NC
INTRPT
NC
OUT2
56 55 5457
25 26 27 28 29
53 52
17
A2
RCLK
NC
51 50 49
30 31 32
OUT1
NC
MR
D7
NC
D5
BAUDOUT
NC
A1