TL16C550D_09 Datasheet, PDF (6/54 Pages) Texas Instruments – ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH AUTOFLOW CONTROL

TL16C550D, TL16C550DI
SLLS597E – APRIL 2004 – REVISED DECEMBER 2008 .................................................................................................................................................. www.ti.com
FUNCTIONAL BLOCK DIAGRAM (For RHB Package)
Internal ⁸
Data Bus
5 -3
32-29
D(7- 0)
Data
Bus
Buffer
S
e
l
e
c
8
t
Receiver
Buffer
Register
Receiver
FIFO
Receiver
Shift
Register
6 _SIN
A0 ¹⁹
A1 ¹⁸
A2 ¹⁷
8
CS2
MR ²³
14
RD1
WR1 ¹²
Select
and
Control
Logic
XIN ¹⁰
XOUT ¹¹
V_CC ²⁸
V_SS ¹³
Power
Supply
Line
Control
Register
Divisor
Latch (LS)
Divisor
Latch (MS)
Line
Status
Register
Transmitter
Holding
Register
Modem
Control
Register
Modem
Status
Register
Baud
Generator
Transmitter
S
FIFO
e
l
8
e
c
t
8
8
Interrupt
Enable
Register
8 ^Interrupt
Control
Logic
Interrupt
8
Identification
Register
FIFO
Control
Register
Receiver
Timing and
Control
Transmitter
Timing and
Control
8 ^Transmitter
Shift
Register
Modem
Control
Logic
21
RTS
Autoflow
Control
(AFE)
7
SOUT
24
CTS
22 _DTR
25
DSR
26
DCD
27
RI
20 _INTRPT
6
Submit Documentation Feedback
Copyright © 2004–2008, Texas Instruments Incorporated
Product Folder Link(s): TL16C550D TL16C550DI