TL16PNP550A_08 Datasheet, PDF (5/40 Pages) Texas Instruments – ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH PLUG-AND-PLAY (PnP) AND AUTOFLOW CONTROL

ą
ACE functional block diagram
TL16PNP550A
ASYNCHRONOUS COMMUNICATIONS ELEMENT
WITH PLUGĆANDĆPLAY (PnP) AND AUTOFLOW CONTROL
SLLS190B − MARCH 1995 − REVISED MARCH 1996
Internal ⁸
Data Bus
18 −15, 13 −10
D(7 −0)
Data
Bus
Buffer
32
A0
33
A1
A2 ³⁴
CS
(from PnP)
MR
(from PnP)
IOR ⁸
IOW ⁹
Select
and
Control
Logic
CLK
(from
Prescalar)
VCC
VSS
Power
Supply
S
e
l
e
c
8
t
Receiver
Buffer
Register
Receiver
FIFO
Line
Control
Register
Divisor
Latch (LS)
Divisor
Latch (MS)
Baud
Generator
Line
Status
Register
Transmitter
Holding
Register
Transmitter
S
FIFO
e
l
8
e
c
t
Modem
8
Control
Register
Modem
8
Status
Register
Interrupt
Enable
Register
8 ^Interrupt
Control
Logic
Interrupt
8
Identification
Register
FIFO
Control
Register
Receiver
Shift
Register
Receiver
Timing and
Control
Transmitter
Timing and
Control
8 ^Transmitter
Shift
Register
Modem
Control
Logic
6
SIN
49
RTS
Autoflow
Control
(AFE)
51
SOUT
60
CTS
50
DTR
62
DSR
59
DCD
61
RI
INTRPT
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
• POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443
5