TL16PNP550A Datasheet, PDF (5/40 Pages) Texas Instruments – ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH PLUG-AND-PLAY (PnP) AND AUTOFLOW CONTROL

ACE functional block diagram
TL16PNP550A
ASYNCHRONOUS COMMUNICATIONS ELEMENT
WITH PLUG-AND-PLAY (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
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