Description
SYMBOL
DISTR, DISTR
PIN NUMBER
22 21
TYPE
I I
DOSTR,
19
I
DOSTR
18
I
D0-D7
1-8
I/O
A0, A1,
28, 27,
I
A2
26
I
XTAL1,
16
I
XTAL2
17
O
SOUT
11
O
GND CTS
20
36
I
DSR
37
I
DTR
33
O
RTS
32
O
BAUDOUT
15
O
ACTIVE LEVEL
H L
H L
H
L L
L
L
L
DESCRIPTION
DATA IN STRO
Features
- Single Chip UART/BRG.
- DC to 625K Baud (DC to 10MHz Clock).
- Crystal or External Clock Input.
- On Chip Baud Rate Generator 1 to 65535 Divisor
Generates 16X Clock.
- Prioritized Interrupt Mode.
- Fully TTL/CMOS Compatible.
- Microprocessor Bus Oriented Interface.
- 80C86/80C88 Compatible.
- Scaled SAJI IV CMOS Process.
- Low Power - 1mA/MHz Typical.
- Modem Interface.
- Line Break Generation and Detection.