
January 99
M16450 UART MACRO
Data Sheet
Logic Design Solutions
2/10
1.
DESCRIPTION ............................................................................................................................................................ 3
1.1
1.2
1.3
1.4
1.5
S
YMBOL
..................................................................................................................................................................... 3
P
IN
D
ESCRIPTION
........................................................................................................................................................ 3
F
UNCTIONAL
D
ESCRIPTION
......................................................................................................................................... 4
R
EGISTER
A
DDRESS
M
AP
........................................................................................................................................... 5
R
EGISTERS
.................................................................................................................................................................. 5
1.5.1
Receiver buffer register.................................................................................................................................... 5
1.5.2
Transmitter buffer register............................................................................................................................... 5
1.5.3
Divisor register ................................................................................................................................................ 5
1.5.4
Interrupt Enable Register................................................................................................................................. 5
1.5.5
Interrupt Identification Register....................................................................................................................... 6
1.5.6
Line Control Register....................................................................................................................................... 6
1.5.7
MODEM Control Register ............................................................................................................................... 7
1.5.8
Line Status Register.......................................................................................................................................... 7
1.5.9
MODEM status register ................................................................................................................................... 8
1.6
W
RITE CYCLE
............................................................................................................................................................. 9
1.7
R
EAD CYCLE
............................................................................................................................................................... 9
2.
SPECIFICITY AND RECALL ................................................................................................................................. 10
3.
TOOL VERSION USED............................................................................................................................................ 10
4.
RECOMMENDED DESIGN EXPERIENCE.......................................................................................................... 10
5.
AVAILABLE SUPPORT PRODUCTS.................................................................................................................... 10
6.
ORDERING INFORMATION.................................................................................................................................. 10
7.
RELATED INFORMATION.................................................................................................................................... 10