OX16C950 OXFORD [Oxford Semiconductor], OX16C950 Datasheet - Page 3

• Manufacturer Part Number: OX16C950
• Description: High Performance UART with 128 byte FIFOs
• Manufacturer: OXFORD [Oxford Semiconductor]

C
FEATURES....................................................................................................................................................................................... 1
REV B ENHANCEMENTS................................................................................................................................................................ 1
DESCRIPTION ................................................................................................................................................................................. 2
CONTENTS ...................................................................................................................................................................................... 3
1 PERFORMANCE COMPARISON .............................................................................................................................................. 5
2 BLOCK DIAGRAM ..................................................................................................................................................................... 6
3 PIN INFORMATION.................................................................................................................................................................... 7
4 PIN DESCRIPTIONS .................................................................................................................................................................. 8
4.1
5 MODE SELECTION.................................................................................................................................................................. 13
5.1
5.2
5.3
5.4
5.5
5.6
6 REGISTER DESCRIPTION TABLES....................................................................................................................................... 15
7 RESET CONFIGURATION....................................................................................................................................................... 19
7.1
7.2
8 TRANSMITTER & RECEIVER FIFOS...................................................................................................................................... 20
8.1
9 LINE CONTROL & STATUS .................................................................................................................................................... 21
9.1
9.2
9.3
10 INTERRUPTS & SLEEP MODE............................................................................................................................................... 23
10.1
10.2
10.3
10.4
11 MODEM INTERFACE............................................................................................................................................................... 25
11.1
11.2
12 OTHER STANDARD REGISTERS .......................................................................................................................................... 27
12.1
12.2
13 AUTOMATIC FLOW CONTROL .............................................................................................................................................. 28
13.1
13.2
13.3
13.4
14 BAUD RATE GENERATION.................................................................................................................................................... 30
14.1
14.2
14.3
14.4
14.5
Data Sheet Revision 1.2
OXFORD SEMICONDUCTOR LTD.
ONTENTS
F
450 M
550 M
E
750 M
650 M
950 M
H
S
FIFO C
F
L
L
I
I
I
S
M
M
D
S
E
S
A
A
G
C
T
I
TTL C
NTERRUPT
NTERRUPT
NTERRUPT
NPUT
INE
INE
URTHER
ALSE
IMES
XTENDED
OFTWARE
LEEP
CRATCH
NHANCED
PECIAL
UTOMATIC
UTOMATIC
ARDWARE
IVISOR
LOCK
ENERAL
ODEM
ODEM
C
S
C
ODE
ODE
ODE
ODE
ODE
TATUS
C
LOCK
ONTROL
S
M
P
ONTROL
LOCK
C
S
LOCK
TART
L
ODE
C
RESCALER
P
ONTROL
TATUS
ATCH
P
O
HARACTER
........................................................................................................................................................................... 13
........................................................................................................................................................................... 13
........................................................................................................................................................................... 13
........................................................................................................................................................................... 13
........................................................................................................................................................................... 14
550 M
IN
E
S
D
F
R
AD
PERATION
R
I
O
M
N
EATURES
NABLE
TATUS
ESCRIPTION
ESET
R
....................................................................................................................................................................... 25
ESET
O
I
B
UT
-
R
ODULE
NFORMATION
R
BAND
EGISTER
R
IT
R
EGISTER
PTIONS
R
EGISTER
-
R
EGISTER
OF
EGISTERS
D
ODE
EGISTER
R
EGISTER
............................................................................................................................................................... 19
............................................................................................................................................................... 19
ETECTION
R
R
R
-
EGISTER
F
BAND
........................................................................................................................................................... 33
EGISTER
EGISTER
EGISTER
D
.......................................................................................................................................................... 13
.......................................................................................................................................................... 30
LOW
R
ETECTION
........................................................................................................................................................ 33
‘LSR’.............................................................................................................................................. 22
EGISTER
‘TCR’............................................................................................................................................. 31
..................................................................................................................................................... 24
‘SPR’ ........................................................................................................................................... 27
‘LCR’ ........................................................................................................................................... 21
F
‘FCR’ ......................................................................................................................................... 20
C
‘MSR’ ........................................................................................................................................ 26
‘DLL & DLM’............................................................................................................................. 27
................................................................................................................................................. 11
LOW
ONTROL
‘MCR’ ..................................................................................................................................... 25
............................................................................................................................................... 21
‘IER’ ..................................................................................................................................... 23
‘ISR’ ..................................................................................................................................... 24
‘CPR’.................................................................................................................................... 31
C
‘EFR’................................................................................................................................ 28
......................................................................................................................................... 29
ONTROL
................................................................................................................................... 29
........................................................................................................................... 29
OX16C950 rev B
Page 3