xr16m2750 Exar Corporation, xr16m2750 Datasheet - Page 12

• Manufacturer Part Number: xr16m2750
• Description: High Performance Duart With 64-byte Fifo
• Manufacturer: Exar Corporation

XR16M2750
1.62V TO 3.63V HIGH PERFORMANCE DUART WITH 64-BYTE FIFO
F
IGURE
Output Data
Required
1000000
100000
115200
153600
200000
225000
230400
250000
300000
400000
460800
500000
750000
921600
10000
19200
25000
28800
38400
50000
57600
75000
Rate
2400
4800
9600
400
5. B
T
ABLE
AUD
5: T
XTAL2
XTAL1
R
ATE
YPICAL DATA RATES WITH A
D
16x Clock
(Decimal)
IVISOR FOR
52.0833
39.0625
26.0417
13.0208
156.25
78.125
9.7656
6.6667
6.5104
3.2552
1.6276
312.5
3750
G
3.75
625
150
7.5
1.5
60
30
20
15
6
5
3
2
ENERATOR
Crystal
Buffer
Osc/
O
BTAINABLE IN
To Other
312 8/16
156 4/16
Channel
78 2/16
52 1/16
39 1/16
26 1/16
D
9 12/16
3 12/16
1 10/16
6 11/16
M2750
7 8/16
6 8/16
3 4/16
1 8/16
3750
IVISOR
625
150
60
30
20
15
13
6
5
3
2
Divide by 4
Divide by 1
Prescaler
24 MH
Prescaler
DLM P
V
ALUE
Z CRYSTAL OR EXTERNAL CLOCK AT
12
ROGRAM
E
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
(HEX)
MCR Bit-7=0
MCR Bit-7=1
(default)
DLL, DLM and DLD
Fractional Baud
Rate Generator
DLL P
V
ALUE
Registers
Logic
A6
9C
4E
3C
1E
1A
71
38
96
34
27
14
D
ROGRAM
F
9
7
6
6
6
5
3
3
3
2
1
1
(HEX)
DLD P
and Receiver
to Transmitter
V
16X or 8X
ALUE
Rate Clock
Sampling
ROGRAM
C
B
C
A
16X S
0
0
8
4
0
2
0
1
1
0
1
0
0
0
8
8
0
0
4
0
0
8
(HEX)
AMPLING
D
ATA
R
ATE
0.04
0.08
0.16
0.16
0.31
0.16
0.16
0.16
REV. 1.0.0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
E
RROR
(%)