xr16m2650im48 Exar Corporation, xr16m2650im48 Datasheet - Page 11

• Manufacturer Part Number: xr16m2650im48
• Description: High Performance Low Voltage Duart With 32-byte Fifo
• Manufacturer: Exar Corporation

REV. 1.0.2
F
IGURE
Output Data
Required
1000000
100000
153600
200000
225000
230400
250000
300000
400000
460800
500000
750000
921600
115200
10000
19200
25000
28800
38400
50000
57600
75000
2400
4800
9600
Rate
400
5. B
T
ABLE
AUD
5: T
XTAL2
XTAL1
D
R
IVISOR FOR
ATE
YPICAL DATA RATES WITH A
(Decimal)
52.0833
39.0625
26.0417
13.0208
156.25
78.125
9.7656
6.6667
6.5104
3.2552
1.6276
Clock
312.5
3750
3.75
625
150
G
7.5
1.5
60
30
20
15
6
5
3
2
ENERATOR
16x
Crystal
Buffer
Osc/
O
To Other
Channel
BTAINABLE IN
312 8/16
156 4/16
78 2/16
52 1/16
39 1/16
26 1/16
D
9 12/16
6 11/16
3 12/16
1 10/16
HIGH PERFORMANCE LOW VOLTAGE DUART WITH 32-BYTE FIFO
M2650
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
Prescaler
24 MH
DLM P
V
ALUE
Z CRYSTAL OR EXTERNAL CLOCK AT
11
E
ROGRAM
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
MCR Bit-7=0
MCR Bit-7=1
(HEX)
(default)
DLL, DLM and DLD
Fractional Baud
Rate Generator
DLL P
V
Registers
Logic
ALUE
A6
9C
4E
3C
1E
1A
71
38
96
34
27
14
D
F
9
7
6
6
6
5
3
3
3
2
1
1
ROGRAM
(HEX)
16X or 8X or 4X
and Receiver
to Transmitter
DLD P
V
Rate Clock
Sampling
ALUE
16X S
ROGRAM
C
B
C
A
0
0
8
4
0
2
0
1
1
0
1
0
0
0
8
8
0
0
4
0
0
8
(HEX)
XR16M2650
AMPLING
D
ATA
R
ATE
0.04
0.08
0.16
0.16
0.31
0.16
0.16
0.16
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
E
RROR
(%)