xr16v2650im Exar Corporation, xr16v2650im Datasheet - Page 11

• Manufacturer Part Number: xr16v2650im
• Description: High Performance Duart With 32-byte Fifo
• Manufacturer: Exar Corporation

REV. 1.0.2
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
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
7 8/16
6 8/16
3 4/16
1 8/16
V2650
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
HIGH PERFORMANCE DUART WITH 32-BYTE FIFO
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
MCR Bit-7=0
MCR Bit-7=1
(HEX)
(default)
DLL, DLM and DLD
Fractional Baud
Rate Generator
DLL P
V
Registers
ALUE
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)
16X or 8X or 4X
and Receiver
to Transmitter
DLD P
V
Rate Clock
ALUE
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
XR16V2650
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
(%)