XR16C872 查看數據表（PDF） - Exar Corporation
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XR16C872 Datasheet PDF : 60 Pages
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Preliminary
XR16C872
XR16C872
XTAL1
XTAL2
22.1184MHz
*22-33pF
*22-33pF
GND
GND
*Consult with crystal manufacturer for the proper loading capacitance
Figure 5. Crystal Osc. Ext. Components
Output
Baud Rate
MCR
BIT-7=1
50
75
150
300
600
1200
2400
4800
7200
9600
19.2k
38.4k
57.6k
115.2k
Output
Baud Rate
MCR
Bit-7=0
User
16 x Clock
Divisor
(Decimal)
User
16 x Clock
Divisor
(HEX)
200
2304
900
300
1536
600
600
768
300
1200
384
180
2400
192
C0
4800
96
60
9600
48
30
19.2K
24
18
28.8K
16
10
38.4k
12
0C
76.8k
6
06
153.6k
3
03
230.4k
2
02
460.8k
1
01
DLM
Program
Value
(HEX)
09
06
03
01
00
00
00
00
00
00
00
00
00
00
DLL
Program
Value
(HEX)
00
00
00
80
C0
60
30
18
10
0C
06
03
02
01
Table 3. Baud Rate Generator Standard Programming Table with 7.3728 MHz Clock
Rev. P1.00
21
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