TABLE 5: TYPICAL DATA RATES WITH A 24 MH<" />
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參數(shù)資料
| 型號(hào): |
XR19L402IL48-F |
| 廠商: |
Exar Corporation |
| 文件頁(yè)數(shù): |
4/49頁(yè) |
| 文件大?。?/td>
| 0K |
| 描述: |
IC UART/TXRX RS485 48QFN |
| 標(biāo)準(zhǔn)包裝: |
260 |
| 特點(diǎn): |
*
|
| 通道數(shù): |
2,DUART
|
| FIFO's: |
64 字節(jié)
|
| 規(guī)程: |
RS485
|
| 電源電壓: |
3.3V,5V
|
| 帶自動(dòng)流量控制功能: |
是
|
| 帶IrDA 編碼器/解碼器: |
是
|
| 帶故障啟動(dòng)位檢測(cè)功能: |
是
|
| 帶調(diào)制解調(diào)器控制功能: |
是
|
| 帶CMOS: |
是
|
| 安裝類型: |
表面貼裝
|
| 封裝/外殼: |
48-VFQFN 裸露焊盤(pán)
|
| 供應(yīng)商設(shè)備封裝: |
48-QFN-EP(7x7)
|
| 包裝: |
托盤(pán)
|

TABLE 5: TYPICAL DATA RATES WITH A 24 MHZ CRYSTAL OR EXTERNAL CLOCK AT 16X SAMPLING
Required
Output Data
Rate
DIVISOR FOR 16x
Clock
(Decimal)
DIVISOR
OBTAINABLE IN
L402
DLM PROGRAM
VALUE (HEX)
DLL PROGRAM
VALUE (HEX)
DLD PROGRAM
VALUE (HEX)
DATA ERROR
RATE (%)
400
3750
E
A6
0
2400
625
2
71
0
4800
312.5
312 8/16
1
38
8
0
9600
156.25
156 4/16
0
9C
4
0
10000
150
0
96
0
19200
78.125
78 2/16
0
4E
2
0
25000
60
0
3C
0
28800
52.0833
52 1/16
0
34
1
0.04
38400
39.0625
39 1/16
0
27
1
0
50000
30
0
1E
0
57600
26.0417
26 1/16
0
1A
1
0.08
75000
20
0
14
0
100000
15
0
F
0
115200
13.0208
13
0
D
0
0.16
153600
9.7656
9 12/16
0
9
C
0.16
200000
7.5
7 8/16
0
7
8
0
225000
6.6667
6 11/16
0
6
B
0.31
230400
6.5104
6 8/16
0
6
8
0.16
250000
6
0
6
0
300000
5
0
5
0
400000
3.75
3 12/16
0
3
C
0
460800
3.2552
3 4/16
0
3
4
0.16
500000
3
0
3
0
750000
2
0
2
0
921600
1.6276
1 10/16
0
1
A
0.16
1000000
1.5
1 8/16
0
1
8
0
XR19L402
12
TWO CHANNEL INTEGRATED UART AND RS-485 TRANSCEIVER
REV. 1.0.3
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