REV. 1.3.0 2-CH FULL-SPEED USB UART For baud rates that are not listed in the table above, use the index value calcuated using the" />
參數(shù)資料
型號(hào): XR21V1412IL32-F
廠商: Exar Corporation
文件頁數(shù): 11/32頁
文件大?。?/td> 0K
描述: IC UART FIFO USB DUAL 32QFN
產(chǎn)品培訓(xùn)模塊: UART Product Overview
XR21V141x Full-Speed USB UART Family
特色產(chǎn)品: XR21V141x Full-Speed USB UART
標(biāo)準(zhǔn)包裝: 490
特點(diǎn): *
通道數(shù): 2,DUART
FIFO's: 128 字節(jié),384 字節(jié)
規(guī)程: USB 2.0
電源電壓: 2.97 V ~ 3.63 V
帶自動(dòng)流量控制功能:
安裝類型: 表面貼裝
封裝/外殼: 32-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 32-QFN 裸露焊盤(5x5)
包裝: 托盤
配用: 1016-1301-ND - EVAL BOARD FOR XR21V1412IL
其它名稱: 1016-1302
XR21V1412
19
REV. 1.3.0
2-CH FULL-SPEED USB UART
For baud rates that are not listed in the table above, use the index value calcuated using the formula in
“Section 3.3.3, TX_CLOCK_MASK0, TX_CLOCK_MASK1 Register Description (Read/Write)” on page 18
to determine which TX Clock and RX Clock Mask register values to use from Table 9. For the the RX Clock
Mask register, there are 2 values listed and would depend on whether the Clock Divisor is even or odd. For
even Clock Divisors, use the value from the first column. For odd Clock Divisors, use the value from the last
column.
TABLE 8: CLOCK DIVISOR AND CLOCK MASK VALUES FOR COMMON BAUD RATES
BAUD RATE (BPS)
CLOCK DIVISOR (DECIMAL)
TX CLOCK MASK (HEX)
RX CLOCK MASK (HEX)
1200
40000
0x0000
2400
20000
0x0000
4800
10000
0x0000
9600
5000
0x0000
19200
2500
0x0000
38400
1250
0x0000
57600
833
0x0912
0x0924
115200
416
0x0B6D
0x0B6A
230400
208
0x0912
0x0924
460800
104
0x0208
0x0040
500000
96
0x0000
576000
83
0x0912
0x0924
921600
52
0x0040
0x0000
1000000
48
0x0000
1152000
41
0x0B6D
0x0DB6
1500000
32
0x0000
2000000
24
0x0000
2500000
19
0x0104
0x0108
3000000
16
0x0000
3125000
15
0x0492
3500000
13
0x076D
0x0BB6
4000000
12
0x0000
4250000
11
0x0122
0x0224
6250000
7
0x0B6D
0x0DB6
8000000
6
0x0000
12000000
4
0x0000
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