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參數(shù)資料
| 型號(hào)： | XR21V1410IL16TR-F |
| 廠商： | Exar Corporation |
| 文件頁(yè)數(shù)： | 13/30頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC USB UART FIFO FULL SPD 16QFN |
| 產(chǎn)品培訓(xùn)模塊： | XR21V141x Full-Speed USB UART Family |
| 標(biāo)準(zhǔn)包裝： | 3,000 |
| 特點(diǎn)： | * |
| 通道數(shù)： | 1，UART |
| 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： | 是 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-VFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 16-QFN-EP（3x3） |
| 包裝： | 帶卷 (TR) |
| 配用： | 1016-1299-ND - EVAL BOARD FOR XR21V1410IL |
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XR21V1410
20
1-CH FULL-SPEED USB UART
REV. 1.4.0
FLOW_CONTROL[2:0]: Flow control mode select
FLOW_CONTROL[3]: Half-Duplex Mode
Logic 0 = Normal (full-duplex) mode. The UART can transmit and receive data at the same time.
Logic 1 = Half-duplex Mode. In half-duplex mode, any data on the RX pin is ignored when the UART is
transmitting data.
FLOW_CONTROL[7:4]: Reserved
These bits are reserved and should remain ’0’.
3.3.7
XON_CHAR, XOFF_CHAR Register Descriptions (Read/Write)
The XON_CHAR and XOFF_CHAR registers store the XON and XOFF characters, respectively, that are used
in the Automatic Software Flow control. If the V1410 is configured in multidrop mode, the XON_CHAR and
XOFF_CHAR registers are instead used for address matching.
XON_CHAR[7:0]: XON Character
In Automatic Software Flow control mode, the UART will resume data transmission when the XON character
has been received.
For behavior in the Address Match mode, see “Section 1.5.9, Multidrop Mode with address matching” on
page 10.
XOFF_CHAR[7:0]: XOFF Character
In Automatic Software Flow control mode, the UART will suspend data transmission when the XOFF character
has been received.
For behavior in the Address Match mode, see “Section 1.5.9, Multidrop Mode with address matching” on
page 10.
3.3.8
LOOPBACK_CTL Register Descriptions (Read/Write)
LOOPBACK_CTL[1:0]: Reserved
These bits are reserved and should remain ’0’.
LOOPBACK_CTL[2]: Enable
Logic 0 = Internal UART (TX to RX) loopback is disabled.
Logic 1 = Internal UART (TX to RX) loopback is enabled.
LOOPBACK_CTL[7:3]: Reserved
These bits are reserved and should remain ’0’.
TABLE 13: FLOW CONTROL MODE SELECTION
MODE
BIT-2 BIT-1 BIT-0
MODE DESCRIPTION
0
No flow control, no address matching.
1
0
1
HW flow control enabled. Auto RTS/CTS or DTR/DSR must be selected by
GPIO_MODE.
2
0
1
0
SW flow control enabled
3
0
1
Multidrop mode - RX only after address match, TX independent. (Typically
used with GPIO_MODE 3)
4
1
0
Multidrop mode - RX / TX only after address match. (Typically used with
GPIO_MODE 4)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XR21V1412 | 制造商:EXAR 制造商全稱:EXAR 功能描述:2-CH FULL-SPEED USB UART |
| XR21V1412_10 | 制造商:EXAR 制造商全稱:EXAR 功能描述:2-CH FULL-SPEED USB UART |
| XR21V1412IL-0A-EB | 功能描述:界面開發(fā)工具 EVAL BOARD FOR XR21V1412IL32-F RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評(píng)估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
| XR21V1412IL-0B-EB | 功能描述:界面開發(fā)工具 For XR21V1412 QFN32 USB, RS232;No Cables RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評(píng)估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
| XR21V1412IL32 | 制造商:EXAR 制造商全稱:EXAR 功能描述:2-CH FULL-SPEED USB UART |
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