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参数资料
| 型号： | XR21V1414IM-0A-EB |
| 厂商： | Exar Corporation |
| 文件页数： | 17/34页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR XR21V1414IM |
| 产品培训模块： | UART Product Overview XR21V141x Full-Speed USB UART Family |
| 标准包装： | 1 |
| 主要目的： | 接口，USB 2.0 至 UART |
| 嵌入式： | 否 |
| 已用 IC / 零件： | XR21V1414IM |
| 已供物品： | 板 |
| 相关产品： | 1016-1304-ND - IC UART FIFO USB QUAD 48TQFP |
| 其它名称： | 1016-1303 |
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XR21V1414
24
4-CH FULL-SPEED USB UART
REV. 1.3.0
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.
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 14.
For behavior in the Address Match with TX Flow Control mode, see “Section 1.5.9, Multidrop Mode with
address matching” on page 14.
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 14.
For behavior in the Address Match with TX Flow Control mode, see “Section 1.5.10, Programmable Turn-
Around Delay” on page 14.
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| XR21V1414IM-0B-EB | 功能描述:界面开发工具 For XR21V1414 TQFP48 USB, RS232;No Cables RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V |
| XR21V1414IM48 | 制造商:EXAR 制造商全称:EXAR 功能描述:4-CH FULL-SPEED USB UART |
| XR21V1414IM48-F | 功能描述:USB 接口集成电路 4-Ch 12Mbps 48MHz Internal clock; UART RoHS:否 制造商:Cypress Semiconductor 产品:USB 2.0 数据速率: 接口类型:SPI 工作电源电压:3.15 V to 3.45 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:WLCSP-20 |
| XR21V1414IM48-F | 制造商:Exar Corporation 功能描述:IC QUAD UART 12MBPS 3.63V 48-TQFP |
| XR21V1414IM48TR-F | 制造商:Exar Corporation 功能描述:USB-to-UART 4-CH 128Byte FIFO 48-Pin TQFP T/R 制造商:Exar Corporation 功能描述:XR21V1414 Series 12 Mbps 3.63 V Quad Channel USB UART SMT - TQFP-48 制造商:Exar Corporation 功能描述:XR21V1414IM48TR-F 制造商:EXAR 功能描述:USB-to-UART 4-CH 128Byte FIFO 48-Pin TQFP T/R |
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