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參數(shù)資料
| 型號： | XR16L2550 |
| 廠商： | Exar Corporation |
| 英文描述： | LOW VOLTAGE DUART WITH 16-BYTE FIFO |
| 中文描述： | 低壓杜阿爾特16字節(jié)FIFO |
| 文件頁數(shù)： | 14/45頁 |
| 文件大小： | 278K |
| 代理商： | XR16L2550 |
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XR16L2550
LOW VOLTAGE DUART WITH 16-BYTE FIFO
á
REV. 1.0.0
14
2.12
Automatic RTS hardware flow control is used to prevent data overrun to the local receiver FIFO. The RTS#
output is used to request remote unit to suspend/resume data transmission. The auto RTS flow control features
is enabled to fit specific application requirement (see
Figure 11
):
- Enable auto RTS flow control using EFR bit-6.
- The auto RTS function must be started by asserting RTS# output pin (MCR bit-1 to logic 1 after it is enabled).
- Enable RTS interrupt through IER bit-6 (after setting EFR bit-4). The UART issues an interrupt when the
RTS# pin makes a transition from low to high: ISR bit-5 will be set to logic 1.
2.13
Auto CTS Flow Control
Automatic CTS flow control is used to prevent data overrun to the remote receiver FIFO. The CTS# input is
monitored to suspend/restart the local transmitter. The auto CTS flow control feature is selected to fit specific
application requirement (see
Figure 11
):
- Enable auto CTS flow control using EFR bit-7.
- Enable CTS interrupt through IER bit-7 (after setting EFR bit-4). The UART issues an interrupt when the
CTS# pin is de-asserted (logic 1): ISR bit-5 will be set to 1, and UART will suspend transmission as soon as the
stop bit of the character in process is shifted out. Transmission is resumed after the CTS# input is re-asserted
(logic 0), indicating more data may be sent.
Auto RTS (Hardware) Flow Control
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| XR16L2551 | LOW VOLTAGE DUART WITH POWERSAVE |
| XR16L2551IL | LOW VOLTAGE DUART WITH POWERSAVE |
| XR16L2551IM | LOW VOLTAGE DUART WITH POWERSAVE |
| XR16L2552IJ | 2.25V TO 5.5V DUART WITH 16-BYTE FIFO |
| XR16L2552IM | 2.25V TO 5.5V DUART WITH 16-BYTE FIFO |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XR16L2550_07 | 制造商:EXAR 制造商全稱:EXAR 功能描述:LOW VOLTAGE DUART WITH 16-BYTE FIFO |
| XR16L2550IJ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| XR16L2550IJ-F | 功能描述:UART 接口集成電路 UART RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
| XR16L2550IL | 功能描述:UART 接口集成電路 UART RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
| XR16L2550IL-0A-EB | 功能描述:UART 接口集成電路 Supports L2550 32pin QFN, ISA Interface RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
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