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參數(shù)資料
| 型號： | XR16V2552IL-F |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 29/46頁 |
| 文件大小： | 0K |
| 描述： | IC UART FIFO 16B DUAL 32QFN |
| 標準包裝： | 490 |
| 特點： | * |
| 通道數(shù)： | 2，DUART |
| FIFO's： | 16 字節(jié) |
| 規(guī)程： | RS232，RS422 |
| 電源電壓： | 2.25 V ~ 3.6 V |
| 帶自動流量控制功能： | 是 |
| 帶IrDA 編碼器/解碼器： | 是 |
| 帶故障啟動位檢測功能： | 是 |
| 帶調制解調器控制功能： | 是 |
| 帶CMOS： | 是 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-VFQFN 裸露焊盤 |
| 供應商設備封裝： | 32-QFN 裸露焊盤（5x5） |
| 包裝： | 托盤 |
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XR16V2552
35
REV. 1.0.3
HIGH PERFORMANCE DUART WITH 16-BYTE FIFO
EFR[5]: Special Character Detect Enable
Logic 0 = Special Character Detect Disabled (default).
Logic 1 = Special Character Detect Enabled. The UART compares each incoming receive character with
data in Xoff-2 register. If a match exists, the receive data will be transferred to FIFO and ISR bit-4 will be set
to indicate detection of the special character. Bit-0 corresponds with the LSB bit of the receive character. If
flow control is set for comparing Xon1, Xoff1 (EFR [1:0]= ‘10’) then flow control and special character work
normally. However, if flow control is set for comparing Xon2, Xoff2 (EFR[1:0]= ‘01’) then flow control works
normally, but Xoff2 will not go to the FIFO, and will generate an Xoff interrupt and a special character
interrupt, if enabled via IER bit-5.
EFR[6]: Auto RTS Flow Control Enable
RTS# output may be used for hardware flow control by setting EFR bit-6 to logic 1. When Auto RTS is
selected, an interrupt will be generated when the receive FIFO is filled to the selected trigger level and RTS de-
asserts HIGH at the next upper trigger level. RTS# will return LOW when FIFO data falls below the next lower
trigger level. The RTS# output must be asserted (LOW) before the auto RTS can take effect. RTS# pin will
function as a general purpose output when hardware flow control is disabled.
Logic 0 = Automatic RTS flow control is disabled (default).
Logic 1 = Enable Automatic RTS flow control.
EFR[7]: Auto CTS Flow Control Enable
Automatic CTS Flow Control.
Logic 0 = Automatic CTS flow control is disabled (default).
Logic 1 = Enable Automatic CTS flow control. Data transmission stops when CTS# input de-asserts HIGH.
Data transmission resumes when CTS# returns LOW.
4.15.1
Software Flow Control Registers (XOFF1, XOFF2, XON1, XON2) - Read/Write
These registers are used as the programmable software flow control characters xoff1, xoff2, xon1, and xon2.
For more details, see Table 7.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
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| XR16V2650 | 制造商:EXAR 制造商全稱:EXAR 功能描述:HIGH PERFORMANCE DUART WITH 32-BYTE FIFO |
| XR16V2650_07 | 制造商:EXAR 制造商全稱:EXAR 功能描述:HIGH PERFORMANCE DUART WITH 32-BYTE FIFO |
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| XR16V2650IL-0B-EB | 功能描述:UART 接口集成電路 Supports V2650 32pin QFN, PCI 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 |
| XR16V2650IL32 | 制造商:EXAR 制造商全稱:EXAR 功能描述:HIGH PERFORMANCE DUART WITH 32-BYTE FIFO |
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