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參數(shù)資料
| 型號： | XR16M681IB25-F |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 29/51頁 |
| 文件大小： | 0K |
| 描述： | IC UART FIFO 64B 25BGA |
| 標準包裝： | 714 |
| 特點： | * |
| 通道數(shù)： | 1，UART |
| FIFO's： | 64 字節(jié) |
| 規(guī)程： | RS232，RS422，RS485 |
| 電源電壓： | 1.62 V ~ 3.63 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(diào)制解調(diào)器控制功能： | 是 |
| 帶CMOS： | 是 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 25-WFBGA |
| 供應商設(shè)備封裝： | 25-BGA（3x3） |
| 包裝： | 托盤 |
| 其它名稱： | 1016-1458 XR16M681IB25-F-ND |
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XR16M681
35
REV. 1.0.1
1.62V TO 3.63V UART WITH 32-BYTE FIFO AND VLIO INTERFACE
MSR[4]: CTS Input Status
CTS# pin may function as automatic hardware flow control signal input if it is enabled and selected by Auto
CTS (EFR bit-7). Auto CTS Flow Control allows starting and stopping of local data transmissions based on the
modem CTS# signal. A HIGH on the CTS# pin will stop UART transmitter as soon as the current character has
finished transmission, and a LOW will resume data transmission. Normally MSR bit-4 bit is the complement of
the CTS# input. However in the loopback mode, this bit is equivalent to the RTS# bit in the MCR register. The
CTS# input may be used as a general purpose input when the modem interface is not used.
MSR[5]: DSR Input Status
Normally this bit is the complement of the DSR# input. In the loopback mode, this bit is equivalent to the DTR#
bit in the MCR register. The DSR# input may be used as a general purpose input when the modem interface is
not used.
MSR[6]: RI Input Status
Normally this bit is the complement of the RI# input. In the loopback mode this bit is equivalent to bit-2 in the
MCR register. The RI# input may be used as a general purpose input when the modem interface is not used.
MSR[7]: CD Input Status
Normally this bit is the complement of the CD# input. In the loopback mode this bit is equivalent to bit-3 in the
MCR register. The CD# input may be used as a general purpose input when the modem interface is not used.
4.10
Modem Status Register (MSR) - Write Only
This register provides the advanced features of XR16M681. Lower four bits of this register are reserved.
Writing to the higher four bits enables additional functions.
MSR[3:0]: Reserved
MSR[4]: Enable/Disable Transmitter (Requires EFR[4] = 1)
Logic 0 = Enable Transmitter (default).
Logic 1 = Disable Transmitter.
MSR[5]: Enable/Disable Receiver (Requires EFR[4] = 1)
Logic 0 = Enable Receiver (default).
Logic 1 = Disable Receiver.
MSR[6]: Enable/Disable 9-bit mode (Requires EFR[4] = 1)
For the 9-bit mode information, See ”Section 2.15, Normal Multidrop Mode” on page 18.
Logic 0 = Normal 8-bit mode (default).
Logic 1 = Enable 9-bit or Multidrop mode.
MSR[7]: Enable/Disable fast IR mode (Requires EFR[4] = 1)
The M681 supports the new fast IR transmission with data rate up to 1.152 Mbps.
Logic 0 = IrDA version 1.0, 3/16 pulse ratio, data rate up to 115.2 Kbps (default).
Logic 1 = IrDA version 1.1, 1/4 pulse ratio, data rate up to 1.152 Mbps. For more IR mode information, please
4.11
Scratch Pad Register (SPR) - Read/Write
This is a 8-bit general purpose register for the user to store temporary data. The content of this register is
preserved during sleep mode but becomes 0xFF (default) after a reset or a power off-on cycle.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XR16M681IL24 | 制造商:EXAR 制造商全稱:EXAR 功能描述:1.62V TO 3.63V UART WITH 32-BYTE FIFO AND VLIO INTERFACE |
| XR16M681IL24-0C-EB | 功能描述:界面開發(fā)工具 Eval Board for XR16M681IL24 Series RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
| XR16M681IL24-F | 功能描述:UART 接口集成電路 1.62-3.63V; 32-Byte FIFO & VLIO; 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 |
| XR16M681IL32 | 制造商:EXAR 制造商全稱:EXAR 功能描述:1.62V TO 3.63V UART WITH 32-BYTE FIFO AND VLIO INTERFACE |
| XR16M681IL32-0C-EB | 功能描述:界面開發(fā)工具 Eval Board for XR16M681IL32 Series RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
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