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參數(shù)資料
| 型號： | XR16V598IQ100-F |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 38/58頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC UART FIFO 16B OCTAL 100QFP |
| 標(biāo)準(zhǔn)包裝： | 66 |
| 特點(diǎn)： | * |
| 通道數(shù)： | 8 |
| FIFO's： | 16 字節(jié) |
| 規(guī)程： | RS485 |
| 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(diào)制解調(diào)器控制功能： | 是 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 100-BQFP |
| 供應(yīng)商設(shè)備封裝： | 100-QFP（14x20） |
| 包裝： | 托盤 |
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XR16V598
43
REV. 1.0.3
2.25V TO 3.6V HIGH PERFORMANCE OCTAL UART WITH 16-BYTE FIFO
MSR [2]: Receiver Disable
This bit can be used to disable the receiver by halting the Receive Shift Register (RSR). When this bit is set to
a logic 1, the receiver will operate in one of the following ways:
■ If a character is being received at the time of setting this bit, that character will be correctly received. No
more characters will be received.
■ If the receiver is idle at the time of setting this bit, one character will still be received fully. No more
characters will be received.
The receiver can be enabled and will start receiving characters by resetting this bit to a logic 0. The receiver
will operate in one of the following ways:
■ If the receiver is idle (RX pin is HIGH) at the time of setting this bit, the next character will be received
normally. It is recommended that the receiver be idle when resetting this bit to a logic 0.
■ If the receiver is not idle (RX pin is toggling) at the time of setting this bit, the RX FIFO will be filled with
unknown data.
Any data that is in the RX FIFO can be read out at any time whether the receiver is disabled or not.
Logic 0 = Enable Receiver (default).
Logic 1 = Disable Receiver.
MSR[1]: Reserved
MSR[0]: 9-bit or Multidrop Mode Enable
This bit enables 9-bit or Multidrop mode. See “Section 2.13, Auto RS-485 Half-duplex Control” on page 18
for complete details.
Logic 0 = Normal 8-bit mode
Logic 1 = Enable 9-bit or Multidrop mode
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.
4.12
Feature Control Register (FCTR) - Read/Write
This register controls the UART enhanced functions that are not available on ST16C554 or ST16C654.
FCTR[7:6]: Reserved
FCTR[5]: Auto RS485 Enable
Auto RS485 half duplex control enable/disable.
Logic 0 = Standard ST16C550 mode. Transmitter generates an interrupt when transmit holding register
(THR) becomes empty. Transmit Shift Register (TSR) may still be shifting data bit out.
Logic 1 = Enable Auto RS485 half duplex direction control. RTS# output changes its logic level from HIGH to
LOW when finished sending the last stop bit of the last character out of the TSR register. It changes from
LOW to HIGH when a data byte is loaded into the THR or transmit FIFO. The change to HIGH occurs prior
sending the start-bit. It also changes the transmitter interrupt from transmit holding to transmit shift register
(TSR) empty.
FCTR[4]: Infrared RX Input Logic Select
Logic 0 = Select RX input as active HIGH encoded IrDA data, normal, (default).
Logic 1 = Select RX input as active LOW encoded IrDA data, inverted.
FCTR [3:0] - Reserved
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XR16V654 | 制造商:EXAR 制造商全稱:EXAR 功能描述:2.25V TO 3.6V QUAD UART WITH 64-BYTE FIFO |
| XR16V654_0709 | 制造商:EXAR 制造商全稱:EXAR 功能描述:2.25V TO 3.6V QUAD UART WITH 64-BYTE FIFO |
| XR16V654D | 制造商:EXAR 制造商全稱:EXAR 功能描述:2.25V TO 3.6V QUAD UART WITH 64-BYTE FIFO |
| XR16V654DIV | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| XR16V654DIV-0A-EB | 功能描述:UART 接口集成電路 Supports V654 64 ld LQFP, 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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