參數(shù)資料
型號： ST16C1450
廠商： Exar Corporation
英文描述： 2.97V TO 5.5V UART
中文描述： 2.97V至5.5V的UART
文件頁數(shù)： 20/32頁
文件大?。?/td> 355K
代理商： ST16C1450
ST16C1450/51
2.97V TO 5.5V UART
á
REV. 4.2.0
20
LSR[2]: Receive Data Parity Error Tag
Logic 0 = No parity error (default).
Logic 1 = Parity error. The received character in RHR does not have correct parity information and is suspect.
This error is associated with the character available for reading in RHR.
LSR[3]: Receive Data Framing Error Tag
Logic 0 = No framing error (default).
Logic 1 = Framing error. The received character did not have a valid stop bit(s). This error is associated with
the character available for reading in RHR.
LSR[4]: Receive Break Error Tag
Logic 0 = No break condition (default).
Logic 1 = The receiver received a break signal (RX was a logic 0 for at least one character frame time).
LSR[5]: Transmit Holding Register Empty Flag
This bit is the Transmit Holding Register Empty indicator. The THR bit is set to a logic 1 when the data byte is
transferred from the transmit holding register to the transmit shift register. The bit is reset to logic 0 concurrently
with the data loading to the transmit holding register by the host.
LSR[6]: THR and TSR Empty Flag
This bit is set to a logic 1 whenever the transmitter goes idle. It is set to logic 0 whenever either the THR or TSR
contains a data character.
LSR[7]: Reserved
4.8
Modem Status Register (MSR) - Read Only
This register provides the current state of the modem interface input signals. Lower four bits of this register are
used to indicate the changed information. These bits are set to a logic 1 whenever a signal from the modem
changes state. These bits may be used for general purpose inputs when they are not used with modem
signals.
MSR[0]: Delta CTS# Input Flag
Logic 0 = No change on CTS# input (default).
Logic 1 = The CTS# input has changed state since the last time it was monitored. A modem status interrupt
will be generated if MSR interrupt is enabled (IER bit-3).
MSR[1]: Delta DSR# Input Flag
Logic 0 = No change on DSR# input (default).
Logic 1 = The DSR# input has changed state since the last time it was monitored. A modem status interrupt
will be generated if MSR interrupt is enabled (IER bit-3).
MSR[2]: Delta RI# Input Flag
Logic 0 = No change on RI# input (default).
Logic 1 = The RI# input has changed from a logic 0 to a logic 1, ending of the ringing signal. A modem status
interrupt will be generated if MSR interrupt is enabled (IER bit-3).
MSR[3]: Delta CD# Input Flag
Logic 0 = No change on CD# input (default).
Logic 1 = Indicates that the CD# input has changed state since the last time it was monitored. A modem
status interrupt will be generated if MSR interrupt is enabled (IER bit-3).
MSR[4]: CTS Input Status
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ST16C1450_05 制造商:EXAR 制造商全稱:EXAR 功能描述:2.97V TO 5.5V UART
ST16C1450CJ28 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述:
ST16C1450CJ28-F 功能描述:IC UART FIFO 1B 28PLCC RoHS:是 類別:集成電路 (IC) >> 接口 - UART（通用異步接收器/發(fā)送器） 系列:- 標(biāo)準(zhǔn)包裝:250 系列:- 特點:* 通道數(shù):2，DUART FIFO's:16 字節(jié) 規(guī)程:RS232，RS485 電源電壓:2.25 V ~ 5.5 V 帶并行端口:- 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:48-TQFP 供應(yīng)商設(shè)備封裝:48-TQFP（7x7） 包裝:托盤 其它名稱:XR16L2551IM-F-ND
ST16C1450CJ28TR-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
ST16C1450CP28 制造商:EXAR 制造商全稱:EXAR 功能描述:2.97V TO 5.5V UART
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