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參數(shù)資料
| 型號： | ST16C650AIJ44 |
| 廠商： | EXAR CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 2.90V TO 5.5V UART WITH 32-BYTE FIFO |
| 中文描述： | 1 CHANNEL(S), 3.125M bps, SERIAL COMM CONTROLLER, PQCC44 |
| 封裝： | PLASTIC, LCC-44 |
| 文件頁數(shù)： | 34/53頁 |
| 文件大?。?/td> | 666K |
| 代理商： | ST16C650AIJ44 |
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ST16C650A
2.90V TO 5.5V UART WITH 32-BYTE FIFO
á
REV. 5.0.0
34
XFR [4]: Xon-Any Enable
This bit enables and disables the Xon-Any function when Xon/Xoff software flow control is enabled.
Logic 0 = Disable the Xon-Any function.
Logic 1 = Enable the Xon-Any function. The receiver will use any received character as an Xon character
and resume data transmission.
XFR [5]: Invert Auto RS-485 Control Output
When Auto RS485 feature is enabled, XFR[2]=1, RTS# output automatically changes its logic state to control
the RS-485 transceiver.
Logic 0 = During auto RS-485, RTS# control output signal to the transceiver is logic 1 for transmit and logic 0
for receive.
Logic 1 = The RTS# output control signal to the transceiver is logic 0 for transmit and logic 1 for receive. User
must assert RTS# for operation to take effect.
XFR [7:6]: Reserved
4.10
Modem Status Register (MSR) - Read Only
This register provides the current state of the modem interface signals, or other peripheral device that the
UART is connected. 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 as general
purpose inputs/outputs 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
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 logic 1 on the CTS# pin will stop UART transmitter as soon as the current character
has finished transmission, and a logic 0 will resume data transmission. Normally MSR bit-4 bit is the
compliment 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
DSR#
(active high, logical 1). Normally this bit is the compliment 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.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| ST16C650AIJ44-F | 功能描述:UART 接口集成電路 UART W/32BYTEFIFO 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 |
| ST16C650AIP40 | 制造商:EXAR 制造商全稱:EXAR 功能描述:2.90V TO 5.5V UART WITH 32-BYTE FIFO |
| ST16C650AIQ48 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述:UART, 48 Pin, Plastic, TQFP |
| ST16C650AIQ48-F | 功能描述:UART 接口集成電路 UART W/32BYTEFIFO 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 |
| ST16C650AIQ48TR | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
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