參數(shù)資料
型號(hào)： ST16C2451
廠商： Exar Corporation
英文描述： 2.97V TO 5.5V DUART
中文描述： 2.97V至5.5V杜阿爾特
文件頁(yè)數(shù)： 19/29頁(yè)
文件大?。?/td> 315K
代理商： ST16C2451
á
REV. 4.0.0
ST16C2450
2.97V TO 5.5V DUART
19
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
Normally this 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
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.
MSR[6]: RI Input Status
Normally this bit is the compliment 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 compliment 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.
4.9
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.
4.10
Baud Rate Generator Registers (DLL and DLM) - Read/Write
The Baud Rate Generator (BRG) is a 16-bit counter that generates the data rate for the transmitter. The rate is
programmed through registers DLL and DLM which are only accessible when LCR bit-7 is set to ‘1’.
See
“Programmable Baud Rate Generator” on page 8.
for more details.
相關(guān)PDF資料
PDF描述
ST16C2552CJ44 DUAL ASYNCHRONOUS RECEIVER/TRANSMITTER WITH FIFOs
ST16C2552IJ44 DUAL ASYNCHRONOUS RECEIVER/TRANSMITTER WITH FIFOs
ST162552 DUAL ASYNCHRONOUS RECEIVER/TRANSMITTER WITH FIFOs
ST16C2552CJ 2.97V TO 5.5V DUAL UART WITH 16-BYTE FIFO
ST16C2552IJ 2.97V TO 5.5V DUAL UART WITH 16-BYTE FIFO
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ST16C2550 制造商:EXAR 制造商全稱:EXAR 功能描述:2.97V TO 5.5V DUART WITH 16-BYTE FIFO
ST16C2550_04 制造商:EXAR 制造商全稱:EXAR 功能描述:2.97V TO 5.5V DUART WITH 16-BYTE FIFO
ST16C2550CJ-0A-EB 功能描述:界面開(kāi)發(fā)工具 Supports C2550 44 ld PLCC, ISA Interface RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評(píng)估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V
ST16C2550CJ44 制造商:EXAR 制造商全稱:EXAR 功能描述:2.97V TO 5.5V DUART WITH 16-BYTE FIFO
ST16C2550CJ44-F 功能描述:UART 接口集成電路 2.97V-5.5V 16B FIFO temp 0C to 70C; 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
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