參數(shù)資料
型號： SC28L202
廠商： NXP Semiconductors N.V.
英文描述： Dual universal asynchronous receiver/transmitter DUART
中文描述： 雙路通用異步接收器/發(fā)送器杜阿爾特
文件頁數(shù)： 34/77頁
文件大?。?/td> 531K
代理商： SC28L202
Philips Semiconductors
Objective specification
SC28L202
Dual UART
2000 Feb 10
28
10111 Host Xoff (or transmitter pause) command (CRTXoff). This
command allows tight host CPU control of the flow control of the
channel transmitter. When interrupted for receipt of a Xoff
character by the receiver, the host may stop transmission of
further characters by the channel transmitter by issuing the Host
Xoff command. Any character that has been transferred to the
TxD shift register will complete its transmission, including the stop
bit before the transmitter pauses. Even though the transmitter is
paused it is still able to send Xon/Xoff by the request of its
associated receiver.
11000 Cancel Host transmit flow control command. Issuing this
command will cancel a previous command to transmit a flow
control character if the flow control character is not yet loaded into
the TxD Shift Register. If there is no character waiting for
transmission or if its transmission has already begun, then this
command has no effect and the character will be sent.
11001 Reserved
11010 Reserved
11011 Reset Address Recognition Status. This command clears
the interrupt status that was set when an address character was
recognized by a disabled receiver operating in the special mode.
11100 Reserved
11101 Block error status accumulates on FIFO read (Default
State)
11110 Reset to “C92” Register Set
11111 Reserved for channel B, for channel A: executes a chip
wide reset. Executing this command in channel a is equivalent to
a hardware reset with the RESET(N) pin. Executing in channel B
has no effect.
COMMAND REGISTER EXTENSION TABLE A and B
Commands 0x0F, 0x0F, 0xFF (marked with * ) are global and exist only in channel A’s register space.
Channel
Command
Code
CR[4:0]
Description
0 0000
NOP
0 0001
Set MR pointer to 1
0 0010
Reset Receiver
0 0011
Reset Transmitter
0 0100
Reset Error Status
0 0101
Reset Break Change Interrupt
0 0110
Begin Transmit Break
0 0111
End Transmit Break
0 1000
Assert RTSN (I/O0 B or I/O1 B)
0 1001
Negate RTSN (I/O0 B or I/O1 B)
0 1010
Set C/T Receiver time–out mode on
0 1011
Set MR pointer to 0
0 1100
Set C/T Receiver time–out mode off
0 1101
Block Error Status on RxFIFO load
0 1110
Power Down Mode On
0 1111
Disable Power Down Mode
Channel
Command
Channel
Command Code
Channel
Command
CR[4:0]
1 0000
1 0001
1 0010
1 0011
1 0100
1 0101
1 0110
1 0111
1 1000
1 1001
1 1010
1 1011
1 1100
1 1101
1 1110
1 1111
Description
Transmit Xon
Transmit Xoff
Start C/T
Stop C/T
Reserved
Reserved
Transmitter Resume Command (CRXoffRe)
Host Xoff Command (CRTXoff)
Cancel Transmit X Char Command (CRTX)
Reserved
Reserved
Reset Address Recognition Status
Reserved
Block Error Status on RxFIFO Read
Reserved
Reset Device as a Hardware reset. Reserved in channel B*
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SC28L202A1 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Dual universal asynchronous receiver/transmitter DUART
SC28L202A1B 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Dual universal asynchronous receiver/transmitter DUART
SC28L202A1D 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Dual universal asynchronous receiver/transmitter DUART
SC28L202A1DGG 功能描述:UART 接口集成電路 3-5V 2CH UART 3MBPS 256B FIFO 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
SC28L202A1DGG,112 功能描述:UART 接口集成電路 3-5V 2CH UART 3MBPS 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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