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參數(shù)資料

型號(hào)：	SC28L198C1A
廠商：	NXP SEMICONDUCTORS
元件分類：	微控制器/微處理器
英文描述：	Cable Ties; Color:Black; Pack Quantity:100
中文描述：	8 CHANNEL(S), 1M bps, SERIAL COMM CONTROLLER, PQCC84
封裝：	PLASTIC, MO-047AF, SOT-189-3, LCC-84
文件頁數(shù)：	23/56頁
文件大?。?/td>	345K
代理商：	SC28L198C1A

Philips Semiconductors

Product specification

SC28L198

Octal UART for 3.3V and 5V supply voltage

1999 Jan 14

mechanism to initialize all the Xoff Character registers to a

default value with one write. Execution of this command

is immediate and does not effect the timing of subsequent

host I/O operations.

Xoff resume command (CRXoffre; not active in

“Auto-Transmit Mode”). A command to cancel a previous

Host Xoff command. Upon receipt, the channel’s

transmitter will transfer a character, if any, from the

TxFIFO and begin transmission.

Host Xoff command (CRXoff). This command allows tight

host CPU control of the flow control of the channel

transmitter. When interrupted for receipt of an 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.

Cancel Host transmit flow control command. Issuing this

command will cancel a previous transmit command if the

10110

10111

11000

flow control character is not yet loaded into the TxD Shift

or if its transmission has already begun, then this

command has no effect.

11001–11011

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.

11100–11101

Reserved

11110

Resets all UART channel registers. This command

provides a means to zero all the UART channels that are

not reset to x’00 by a reset command or a hardware reset.

11111

Reserved for channels b-h, for channel a: executes a chip

wide reset. Executing this command in channel a is

equivalent to a hardware reset with the RESETN pin.

Executing in channel b-h, has no effect.

Table 9. Command Register Code

Channel Command

Code

Command

00000

NOP

00001

Reserved

00101

Reset Break Change Interrupt

00110

Begin Transmit Break

01010

Set time–out mode on

01011

Reserved

01111

Reserved

ááááááááááááááááááááááááááááááááá

áááááááááááááááááááááááááááááááá

ááááááááááááááááááááááááááááááááá

Break

ááááááááááááááááááááááááááááááááá

ááááááááá

Code

ááááá

10000

10001

10101

10110

11010

11011

11111

Command

Transmit Xon

Transmit Xoff

Gang Load Xoff Character Registers DC3 *

Xoff Resume Command

Reserved

Reset Address Recognition Status

Reset Device *

Channel

ááááááááááááááááááááááááááááááááá

áááááááááááááááááááááááááááááá

Error

0 – No

ááá

0 – No

ááá

0 – No

ááá

0 – No

áááá

0 – No

ááá

0 – No

ááá

SR[7] – Received Break

This bit indicates that an all zero character of the programmed

length has been received without a stop bit. Only a single FIFO

position is occupied when a break is received; further entries to the

FIFO are inhibited until the RxD line returns to the marking state for

at least one half bit time (two successive edges of the internal or

external 1x clock). When this bit is set, the change in break bit in

the ISR (ISR[2]) is set. ISR[2] is also set when the end of the break

condition, as defined above, is detected. The break detect circuitry

is capable of detecting breaks that originate in the middle of a

received character. However, if a break begins in the middle of a

character, it must last until the end of the next character in order for

it to be detected.

SR[6] – Framing Error (FE)

This bit, when set, indicates that a stop bit was not detected when

the corresponding data character in the FIFO was received. The

stop bit check is made in the middle of the first stop bit position.

SR[5] – Parity Error (PE)

相關(guān)PDF資料	PDF描述
SC28C198A1A	Octal UART for 3.3V and 5V supply voltage
SC28L202A1	Dual universal asynchronous receiver/transmitter DUART
SC28L202	Dual universal asynchronous receiver/transmitter DUART
SC28L202A1B	Dual universal asynchronous receiver/transmitter DUART
SC28L202A1D	Dual universal asynchronous receiver/transmitter DUART

相關(guān)代理商/技術(shù)參數(shù)	參數(shù)描述
SC28L201	制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:3.3 V, 5 V UART, 3.125 Mbit/s, with 256-byte FIFO
SC28L201A1DGG	功能描述:UART 接口集成電路 3-5V 1CH 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
SC28L201A1DGG,112	功能描述:UART 接口集成電路 3-5V 1CH 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
SC28L201A1DGG,118	功能描述:UART 接口集成電路 3-5V 1CH 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
SC28L201A1DGG-T	功能描述:UART 接口集成電路 3-5V 1CH 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

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