參數(shù)資料
型號(hào)： TUSB3410VF
英文描述： BUS CONTROLLER
中文描述： 總線控制器
文件頁(yè)數(shù)： 51/92頁(yè)
文件大?。?/td> 317K
代理商： TUSB3410VF
7
–
5
7.1.6
MCR: Modem-Control Register (Addr:FFA4)
This register provides control for modem interface I/O and definition of the flow control mode.
7
6
5
4
3
2
1
0
LCD
LRI
RTS
DTR
SEN
LOOP
RCVE
URST
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
BIT
0
NAME
URST
RESET
0
FUNCTION
Uart soft reset. This bit can be used by the MCU to reset the UART.
URST = 0
Normal operation. Writing a 0 by MCU has no effect.
URST = 1
When the MCU writes a 1 to this bit, a UART reset is generated (ORed with hard reset). When
the UART exits the reset state, URST is cleared. The MCU can monitor this bit to determine if the
UART completed the reset cycle.
1
RCVE
0
Receiver enable bit. This bit is valid only when 485E in FCRL is 1 (RS485 mode). When 485E = 0, this bit has
no effect on the receiver.
RCVE = 0
When 485E = 1, the UART receiver is disabled when RTS = 1, i.e., when data is being transmitted,
the UART receiver is disabled.
RCVE = 1
When 485E = 1, the UART receiver is enabled regardless of the RTS state, i.e., UART receiver
is enabled all the time. This mode can be used to detect collisions on the RS-485 bus when
received data does not match transmitted data.
2
LOOP
0
This bit controls the normal-/loop-back mode of operation (see Figure 7
–
1).
LOOP = 0
Normal operation
LOOP = 1
Enable loop-back mode of operation. In this mode the following occur:
SOUT is set high
SIN is disconnected from the receiver input.
The transmitter serial output is looped back into the receiver serial input.
The four modem-control inputs: CTS, DSR, DCD, and RI are disconnected.
DTR, RTS, LRI and LCD are internally connected to the four modem-control inputs, and read
in the MSR register as follows:
DTR is reflected in MSR[4] bit
RTS is reflected in MSR[5] bit
LRI is reflected in MSR[6] bit
LCD is reflected in MSR[7] bit
3
RSV
0
Reserved
4
DTR
0
This bit controls the state of the DTR output pin (see Figure 7
–
1). This bit has no effect when auto-flow control
is used or when 485E = 1 (in FCRL register).
DTR = 0
Forces the DTR output pin to inactive (high)
DTR = 1
Forces the DTR output pin to active (low)
5
RTS
0
This bit controls the state of the RTS output pin (see Figure 7
–
1). This bit has no effect when auto-flow control
is used or when 485E = 1 (in FCRL register).
RTS = 0
Forces the RTS output pin to inactive (high)
RTS = 1
Forces the RTS output pin to active (low)
相關(guān)PDF資料
PDF描述
TV2050MK5 TV_ICs:
TVGA9000 LOW COST VGA CONTROLLER
TVP3020-200PCE Video DAC with Color Palette (RAMDAC)
TVP3025-220PCE Video DAC with Color Palette (RAMDAC)
TVR1B TOSHIBA Fast Recovery Diode Silicon Diffused Type
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TUSB3410VFG4 功能描述:USB 接口集成電路 RS232/IrDA Ser-to-USB Converter RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20
TUSB4020BIPHP 功能描述:USB Hub Controller USB 2.0 USB Interface 48-HTQFP (7x7) 制造商:texas instruments 系列:- 包裝:管件 零件狀態(tài):有效 協(xié)議:USB 功能:集線器控制器 接口:USB 標(biāo)準(zhǔn):USB 2.0 電壓 - 電源:1.1V，3.3V 電流 - 電源:- 工作溫度:-40°C ~ 85°C 封裝/外殼:48-TQFP 裸露焊盤 供應(yīng)商器件封裝:48-HTQFP（7x7） 標(biāo)準(zhǔn)包裝:250
TUSB4020BIPHPR 功能描述:IC USB 2.0 2PORT HUB IND 48HTQFP 制造商:texas instruments 系列:- 包裝:剪切帶（CT） 零件狀態(tài):在售 協(xié)議:USB 功能:集線器控制器 接口:USB 標(biāo)準(zhǔn):USB 2.0 電壓 - 電源:1.1V，3.3V 電流 - 電源:- 工作溫度:-40°C ~ 85°C 封裝/外殼:48-TQFP 裸露焊盤 供應(yīng)商器件封裝:48-HTQFP（7x7） 標(biāo)準(zhǔn)包裝:1
TUSB4020BIPHPRQ1 功能描述:USB Hub Controller USB 2.0 USB Interface 48-HTQFP (7x7) 制造商:texas instruments 系列:- 包裝:剪切帶（CT） 零件狀態(tài):有效 協(xié)議:USB 功能:集線器控制器 接口:USB 標(biāo)準(zhǔn):USB 2.0 電壓 - 電源:1.1V，3.3V 電流 - 電源:- 工作溫度:-40°C ~ 85°C 封裝/外殼:48-TQFP 裸露焊盤 供應(yīng)商器件封裝:48-HTQFP（7x7） 標(biāo)準(zhǔn)包裝:1
TUSB4020BPHPEVM 功能描述:TUSB4020B - Interface, USB 2.0 Hub Evaluation Board 制造商:texas instruments 系列:- 零件狀態(tài):有效 主要用途:接口，USB 2.0 集線器 嵌入式:- 使用的 IC/零件:TUSB4020B 主要屬性:2 通道（雙路） 輔助屬性:LED 狀態(tài)指示器 所含物品:板 標(biāo)準(zhǔn)包裝:1
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*