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參數(shù)資料
| 型號： | MAX14830ETM+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 33/68頁 |
| 文件大?。?/td> | 0K |
| 描述： | SEMICONDUCTOR OTHER |
| 標(biāo)準(zhǔn)包裝： | 43 |
| 系列： | * |
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39
Maxim Integrated
Quad Serial UART with 128-Word FIFOs
MAX14830
MODE1 Register
Bit 7: IRQSel
Depending on the logic level of the IRQSel bit, IRQ has different meanings. After a hardware or software (MODE2[0])
reset, the IRQSel bit is set low and, after a short delay, the IRQ output signals the end of the power-up sequence. The
IRQ is low during power-up and transitions to high when the MAX14830 is ready to be programmed.
IRQSel can then be set high. In this case, IRQ becomes a regular interrupt output that signals pending interrupts, as
indicated in the ISR. Details of the IRQSel are described in the Power-up and IRQ section.
Bits 6, 5: No Function
Bit 4: TrnscvCtrl
This bit enables the automatic transceiver direction control. Set TrnscvCtrl high so that RTS_ automatically controls the
transceiver’s transmit/receive enable/disable inputs. Setting TrnscvCtrl high sets RTS_ low so that the transceiver is
in receive mode. When the TxFIFO contains data available for transmission, the auto direction control sets RTS_ high
before the transmitter sends out the data. When the transmitter is empty, RTS_ is automatically forced low again.
Setup and hold times of RTS_ with respect to the TX_ output can be defined through the HDplxDelay register. A trans-
mitter empty interrupt ISR[5] is generated when the transmitter is empty.
Bit 3: RTSHiZ
Set the RTSHiZ bit high to three-state RTS_.
Bit 2: TxHiZ
Set the TxHiZ bit high to three-state the TX_ output.
Bit 1: TxDisabl
Set the TxDisabl bit high to disable transmission. If the TxDisabl bit is set high during transmission, the transmitter com-
pletes sending out the current character and then ceases transmission. Data still present in the Transmit FIFO remains
in the TxFIFO. The TX_ output is set to logic-high after transmission.
In auto transmitter disable mode, TxDisabl is high when the transmitter is completely empty.
Bit 0: RxDisabl
Set the RxDisabl bit high to disable the receiver of the selected UART so that the receiver stops receiving data. All data
present in the Receive FIFO remains in the RxFIFO.
ADDRESS:
0x09
MODE:
R/W
BIT
7
6
5
4
3
2
1
0
NAME
IRQSel
—
TrnscvCtrl
RTSHiZ
TxHiZ
TxDisabl
RxDisabl
RESET
0
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX14830ETM+ | 功能描述:UART 接口集成電路 Quad Serial UART w/128-Word FIFOs 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 |
| MAX14830ETM+T | 功能描述:UART 接口集成電路 Quad Serial UART w/128-Word FIFOs 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 |
| MAX14830EVKIT# | 功能描述:界面開發(fā)工具 MAX14830 Eval Kit RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
| MAX14830EVKIT+ | 制造商:Maxim Integrated Products 功能描述:QUAD UART EV-KIT WITH IO-LINK AND MULTIPROTOCOL - Boxed Product (Development Kits) |
| MAX1483C/D+ | 功能描述:RS-485接口IC low-power transceivers for RS-485 and RS-422 communication RoHS:否 制造商:Texas Instruments 數(shù)據(jù)速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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