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参数资料
| 型号： | MAX14830ETM+ |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | SERIAL COMM CONTROLLER, QCC48 |
| 封装： | 7 X 7 MM, ROHS COMPLIANT, TQFN-48 |
| 文件页数： | 21/68页 |
| 文件大小： | 2356K |
| 代理商： | MAX14830ETM+ |
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MAX14830
Quad Serial UART with 128-Word FIFOs
and Internal Oscillator
28
interrupt. The interrupt sources are divided into top-level
and low-level interrupts. The top-level interrupts typically
occur more often and can be read out directly through
the ISR. The low-level interrupts typically occur less often
and their specific source can be read out through the
LSR, STSInt, or SpclChar registers. The three LSBs of the
ISR point to the low-level interrupt registers that contain
the detail of the interrupt source.
Interrupt Enabling
Every interrupt bit of the four interrupt registers can be
enabled or masked through an associated interrupt
enable register bit. These are the IRQEn, LSRIntEn,
SpclChrIntEn, and STSIntEn registers.
Interrupt Clearing
When an ISR interrupt is pending (i.e. any bit in ISR is
set) and the ISR is subsequently read, the ISR bits and
IRQ are cleared. Both the SpclCharInt and the STSInt
registers are also clear on read (COR). The LSR bits are
only cleared when the source of the interrupt is removed,
not when LSR is read.
Reading the GlobalIRQ register does not clear the IRQ
interrupt.
Register Map
(All default reset values are 0x00, unless otherwise noted. All registers are R/W, unless otherwise noted.)
REGISTER
ADDR
BIT7
BIT6
BIT5
BIT4
BIT3
BIT2
BIT1
BIT0
FIFO DATA
RHR
0x00
RData7
RData6
RData5
RData4
RData3
RData2
RData1
RData0
THR
0x00
TData7
TData6
TData5
TData4
TData3
TData2
TData1
TData0
INTERRUPTS
IRQEn
0x01
CTSIEn
RFifoEmtyIEn
TFifoEmtyIEn
TFifoTrgIEn
RFifoTrgIEn
STSIEn
SpclChrIEn
LSRErrIEn
ISR*
0x02
CTSInt
RFifoEmptyInt
TFifoEmptyInt
TFifoTrigInt
RFifoTrigInt
STSInt
SpCharInt
LSRErrInt
LSRIntEn
0x03
—
RxNoiseIntEn
RBreakIEn
FrameErrIEn
ParityIEn
ROverrIEn
RTimoutIEn
LSR*
0x04
CTSbit
—
RxNoise
RxBreak
FrameErr
RxParityErr
RxOverrun
RTimeout
SpclChrIntEn
0x05
—
MltDrpIntEn
BREAKIntEn
XOFF2IntEn
XOFF1IntEn
XON2IntEn
XON1IntEn
SpclCharInt
0x06
—
MultiDropInt
BREAKInt
XOFF2Int
XOFF1Int
XON2Int
XON1Int
STSIntEn
0x07
—
ClockRdyIntEn
—
GPI3IntEn
GPI2IntEn
GPI1IntEn
GPI0IntEn
STSInt
0x08
—
ClockReady
—
GPI3Int
GPI2Int
GPI1Int
GPI0Int
UART MODES
MODE1
0x09
IRQSel
—
TrnscvCtrl
RTSHiZ
TXHiZ
TxDisabl
RxDisabl
MODE2
0x0A
EchoSuprs
MultiDrop
LoopBack
SpecialChr
RxEmtyInv
RxTrgInv
FIFORst
RST
LCR*
0x0B
RTSbit
TxBreak
ForceParity
EvenParity
ParityEn
StopBits
Length1
Length0
RxTimeOut
0x0C
TimOut7
TimOut6
TimOut5
TimOut4
TimOut3
TimOut2
TimOut1
TimOut0
HDplxDelay
0x0D
Setup3
Setup2
Setup1
Setup0
Hold3
Hold2
Hold1
Hold0
IrDA
0x0E
—
TxInv
RxInv
MIR
ShortIR
SIR
IrDAEn
FIFOs CONTROL
FlowLvl
0x0F
Resume3
Resume2
Resume1
Resume0
Halt3
Halt2
Halt1
Halt0
FIFOTrgLvl*
0x10
RxTrig3
RxTrig2
RxTrig1
RxTrig0
TxTrig3
TxTrig2
TxTrig1
TxTrig0
TxFIFOLvl
0x11
TxFL7
TxFL6
TxFL5
TxFL4
TxFL3
TxFL2
TxFL1
TxFL0
RxFIFOLvl
0x12
RxFL7
RxFL6
RxFL5
RxFL4
RxFL3
RxFL2
RxFL1
RxFL0
FLOW CONTROL
FlowCtrl
0x13
SwFlow3
SwFlow2
SwFlow1
SwFlow0
SwFlowEn
GPIAddr
AutoCTS
AutoRTS
XON1
0x14
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
XON2
0x15
Bit7
Bi6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
XOFF1
0x16
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
XOFF2
0x17
Bit7
Bi6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX14830ETM+ | 功能描述:UART 接口集成电路 Quad Serial UART w/128-Word FIFOs RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
| MAX14830ETM+T | 功能描述:UART 接口集成电路 Quad Serial UART w/128-Word FIFOs RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
| MAX14830EVKIT# | 功能描述:界面开发工具 MAX14830 Eval Kit RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压: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 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
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