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参数资料
| 型号： | MAX14830ETM+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 37/68页 |
| 文件大小： | 0K |
| 描述： | IC UART |
| 产品培训模块： | Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 系列： | * |
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42
Maxim Integrated
Quad Serial UART with 128-Word FIFOs
MAX14830
RxTimeOut—Receiver Timeout Register
Bits 7–0: TimOut[n]
The receive data timeout bits allow programming a time delay after the last (newest) character in the Receive FIFO was
received until a receive data timeout LSR[0] interrupt is generated. The duration is measured in character intervals and
is dependent on the character length, parity, and STOP bit setting and is inversely proportional to the baud rate. If the
RxTimeOut value equals zero, a timeout interrupt is not generated.
HDplxDelay Register
The HDplxDelay register allows programming setup and hold times between RTS_ and the TX_ output in automatic
transceiver direction control mode (MODE1[4] = 1). The Hold[3:0] time can also be used for echo suppression in half-
duplex communication. HDplxDelay also functions in the 2x and 4x rate modes.
Bits 7–4: Setup[n]
The Setup[n] bits define a setup time for RTS_ to transition high before the transmitter starts transmission of its first
character in auto transceiver direction control mode: MODE1[4]. This allows the MAX14830 to account for skew differ-
ences of the external transmitter’s enable delay and propagation delays. Setup[n] bits can also be used to fix a stable
state on the transmission line prior to start of transmission.
The unit of the HDplxDelay setup time delay is one bit interval, making this delay baud-rate dependent. The maximum
delay is 15-bit intervals.
Bits 3–0: Hold[n]
The Hold[n] bits define a hold time for RTS_ to be held stable (high) after the transmitter ends transmission of its last
character in auto transceiver direction control mode: MODE1[4]. RTS_ turns low after the last STOP bit was sent with
a Hold[n] delay. This keeps the external transmitter enabled during the Hold duration.
The second factor that the Hold[n] bits define is a delay in echo suppression mode, MODE2[7]. See the Echo
Suppression section for more information.
The unit of the HDplxDelay hold time delay is one bit interval, making the delay baud-rate dependent. The maximum
delay is 15-bit intervals.
ADDRESS:
0x0C
MODE:
R/W
BIT
7
6
5
4
3
2
1
0
NAME
TimOut7
TimOut6
TimOut5
TimOut4
TimOut3
TimOut2
TimOut1
TimOut0
RESET
0
ADDRESS:
0x0D
MODE:
R/W
BIT
7
6
5
4
3
2
1
0
NAME
Setup3
Setup2
Setup1
Setup0
Hold3
Hold2
Hold1
Hold0
RESET
0
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相关代理商/技术参数 |
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|---|---|
| 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 |
| MAX1483CPA | 功能描述:RS-485接口IC 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 |
| MAX1483CPA+ | 功能描述:RS-422/RS-485 接口 IC Slew-Rate-Limited RS-485 Transceivers RoHS:否 制造商:Maxim Integrated 数据速率:1136 Kbps 工作电源电压:3 V to 5.5 V 电源电流:5.9 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-28 封装:Tube |
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