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参数资料
| 型号： | MAX14830ETM+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 32/68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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38
Maxim Integrated
Quad Serial UART with 128-Word FIFOs
MAX14830
STSInt—Status Interrupt Register
Bits 7, 6: No Function
Bit 5: ClockReady
The ClockReady bit is set high when the clock, the divider, and PLL have settled and the MAX14830 is ready for
data communication. The ClockReady bit only works with the crystal oscillator. It does not work with external clocking
through XIN.
The ClockReady status bit is cleared when the clock is disabled and is not cleared upon read. This bit can generate
an ISR[2]: STSInt interrupt, if enabled through STSIntEn[5].
Bit 4: No Function
Bits 3–0: GPI[n]Int
Each UART has four individually assigned GPIO outputs as follows: UART0: GPIO0–GPIO3, UART1: GPIO4–GPIO7,
UART2: GPIO8–GPIO11, UART3: GPIO12–GPIO15. For example, for UART0: Bit 0 is GPI0Int, Bit 1 is GPI1Int, Bit 2 is
GPI2Int, and Bit 3 is GPI3Int. See Table 1.
The GPI[n]Int interrupts are set high when a change of logic state occurs on the associated GPIO_ input, unless
disabled by the GPI[n]IntEn bits. GPI[n]Int is cleared upon reading. These interrupts can be selectively routed to the
ISR[2] interrupt bit through the STSIntEn[3:0].
Table 1. UART GPIO Assignments for GPIO Interrupts
ADDRESS:
0x08
MODE:
R/COR
BIT
7
6
5
4
3
2
1
0
NAME
—
ClockReady
—
GPI3Int
GPI2Int
GPI1Int
GPI0Int
RESET
0
UART
GPI3Int/GPI3IntEn
GPI2Int/GPI2IntEn
GPI1Int/GPI1IntEn
GPI0Int/GPI0IntEn
UART0
GPIO3
GPIO2
GPIO1
GPIO0
UART1
GPIO7
GPIO6
GPIO5
GPIO4
UART2
GPIO11
GPIO10
GPIO9
GPIO8
UART3
GPIO15
GPIO14
GPIO13
GPIO12
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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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