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参数资料
| 型号： | MAX14830ETM+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 9/68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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17
Maxim Integrated
Quad Serial UART with 128-Word FIFOs
MAX14830
Pin Description (continued)
PIN
NAME
FUNCTION
28
GPIO9
General-Purpose Input/Output 9. GPIO9 is user-programmable as an input or output (push-pull or open
drain) or external event interrupt source. GPIO9 has a weak pulldown resistor to ground. GPIO9 is the
TIMER output when bit 7 of the TIMER2 register is set to 1.
29
GPIO10
General-Purpose Input/Output 10. GPIO10 is user-programmable as an input or output (push-pull or
open drain) or external event interrupt source. GPIO10 has a weak pulldown resistor to ground.
30
GPIO11
General-Purpose Input/Output 11. GPIO11 is user-programmable as an input or output (push-pull or
open drain) or external event interrupt source. GPIO11 has a weak pulldown resistor to ground.
31
RTS2
Active-Low Request-to-Send Output for UART2. RTS2 can be set high or low by programming the LCR
register. RTS2 is the UART system clock/fractional divider output when bit 7 of the CLKSource register
is set to 1.
32
CTS2
Active-Low Clear-to-Send Input for UART2. CTS2 is a flow control status input.
33
RX2
Serial Receiving Data Input for UART2. RX2 has a weak pullup to VEXT.
34
TX2
Serial Transmitting Data Output for UART2
35
GPIO12
General-Purpose Input/Output 12. GPIO12 is user-programmable as an input or output (push-pull
or open drain) or external event interrupt source. GPIO12 has a weak pulldown resistor to ground.
GPIO12 is the reference clock output when bit 7 of the TxSynch register is set to 1 (see the UART
Clock to GPIO section for more information).
36
GPIO13
General-Purpose Input/Output 13. GPIO13 is user-programmable as an input or output (push-pull
or open drain) or external event interrupt source. GPIO13 has a weak pulldown resistor to ground.
GPIO13 is the TIMER output if bit 7 of the TIMER2 register is set to 1.
37
GPIO14
General-Purpose Input/Output 14. GPIO14 is user-programmable as an input or output (push-pull or
open drain) or external event interrupt source. GPIO14 has a weak pulldown resistor to ground.
38
GPIO15
General-Purpose Input/Output 15. GPIO15 is user-programmable as an input or output (push-pull or
open drain) or external event interrupt source. GPIO15 has a weak pulldown resistor to ground.
39
RTS3
Active-Low Request-to-Send Output for UART3. RTS3 can be set high or low by programming the LCR
register. RTS3 is the UART system clock/fractional divider output when bit 7 of the CLKSource register
is set to 1.
40
CTS3
Active-Low Clear-to-Send Input for UART3. CTS3 is a flow control status input.
41
RX3
Serial Receiving Data Input for UART3. RX3 has a weak pullup to VEXT.
42
TX3
Serial Transmitting Data Output for UART3
43
VEXT
Transceiver Interface Level Supply. VEXT powers the internal logic-level translators for RX_, TX_, RTS_,
CTS_, and GPIO_. Bypass VEXT with a 0.1FF ceramic capacitor to DGND.
44
XOUT
Crystal Output. When using an external crystal, connect one end of the crystal to XOUT and the other
to XIN. When using an external clock source, leave XOUT unconnected.
45
XIN
Crystal/Clock Input. When using an external crystal, connect one end of the crystal to XIN and the
other one to XOUT. When using an external clock source, drive XIN with the external clock.
46
AGND
Analog Ground
47
VA
Analog Supply. VA powers the PLL, and the internal LDO. Bypass VA with a 0.1FF ceramic capacitor to
AGND.
48
V18
Internal 1.8V LDO Output and 1.8V Logic Supply Input. Bypass V18 with a 1FF ceramic capacitor to
DGND.
—
EP
Exposed Paddle. Connect EP to AGND. Do not use EP as the main AGND connection.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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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