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| 型号： | XR18W750IL48-F |
| 厂商： | Exar Corporation |
| 文件页数： | 26/44页 |
| 文件大小： | 0K |
| 描述： | IC WIRELESS UART CTRLR 48QFN |
| 标准包装： | 260 |
| 功能： | 控制器 |
| RF 型： | 通用 |
| 次要属性： | I²C 接口 |
| 封装/外壳： | 48-VFQFN 裸露焊盘 |
| 包装： | 托盘 |
| 其它名称： | 1016-1473 XR18W750IL48-F-ND |
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XR18W750
WIRELESS UART CONTROLLER
REV. 1.0.0
LCR[3]: TX and RX Parity Select
Parity or no parity can be selected via this bit. The parity bit is a simple way used in communications for data
integrity check. See Table 11 for parity selection summary below.
? Logic 0 = No parity.
? Logic 1 = A parity bit is generated during the transmission while the receiver checks for parity error of the
data character received.
LCR[4]: TX and RX Parity Select
If the parity bit is enabled with LCR bit-3 set to a logic 1, LCR bit-4 selects the even or odd parity format.
? Logic 0 = ODD Parity is generated by forcing an odd number of logic 1’s in the transmitted character. The
receiver must be programmed to check the same format (default).
? Logic 1 = EVEN Parity is generated by forcing an even number of logic 1’s in the transmitted character. The
receiver must be programmed to check the same format.
LCR[5]: TX and RX Parity Select
If the parity bit is enabled, LCR BIT-5 selects the forced parity format.
? LCR BIT-5 = logic 0, parity is not forced (default).
? LCR BIT-5 = logic 1 and LCR BIT-4 = logic 0, parity bit is forced to a logical 1 for the transmit and receive
data.
? LCR BIT-5 = logic 1 and LCR BIT-4 = logic 1, parity bit is forced to a logical 0 for the transmit and receive
data.
T ABLE 11: P ARITY SELECTION
LCR B IT -5 LCR B IT -4 LCR B IT -3
P ARITY SELECTION
X
0
0
1
1
X
0
1
0
1
0
1
1
1
1
No parity
Odd parity
Even parity
Force parity to mark, “1”
Forced parity to space, “0”
LCR[6]: Transmit Break Enable
When enabled, the Break control bit causes a break condition to be transmitted (the TX output is forced to a
“space", LOW state). This condition remains, until disabled by setting LCR bit-6 to a logic 0.
? Logic 0 = No TX break condition (default).
? Logic 1 = Forces the transmitter output (TX) to a “space”, LOW, for alerting the remote receiver of a line
break condition.
LCR[7]: Baud Rate Divisors Enable
Baud rate generator divisor (DLL and DLM) enable.
? Logic 0 = Data registers are selected (default).
? Logic 1 = Divisor latch registers are selected.
5.7
Modem Control Register (MCR) or General Purpose Outputs Control - Read/Write
The MCR register is used for controlling the serial/modem interface signals or general purpose inputs/outputs.
26
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相关代理商/技术参数 |
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| XR18W750IL48TR-F | 功能描述:UART 接口集成电路 XR18W750IL48TR-F 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 |
| XR18W753 | 制造商:EXAR 制造商全称:EXAR 功能描述:SINGLE CHIP 868MHZ TO 956MHZ RF TRANSCEIVER |
| XR18W753IL48 | 制造商:EXAR 制造商全称:EXAR 功能描述:SINGLE CHIP 868MHZ TO 956MHZ RF TRANSCEIVER |
| XR18W753IL48-F | 功能描述:射频接收器 UART RoHS:否 制造商:Skyworks Solutions, Inc. 类型:GPS Receiver 封装 / 箱体:QFN-24 工作频率:4.092 MHz 工作电源电压:3.3 V 封装:Reel |
| XR18W753L48-0A-EB | 功能描述:界面开发工具 900MHz RF EVAL Board 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 |
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