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参数资料
| 型号： | XR18W750IL48-F |
| 厂商： | Exar Corporation |
| 文件页数： | 32/44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
FCTR[3:2]: Reserved
For normal operation, these bits should be ’0’.
FCTR[5:4]: Transmit/Receive Trigger Table Select
See Table 10 for more details.
T ABLE 14: T RIGGER T ABLE S ELECT
REV. 1.0.0
FCTR
B IT -5
0
0
1
1
FCTR
B IT -4
0
1
0
1
T ABLE
Table-A (TX/RX)
Table-B (TX/RX)
Table-C (TX/RX)
Table-D (TX/RX)
FCTR[6]: Scratchpad Swap
? Logic 0 = Scratch Pad register is selected as general read and write register. ST16C550 compatible mode.
? Logic 1 = FIFO Level Count register (Read-Only), Enhanced Mode Select Register (Write-Only). Number of
characters in transmit or receive FIFO can be read via scratch pad register when this bit is set. Enhanced
Mode Select Register is selected when it is written into.
FCTR[7]: Programmable Trigger Register Select
If using both programmable TX and RX trigger levels, TX trigger levels must be set before RX trigger levels.
? Logic 0 = Registers TRG and FC selected for RX.
? Logic 1 = Registers TRG and FC selected for TX.
5.19
Enhanced Feature Register (EFR)
EFR[3:0]: Reserved
For normal operation, these bits should be ’0’.
EFR[4]: Enhanced Function Bits Enable
Enhanced function control bit. This bit enables IER bits 4-7, ISR bits 4-5, FCR bits 4-5, and MCR bits 5-7 (MCR
bits 7-5 should remain at their default values of ’0’). After modifying any enhanced bits, EFR bit-4 can be set to
a logic 0 to latch the new values. This feature prevents legacy software from altering or overwriting the
enhanced functions once set. Normally, it is recommended to leave it enabled, logic 1.
? Logic 0 = modification disable/latch enhanced features. IER bits 4-7, ISR bits 4-5, FCR bits 4-5, and MCR
bits 5-7are saved to retain the user settings. After a reset, the IER bits 4-7, ISR bits 4-5, FCR bits 4-5, and
MCR bits 5-7 are set to a logic 0 to be compatible with ST16C550 mode (default).
? Logic 1 = Enables the above-mentioned register bits to be modified by the user.
EFR[5]: Reserved
For normal operation, this bit should be ’0’.
32
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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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