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| 型号： | XT09-MI |
| 厂商： | Digi International/Maxstream |
| 文件页数： | 40/71页 |
| 文件大小： | 0K |
| 描述： | MODULE RF 900MHZ 1W 115K W/MMCX |
| 标准包装： | 1 |
| 系列： | XTend™ |
| 频率： | 900MHz |
| 数据传输率 - 最大： | 125kbps |
| 调制或协议： | FHSS，FSK |
| 功率 - 输出： | 1W |
| 灵敏度： | -100dBm |
| 电源电压： | 2.8 V ~ 5.5 V |
| 电流 - 接收： | 80mA |
| 数据接口： | PCB，通孔 |
| 天线连接器： | MMCX |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 模块 |
| 包装： | 散装 |
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9XTend? ? OEM ? RF ? Module ?‐? Product ? Manual ? v2.x4x ? [2007.01.04]
Chapter ? 3 ?‐? RF ? Module ? Configuration
3.4. API Operation
By default, XTend RF Modules act as a serial line replacement (Transparent Operation) - all UART
data received through the DI pin is queued up for RF transmission. When the module receives an
RF packet, the data is sent out the DO pin with no additional information.
Inherent to Transparent Operation are the following behaviors:
? If module parameter registers are to be set or queried, a special operation is required for
transitioning the module into Command Mode [refer to p17].
? In point-to-multipoint systems, the application must send extra information so that the
receiving module(s) can distinguish between data coming from different remotes.
As an alternative to the default Transparent Operation, API (Application Programming Interface)
Operations are available. API operation requires that communication with the module be done
through a structured interface (data is communicated in frames in a defined order). The API spec-
ifies how commands, command responses and module status messages are sent and received
from the module using a UART data frame.
3.4.1. API Frame Specifications
Two API modes are supported and both can be enabled using the AP (API Enable) command. Use
the following AP parameter values to configure the module to operate in a particular mode:
? AP = 0 (default): Transparent Operation (UART Serial line replacement)
API modes are disabled.
? AP = 1: API Operation
? AP = 2: API Operation (with escaped characters)
Any data received prior to the start delimiter is silently discarded. If the frame is not received cor-
rectly or if the checksum fails, the data is silently discarded.
API Operation (AP parameter = 1)
When this API mode is enabled (AP = 1), the UART data frame structure is defined as follows:
Figure ? 3 ‐ 01. UART ? Data ? Frame ? Structure:
Start Delimiter
(Byte 1)
Length
(Bytes 2-3)
Frame Data
(Bytes 4-n)
Checksum
(Byte n + 1)
0x7E
MSB
LSB
API-specific Structure
1 Byte
MSB ? = ? Most ? Significant ? Byte, ? LSB ? = ? Least ? Significant ? Byte
API Operation - with Escape Characters (AP parameter = 2)
When this API mode is enabled (AP = 2), the UART data frame structure is defined as follows:
Figure ? 3 ‐ 02. UART ? Data ? Frame ? Structure ?‐? with ? escape ? control ? characters:
Start Delimiter
(Byte 1)
Length
(Bytes 2-3)
Frame Data
(Bytes 4-n)
Checksum
(Byte n + 1)
0x7E
MSB
LSB
API-specific Structure
1 Byte
Characters Escaped If Needed
MSB ? = ? Most ? Significant ? Byte, ? LSB ? = ? Least ? Significant ? Byte
Escape characters . When sending or receiving a UART data frame, specific data values must be
escaped (flagged) so they do not interfere with the UART or UART data frame operation. To escape
an interfering data byte, insert 0x7D and follow it with the byte to be escaped XOR’d with 0x20.
? ? 2007 ? MaxStream, ? Inc.
????? 40
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| XT09-MI-MESH | 功能描述:射频模块 9XTend, 1W Trnsvr MMCX,115000bps,Mesh RoHS:否 制造商:Linx Technologies 产品:Transceiver Modules 频带:902 MHz to 928 MHz 输出功率:- 15.5 dBm to + 12.5 dBm 接口类型:UART 工作电源电压:- 0.3 VDC to + 5.5 VDC 传输供电电流:38.1 mA 接收供电电流:22.7 mA 天线连接器类型:U.FL 最大工作温度:+ 85 C 尺寸:1.15 mm x 0.63 mm x 0.131 mm |
| XT09MINA | 制造商:DIGI 功能描述:New |
| XT09-MI-NA | 功能描述:射频模块 9XTend 1W transceiv encryption 9600 bps RoHS:否 制造商:Linx Technologies 产品:Transceiver Modules 频带:902 MHz to 928 MHz 输出功率:- 15.5 dBm to + 12.5 dBm 接口类型:UART 工作电源电压:- 0.3 VDC to + 5.5 VDC 传输供电电流:38.1 mA 接收供电电流:22.7 mA 天线连接器类型:U.FL 最大工作温度:+ 85 C 尺寸:1.15 mm x 0.63 mm x 0.131 mm |
| XT09-MT | 功能描述:射频模块 9XTend 1W transceiv onnector 115000 bps RoHS:否 制造商:Linx Technologies 产品:Transceiver Modules 频带:902 MHz to 928 MHz 输出功率:- 15.5 dBm to + 12.5 dBm 接口类型:UART 工作电源电压:- 0.3 VDC to + 5.5 VDC 传输供电电流:38.1 mA 接收供电电流:22.7 mA 天线连接器类型:U.FL 最大工作温度:+ 85 C 尺寸:1.15 mm x 0.63 mm x 0.131 mm |
| XT09-PKC-U | 功能描述:射频模块 9XTend 1W USB w/o accessories RoHS:否 制造商:Linx Technologies 产品:Transceiver Modules 频带:902 MHz to 928 MHz 输出功率:- 15.5 dBm to + 12.5 dBm 接口类型:UART 工作电源电压:- 0.3 VDC to + 5.5 VDC 传输供电电流:38.1 mA 接收供电电流:22.7 mA 天线连接器类型:U.FL 最大工作温度:+ 85 C 尺寸:1.15 mm x 0.63 mm x 0.131 mm |
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