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参数资料
| 型号： | XC09-009-DK |
| 厂商： | Digi International/Maxstream |
| 文件页数： | 13/36页 |
| 文件大小： | 826K |
| 描述： | KIT DEV FOR 900MHZ 9600BPS 1MW |
| 标准包装： | 1 |
| 系列： | XCite™ |
| 类型： | 收发器 |
| 频率： | 900MHz |
| 适用于相关产品： | XCite 模块（900 MHz、9600 bps）美国和加拿大 |
| 已供物品： | 板，模块，适配器，电池夹，线缆，CD |
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Serial Port Sleep (SM = 2)
"Wake on serial port activity
Serial Port Sleep is a Sleep Mode setting in which the modem runs in a low power state until data
is detected on the DI pin.
When Serial Port Sleep is enabled, the modem goes into Sleep Mode after a user-defined period of
inactivity (no transmitting or receiving of data). This period of time is determined by ST (Time
before Sleep) Command. The modem returns to Idle Mode once a character is received through
the DI pin.
Cyclic Sleep (SM = 3-8)
Cyclic Sleep is the Sleep Mode setting in which the XCite Module enters into a low power state and
awakens periodically to determine if any transmissions are being sent.
When Cyclic Sleep settings are enabled, the XCite Module goes into Sleep Mode after a user-
defined period of inactivity (no transmission or reception on the RF channel). The user-defined
period is determined by ST Parameter. [See ST (Time before Sleep) Parameter]
While the modem is in a low-power state, CTS
de-asserted (high) to indicate that data should not
be sent to the modem during this time. When the modem awakens to listen for data, CTS
is
asserted and any data received on the DI Pin is transmitted. The PWR pin is also de-asserted (low)
when the modem is in Cyclic Sleep Mode. These pins are asserted each time the modem cycles
into Idle Mode to listen for valid data packets and de-asserts when the modem returns to Sleep
Mode.
The modem remains in Sleep Mode for a user-defined period of time ranging from 0.5 seconds to
16 seconds (SM Parameters 3 through 8). After this interval of time, the modem returns to Idle
Mode and listens for a valid data packet for 100 ms. If the modem does not detect valid data (on
any frequency), the modem returns to Sleep Mode. If valid data is detected, the modem transi-
tions into Receive Mode and receives the incoming packets. The modem then returns to Sleep
Mode after a Period of inactivity that is determined by ST "Time before Sleep" Parameter.
The modem can also be configured to Wake-up from cyclic sleep when the SLEEP pin is de-
asserted (low). To configure a modem to operate in this manner, PW (Pin Wake-up) Command
must be issued. Once the Sleep pin is de-asserted, the modem is forced into Idle Mode and can
begin transmitting or receiving data. It remains active until no data is detected for the period of
time specified by the ST parameter, at which point it resumes its low-power cyclic state.
Note: The cyclic interval time defined by SM (Sleep Mode) Command must be shorter than the interval
time defined by LH ("Wake-up Initializer Timer") Command. For example: If SM=4 (Cyclic 1.0 second
sleep), the LH Parameter should equal 0xB ("1.1" seconds). With these parameters set, there is no risk
of the receiving modem being asleep for the duration of the wake-up initializer transmission. The fol-
lowing section "Cyclic Scanning" explains in further detail the relationship between "Cyclic Sleep" and
"Wake-up Initializer Timer"
Cyclic Scanning. Each RF transmission consists of a wake-up initializer and payload data. The
wake-up initializer contains initialization information and all receiving modems must Wake-up dur-
ing the wake-up initializer portion of data transmission in order to synchronize with the transmitter
and receive the data.
The cyclic interval time defined by the SM (Sleep Mode) command must be shorter than the interval
time defined by LH (Wake-up Initializer Timer) command.
Figure?07. Correct燙onfiguration?LH?燬M):?SPAN class="pst XIB-R_2124010_2">
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相关代理商/技术参数 |
参数描述 |
|---|---|
| XC09-009NSC | 功能描述:射频模块 9XCite 4mW transcei r w/RPSMA 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 |
| XC09-009NSI | 功能描述:射频模块 9XCite 4mW transcei r w/RPSMA 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 |
| XC09-009PKC-R | 功能描述:射频模块 9XCite 4mW 9600baud RS232/485 no acc 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 |
| XC09-009PKC-RA | 功能描述:射频模块 9XCITE 4MW 9600 BAUD R 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 |
| XC09-009PKC-U | 功能描述:射频模块 9XCite 4mW 9600baud USB no acc 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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