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参数资料
| 型号： | EVAL-433-HHCP |
| 厂商： | Linx Technologies Inc |
| 文件页数： | 5/9页 |
| 文件大小： | 0K |
| 描述： | KIT EVAL FOR HHCP 433MHZ XMITTER |
| 标准包装： | 1 |
| 类型： | 发射器 |
| 频率： | 433MHz |
| 适用于相关产品： | Linx OEM 模块 |
| 已供物品： | 板，2 个发射器，2 个接收器，天线，电池，2 个连接器，文档 |
Protocols
The DS Series encoder inside the Compact Handheld transmitter supports
two protocols. The first protocol is based on the Holtek HT640 encoder
and is completely backwards compatible with older generation transmitters
Setting the Transmitter Address
The Compact Handheld transmitter
allows the selection of one of 1,022
unique addresses. All transmitters are
and systems based on the HT658 decoder. The second is a serial protocol
that offers more noise immunity and faster response time while keeping the
simple addressing.
The transmitter can use only one protocol at a time. The protocols do not
work together.
The protocol is selected with a switch next to the battery. Figure 5 shows
supplied set to the same address. To
avoid contention with other units or to
create unique relationships, the address
can be changed. This is accomplished
using internal DIP switches as shown.
The switches are accessed by
removing the DIP switch access cover
on the back of the transmitter.
A0 = 1
A1 = 2
A2 = 3
A3 = 4
A4 = 5
A5 = 6
A6 = 7
A7 = 8
A8 = 9
A9 = 10
OFF ON
this switch.
If the switch is on, the address line
is connected to ground, otherwise it is
Figure 6: DIP Switch Assignments
pulled to supply. The receiver’s address
must match exactly in order for the units to communicate. Application Note
AN-00300 describes in detail how to set the address to match any of the
receivers offered by Linx. This note can be found in the Support section of
the Linx website, www.linxtechnologies.com.
Note: Setting all of the DIP switches on or all of them off are not valid
addresses. At least one switch must be different from the rest.
Figure 5: Protocol Selection Switch
If the switch is toward the top then the Holtek protocol is selected. If the
switch is toward the bottom then the serial protocol is selected.
Button Assignments
Figure 7 illustrates the relationship between the button locations and
encoder data lines.
D7
D5
D3
D1
D6
D4
D2
D0
Figure 7: Button Assignments
– 4 –
– 5 –
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相关代理商/技术参数 |
参数描述 |
|---|---|
| EVAL-433-HHLR | 功能描述:射频开发工具 Long Range HandHeld Eval Sys 433MHz RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V |
| EVAL-433-HHTX | 功能描述:射频开发工具 HandHeld Eval System 433MHz, HHTX Series RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V |
| EVAL-433-KEY1 | 功能描述:射频开发工具 1 Button Keyfob Eval Sys 433MHz RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V |
| EVAL-433-KEY2 | 功能描述:射频开发工具 2 Button Keyfob Eval Sys 433MHz RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V |
| EVAL-433-KEY3 | 功能描述:射频开发工具 3 Button Keyfob Eval Sys 433MHz RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V |
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