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参数资料
| 型号： | SX1211-11SKA868 |
| 厂商： | Semtech |
| 文件页数： | 13/30页 |
| 文件大小： | 0K |
| 描述： | KIT STARTER FOR SX1211 868MHZ |
| 标准包装： | 1 |
| 类型： | 收发器 |
| 频率： | 868MHz |
| 适用于相关产品： | SX1211（868MHz） |
| 已供物品： | 2 个板，2 个模块，2 根天线，电池 |
| 产品目录页面： | 584 (CN2011-ZH PDF) |
| 其它名称： | SX1211-11SK868 SX1211-11SK868-ND SX1211-SKA868 SX1211-SKA868-ND SX1211SK868 SX1211SK868-ND |
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SX1211SK868/915 User Guide
4.3
SX1211SK – FUNCTIONAL FLOW CHART
Power ON
Yes
Ping Pong
Test
Enabled ?
Yes
Default
Ping Pong
Enabled ?
No
No
No
PC
attached
?
Yes
Default
Ping Pong
Test
User
Ping Pong
Test
No
Stand-
Alone
Evaluation
Power
Perform
PC GUI
command
OFF ?
Figure 4.1: “Embedded software” general flow chart
Brief explanation of Figure 4.1
?
?
4.4
If the PC is attached to the processor board, the embedded microcontroller software will monitor
the RS232 port for a valid user request from the PC GUI software. Acceptance and execution of
a request is indicated by the “blinking” of both yellow LEDs Rx and Tx together.
If the PC is not attached, the SX1211SK will assume “SX1211 Evaluation” mode if the user has
disabled the Ping-Pong Test, otherwise the “embedded software” will check if the user has
defined a “User Ping-Pong Test” if not the microcontroller will assume the “Default Ping-Pong
Test”.
DEFAULT PING-PONG TEST
4.4.1 Purpose
The Ping-Pong Test provides the user a means to demonstrate practical two-way radio
communications between two processor boards with SX1211 RF modules attached. The Ping Pong
mode can be a valuable test facility when conducting on-site and range tests.
A Default Ping Pong Test program is embedded within a SEMTECH RISC microcontroller chip
(XE88LC05) on the board. The Ping Pong Test ( Default or User ) is automatically started after the
power up if no PC is attached to the board’s RS232 connector and if the option has not been disabled
from the PC-GUI Software.
Rev1.1
13 of 30
www.semtech.com
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| SX1211-11SKA915 | 功能描述:KIT USB FOR SX1211 TXRX 915MHZ RoHS:是 类别:RF/IF 和 RFID >> RF 评估和开发套件，板 系列:- 标准包装:1 系列:- 类型:GPS 接收器 频率:1575MHz 适用于相关产品:- 已供物品:模块 其它名称:SER3796 |
| SX1211I084T | 制造商:Semtech Corporation 功能描述: |
| SX1211I084TRT | 功能描述:IC SNGL-CHIP TXRX 32-TQFN RoHS:是 类别:RF/IF 和 RFID >> RF 收发器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:30 系列:- 频率:4.9GHz ~ 5.9GHz 数据传输率 - 最大:54Mbps 调制或协议:* 应用:* 功率 - 输出:-3dBm 灵敏度:- 电源电压:2.7 V ~ 3.6 V 电流 - 接收:* 电流 - 传输:* 数据接口:PCB，表面贴装 存储容量:- 天线连接器:PCB，表面贴装 工作温度:-25°C ~ 85°C 封装/外壳:68-TQFN 裸露焊盘 包装:管件 |
| SX1211I084TRT | 制造商:Semtech Corporation 功能描述:GPSS WL SKU APP1 |
| SX1211I084TRT-CUT | 制造商:Semtech Corporation 功能描述: |
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