Last modified by Xiaoling on 2023/09/19 09:20
<
From version < 162.6
edited by Xiaoling
on 2023/09/19 09:20
To version < 148.5 >
edited by Xiaoling
on 2022/09/26 14:40
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Summary

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Content
... ... @@ -8,6 +8,7 @@
8 8  
9 9  = 1.  LA66 LoRaWAN Module =
10 10  
11 +
11 11  == 1.1  What is LA66 LoRaWAN Module ==
12 12  
13 13  
... ... @@ -48,6 +48,7 @@
48 48  )))
49 49  
50 50  
52 +
51 51  == 1.2  Features ==
52 52  
53 53  
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61 61  * Firmware upgradable via UART interface
62 62  * Ultra-long RF range
63 63  
66 +
67 +
64 64  == 1.3  Specification ==
65 65  
66 66  
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82 82  * LoRa Rx current: <9 mA
83 83  * I/O Voltage: 3.3v
84 84  
89 +
90 +
85 85  == 1.4  AT Command ==
86 86  
87 87  
88 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in[[ AT Command documents>>https://www.dropbox.com/scl/fi/3mll5vn9wd446wuk7fwtn/LA66-AT-commands.pdf?rlkey=webesgp6himl162wnx7xssqa1&dl=0]].
94 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in[[ AT Command documents>>https://www.dropbox.com/sh/wtq43za8sykpgta/AABAEE02uEAsRU-JV7bzEhMba?dl=0]].
89 89  
96 +
97 +
90 90  == 1.5  Dimension ==
91 91  
92 92  
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93 93  [[image:image-20220718094750-3.png]]
94 94  
95 95  
104 +
96 96  == 1.6  Pin Mapping ==
97 97  
98 98  [[image:image-20220720111850-1.png]]
99 99  
100 100  
110 +
101 101  == 1.7  Land Pattern ==
102 102  
103 103  
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104 104  [[image:image-20220517072821-2.png]]
105 105  
106 106  
117 +
107 107  = 2.  FAQ =
108 108  
109 -== 2.1  Where to find examples of how to use LA66? ==
110 110  
121 +== 2.1  How to Compile Source Code for LA66? ==
111 111  
112 -(% class="wikigeneratedid" %)
113 -Below products are made by LA66. User can use their examples as reference:
114 114  
115 -* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
116 -* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
117 -
118 -== 2.2  How to Compile Source Code for LA66? ==
119 -
120 -
121 121  Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
122 122  
123 123  
124 -== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
125 125  
128 +== 2.2 Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
126 126  
130 +
127 127  Yes, this is possible, user can refer[[ the source code from ASR >>https://github.com/asrlora/asr_lora_6601/tree/master/projects/ASR6601SE-EVAL/examples/lora]]to get examples for how to its I/O Interfaces.
128 128  
129 129  
130 -== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
131 131  
135 +== 2.3  Where to find Peer-to-Peer firmware of LA66? ==
132 132  
137 +
133 133  Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.Instruction for LA66 Peer to Peer firmware.WebHome]]
134 134  
135 135  
136 -== 2.5 How can i use J-LInk to debug LA66? ==
137 137  
138 -
139 -(% style="color:#037691" %)**The steps are as follows:**
140 -
141 -
142 -(% style="color:blue" %)**1. Install J-Link software from**
143 -
144 -[[https:~~/~~/www.segger.com/downloads/jlink/>>url:https://www.segger.com/downloads/jlink/]]
145 -
146 -
147 -(% style="color:blue" %)**2. Expose PA6 / PA7 / RSTN of LA66.**
148 -
149 -
150 -[[image:image-20230605151850-1.png||height="676" width="640"]]
151 -
152 -
153 -[[image:image-20230605151850-2.png]]
154 -
155 -(% style="display:none" %) (%%)
156 -
157 -(% style="color:blue" %)**3. Connect JLINK, and switch mother board SW1 to ISP. Wire connection as below:**
158 -
159 -
160 -**LA66 PA6 < ~-~- > JLINK SWDIO (Pin 7)**
161 -
162 -**LA66 PA7 < ~-~- > JLINK SWCLK (Pin 9)**
163 -
164 -**LA66 RSTN < ~-~- > JLINK RESET (Pin 15)**
165 -
166 -**LA66 GND  < ~-~- > JLINK GND (Pin 8)**
167 -
168 -[[image:image-20230605151850-3.png||height="629" width="1182"]]
169 -
170 -(% style="display:none" %) (%%)
171 -
172 -(% style="color:blue" %)**4. Copy \SN50v3\tools\FLM\ASR6601.FLM to \Keil\ARM\ Flash\**
173 -
174 -(% style="display:none" %) [[image:image-20230605151850-4.png]]
175 -
176 -
177 -**Add ASR6601 256KB Flash to Flash Download**
178 -
179 -[[image:image-20230605152412-12.png]]
180 -
181 -
182 -[[image:image-20230605151851-6.png]]
183 -
184 -
185 -(% style="color:blue" %)**5. Modify \SN50v3\Projects\Applications\DRAGINO-LRWAN-AT\cfg\gcc.ld, to 0x08000000.**
186 -
187 -
188 -[[image:image-20230605151851-7.png]]
189 -
190 -[[image:image-20230605151851-8.png]]
191 -
192 -
193 -(% style="color:red" %)**Note: After debug, user should change the Flash address back to 0x0800D000, and upload the OTA bootloader to LA66. Otherwise, the compiled program doesn't support OTA update.**
194 -
195 -
196 -(% style="color:blue" %)**6. Comment the low power function in main.c.**
197 -
198 -
199 -[[image:image-20230605151851-9.png]]
200 -
201 -
202 -(% style="color:blue" %)**Click Debug mode to debug.**
203 -
204 -[[image:image-20230605151851-10.png||height="293" width="1275"]]
205 -
206 -
207 -[[image:image-20230605151851-11.png||height="739" width="1275"]](% style="display:none" %)
208 -
209 -(% style="display:none" %) (%%)
210 -
211 211  = 3.  Order Info =
212 212  
213 213  
214 214  **Part Number:**  (% style="color:blue" %)**LA66-XXX**
215 215  
147 +
216 216  (% style="color:blue" %)**XXX**(%%): The default frequency band
217 217  
218 218  * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
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225 225  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
226 226  * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
227 227  
228 -= 4.  FCC Statement =
229 229  
230 -
231 -(% style="color:red" %)**FCC Caution:**
232 -
233 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
234 -
235 -This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
236 -
237 -
238 -(% style="color:red" %)**IMPORTANT NOTE: **
239 -
240 -(% style="color:red" %)**Note:**(%%) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
241 -
242 -—Reorient or relocate the receiving antenna.
243 -
244 -—Increase the separation between the equipment and receiver.
245 -
246 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
247 -
248 -—Consult the dealer or an experienced radio/TV technician for help.
249 -
250 -
251 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
252 -
253 -This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
254 -
255 255  
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