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toh:xiaomi:mir3c [2018/05/12 05:24]
tienthanh2509 [Serial port mod]
toh:xiaomi:mir3c [2018/05/12 09:44] (current)
tmomas cleanup
Line 3: Line 3:
 [[https://​xiaomi-mi.com/​wifi-routers/​xiaomi-mi-wifi-router-3c-white/​|Xiaomi Mi WiFi Router 3C]] is 802.11n wireless router based on the [[https://​www.mediatek.com/​products/​homeNetworking/​mt7628k-n-a|MediaTek MT7628N]] SoC. It has three Ethernet ports and one radio (2T2R MiMo). [[https://​xiaomi-mi.com/​wifi-routers/​xiaomi-mi-wifi-router-3c-white/​|Xiaomi Mi WiFi Router 3C]] is 802.11n wireless router based on the [[https://​www.mediatek.com/​products/​homeNetworking/​mt7628k-n-a|MediaTek MT7628N]] SoC. It has three Ethernet ports and one radio (2T2R MiMo).
  
-{{https://​farm1.staticflickr.com/​947/​41330145394_7ff2c191b2_z_d.jpg | Xiaomi Wifi router 3C (board top view)}} +===== Supported Versions =====
-{{https://​farm1.staticflickr.com/​972/​28177170518_ca6e384e98_z_d.jpg | Xiaomi Wifi router 3C (board top view)}}+
  
 +This device is currently (May 2018) **<color red>not supported</​color>​.**
 +
 +LEDE forum thread: [[https://​forum.lede-project.org/​t/​support-for-xiaomi-miwifi-3c/​11643]]
 +
 +===== Hardware Highlights =====
 +
 +^ CPU                         ^ Ram      ^ Flash    ^ Network ​    ^ WLAN   ^ USB      ^ Serial ​  ^ JTag   ^
 +| Mediatek MT7628N @ 575MHz ​  ​| ​ 64 MiB  |  16 MiB  |  3x 10/​100 ​ |  bgn   ​| ​ 1x 2.0  |   ​Yes ​   |   ? ​   |
 +
 +[[https://​wikidevi.com/​wiki/​Xiaomi_MiWiFi_3C]]
  
 ===== Hardware ===== ===== Hardware =====
 +==== Info ====
 +^ [[wp>​Instruction set]]               | [[wp>​MIPS architecture|MIPS]] ​  |
 +^ Vendor ​                              | [[wp>​MediaTek]] |
 +^ [[docs:​techref:​bootloader]] ​         | [[docs:​techref:​bootloader:​uboot|U-Boot + Xiaomi U-Boot]] |
 +^ [[docs:​techref:​hardware:​soc|System-On-Chip]] ​ | Mediatek MT7628N |
 +^ [[docs:​techref:​hardware:​cpu|CPU]] @Freq       | MIPS 24KEc V5.0 @575 MHz |
 +^ Flash size                           | 16MB NorFlash |
 +^ Flash Chip                           | [[http://​www.cypress.com/​file/​207521/​download|Spansion S34ML01G100TF100]] [[http://​www.winbond.com/​hq/​product/​code-storage-flash-memory/​serial-nor-flash/?​__locale=en&​partNo=W25Q128JV|Winbound W25Q128JV]] |
 +^ RAM size                             | 64 MiB DDR2 @ 800 Mhz  |
 +^ RAM Chip                             | [[http://​www.nanya.com/​en/​Product/​3779/​NT5TU64M16HG-AC|NT5TU64M16HG-AC]] |
 +^ Wireless No1                         | SoC-integrated:​ MT7628N 2x2 MIMO 802.11b/g/n (2.4 GHz) |
 +^ [[docs:​techref:​hardware:​switch]] ​    | MT7620 built-in 10/100 switch w/ vlan support ​ |
 +^ USB                                  | 1x USB2.0 |
 +^ [[docs:​techref:​hardware:​port.serial|Serial]] ​ | [[#​Serial|Yes]] |
  
-==== Detailed hardware ==== 
-| **[[wp>​Instruction set]]:​** ​              | [[wp>​MIPS architecture|MIPS]] ​  | 
-| **Vendor:​** ​                              | [[wp>​MediaTek]] | 
-| **[[docs:​techref:​bootloader]]:​** ​          | [[docs:​techref:​bootloader:​uboot|U-Boot + Xiaomi U-Boot]] | 
-| **[[docs:​techref:​hardware:​soc|System-On-Chip]]:​** ​ | Mediatek MT7628N | 
-| **[[docs:​techref:​hardware:​cpu|CPU]] @Freq** ​       | MIPS 24KEc V5.0 @575 MHz | 
-| **Flash size:​** ​                          | 16MB NorFlash | 
-| **Flash Chip:​** ​                          | [[http://​www.cypress.com/​file/​207521/​download|Spansion S34ML01G100TF100]] [[http://​www.winbond.com/​hq/​product/​code-storage-flash-memory/​serial-nor-flash/?​__locale=en&​partNo=W25Q128JV|Winbound W25Q128JV]] | 
-| **RAM size:​** ​                            | 64 MiB DDR2 @ 800 Mhz  | 
-| **RAM Chip:​** ​                            | [[http://​www.nanya.com/​en/​Product/​3779/​NT5TU64M16HG-AC|NT5TU64M16HG-AC]] | 
-| **Wireless No1:​** ​                        | SoC-integrated:​ MT7628N 2x2 MIMO 802.11b/g/n (2.4 GHz) | 
-| **[[docs:​techref:​hardware:​switch]]:​** ​             | MT7620 built-in 10/100 switch w/ vlan support ​ | 
-| **USB:​** ​                                 | 1x  | 
-| **[[docs:​techref:​hardware:​port.serial|Serial]]:​** ​ | [[#​Serial|Yes]] | 
  
-==== Video: Xiaomi ​Mi WiFi 3C Router Unboxing and Teardown ​====+==== Photos ==== 
 +{{https://​farm1.staticflickr.com/​947/​41330145394_7ff2c191b2_z_d.jpg?​400|Xiaomi ​Wifi router ​3C (board top view)}} 
 +{{https://​farm1.staticflickr.com/​972/​28177170518_ca6e384e98_z_d.jpg?​400|Xiaomi Wifi router 3C (board top view)}} 
 + 
 + 
 +==== Serial ==== 
 + 
 +-> [[docs:​techref:​hardware:​port.serial]] general information about the serial port, serial port cable, etc.
  
-===== Hardware mods ===== 
-==== Serial port mod ==== 
 Attaching 3 pins to J1 and connecting with a USB to TTL (CP2102 module) on COM4 115200bps using Putty console Attaching 3 pins to J1 and connecting with a USB to TTL (CP2102 module) on COM4 115200bps using Putty console
 From the COM 4: From the COM 4:
 <​code>​ <​code>​
-1 —— VCC (3.3V) (skip)+1 —— VCC (3.3V) (DO NOT CONNECT!)
 2 —— RX 2 —— RX
 3 —— GND 3 —— GND
 4 —— TX 4 —— TX
 </​code>​ </​code>​
 +
 Serial port works in one-way only (no input going through pin4). Serial port works in one-way only (no input going through pin4).
  
-<code>+^ Serial connection parameters\\ for Xiaomi Mi WiFi 3C | 115200, 8N1 | 
 + 
 +===== Bootlogs ===== 
 +==== OEM(?) bootlog ==== 
 + 
 +<WRAP bootlog>​ 
 +<nowiki>
 [04040D08][04040C0A] [04040D08][04040C0A]
 DDR Calibration DQS reg = 0000878A DDR Calibration DQS reg = 0000878A
Line 486: Line 507:
 Writing from /​tmp/​cfg_bak.tgz to cfg_bak ... Writing from /​tmp/​cfg_bak.tgz to cfg_bak ...
 Fri Dec  8 17:52:36 CST 2017 boot_check[4272]:​ Booting up finished. Fri Dec  8 17:52:36 CST 2017 boot_check[4272]:​ Booting up finished.
 +</​nowiki>​
 +</​WRAP>​\\
  
-</​code>​ 
- 
-You need use a programmer to unlock uBoot. 
  
 ===== Software Mods ===== ===== Software Mods =====
Line 498: Line 518:
  
  
-{{https://​farm1.staticflickr.com/​961/​42050976771_71e4b6519a_z_d.jpg | CH341A}}+{{https://​farm1.staticflickr.com/​961/​42050976771_71e4b6519a_z_d.jpg?400|CH341A}}
  
 ==== Bootloader Mods ==== ==== Bootloader Mods ====
  
 +You need use a programmer to unlock uBoot.
  
-===== Outside links ===== 
-[[https://​xiaomi-mi.com/​wifi-routers/​xiaomi-mi-wifi-router-3c-white/​|Xiaomi Mi WiFi Router 3C White]] 
-==== Reviews: ==== 
  
-{{tag>xiaomi ​MT7628N mediatek ramips 802.11bgn ethernet fastethernet 16flash 64ram 3port usb2.0}}+===== Tags ===== 
 +[[meta:​tags|How to add tags]] 
 +{{tag>​MT7628N mediatek ramips 802.11bgn ethernet fastethernet 16flash 64ram 3port usb2.0}}
toh/xiaomi/mir3c.txt · Last modified: 2018/05/12 09:44 by tmomas