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toh:linksys:wrh54g [2015/10/12 19:27] – Links to media adjusted + resized tmomastoh:linksys:wrh54g [2015/10/18 15:23] – ↷ Links adapted because of a move operation tmomas
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 +====== Linksys WRH54G ======
 +===== Hardware Highlights =====
 +^ SoC                    ^ Ram    ^ Flash   ^ Network   ^ USB   ^ Serial   ^ JTag   ^
 +| Broadcom BCM5354KFBG   | 8MiB   | 2MiB    | 4 x 1     | No    | Yes      | ?      |
 +
 +Manufacturer's site: [[http://support.linksys.com/en-us/support/routers/WRH54G]]
 +
 +===== Hardware =====
 +==== Info ====
 +| **[[wp>Instruction set]]:**               | [[wp>MIPS architecture|MIPS 32]] |
 +| **Vendor:**                               | [[wp>Broadcom]] |
 +| **[[doc:hardware:soc|System-On-Chip]]:**  | Broadcom BCM5354KFBG |
 +| **[[doc:hardware:cpu|CPU]] @Frq**         | 240 MHz |
 +| **Flash size:**   | 2 MiB                     |
 +| **Flash Chip:**   | Samsung K8D1716UBC        |
 +| **RAM size:**     | 8 MiB                     |
 +| **RAM Chip:**     | Samsung K4S641632K-UC75   |
 +| **[[doc:hardware:port.serial|Serial]]:**  | [[#Serial|Yes]] |
 +
 +==== Photos ====
 +//Front://\\
 +{{media:linksys:wrh54g_case.jpg?400|outer case}}
 +
 +==== Opening the case ====
 +**Note:** This will void your warranty!
 +
 +To remove the cover, remove the 4 feet and use a torx T-10 with hole or 2.5mm flathead to remove the screws.
 +
 +//Main PCB://\\
 +{{media:linksys:wrh54g_board.jpg?400|circuit board}}
 +
 +==== Serial ====
 +-> [[doc:hardware:port.serial]] general information about the serial port, serial port cable, etc.
 +
 +There is an unfilled five-pin header labeled JP1 which is a 3.3V TTL [[doc:hardware:port.serial|serial port]]. Experimentation with an oscilloscope indicates that it runs at 115200 8N1, but I'm waiting on the arrival of my serial adapter to verify. I believe this is the correct pinout, but I'm not certain about RxD and NC.
 +
 +{{media:linksys:wrh54g_serial_pinout.png|serial pinout diagram}}
  
  • Last modified: 2018/03/31 23:23
  • by bobafetthotmail