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toh:rca:dhg525

RCA DHG525

Hardware type : VoIP cable modem

(Similar to Thompson THG520)

Hardware Highlights

CPU RAM Flash Network USB(Network) USB (host) Serial JTag
Broadcom BCM3349 16MB 32MB 1 1 No Yes Yes

Installation

WIP

Hardware

Info

Rev 5.3

Architecture: MIPS
Vendor: Broadcom
Bootloader: CFE
System-On-Chip: Broadcom 3349KPB
VoIP Coprocessor: Broadcom 3341A0KPB
CPU Speed: 200 Mhz
Flash-Chip: Intel ?
Flash size: 32 MiB?
RAM-Chip: Hynix HY57V281620ET-H
RAM: 16 MiB SDRAM
VOIP RAM: Issi IS61LV6416 2MiB SRAM
Wireless: none
Ethernet: 1
USB(network): 1
USB(Host): No
Serial: Yes
JTAG: Yes

Photos

Model Number

Front:

Photo of front

Back:

Photo of back

Opening the case

Note: This will void your warranty!

  • To remove the cover simply remove the four rubber feet.
  • There are four T-10 Torx screws holding the bottom cover to the top cover.
  • Unplug the two connectors connecting the batteries to the PCB.

Main PCB

Photo of PCB

Serial

How to connect to Serial Port

JTAG

How to connect to JTAG interface, and how to reflash the device with JTAG tools

See port.jtag for more JTAG details.

Interfaces

WIP

Buttons

WIP

1 Button: Modem Reset

Tags

toh/rca/dhg525.txt · Last modified: 2013/06/07 12:14 (external edit)