CG3100D Cable modem

NETGEAR CG3100D
This modem DOCSIS 3.0 modem and has BCM3380 CPU. It employs 8M SPI flash.Use USB JTAG NT's can program the flash ISP.


The SPI chip
The ISP pin uses pin 4 of USB JTAG NT. When USB JTAG NT is unplugged it works as regular modem>


Connection
JTAG connector of USB JTAG NT Pin on the flash
Pin 4(GND) ISP
Pin 3(TDI) Pin 15(SI)
Pin 5(TDO) Pin 8(SO)
Pin 9(TCK) Pin 16(SCK)
Pin 11(RESET) Pin 7 (CS)
Pin 2(GND) Pin 10(GND)

Lasted Updated:December 09 2011

Vists since Jan 4,2009