Ambit256 Cable modem

This modem does not have a JTAG port, but we can access its flash via SPI.Use USB JTAG NT's new feature of SPI can do online programming the flash.


Board
Picture showing USB JTAG NT is connected. The red wire is for ISP


Connection
JTAG connector of USB JTAG NT SPI U300
Pin 3(TDI) Pin 5(SI)
Pin 5(TDO) Pin 2(SO)
Pin 9(TCK) Pin 6(SCK)
Pin 11(RESET) Pin 1 (CS)
Pin 2(GND) Pin 4(GND)
ISP Short pin as indicated in the picture.
The ISP method is found by one[]eye.


Definition. TAmbit256.xml
For programming, use UJmodem and it is similar to SB5102


Lasted Updated:December 31 2016

Vists since Jan 4,2009