DCM315 Taiwan Cable modem

RCA DCM315 Taiwan surfboard
The CPU of the board uses BCM3348. The tool to debug the CPU is EJTAG (DMA).

Picture showing board front
Picture showing back of the board. J202 is JTAG
Jtag pins soldered

JTAG Name JTAG connector of USB JTAG NT JTAG on DCM315
TRST Pin 1 Pin 1
TDI Pin 3 Pin 2
TDO Pin 5 Pin 3
TMS Pin 7 Pin 4
TCK Pin 9 Pin 5
GND Pin 2 Pin 6

Flash One 2MB 28F160C3
Firmware 2MB $9FC00000-$9FDFFFFF
RAM 16MB $80000000-$81000000


The CPU is compatible with SB5100 and you can use testing as SB5100. If you use UJModem select SB5100 as your target.
Lasted Updated:December 31 2016

Vists since Jan 4,2009