DP301-010 receiver

DP301-010 or Bev 3100-010 satellite receiver.
The CPU of the board is LSI SC2000. The tool to debug the CPU is EJTAG (DMA).

Picture showing JTAG connector
JTAG Name JTAG connector of USB JTAG JTAG on DP301-010 16pin
You need to open the box like in the picture
JTAG on DP301-010 9 Pads
Some box has a rectangle hole on back showing 9 pads JTAG
TRST Pin 1 Pin 4 Pad 7
TDI Pin 3 Pin 3 Pad 5
TDO Pin 5 Pin 1 Pad 6
TMS Pin 7 Pin 9 Pad 3
TCK Pin 9 Pin 7 Pad 4
You need to convert the pins to the JTAG on DP receiver. Do not make the cable too long since the JTAG clock is very high and the cable should be as short as possible.

 

Flash Two 2MB 29LV160DB
Firmware 4MB $9FC00000-$9FEFFFFF
RAM 8MB $80000000-$807FFFFF

 

Definition in usbjtag.def Commands (usbjtag 0.12):
Name=DP301-010
Memory=Ram,0,0x80000000,800000
Memory=U23,1,0x9fc00000,0x200000
Memory=U22,1,0x9fe00000,0x1f0000
Memory=Eeprom,2,0,0x800
Programram=0x80020000
EepomRegAddr=0xBE250000
Endian=Little
IRLength=5
Protocol=EJTAG
DMA=Yes
ProbTrap=0
Backup script, firmware and EEPROM
// **************************
// DP 301-010 backup script
// **************************
detect
getram u22
getram u23
getram eeprom
save u22
save u23
save eeprom
Script to program flash and EEPROM (You must use script)
// **************************
// DP301-010 restore script
// **************************
detect
ldram u22
ldram u23
ldram eeprom
program eeprom
echo Power off the box and power onthe box, Press enter within 3 seconds.
echo Any other charactor with return exit the script.
pause
program u22
program u23

Rescue DP301-010 When box not fire up. Normal programming will not work.(Software 0.131)
// **************************
// DP301-010 rescue script
// **************************
detect
ldram u22
ldram u23
ldram eeprom
erase 9fc00000 6000
sprogram 9fc00000 6000
echo Power off the box and power onthe box, Press enter within 3 seconds.
echo Any other charactor with return exit the script.
pause
program u22
program u23
echo power off and power on the box.
pause
program eeprom

Lasted Updated:December 31 2016

Vists since Jan 4,2009