FTA Pansat 3500 receiver

FTA Pansat 3500 satellite receiver.
The CPU of the board is STi5518. The tool to debug the JTAG DCU.

Picture showing JTAG connector
JTAG Name JTAG connector of USB JTAG JTAG on Pansat 3500
You need to open the box like in the picture
TRST Pin 1 Pin 19
TDI Pin 3 Pin 13
TDO Pin 5 Pin 15
TMS Pin 7 Pin 9
TCK Pin 9 Pin 11

If can not dectect the flash too many times you must connect BtSrc1 to the ground.

You need to convert the pins to the JTAG on IRD receiver. Do not make the cable too long since the JTAG clock is very high and the cable should be as short as possible.

 

Definition in usbjtag.def Commands (usbjtag 0.141):
Test:
Name=Pansat
IRLength=5
Memory=Ram,0,0x80000000,0x10000
Memory=Firm,1,0x7FE00000,0x200000
Programram=0x80000200
DCUReg=0x3000
Protocol=DCU
Eepromprot=1
Endian=Little
Init=0x2000,0xB291
Init=0x2010,0xB6D1
Init=0x2020,0xB291
Init=0x2030,0xB6D1
 Backup firmware
detect

1. Unplug USB cable.
2. Power off Pansat 3500.
3. Power on 3500
4. Connect USB to PC
detect again untill you not get ffff,ffff in the flash.
 getram firm(backup firmware)
save firm


Program flash
detect
ldram firm
erase firm
sprogram firm
cmpram firm
(ST20 core does not have program command support now. You must erase and then sprogram).

            

Lasted Updated:December 31 2016

Vists since Jan 4,2009