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 BitsyX voltage and JTAG programming		  Forum Locked
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emerendsouza

22 Posts
Posted - 04 Jun 2004 :  08:30:13  Show Profile
When using the JTag the bitsyx board needs to be powered using the 2 pins on the board. What is the voltage requirement?

akidder

1519 Posts
Posted - 04 Jun 2004 :  08:51:11  Show Profile
The voltage is the same as specified in the BitsyX manual. Generally, we use 12V since it's an easy voltage to find on power supplies. TIP: the 3-pin power connector that we use on the personality board can be slipped over the 2-pin header on the BitsyX board to supply power.

Depending on the JTAG plug you use, you might also be able to reach the JTAG connector from the side without removing the personality board.
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emerendsouza

22 Posts
Posted - 04 Jun 2004 :  09:13:05  Show Profile
I get an error message when I try to program
C:\GIVEIO>jtagc0 adsload.rom
JFLASH Version 2.10.000 - Bitsy X - PXA250
COPYRIGHT (C) 2000-2002 Intel Corporation
CPLD
End CPLD
Check IDXCR3064 detected
PXA250 revision ??

PXA250 detected
There are two 16-bit Flash devices in parallel

Characteristics for one device:
Number of blocks in device = 128
Block size = 65536 0x10000 word(16-bit)
Device size = 8388608 0x800000 word(16-bit)

Sample block to address list:

Block 0 = hex address: 00000000
Block 40 = hex address: 00A00000
Block 80 = hex address: 01400000
Block 120 = hex address: 01E00000
The last 49 percent of image file is all zeros
Would you like to save time by not programming that area? [y/n]: y
Test_Lock_Flash
Starting erase
Error, Block erase timed out
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akidder

1519 Posts
Posted - 07 Jun 2004 :  12:34:28  Show Profile
Not sure what is going on with this one, but the version of jflashmm that I sent you should work.

Cheers, Drew

p.s. I changed the title from "BitsyX Voltage" to "BitsyX voltage and JTAG programming" to clarify the content of this thread.
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