Hi All, I use TMS320C6416 on my board.I write data 0x55555555 to
internal memory by css.Internal memory address is 0x8000.I read the
data of 0x8000.The data is 0x55555500.I write data many times .There
are errors in the internal memory low 8 bits.Could
anyone gives me some tips. Thanks very much!
Check Out Industry's First Single-Chip, Multi-Format, Real-Time HD Video
Transcoding Solution for Commercial & Consumer End Equipment: www.ti.com/dm6467
write c6416 internal memory error.
Started by ●January 18, 2008
Reply by ●January 18, 20082008-01-18
Mike-
> Hi All, I use TMS320C6416 on my board.I write data 0x55555555 to
> internal memory by css.Internal memory address is 0x8000.I read the
> data of 0x8000.The data is 0x55555500.I write data many times .There
> are errors in the internal memory low 8 bits.Could
> anyone gives me some tips. Thanks very much!
It's very unlikely your chip has an internal memory error like this. The worst I've
ever seen for a chip internal memory error over 25 years of engineering was one bit
in one location, that somehow got missed during mfg screening (or maybe the bit went
bad after mfg).
Are you are using CCS memory display window for this basic test? If not then what
method? What .gel file are you using with CCS?
-Jeff
Check Out Industry's First Single-Chip, Multi-Format, Real-Time HD Video Transcoding Solution for Commercial & Consumer End Equipment: www.ti.com/dm6467
> Hi All, I use TMS320C6416 on my board.I write data 0x55555555 to
> internal memory by css.Internal memory address is 0x8000.I read the
> data of 0x8000.The data is 0x55555500.I write data many times .There
> are errors in the internal memory low 8 bits.Could
> anyone gives me some tips. Thanks very much!
It's very unlikely your chip has an internal memory error like this. The worst I've
ever seen for a chip internal memory error over 25 years of engineering was one bit
in one location, that somehow got missed during mfg screening (or maybe the bit went
bad after mfg).
Are you are using CCS memory display window for this basic test? If not then what
method? What .gel file are you using with CCS?
-Jeff
Check Out Industry's First Single-Chip, Multi-Format, Real-Time HD Video Transcoding Solution for Commercial & Consumer End Equipment: www.ti.com/dm6467
Reply by ●January 19, 20082008-01-19
Mike-
> I am using CCS memory display window for this basic test.Beause
> this error I cannot load program to internal memory by CCS.There are
> one tms320c6416, two 16 bits SDRAM(make one 32 bits SDRAM),two dual-
> memory,two flash,one fpga.I think maybe these external components
> affect internal memory low 8 bits.The power of tms320c6416 is not
> good,make tms320c6416 works distable. what does mfg mean? Thank you .
External devices have no effect on internal mem unless it's something dramatic like a
short or output contention that is impacting the entire C6416 device.
Please explain "power of tms320c6416 is not good" -- what do you mean? Are you
saying you are measuring Vcc core to the C6416 and it's not correct? Are you saying
it exceeds the device spec for ripple? For 720 MHz you should see 1.4V, for 1 GHz
you should have 1.2V. Which one do you have?
-Jeff
P.S. Please post to the group, not to me.
Check Out Industry's First Single-Chip, Multi-Format, Real-Time HD Video Transcoding Solution for Commercial & Consumer End Equipment: www.ti.com/dm6467
> I am using CCS memory display window for this basic test.Beause
> this error I cannot load program to internal memory by CCS.There are
> one tms320c6416, two 16 bits SDRAM(make one 32 bits SDRAM),two dual-
> memory,two flash,one fpga.I think maybe these external components
> affect internal memory low 8 bits.The power of tms320c6416 is not
> good,make tms320c6416 works distable. what does mfg mean? Thank you .
External devices have no effect on internal mem unless it's something dramatic like a
short or output contention that is impacting the entire C6416 device.
Please explain "power of tms320c6416 is not good" -- what do you mean? Are you
saying you are measuring Vcc core to the C6416 and it's not correct? Are you saying
it exceeds the device spec for ripple? For 720 MHz you should see 1.4V, for 1 GHz
you should have 1.2V. Which one do you have?
-Jeff
P.S. Please post to the group, not to me.
Check Out Industry's First Single-Chip, Multi-Format, Real-Time HD Video Transcoding Solution for Commercial & Consumer End Equipment: www.ti.com/dm6467
Reply by ●January 19, 20082008-01-19
Mike,
You might start with a new TMS320C6416 as that one seems to have a hardware error.
R. Williams
---------- Original Message -----------
From: "mikexuxu"
To: c...
Sent: Fri, 18 Jan 2008 14:29:30 -0000
Subject: [c6x] write c6416 internal memory error.
> Hi All, I use TMS320C6416 on my board.I write data 0x55555555 to
> internal memory by css.Internal memory address is 0x8000.I read the
> data of 0x8000.The data is 0x55555500.I write data many times .There
> are errors in the internal memory low 8 bits.Could
> anyone gives me some tips. Thanks very much!
------- End of Original Message -------
Check Out Industry's First Single-Chip, Multi-Format, Real-Time HD Video Transcoding Solution for Commercial & Consumer End Equipment: www.ti.com/dm6467
You might start with a new TMS320C6416 as that one seems to have a hardware error.
R. Williams
---------- Original Message -----------
From: "mikexuxu"
To: c...
Sent: Fri, 18 Jan 2008 14:29:30 -0000
Subject: [c6x] write c6416 internal memory error.
> Hi All, I use TMS320C6416 on my board.I write data 0x55555555 to
> internal memory by css.Internal memory address is 0x8000.I read the
> data of 0x8000.The data is 0x55555500.I write data many times .There
> are errors in the internal memory low 8 bits.Could
> anyone gives me some tips. Thanks very much!
------- End of Original Message -------
Check Out Industry's First Single-Chip, Multi-Format, Real-Time HD Video Transcoding Solution for Commercial & Consumer End Equipment: www.ti.com/dm6467
Reply by ●January 19, 20082008-01-19
Thanks Jeff
I am using CCS memory display window for this basic test.Beause this error I cannot load program to internal memory by CCS.There are one tms320c6416, two 16 bits SDRAM(make one 32 bits SDRAM),two dual-memory,two flash,one fpga.I think maybe these external components affect internal memory low 8 bits.The power of tms320c6416 is not good,make tms320c6416 works distable. what does mfg mean? Thank you .
Hi All, I use TMS320C6416 on my board.I write data 0x55555555 to
>internal memory by css.Internal memory address is 0x8000.I read the
>data of 0x8000.The data is 0x55555500.I write data many times .There
>are errors in the internal memory low 8 bits.Could
>anyone gives me some tips. Thanks very much!
>
>Check Out Industry's First Single-Chip, Multi-Format, Real-Time HD Video Transcoding Solution for Commercial & Consumer End Equipment: www.ti.com/dm6467
Check Out Industry's First Single-Chip, Multi-Format, Real-Time HD Video Transcoding Solution for Commercial & Consumer End Equipment: www.ti.com/dm6467
I am using CCS memory display window for this basic test.Beause this error I cannot load program to internal memory by CCS.There are one tms320c6416, two 16 bits SDRAM(make one 32 bits SDRAM),two dual-memory,two flash,one fpga.I think maybe these external components affect internal memory low 8 bits.The power of tms320c6416 is not good,make tms320c6416 works distable. what does mfg mean? Thank you .
Hi All, I use TMS320C6416 on my board.I write data 0x55555555 to
>internal memory by css.Internal memory address is 0x8000.I read the
>data of 0x8000.The data is 0x55555500.I write data many times .There
>are errors in the internal memory low 8 bits.Could
>anyone gives me some tips. Thanks very much!
>
>Check Out Industry's First Single-Chip, Multi-Format, Real-Time HD Video Transcoding Solution for Commercial & Consumer End Equipment: www.ti.com/dm6467
Check Out Industry's First Single-Chip, Multi-Format, Real-Time HD Video Transcoding Solution for Commercial & Consumer End Equipment: www.ti.com/dm6467
