DS92LX2122 Programing issue?

hisakichi kobayashi

Other Parts Discussed in Thread: DS92LX2122

Hi all,

It is GRAPHTEC, my user.
As for the document of April 2013 which there was a statement when bit [7:5] of the register 0x27 was set to [111] and it could avoid, but had come to hand, a register has a statement only to 0x26.
(Sep at the time of development and 2010 had a statement only to 0x25 primarily)
Does register correspondence of 0x27 have the propriety of the correspondence by production time?

Then,
What kind of setup do you become by setting bit [7:5] of the register 0x27 to [111], and what kind of operation carry out?
There is no statement of concrete explanation, and I think if there is technical information of the hit since it is only the statement of Users MUST program this value.
Although it may be severe for details, it will be saved if you carry out a certain amount of contents indication.

Best regards,,, Hisakichi Kobayashi.

over 10 years ago

0 hisakichi kobayashi over 10 years ago

Intellectual 950 points

Hi all,

It is DS92LX2122 Register table,

What kind of setup do you become by setting bit [7:5] of the register 0x27 to [111],
　and what kind of operation carry out?
Moreover, since it is only the statement of Users MUST program this value.,
　there is no statement of concrete explanation, and what is it as a motion?

Regards,

Hisakichi Kobayashi.

0 Nasser Mohammadi over 10 years ago in reply to hisakichi kobayashi

TI__Guru* 93670 points

Greetings Hisakichi-San,

If you are using a good quality cable, then Register 0x27 default value could be fine. But for general cable quality the user may need to set register 0x=27 = 0xE0. Please refer to the data sheet for further details regarding transmission media as well.

Regards,,nasser

0 hisakichi kobayashi over 10 years ago in reply to Nasser Mohammadi

Intellectual 950 points

Hi Nasser,

At the newest datasheet of 2014.1.17 issue, it is a setup of 0x27 register.
0xE0: Normal operation mode. Users MUST program this value.

With the affair of register writing, a lot is old about the above,
This measure is implemented, About whether there is any problem, Isn't there any information?

By the apparatus sold in early stages, Firmware update of a measure is carried out,
It would like to check whether fault occurs.

Regards,,

Hisakichi Kobayashi.

0 Nasser Mohammadi over 10 years ago in reply to hisakichi kobayashi

TI__Guru* 93670 points

Hisakichi-San,

Register 0x27 content is a function of the cable type/quality used. If the customer used Register 0x27 = 0x00, default value, and they did not observe a problem this means the cable quality was good enough. Register 0x27 = 0xE0 can work across a wider range of cable types.

Regards,,nasser

0 hisakichi kobayashi over 10 years ago in reply to Nasser Mohammadi

Intellectual 950 points

Hi Nasser,

I understand your reply.

Are the contents of the register 0x27 all right if which of 0x00 or 0xE0 is used?

Regards,

Hisakichi Kobayashi.

0 Nasser Mohammadi over 10 years ago in reply to hisakichi kobayashi

TI__Guru* 93670 points

Greetings,

Our recommendation is to use 0xE0 for the register 0x27 content.

Regards,,nasser

0 hisakichi kobayashi over 10 years ago in reply to Nasser Mohammadi

Intellectual 950 points

Hi nasser,

Your answer is yousfull, Thank you.

Regards,,

Hisakichi Kobayashi.

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DS92LX2122 Programing issue?