TJA1043 - Delay Time

cancel
Showing results for 
Show  only  | Search instead for 
Did you mean: 

TJA1043 - Delay Time

247 Views
Pavithra_63
Contributor I

Hello Team,

Currently in my CAN gateway system im measuring the -  delay time from TXD to bus dominant, delay time from TXD to bus recessive, delay time from bus dominant to RXD,  delay time from bus recessive to RXD.

CAN Baudrate - 2Mbps

In Datasheet i found only typical values mentioned for the above listed parameters.

Pavithra_63_3-1778046069143.png

 

Can you share the Maximum value for the same.

Additionally please find the measured timing results in My system.

Pavithra_63_1-1778045984384.pngPavithra_63_2-1778046005179.png

Could confirm is the measured values is within the TJA1043 expected range? or else am i deviating??

TJA1043 

 

 

0 Kudos
Reply
4 Replies

232 Views
guoweisun
NXP TechSupport
NXP TechSupport

Hi Pavithra

Why is customer re-measuring these parameters, what problem do they try to solve?

 

0 Kudos
Reply

230 Views
Pavithra_63
Contributor I

Hi,

We are verifying the datasheet parameters in our CAN gateway as whole System.

 

0 Kudos
Reply

226 Views
guoweisun
NXP TechSupport
NXP TechSupport

Hi Pavithra

For your questions, indeed, only typical values are available for these parameters. That’s because the whole delay from TXD to RXD is also specified, with min and max (see attached datasheet and snapshot below).

guoweisun_1-1778051086540.png

Thanks!

 

0 Kudos
Reply

241 Views
guoweisun
NXP TechSupport
NXP TechSupport

Hi Pavithra

Normally we don't provide the data out of the datasheet but I will double check these for you and let you know later.

0 Kudos
Reply
%3CLINGO-SUB%20id%3D%22lingo-sub-2360867%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3ETJA1043%20-%20Delay%20Time%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-2360867%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%3CP%3EHello%20Team%2C%3C%2FP%3E%3CP%3ECurrently%20in%20my%20CAN%20gateway%20system%20im%20measuring%20the%20-%26nbsp%3B%20d%3CSTRONG%3Eelay%20time%20from%20TXD%20to%20bus%20dominant%2C%20delay%20time%20from%20TXD%20to%20bus%20recessive%2C%26nbsp%3Bdelay%20time%20from%20bus%20dominant%20to%20RXD%2C%26nbsp%3B%20delay%20time%20from%20bus%20recessive%20to%20RXD.%20%3C%2FSTRONG%3E%3C%2FP%3E%3CP%3E%3CSTRONG%3ECAN%20Baudrate%20-%202Mbps%3C%2FSTRONG%3E%3C%2FP%3E%3CP%3EIn%20Datasheet%20i%20found%20only%20typical%20values%20mentioned%20for%20the%20above%20listed%20parameters.%3C%2FP%3E%3CP%3E%3CSPAN%20class%3D%22lia-inline-image-display-wrapper%20lia-image-align-inline%22%20image-alt%3D%22Pavithra_63_3-1778046069143.png%22%20style%3D%22width%3A%20400px%3B%22%3E%3Cspan%20class%3D%22lia-inline-image-display-wrapper%22%20image-alt%3D%22Pavithra_63_3-1778046069143.png%22%20style%3D%22width%3A%20400px%3B%22%3E%3Cimg%20src%3D%22https%3A%2F%2Fcommunity.nxp.com%2Ft5%2Fimage%2Fserverpage%2Fimage-id%2F384449iF0AE19AB2F91A86F%2Fimage-size%2Fmedium%3Fv%3Dv2%26amp%3Bpx%3D400%22%20role%3D%22button%22%20title%3D%22Pavithra_63_3-1778046069143.png%22%20alt%3D%22Pavithra_63_3-1778046069143.png%22%20%2F%3E%3C%2Fspan%3E%3C%2FSPAN%3E%3C%2FP%3E%3CBR%20%2F%3E%3CP%3ECan%20you%20share%20the%20Maximum%20value%20for%20the%20same.%3C%2FP%3E%3CP%3EAdditionally%20please%20find%20the%20measured%20timing%20results%20in%20My%20system.%3C%2FP%3E%3CP%3E%3CSPAN%20class%3D%22lia-inline-image-display-wrapper%20lia-image-align-inline%22%20image-alt%3D%22Pavithra_63_1-1778045984384.png%22%20style%3D%22width%3A%20400px%3B%22%3E%3Cspan%20class%3D%22lia-inline-image-display-wrapper%22%20image-alt%3D%22Pavithra_63_1-1778045984384.png%22%20style%3D%22width%3A%20400px%3B%22%3E%3Cimg%20src%3D%22https%3A%2F%2Fcommunity.nxp.com%2Ft5%2Fimage%2Fserverpage%2Fimage-id%2F384447i7040B14454FA086A%2Fimage-size%2Fmedium%3Fv%3Dv2%26amp%3Bpx%3D400%22%20role%3D%22button%22%20title%3D%22Pavithra_63_1-1778045984384.png%22%20alt%3D%22Pavithra_63_1-1778045984384.png%22%20%2F%3E%3C%2Fspan%3E%3C%2FSPAN%3E%3CSPAN%20class%3D%22lia-inline-image-display-wrapper%20lia-image-align-inline%22%20image-alt%3D%22Pavithra_63_2-1778046005179.png%22%20style%3D%22width%3A%20400px%3B%22%3E%3Cspan%20class%3D%22lia-inline-image-display-wrapper%22%20image-alt%3D%22Pavithra_63_2-1778046005179.png%22%20style%3D%22width%3A%20400px%3B%22%3E%3Cimg%20src%3D%22https%3A%2F%2Fcommunity.nxp.com%2Ft5%2Fimage%2Fserverpage%2Fimage-id%2F384448i6ED48408F4088652%2Fimage-size%2Fmedium%3Fv%3Dv2%26amp%3Bpx%3D400%22%20role%3D%22button%22%20title%3D%22Pavithra_63_2-1778046005179.png%22%20alt%3D%22Pavithra_63_2-1778046005179.png%22%20%2F%3E%3C%2Fspan%3E%3C%2FSPAN%3E%3C%2FP%3E%3CP%3ECould%20confirm%20is%20the%20measured%20values%20is%20within%20the%20TJA1043%20expected%20range%3F%20or%20else%20am%20i%20deviating%3F%3F%3C%2FP%3E%3CP%3E%3CA%20href%3D%22https%3A%2F%2Fcommunity.nxp.com%2Ft5%2Fc-pwmxy87654%2FTJA1043%2Fpd-p%2FTJA1043%22%20class%3D%22lia-product-mention%22%20data-product%3D%221867-1%22%20target%3D%22_blank%22%3ETJA1043%3C%2FA%3E%26nbsp%3B%3C%2FP%3E%3CBR%20%2F%3E%3CBR%20%2F%3E%3C%2FLINGO-BODY%3E%3CLINGO-SUB%20id%3D%22lingo-sub-2360932%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%20translate%3D%22no%22%3ERe%3A%20TJA1043%20-%20Delay%20Time%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-2360932%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%3CP%3EHi%26nbsp%3B%3CSPAN%20class%3D%22UserName%20lia-user-name%20lia-user-rank-Contributor-I%20lia-component-message-view-widget-author-username%22%3E%3CA%20id%3D%22link_6%22%20class%3D%22lia-link-navigation%20lia-page-link%20lia-user-name-link%22%20href%3D%22https%3A%2F%2Fcommunity.nxp.com%2Ft5%2Fuser%2Fviewprofilepage%2Fuser-id%2F262145%22%20aria-label%3D%22View%20Profile%20of%20Pavithra_63%22%20target%3D%22_blank%22%3E%3CSPAN%20class%3D%22%22%3EPavithra%3C%2FSPAN%3E%3C%2FA%3E%3C%2FSPAN%3E%3C%2FP%3E%0A%3CP%3EFor%20your%20questions%2C%20indeed%2C%20only%20typical%20values%20are%20available%20for%20these%20parameters.%20That%E2%80%99s%20because%20the%20whole%20delay%20from%20TXD%20to%20RXD%20is%20also%20specified%2C%20with%20min%20and%20max%20(see%20attached%20datasheet%20and%20snapshot%20below).%3C%2FP%3E%0A%3CP%3E%3CSPAN%20class%3D%22lia-inline-image-display-wrapper%20lia-image-align-inline%22%20image-alt%3D%22guoweisun_1-1778051086540.png%22%20style%3D%22width%3A%20400px%3B%22%3E%3Cspan%20class%3D%22lia-inline-image-display-wrapper%22%20image-alt%3D%22guoweisun_1-1778051086540.png%22%20style%3D%22width%3A%20400px%3B%22%3E%3Cimg%20src%3D%22https%3A%2F%2Fcommunity.nxp.com%2Ft5%2Fimage%2Fserverpage%2Fimage-id%2F384463iB87B58B59C61644C%2Fimage-size%2Fmedium%3Fv%3Dv2%26amp%3Bpx%3D400%22%20role%3D%22button%22%20title%3D%22guoweisun_1-1778051086540.png%22%20alt%3D%22guoweisun_1-1778051086540.png%22%20%2F%3E%3C%2Fspan%3E%3C%2FSPAN%3E%3C%2FP%3E%0A%3CP%3EThanks!%3C%2FP%3E%0A%3CBR%20%2F%3E%3C%2FLINGO-BODY%3E%3CLINGO-SUB%20id%3D%22lingo-sub-2360917%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%20translate%3D%22no%22%3ERe%3A%20TJA1043%20-%20Delay%20Time%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-2360917%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%3CP%3EHi%2C%3C%2FP%3E%3CP%3EWe%20are%20verifying%20the%20datasheet%20parameters%20in%20our%20CAN%20gateway%20as%20whole%20System.%3C%2FP%3E%3CBR%20%2F%3E%3C%2FLINGO-BODY%3E%3CLINGO-SUB%20id%3D%22lingo-sub-2360913%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%20translate%3D%22no%22%3ERe%3A%20TJA1043%20-%20Delay%20Time%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-2360913%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%3CP%3EHi%26nbsp%3B%3CSPAN%20class%3D%22UserName%20lia-user-name%20lia-user-rank-Contributor-I%20lia-component-message-view-widget-author-username%22%3E%3CA%20id%3D%22link_6%22%20class%3D%22lia-link-navigation%20lia-page-link%20lia-user-name-link%22%20href%3D%22https%3A%2F%2Fcommunity.nxp.com%2Ft5%2Fuser%2Fviewprofilepage%2Fuser-id%2F262145%22%20aria-label%3D%22View%20Profile%20of%20Pavithra_63%22%20target%3D%22_blank%22%3E%3CSPAN%20class%3D%22%22%3EPavithra%3C%2FSPAN%3E%3C%2FA%3E%3C%2FSPAN%3E%3C%2FP%3E%0A%3CP%3EWhy%20is%20customer%20re-measuring%20these%20parameters%2C%20what%20problem%20do%20they%20try%20to%20solve%3F%3C%2FP%3E%0A%3CBR%20%2F%3E%3C%2FLINGO-BODY%3E%3CLINGO-SUB%20id%3D%22lingo-sub-2360881%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%20translate%3D%22no%22%3ERe%3A%20TJA1043%20-%20Delay%20Time%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-2360881%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%3CP%3EHi%26nbsp%3B%3CSPAN%3EPavithra%3C%2FSPAN%3E%3C%2FP%3E%0A%3CP%3ENormally%20we%20don't%20provide%20the%20data%20out%20of%20the%20datasheet%20but%20I%20will%20double%20check%20these%20for%20you%20and%20let%20you%20know%20later.%3C%2FP%3E%3C%2FLINGO-BODY%3E