Author Topic: [Rant] Weird pinout table  (Read 1035 times)

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Offline blueskull

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[Rant] Weird pinout table
« on: October 18, 2018, 06:55:51 pm »
Well, a picture is worth more than a thousand words... Look at how they say F to their customers.



Very funny.

Bonus if you can guess which company did this.
 

Offline station240

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Re: [Rant] Weird pinout table
« Reply #1 on: October 18, 2018, 07:00:47 pm »
Ball grid arrays are always confusing in datasheets, but this is pretty bad.
How more tables like this does this datasheet contain ?
 

Offline maginnovision

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Re: [Rant] Weird pinout table
« Reply #2 on: October 18, 2018, 07:03:40 pm »
PSoC (XRES was a give away)
 
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Offline blueskull

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Re: [Rant] Weird pinout table
« Reply #3 on: October 18, 2018, 07:22:11 pm »
Ball grid arrays are always confusing in datasheets, but this is pretty bad.
How more tables like this does this datasheet contain ?

Luckily, this is the only one.
 

Offline thm_w

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Re: [Rant] Weird pinout table
« Reply #4 on: October 18, 2018, 08:44:28 pm »
So its not sorted by Ball or by Name. Its like someone just started manually entering descriptions (the very first logic truth table I made was like that).
 

Offline blueskull

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Re: [Rant] Weird pinout table
« Reply #5 on: October 18, 2018, 08:50:13 pm »
So its not sorted by Ball or by Name. Its like someone just started manually entering descriptions (the very first logic truth table I made was like that).

It was sorted by pin order of the 100 pin QFP package. How stupid is that.
 
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Offline Nominal Animal

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Re: [Rant] Weird pinout table
« Reply #6 on: October 18, 2018, 11:47:19 pm »
Well, a picture is worth more than a thousand words...
Please tell me it was at least text in the PDF as opposed to an image, so you could just copy-paste it to somewhere to sort?

Making that an image (with rest of the specs as text in the PDF) would be a clear F-U, IMHO.
 

Offline VK3DRB

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Re: [Rant] Weird pinout table
« Reply #7 on: October 20, 2018, 03:22:31 am »
There is more and more stupidity in datasheets these days.

I have been working on a design that used an STM32 connected to an external NOR Flash using QSPI. Rather than using MOSI and MISO signals that are ubiquitous for SPI mode, some boofhead at ST decided to use SI and SO on both the STM and external flash chip app note on both the micro and the flash. And guess what? SI means Serial_In and SO means Serial_Out; not Slave_In and Slave_Out. So it is so easy to get the signals swapped, like the ubiquitous TX/RX dilemma. Nothing worse than ambiguity in a datasheet. MOSI and MISO were named as such for very good reasons.... to avoid confusion.

I think some tech writers out there have never worked as technicians or engineers. The best electronic design engineers tend to be those who have experience as debug or service technicians at some stage in their career. At least then they will understand the benefits of back annotating a PCB design during the early stages of a project, or having an accessible ground test point on the design. With mechanical engineers, the best are those who were brought up by their dads with a screwdriver in the hand or raised on a farm, because they are generally far more practically capable than someone who was brought up with servants or nannies.

There is some pleasure is reading TI, LT and AD datasheets :-+.  These companies hire very good technical communicators and have good processes to get their datasheets right.
 

Offline blueskull

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Re: [Rant] Weird pinout table
« Reply #8 on: October 20, 2018, 04:13:45 am »
There is some pleasure is reading TI, LT and AD datasheets :-+.  These companies hire very good technical communicators and have good processes to get their datasheets right.

Considering the chip is $18 at one pop, it's hard to accept the datasheet is so bad.
That being said, the PSoC tool is so good. That makes it an easy to use chip.
 

Online Nusa

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Re: [Rant] Weird pinout table
« Reply #9 on: October 20, 2018, 07:51:08 am »
So its not sorted by Ball or by Name. Its like someone just started manually entering descriptions (the very first logic truth table I made was like that).

It was sorted by pin order of the 100 pin QFP package. How stupid is that.

So the chart is missing a pin? There's only 99 balls listed.
 

Offline maginnovision

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Re: [Rant] Weird pinout table
« Reply #10 on: October 20, 2018, 03:41:56 pm »
So its not sorted by Ball or by Name. Its like someone just started manually entering descriptions (the very first logic truth table I made was like that).

It was sorted by pin order of the 100 pin QFP package. How stupid is that.

So the chart is missing a pin? There's only 99 balls listed.

No, the csp is 99 connections.
 


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