STICK`s test pin voltage value

[yasuhiro]

Posted on February 17, 2006 at 00:45

STICK`s test pin voltage value

[yasuhiro]

Posted on January 31, 2006 at 01:06

Hello,I am Pop from Japan.

Would you please give me your advice?

We have ST7 STICK and EPB(ST7MDT10-SB/123).

Now, We are trying to setup ST7 STICK and EPB with PC for programming ST7 microcomputer.

However,We may broken ST7 STICK during try to setup.

Because we measured ST7 STICK `s test pin2-4 voltage value.

Our measure result was that pin2(external power voltage )value is 10.7V and pin3(Vcc voltage) value is 2.3V.

The STICK user manual write that pin2 value should be 13.5[V] to 23[V] and pin 3 value is regulated at 5[V].

We think that our pin value has problem.

What do you think ?

Also , What should we do for repair it

By the way , We have some questions about ST7 STICK and EPB.

Would you please give us answer ?

・How should we connect W1 Jumper of STICK and EPB?

We don`t understand about them…. Our microcomputar supply voltage VDD is 5[V]. So, Should we connect W1 Jumper at 5V position ? , But Can we connect W1 Jumper at VDD potition too ? Would you please tell us 5V potition and VDD potition differences or relation ?

・Is there order of connect when we connect STICK and EPB to PC ? If there is order of connect ,What kind of order should we connect them?

・What kind of situation STICK and EPB broken ?

・If test pin become electric short , Are STICK and EPB destroyed ?

・If we suddenly disconnect AC/DC power supply keep on connect pararell cable to PC, Is it problem?　

That`s all. Thank you for your reply.

:-[

[ This message was edited by: Pop on 02-02-2006 09:25 ]

[yasuhiro]

Posted on February 17, 2006 at 00:45

Dear Mr Laurent

Thank you so much for your advice and kindness !!.

I am so glad !!

Now , we are trying to program again.

We will contact you later if we have any further questions.

Thank you so much again.

Pop from Japan