Others: hardware and software

Discuss hardware and software design challenges, including NOR flash storage, OTA updates, component ID, and thermal management.

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Interrupt and PEC handling

Posted on October 22, 2012 at 17:16I've read the manual like a billion times, and still can't find a very conclusive answer.  If the CPU instruction pointer is is an interrupt service routine, and a PEC transfer is requested.  What happens?  Does i...

drobison by Associate II
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VNH3SP30-E

Posted on October 11, 2012 at 15:00I would like to use a VNH3SP30-E to control the rotation of a dc motor. No PWM. My question is about the inputs, INA, INB, ENA and ENB. Do I need pullup and/or series resistors for these inputs? Can I just tie the ...

rcolman by Associate
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Flash Dump

Posted on October 09, 2012 at 10:59I have this problem with a ST10F269 mounted on an automotive ECU: the flash dump and programming go straightforward, even the programming with different software releases is OK.What I can't do is editing the data e...

Timer interrupt flag clear problem

Posted on June 21, 2012 at 10:27Hi.. We are using STR912FAW44 and keil 3 as IDE. We are using TIM0 in OCM1 mode with OC1 interrupt enabled.We are using a counter inside the interrupt, Interrupt count time is 100 ms, we have to measure 900 seconds, s...

gupta2 by Associate II
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STR912: problem writing boot code to Bank0

Posted on December 07, 2011 at 22:48Okay, I've learned how to move code to Bank1, and it executes properly. After having some problems getting bank1 booting to work, we decided to instead try copying our firmware into an external Flash chip and val...

UART half duplex Tx enable switching problem

Posted on June 04, 2012 at 16:19I'm implementing a half duplex communication on a STR912 mcu. My problem is the usual, to know when the last bit is transmitted in the last byte. This to know when to turn off the transmit enable to the RS485 driver....

tklausen by Associate
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about the programmer tools for ST30F752I

Posted on June 04, 2012 at 05:13Our product is AIRbag ECU. current process is offline program the micro processor and place onto PCB, now we want to change the process use on-board programmer. could you let me know which programmer tool is better fo...

meifang by Associate
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