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JTAG_GPIO.PNG [ 9.61 KiB | Viewed 4436 times ] |
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| gpio pins 1-4 https://www.8devices.com/community/viewtopic.php?f=23&t=1052 |
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| Author: | rraasch [ 11 Aug 2017, 10:09 ] |
| Post subject: | gpio pins 1-4 |
It seems that I am unable to control GPIOs 1-4. All the others can be controlled fine. In the datasheet, these pins belong to JTAG *. How do I disable JTAG ? Or are these gpios unavailable for use? Cheers |
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| Author: | gedass [ 11 Aug 2017, 10:22 ] | ||
| Post subject: | Re: gpio pins 1-4 | ||
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| Author: | rraasch [ 11 Aug 2017, 10:59 ] |
| Post subject: | Re: gpio pins 1-4 |
Where is this document found? |
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| Author: | gedass [ 11 Aug 2017, 12:59 ] |
| Post subject: | Re: gpio pins 1-4 |
Address: 0x1804006C (GPIO_Function) Bit 1: set to "1" (Disable JTAG port functionality to enable GPIO functionality) (default = 0) |
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| Author: | rraasch [ 16 Aug 2017, 07:34 ] |
| Post subject: | Re: gpio pins 1-4 |
Thanks for the answer |
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