Programming Microwire through single SDIO rail?

An USB programmer for PIC, dsPIC, AVR, serial memories

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Programming Microwire through single SDIO rail?

Forum: Open Discussion

Creator: Anonymous

Created: 2015-08-12

Updated: 2015-10-03

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Anonymous - 2015-08-12

Hi,

By default, microwire memory has separate DI and DO rail.
But some ICs can use DI as single SDIO rail by connecting DO to DI via 10-100k resistor.

Does OpenProg handles microwire programming through single SDIO rail?
How to connect RB0 and RC7 on hardware level to allow direct SDIO programming?

Hi, By default, microwire memory has separate DI and DO rail. But some ICs can use DI as single SDIO rail by connecting DO to DI via 10-100k resistor. Does OpenProg handles microwire programming through single SDIO rail? How to connect RB0 and RC7 on hardware level to allow direct SDIO programming?

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Alberto Maccioni - 2015-09-30

Single SDIO is not microwire; maybe you mean UNIO or onewire

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Anonymous - 2015-10-01

Thanks for reply.

I mean TC9WMC2 (Toshiba).
In Data Sheet there is chapter 3. "Notes on Use" (page 10).
"(3) Erroneous detection of a start bit" - an example of joined SIO bus in microwire interface.

Thanks for reply. I mean TC9WMC2 (Toshiba). In Data Sheet there is chapter 3. "Notes on Use" (page 10). "(3) Erroneous detection of a start bit" - an example of joined SIO bus in microwire interface.

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Alberto Maccioni - 2015-10-03

In principle you can join DI and DO, no change to protocol or any command, but I never tried.
The device anyways has two pins, so why not using the standard connection?

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