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Forum Index : Microcontroller and PC projects : MM/CMM: SPI data format

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Juri74

Senior Member

Joined: 06/02/2012
Location: Italy
Posts: 162
Posted: 10:23pm 18 Jul 2013
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Hello all,
a quick question:
suppose the byte &b11110000
i will send it to a device using spi command void=spi(rx,tx,clk,byte)

wich bit is sent first? MSB (1) or LSB (0)?

thank you!
 
MicroBlocks

Guru

Joined: 12/05/2012
Location: Thailand
Posts: 2209
Posted: 10:50pm 18 Jul 2013
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RTFM

Page 53:
Transmission Format
The most significant bit is sent and received first. The format of the transmission can be specified by the 'mode'
as follows:
Edited by TZAdvantage 2013-07-20
Microblocks. Build with logic.
 
Juri74

Senior Member

Joined: 06/02/2012
Location: Italy
Posts: 162
Posted: 11:09am 19 Jul 2013
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Oh dear, i read & read it so many times.. i think i need glasses...
 
Grogster

Admin Group

Joined: 31/12/2012
Location: New Zealand
Posts: 9502
Posted: 01:06pm 19 Jul 2013
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We've all done that before!
Smoke makes things work. When the smoke gets out, it stops!
 
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