Rainbow-electronics AT89C51SND1C Manual de usuario Pagina 193

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193
AT8xC51SND1C
4109E805106/03
Figure 148. SPI Master Waveforms (SSCPHA= 0)
Note: 1. SS handled by software using general purpose port pin.
Figure 149. SPI Master Waveforms (SSCPHA= 1)
Note: 1. SS handled by software using general purpose port pin.
MOSI
(input)
SCK
(SSCPOL= 0)
(output)
SS
(output)
SCK
(SSCPOL= 1)
(output)
MISO
(output)
T
CHCH
T
CLCX
T
CHCX
T
IVCL
T
CLIX
T
CHIX
T
IVCH
T
CHOV
T
CLOV
T
CHOX
T
CLOX
MSB IN BIT 6 LSB IN
MSB OUTPort Data LSB OUT Port DataBIT 6
T
CHCL
T
CLCH
MOSI
(input)
SCK
(SSCPOL= 0)
(output)
SS
(1)
(output)
SCK
(SSCPOL= 1)
(output)
MISO
(output)
T
CHCH
T
CLCX
T
CHCX
T
IVCL
T
CLIX
T
CHIX
T
IVCH
T
CHOV
T
CLOV
T
CHOX
T
CLOX
MSB IN BIT 6 LSB IN
MSB OUTPort Data LSB OUT Port DataBIT 6
T
CHCL
T
CLCH
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