Rainbow-electronics AT90SO4 Manuel d'utilisateur télécharger pdf (Page 11)

AT90SO4

6579A–SMS–29Jan10

Table 7. High Speed SPI characteristics in Slave Mode (2.7V - 5.50V range; T= -25°C to +85°C)

Symbol Parameter Condition Min. Typ. Max. Units

SCKfalling

SCK falling to MISO Delay

OUT

=10pF

OUT

=20pF

13 ns

SCKrising

SCK rising to MISO Delay

OUT

=10pF

OUT

=20pF

13 ns

MOSIsetup

MOSI Setup time before SCK rises

OUT

=10pF

OUT

=20pF

10 ns

MOSIhold

MOSI Hold time after SCK rises

OUT

=10pF

OUT

=20pF

10 ns

t’

MOSIsetup

MOSI Setup time before SCK falls

OUT

=10pF

OUT

=20pF

10 ns

t’

MOSIhold

MOSI Hold time after SCK falls

OUT

=10pF

OUT

=20pF

10 ns

SSsetup

SS Setup time

OUT

=10pF

OUT

=20pF

10 ns

dat->dat

Interbyte delay

OUT

=10pF

OUT

=20pF

10 ns

SCK

Slave frequency

OUT

=10pF

OUT

=20pF

20 MHz

1 2 ... 6 7 8 9 10 11 12 13

Features 1
AT90SO4 10
AT90SO4 11
Regional Headquarters 13

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