ATXMEGA128A4U-AU Datasheet, PDF (78/121 Pages) ATMEL Corporation – 8/16-bit Atmel XMEGA A4U Microcontroller

XMEGA A4U
35.15 SPI Characteristics
Figure 35-4. SPI Interface Requirements in Master mode
SS
tMOS
SCK
(CPOL = 0)
SCK
(CPOL = 1)
MISO
(Data Input)
MOSI
(Data Output)
tMIS
tMIH
MSB
tMOH
MSB
tSCKR
tSCKF
tSCKW
tSCKW
tSCK
LSB
LSB
tMOH
Figure 35-5. SPI Timing Requirements in Slave mode
SS
tSSS
SCK
(CPOL = 0)
SCK
(CPOL = 1)
MOSI
(Data Input)
tSOSSS
MISO
(Data Output)
tSIS
tSIH
MSB
tSOS
MSB
tSCKR
tSCKF
tSSH
tSSCKW
tSSCKW
tSSCK
LSB
LSB
tSOSSH
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8387A–AVR–07/11