Datasheet

 2018 Microchip Technology Inc. Data Sheet Complete DS40002059A-page 97
ATxmega32E5/16E5/8E5
Table 36-29. SPI Timing Characteristics and Requirements
Symbol Parameter Condition Min. Typ. Max. Units
t
SCK
SCK period Master
ns
t
SCKW
SCK high/low width Master 0.5×SCK
t
SCKR
SCK rise time Master 2.7
t
SCKF
SCK fall time Master 2.7
t
MIS
MISO setup to SCK Master 10
t
MIH
MISO hold after SCK Master 10
t
MOS
MOSI setup SCK Master 0.5×SCK
t
MOH
MOSI hold after SCK Master 1.0
t
SSCK
Slave SCK Period Slave
4×t Clk
PE
R
t
SSCKW
SCK high/low width Slave
2×t Clk
PE
R
t
SSCKR
SCK rise time Slave 1600
t
SSCKF
SCK fall time Slave 1600
t
SIS
MOSI setup to SCK Slave 3.0
t
SIH
MOSI hold after SCK Slave t Clk
PER
t
SSS
SS setup to SCK Slave 21
t
SSH
SS hold after SCK Slave 20
t
SOS
MISO setup SCK Slave 8.0
t
SOH
MISO hold after SCK Slave 13
t
SOSS
MISO setup after SS low Slave 11
t
SOSH
MISO hold after SS high Slave 8.0