SAM4L Datasheet, PDF (1148/1185 Pages) ATMEL Corporation – ATSAM ARM-based Flash MCU

ATSAM4L4/L2
Table 42-56. USART1 in SPI mode Timing, Slave Mode⁽¹⁾
Symbol
Parameter
USPI6
SPCK falling to MISO delay
Conditions
USPI7
MOSI setup time before SPCK rises
USPI8
USPI9
USPI10
USPI11
USPI12
USPI13
USPI14
USPI15
MOSI hold time after SPCK rises
SPCK rising to MISO delay
MOSI setup time before SPCK falls
MOSI hold time after SPCK falls
NSS setup time before SPCK rises
NSS hold time after SPCK falls
NSS setup time before SPCK falls
NSS hold time after SPCK rises
V_VDDIO from
3.0V to 3.6V,
maximum
external
capacitor =
40 pF
Min
4.16 + t_SAMPLE(2) +
t_{CLK_USART}
46.69 -( t_SAMPLE(2) +
t_{CLK_USART )}
4.16 +( t_SAMPLE(2) +
t_{CLK_USART )}
46.69 -( t_SAMPLE(2) +
t_{CLK_USART )}
200.43
-16.5
200.43
-16.5
Table 42-57. USART2 in SPI mode Timing, Slave Mode⁽¹⁾
Symbol
Parameter
USPI6
SPCK falling to MISO delay
Conditions
USPI7
MOSI setup time before SPCK rises
USPI8
USPI9
USPI10
USPI11
USPI12
USPI13
USPI14
USPI15
MOSI hold time after SPCK rises
SPCK rising to MISO delay
MOSI setup time before SPCK falls
MOSI hold time after SPCK falls
NSS setup time before SPCK rises
NSS hold time after SPCK falls
NSS setup time before SPCK falls
NSS hold time after SPCK rises
V_VDDIO from
3.0V to 3.6V,
maximum
external
capacitor =
40 pF
Min
136.56 + t_SAMPLE(2) +
t_{CLK_USART}
47.9 -( t_SAMPLE(2) +
t_{CLK_USART )}
136.73 +( t_SAMPLE(2) +
t_{CLK_USART )}
47.9 -( t_SAMPLE(2) +
t_{CLK_USART )}
519.87
-1.83
519.87
-1.83
Max
373.58
373.54
Max
770.02
570.19
Units
ns
Units
ns
42023C–SAM–02/2013
1148