Atmel SAM4L-EK Atmel ATSAM4L-EK ATSAM4L-EK Data Sheet
Product codes
ATSAM4L-EK
140
42023ES–SAM–07/2013
ATSAM4L8/L4/L2
Notes:
1. These values are based on simulation. These values are not covered by test limits in production.
2. Where:
Table 9-54.
USART0 in SPI Mode Timing, Master Mode
(1)
Symbol
Parameter
Conditions
Min
Max
Units
USPI0
MISO setup time before SPCK rises
V
VDDIO
from
3.0V to 3.6V,
maximum
external
capacitor =
40pF
123.2 + t
SAMPLE
(2)
ns
USPI1
MISO hold time after SPCK rises
24.74 -t
SAMPLE
(2)
USPI2
SPCK rising to MOSI delay
513.56
USPI3
MISO setup time before SPCK falls
125.99 + t
SAMPLE
(2)
USPI4
MISO hold time after SPCK falls
24.74 -t
SAMPLE
(2)
USPI5
SPCK falling to MOSI delay
516.55
Table 9-55.
USART1 in SPI Mode Timing, Master Mode
(1)
Symbol
Parameter
Conditions
Min
Max
Units
USPI0
MISO setup time before SPCK rises
V
VDDIO
from
3.0V to 3.6V,
maximum
external
capacitor =
40pF
69.28 + t
SAMPLE
(2)
ns
USPI1
MISO hold time after SPCK rises
25.75 -t
SAMPLE
(2)
USPI2
SPCK rising to MOSI delay
99.66
USPI3
MISO setup time before SPCK falls
73.12 + t
SAMPLE
(2)
USPI4
MISO hold time after SPCK falls
28.10 -t
SAMPLE
(2)
USPI5
SPCK falling to MOSI delay
102.01
Table 9-56.
USART2 in SPI Mode Timing, Master Mode
(1)
Symbol
Parameter
Conditions
Min
Max
Units
USPI0
MISO setup time before SPCK rises
V
VDDIO
from
3.0V to 3.6V,
maximum
external
capacitor =
40pF
69.09 + t
SAMPLE
(2)
ns
USPI1
MISO hold time after SPCK rises
26.52 -t
SAMPLE
(2)
USPI2
SPCK rising to MOSI delay
542.96
USPI3
MISO setup time before SPCK falls
72.55 + t
SAMPLE
(2)
USPI4
MISO hold time after SPCK falls
28.37 -t
SAMPLE
(2)
USPI5
SPCK falling to MOSI delay
544.80
Table 9-57.
USART3 in SPI Mode Timing, Master Mode
(1)
Symbol
Parameter
Conditions
Min
Max
Units
USPI0
MISO setup time before SPCK rises
V
VDDIO
from
3.0V to 3.6V,
maximum
external
capacitor =
40pF
147.24 + t
SAMPLE
(2)
ns
USPI1
MISO hold time after SPCK rises
25.80 -t
SAMPLE
(2)
USPI2
SPCK rising to MOSI delay
88.23
USPI3
MISO setup time before SPCK falls
154.9 + t
SAMPLE
(2)
USPI4
MISO hold time after SPCK falls
26.89 -t
SAMPLE
(2)
USPI5
SPCK falling to MOSI delay
89.32
t
SAMPLE
t
SPCK
t
SPCK
2
t
CLKUSART
×
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1
2
2
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⎝
⎠
⎛
⎞ t
CLKUSART
×
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