SAM4L Datasheet, PDF (1145/1185 Pages) ATMEL Corporation – ATSAM ARM-based Flash MCU

ATSAM4L4/L2
Table 42-51. USART0 in SPI Mode Timing, Master Mode⁽¹⁾
Symbol
Parameter
Conditions
USPI0
USPI1
USPI2
USPI3
USPI4
USPI5
MISO setup time before SPCK rises
MISO hold time after SPCK rises
SPCK rising to MOSI delay
MISO setup time before SPCK falls
MISO hold time after SPCK falls
SPCK falling to MOSI delay
V_VDDIO from
3.0V to 3.6V,
maximum
external
capacitor =
40 pF
Table 42-52. USART1 in SPI Mode Timing, Master Mode⁽¹⁾
Symbol
Parameter
Conditions
USPI0
USPI1
USPI2
USPI3
USPI4
USPI5
MISO setup time before SPCK rises
MISO hold time after SPCK rises
SPCK rising to MOSI delay
MISO setup time before SPCK falls
MISO hold time after SPCK falls
SPCK falling to MOSI delay
V_VDDIO from
3.0V to 3.6V,
maximum
external
capacitor =
40 pF
Table 42-53. USART2 in SPI Mode Timing, Master Mode⁽¹⁾
Symbol
Parameter
Conditions
USPI0
USPI1
USPI2
USPI3
USPI4
USPI5
MISO setup time before SPCK rises
MISO hold time after SPCK rises
SPCK rising to MOSI delay
MISO setup time before SPCK falls
MISO hold time after SPCK falls
SPCK falling to MOSI delay
V_VDDIO from
3.0V to 3.6V,
maximum
external
capacitor =
40 pF
Min
123.2 + t_SAMPLE(2)
24.74 -t_SAMPLE(2)
125.99 + t_SAMPLE(2)
24.74 -t_SAMPLE(2)
Min
69.28 + t_SAMPLE(2)
25.75 -t_SAMPLE(2)
73.12 + t_SAMPLE(2)
28.10 -t_SAMPLE(2)
Min
69.09 + t_SAMPLE(2)
26.52 -t_SAMPLE(2)
72.55 + t_SAMPLE(2)
28.37 -t_SAMPLE(2)
Max
513.56
516.55
Max
99.66
102.01
Max
542.96
544.80
Table 42-54. USART3 in SPI Mode Timing, Master Mode⁽¹⁾
Symbol
Parameter
Conditions
USPI0
USPI1
USPI2
USPI3
USPI4
USPI5
MISO setup time before SPCK rises
MISO hold time after SPCK rises
SPCK rising to MOSI delay
MISO setup time before SPCK falls
MISO hold time after SPCK falls
SPCK falling to MOSI delay
V_VDDIO from
3.0V to 3.6V,
maximum
external
capacitor =
40 pF
Min
147.24 + t_SAMPLE(2)
25.80 -t_SAMPLE(2)
154.9 + t_SAMPLE(2)
26.89 -t_SAMPLE(2)
Max
88.23
89.32
Notes:
1. These values are based on simulation. These values are not covered by test limits in production.
2.
Where:
t_SAMPLE
=
t_SPCK
–
⎛
⎝
------------^t--^S--^P----^C---^K-------------
2 × t_CLKUSART
12_{--⎠⎞ × tCLKUSART}
Units
ns
Units
ns
Units
ns
Units
ns
42023C–SAM–02/2013
1145