ATSAM4LS4BA-AU View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

ATSAM4LS4BA-AU

ATSAM ARM-based Flash MCU

Atmel Corporation 

ATSAM4L8/L4/L2

Table 9-54.

Symbol

USPI0

USPI1

USPI2

USPI3

USPI4

USPI5

USART0 in SPI Mode Timing, Master Mode(1)

Parameter

Conditions

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

VVDDIO from

3.0V to 3.6V,

maximum

external

capacitor =

40 pF

Table 9-55.

Symbol

USPI0

USPI1

USPI2

USPI3

USPI4

USPI5

USART1 in SPI Mode Timing, Master Mode(1)

Parameter

Conditions

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

VVDDIO from

3.0V to 3.6V,

maximum

external

capacitor =

40 pF

Table 9-56.

Symbol

USPI0

USPI1

USPI2

USPI3

USPI4

USPI5

USART2 in SPI Mode Timing, Master Mode(1)

Parameter

Conditions

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

VVDDIO from

3.0V to 3.6V,

maximum

external

capacitor =

40 pF

Min

123.2 + tSAMPLE(2)

24.74 -tSAMPLE(2)

125.99 + tSAMPLE(2)

24.74 -tSAMPLE(2)

Min

69.28 + tSAMPLE(2)

25.75 -tSAMPLE(2)

73.12 + tSAMPLE(2)

28.10 -tSAMPLE(2)

Min

69.09 + tSAMPLE(2)

26.52 -tSAMPLE(2)

72.55 + tSAMPLE(2)

28.37 -tSAMPLE(2)

Max

513.56

516.55

Max

99.66

102.01

Max

542.96

544.80

Table 9-57.

Symbol

USPI0

USPI1

USPI2

USPI3

USPI4

USPI5

USART3 in SPI Mode Timing, Master Mode(1)

Parameter

Conditions

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

VVDDIO from

3.0V to 3.6V,

maximum

external

capacitor =

40 pF

Min

147.24 + tSAMPLE(2)

25.80 -tSAMPLE(2)

154.9 + tSAMPLE(2)

26.89 -tSAMPLE(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:

tSAMPLE

=

tSPCK

–

⎛

⎝

------------t--S--P----C---K-------------

2 × tCLKUSART

12--⎠⎞ × tCLKUSART

Units

ns

Units

ns

Units

ns

Units

ns

42023GS–SAM–03/2014

141

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