ATSAM4LS4BA-AU 查看數據表（PDF） - Atmel Corporation

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ATSAM4LS4BA-AU

ATSAM ARM-based Flash MCU

Atmel Corporation 

ATSAM4L8/L4/L2

Table 9-16. TWI Pin Characteristics in TWI configuration (1)

Symbol

Parameter

Conditions

Min

Typ

Max

Units

DRIVEH=0

0.5

ICS

Current Source(3)

DRIVEH=1

DRIVEH=2

1

mA

1.5

DRIVEH=3

3

fMAX

tRISE

tFALL

1.

2.

3.

Max frequency(2)

HsMode with Current source;

DRIVEx=3, SLEW=0

Cbus = 400pF, VVDD = 1.68V

3.5

6.4

MHz

Rise time(2)

HsMode Mode, DRIVEx=3, SLEW=0

Cbus = 400pF, Rp = 440Ohm,

VVDD = 1.68V

28

38

ns

Fall time(2)

Standard Mode, DRIVEx=3, SLEW=0

Cbus = 400pF, Rp = 440Ohm,

VVDD = 1.68V

HsMode Mode, DRIVEx=3, SLEW=0

Cbus = 400pF, Rp = 440Ohm,

VVDD = 1.68V

50

95

ns

50

95

VVDD corresponds to either VVDDIN or VVDDIO, depending on the supply for the pin. Refer to Section 3-5 on page 13 for details

These values are based on simulation. These values are not covered by test limits in production or characterization

These values are based on characterization. These values are not covered by test limits in production

Table 9-17. TWI Pin Characteristics in GPIO configuration (1)

Symbol

RPULLUP

RPULLDOWN

VIL

VIH

VOL

VOH

IOL

IOH

Parameter

Pull-up resistance (2)

Pull-up resistance(2)

Input low-level voltage

Input high-level voltage

Output low-level voltage

Output high-level voltage

Output low-level current (3)

Output high-level current(3)

Conditions

ODCR0=0

ODCR0=1

ODCR0=0

ODCR0=1

1.68V<VVDD<2.7V

2.7V<VVDD<3.6V

1.68V<VVDD<2.7V

2.7V<VVDD<3.6V

1.68V<VVDD<2.7V

2.7V<VVDD<3.6V

1.68V<VVDD<2.7V

2.7V<VVDD<3.6V

Min

Typ

40

40

-0.3

0.8 * VVDD

VVDD - 0.4

Max

0.2 * VVDD

VVDD + 0.3

0.4

Units

kΩ

kΩ

V

V

V

1.8

3.5

mA

3.6

6.8

1.8

3.5

mA

3.6

6.8

42023GS–SAM–03/2014

117

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