AT91SAM9G46B-CU View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

AT91SAM9G46B-CU

SMART ARM-based Embedded MPU

Atmel Corporation 

48.6.1 32 kHz Crystal Characteristics

Table 48-11.

Symbol

ESR

Cm

CSHUNT

32 kHz Crystal Characteristics

Parameter

Equivalent Series Resistor Rs

Motional Capacitance

Shunt Capacitance

Conditions

Crystal @ 32.768 kHz

Crystal @ 32.768 kHz

Crystal @ 32.768 kHz

48.6.2 XIN32 Clock Characteristics

Min

Typ

Max

Unit

–

50

100

kΩ

–

–

3

fF

–

–

2

pF

Table 48-12. XIN32 Clock Electrical Characteristics

Symbol Parameter

Conditions

1/(tCPXIN32)

tCPXIN32

tCHXIN32

tCLXIN32

tCLCH32

tCLCL32

CIN32

RIN32

VIN32

VINIL32

VINIH32

XIN32 Clock Frequency

XIN32 Clock Period

XIN32 Clock High Half-period

XIN32 Clock Low Half-period

XIN32 Clock Rise time

XIN32 Clock Fall time

XIN32 Input Capacitance

XIN32 Pulldown Resistor

XIN32 Voltage

XIN32 Input Low Level Voltage

XIN32 Input High Level Voltage

–

–

–

–

–

–

32.768 kHz oscillator in Bypass mode (i.e.,

when RCEN = 0, OSC32EN = 0, OSCSEL = 1

and OSC32BYP = 1 in the Slow Clock

Configuration Register (SCKCR)). See Section

24.5 “Slow Clock Selection”.

Min

–

22

11

11

400

400

–

–

VDDBU

-0.3

0.7 × VDDBU

Max

44

–

–

–

–

–

6

4

VDDBU

0.3 × VDDBU

VDDBU + 0.3

Unit

kHz

µs

µs

µs

ns

ns

pF

MΩ

V

V

V

48.7 32 kHz RC Oscillator Characteristics

Table 48-13.

Symbol

1/(tCPRCz)

–

tSTART

RC Oscillator Characteristics

Parameter

Crystal Oscillator Frequency

Duty Cycle

Startup Time

48.8 PLL Characteristics

Conditions

–

–

–

Min

Typ

Max

Unit

22

–

42

kHz

45

–

55

%

–

–

75

µs

Table 48-14.

Symbol

fOUT

fIN

PLLA Characteristics

Parameter

Output Frequency

Input Frequency

IPLL

Current Consumption

tSTART

Startup Time

Conditions

Refer to following table

–

Active mode

Standby mode

–

Min

Typ

Max

Unit

400

–

800

MHz

2

–

32

MHz

–

7

9

mA

–

–

1

µA

–

–

50

µs

SAM9G46 Series [DATASHEET]

Atmel-11028G-ATARM-SAM9G46-Datasheet_08-Dec-15

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