AT91SAM9G45-EKES Atmel, AT91SAM9G45-EKES Datasheet - Page 1163

• Manufacturer Part Number: AT91SAM9G45-EKES
• Description: KIT EVAL FOR AT91SAM9G45
• Manufacturer: Atmel
• Series: AT91SAM Smart ARMr
• Type: MCUr

Specifications of AT91SAM9G45-EKES

• Contents: Board
• Processor To Be Evaluated: SAM9G45
• Data Bus Width: 32 bit
• Interface Type: I2C, SPI, UART
• Maximum Operating Temperature: + 50 C
• Minimum Operating Temperature: - 10 C
• Operating Supply Voltage: 1.8 V to 3.3 V
• For Use With/related Products: AT91SAM9G45
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: Q4626953

46.6
Table 46-10. 32 kHz Oscillator Characteristics
Notes:
46.6.1
Table 46-11. 32 kHz Crystal Characteristics
6438F–ATARM–21-Jun-10
Symbol
1/(t
C
C
t
Symbol
ESR
C
C
ST
CRYSTAL32
LEXT32
M
S
CP32KHz
(2)
32 kHz Oscillator Characteristics
1. R
2. C
)
32 kHz Crystal Characteristics
S
LEXT32
is the equivalent series resistance.
Parameter
Crystal Oscillator Frequency
Load Capacitance
External Load Capacitance
Duty Cycle
Startup Time
Parameter
Equivalent Series Resistor Rs
Motional Capacitance
Shunt Capacitance
is determined by taking into account internal, parasitic and package load capacitance.
C
LEXT32
Conditions
Crystal @ 32.768 kHz
C
C
R
R
XIN32
CRYSTAL32
CRYSTAL32
S
S
Conditions
Crystal @ 32.768 kHz
Crystal @ 32.768 kHz
Crystal @ 32.768 kHz
= 50 k
= 100 k
= 6 pF
= 12.5 pF
C
(1)
CRYSTAL32
AT91SAM9G45
(1)
C
LEXT32
XOUT32
C
C
C
C
CRYSTAL32
CRYSTAL32
CRYSTAL32
CRYSTAL32
GNDBU
= 6 pF
= 12.5 pF
= 6 pF
= 12.5 pF
Min
Min
40
6
AT91SAM9G45
Typ
50
32 768
Typ
19
6
Max
100
3
2
1200
Max
12.5
400
900
600
60
Unit
k
pF
fF
1163
Unit
kHz
ms
ms
ms
ms
pF
pF
pF
%