SAM9G20 Atmel Corporation, SAM9G20 Datasheet - Page 767

• Manufacturer Part Number: SAM9G20
• Manufacturer: Atmel Corporation

Specifications of SAM9G20

• Flash (kbytes): 0 Kbytes
• Pin Count: 217
• Max. Operating Frequency: 400 MHz
• Cpu: ARM926
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 96
• Ext Interrupts: 96
• Usb Transceiver: 3
• Usb Speed: Full Speed
• Usb Interface: Host, Device
• Spi: 2
• Twi (i2c): 1
• Uart: 7
• Ssc: 1
• Ethernet: 1
• Sd / Emmc: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: Yes
• Adc Channels: 4
• Adc Resolution (bits): 10
• Adc Speed (ksps): 95
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 32
• Self Program Memory: NO
• External Bus Interface: 1
• Dram Memory: sdram
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8/3.3
• Operating Voltage (vcc): 0.9 to 1.1
• Fpu: No
• Mpu / Mmu: No/Yes
• Timers: 6
• Output Compare Channels: 6
• Input Capture Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

41.4
41.4.1
Table 41-5.
41.4.2
Table 41-6.
Note:
41.4.3
Table 41-7.
Notes:
6384E–ATARM–05-Feb-10
Symbol
1/(t
Symbol
1/(t
Symbol
1/(t
t
t
t
C
R
V
CPXIN
CHXIN
CLXIN
IN
IN
IN
CPPCK
CPMCK
CPXIN
Clock Characteristics
1.
1. These characteristics apply only when the Main Oscillator is in bypass mode (i.e. when MOSCEN = 0 and OSCBYPASS = 1)
)
)
)
Processor Clock Characteristics
Master Clock Characteristics
XIN Clock Characteristics
The system clock is the maximum clock at which the system is able to run. It is given by
processor clock, internal bus clock, EBI clock.
in the CKGR_MOR register. See “PMC Clock Generator Main Oscillator Register” in the PMC section.
Processor Clock Waveform Parameters
Master Clock Waveform Parameters
XIN Clock Electrical Characteristics
Parameter
Processor Clock Frequency
Parameter
Master Clock Frequency
Parameter
XIN Clock Frequency
XIN Clock Period
XIN Clock High Half-period
XIN Clock Low Half-period
XIN Input Capacitance
XIN Pull-down Resistor
XIN Voltage
Conditions
V
T = 85°C
Conditions
V
T = 85°C
VDDCORE
VDDCORE
Conditions
= 0.9V
= 0.9V
(1)
(1)
(1)
0.4 x t
0.4 x t
V
DDOSC
Min
Min
Min
20
CPXIN
CPXIN
AT91SAM9G20
0.6 x t
0.6 x t
V
1000
Max
DDOSC
Max
Max
the smallest value of the
400
133
50
25
CPXIN
CPXIN
Units
Units
Units
MHz
MHz
MHz
pF
kΩ
ns
ns
ns
V
767