SAM3U2C Atmel Corporation, SAM3U2C Datasheet - Page 1125

• Manufacturer Part Number: SAM3U2C
• Manufacturer: Atmel Corporation

Specifications of SAM3U2C

• Flash (kbytes): 128 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 96 MHz
• Cpu: Cortex-M3
• # Of Touch Channels: 28
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 57
• Ext Interrupts: 57
• Usb Transceiver: 1
• Quadrature Decoder Channels: 1
• Usb Speed: Hi-Speed
• Usb Interface: Device
• Spi: 4
• Twi (i2c): 1
• Uart: 4
• Ssc: 1
• Sd / Emmc: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 12
• Adc Speed (ksps): 384
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 36
• Self Program Memory: YES
• External Bus Interface: 1
• Dram Memory: No
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8/3.3
• Operating Voltage (vcc): 1.62 to 3.6
• Fpu: No
• Mpu / Mmu: Yes / No
• Timers: 3
• Output Compare Channels: 3
• Input Capture Channels: 3
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

43.4.7
Table 43-22. Crystal Characteristics
43.4.8
Table 43-23. XIN Clock Electrical Characteristics (In Bypass Mode)
Note:
6430E–ATARM–29-Aug-11
Symbol
ESR
C
C
Symbol
1/(t
t
t
t
t
t
C
R
V
V
CPXIN
CHXIN
CLXIN
CLCH
CHCL
XIN_IL
XIN_IH
M
SHUNT
IN
IN
CPXIN
1. These characteristics apply only when the 3-20 MHz XTAL Oscillator is in bypass mode.
)
3 to 20 MHz Crystal Characteristics
3 to 20 MHz XIN Clock Input Characteristics in Bypass Mode
Parameter
Equivalent Series Resistor Rs
Motional capacitance
Shunt capacitance
Parameter
XIN Clock Frequency
XIN Clock Period
XIN Clock High Half-period
XIN Clock Low Half-period
Rise Time
Fall Time
XIN Input Capacitance
XIN Pull-down Resistor
V
V
XIN
XIN
Input Low-level Voltage
Input High-level Voltage
V
XIN_IL
V
XIN_IH
t
CPXIN
Conditions
Fundamental @ 3MHz
Fundamental @ 8MHz
Fundamental @ 12MHz
Fundamental @ 16MHz
Fundamental @ 20MHz
Conditions
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
t
CPXIN
V
0.7 x
Min
VDDPLL
Min
400
400
-0.3
t
20
CLCH
8
8
t
CPXIN
Typ
Typ
SAM3U Series
t
1
CHXIN
V
V
Max
200
100
0.3 x
VDDPLL
VDDPLL
Max
+0.3
80
80
50
8
7
50
6
t
CHCL
Units
MHz
Unit
MΩ
ns
ns
ns
ns
ns
pF
pF
fF
V
V
Ω
1125