SAM3U2E Atmel Corporation, SAM3U2E Datasheet - Page 1123

• Manufacturer Part Number: SAM3U2E
• Manufacturer: Atmel Corporation

Specifications of SAM3U2E

• Flash (kbytes): 128 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 96 MHz
• Cpu: Cortex-M3
• # Of Touch Channels: 57
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 96
• Ext Interrupts: 96
• Usb Transceiver: 1
• Quadrature Decoder Channels: 1
• Usb Speed: Hi-Speed
• Usb Interface: Device
• Spi: 5
• Twi (i2c): 2
• Uart: 5
• Ssc: 1
• Sd / Emmc: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 16
• 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

43.4.5
Table 43-20. XIN32 Clock Electrical Characteristics (In Bypass Mode)
Note:
6430E–ATARM–29-Aug-11
Symbol
1/(t
t
t
t
t
t
C
R
V
V
CPXIN32
CHXIN32
CLXIN32
CLCH
CHCL
XIN32_IL
XIN32_IH
IN
IN
CPXIN32
1. These characteristics apply only when the 32768 kHz XTAL Oscillator is in bypass mode (i.e., when OSCBYPASS: = 1 in
)
32.768 kHz XIN32 Clock Input Characteristics in Bypass Mode
SUPC_MR and XTALSEL = 1 in the SUPC_CR registers.
Parameter
XIN32 Clock Frequency
XIN32 Clock Period
XIN32 Clock High Half-period
XIN32 Clock Low Half-period
Rise Time
Fall Time
XIN32 Input Capacitance
XIN32 Pull-down Resistor
V
V
XIN32
XIN32
Input Low-level Voltage
Input High-level Voltage
V
XIN_IL
V
XIN_IH
t
CPXIN
Conditions
(1)
(1)
(1)
(1)
t
CPXIN
0.7 x V
t
CLCH
Min
-0.3
400
400
22
11
11
3
VDDBU
t
CPXIN
SAM3U Series
t
CHXIN
0.3 x V
V
VDDBU
Max
44
6
5
VDDBU
+0.3
t
CHCL
Units
kHz
MΩ
pF
μs
μs
μs
ns
ns
V
V
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