SAM3U2E Atmel Corporation, SAM3U2E Datasheet - Page 1135

• 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

43.9
43.9.1
Table 43-43. Master Clock Waveform Parameters
43.9.2
Table 43-44. I/O Characteristics
Notes:
Table 43-45. NRSTB
6430E–ATARM–29-Aug-11
Symbol
1/(t
Symbol
FreqMax1
PulseminH
PulseminL
FreqMax2
PulseminH
PulseminL
Symbol
Tf
Tuf
CPMCK
AC Characteristics
1. Pin Group 1 = PA3, PA15
2. Pin Group 2 = PA[0-2], PA[4-14], PA[16-31], PB[0-31], PC[0-31]
)
Master Clock Characteristics
I/O Characteristics
1
2
1
2
Parameter
Filtered Pulse Width
Unfiltered Pulse Width
Parameter
Master Clock Frequency
Parameter
Pin Group 1
Pin Group 1
Pin Group 1
Pin Group 2
Pin Group 2
Pin Group 2
Criteria used to define the maximum frequency of the I/Os:
(1)
(1)
(1)
(2)
(2)
(2)
Maximum output frequency
High Level Pulse Width
High Level Pulse Width
Low Level Pulse Width
Maximum output frequency
Low Level Pulse Width
– output duty cycle (40%-60%)
– minimum output swing: 100 mV to VDDIO - 100 mV
– minimum output swing: 100 mV to VDDIO - 100 mV
– Addition of rising and falling time inferior to 75% of the period
Conditions
Conditions
VDDCORE @ 1.62V
VDDCORE @ 1.8V
30 pF
45 pF
30 pF
45 pF
30 pF
45 pF
Conditions
1.62V < VDDIO < 3.6V
1.62V < VDDIO < 3.6V
1.62V < VDDIO < 3.6V
V
V
V
V
V
V
V
V
V
V
V
V
Load: 25 pF
Load: 25pF
Load: 25pF
DDIO
DDIO
DDIO
DDIO
DDIO
DDIO
DDIO
DDIO
DDIO
DDIO
DDIO
DDIO
= 1.62V
= 1.62V
= 1.62V
= 1.62V
= 1.62V
= 1.62V
= 3.0V
= 3.0V
= 3.0V
= 3.0V
= 3.0V
= 3.0V
Min
100
Min
SAM3U Series
Typ
14.7
14.7
14.5
14.5
Min
7.7
7.7
11
11
11
11
Max
84
96
Max
1
Max
45
65
34
45
35
Units
Units
MHz
Units
μs
μs
MHz
MHz
ns
ns
ns
ns
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