SAM3N4B Atmel Corporation, SAM3N4B Datasheet - Page 719

• Manufacturer Part Number: SAM3N4B
• Manufacturer: Atmel Corporation

Specifications of SAM3N4B

• Flash (kbytes): 256 Kbytes
• Pin Count: 64
• Max. Operating Frequency: 48 MHz
• Cpu: Cortex-M3
• # Of Touch Channels: 32
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 79
• Ext Interrupts: 79
• Quadrature Decoder Channels: 2
• Usb Speed: No
• Usb Interface: No
• Spi: 3
• Twi (i2c): 2
• Uart: 4
• Ssc: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 10
• Adc Resolution (bits): 10
• Adc Speed (ksps): 384
• Resistive Touch Screen: No
• Dac Channels: 1
• Dac Resolution (bits): 10
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 24
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• 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: no / no
• Timers: 6
• Output Compare Channels: 6
• Input Capture Channels: 3
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

35.8
35.8.1
Table 35-35. Master Clock Waveform Parameters
35.8.2
Table 35-36. I/O Characteristics
Notes:
11011A–ATARM–04-Oct-10
Symbol
1/(t
1/(t
Symbol
FreqMax1
PulseminH
PulseminL
FreqMax2
PulseminH
PulseminL
CPMCK
CPMCK
AC Characteristics
1. Pin Group 1 = PA14
2. Pin Group 2 = PA[0-13], PA[15-31], PB[0-14], PC[0-31]
)
)
Master Clock Characteristics
I/O Characteristics
1
2
1
2
Parameter
Master Clock Frequency
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
VDDCORE @ 1.62V
VDDCORE @ 1.80V
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
= 3.0V
= 3.0V
= 3.0V
= 1.8V
= 3.0V
= 3.0V
= 3.0V
Min
14.7
14.7
14.5
14.5
Min
7.7
7.7
11
11
11
11
Max
48
62
Max
45
62
34
45
35
SAM3N
Units
MHz
MHz
Units
MHz
MHz
ns
ns
ns
ns
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