SAM3S4B Atmel Corporation, SAM3S4B Datasheet - Page 1067

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SAM3S4B

Manufacturer Part Number
SAM3S4B
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of SAM3S4B

Flash (kbytes)
256 Kbytes
Pin Count
64
Max. Operating Frequency
64 MHz
Cpu
Cortex-M3
# Of Touch Channels
23
Hardware Qtouch Acquisition
No
Max I/o Pins
79
Ext Interrupts
79
Usb Transceiver
1
Quadrature Decoder Channels
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
3
Twi (i2c)
2
Uart
4
Ssc
1
Sd / Emmc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
10
Adc Resolution (bits)
12
Adc Speed (ksps)
1000
Analog Comparators
1
Resistive Touch Screen
No
Dac Channels
2
Dac Resolution (bits)
12
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
48
Self Program Memory
YES
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
41.11 AC Characteristics
41.11.1
Table 41-43. Master Clock Waveform Parameters
41.11.2
Table 41-44. I/O Characteristics
6500C–ATARM–8-Feb-11
Symbol
1/(t
Symbol
FreqMax1
PulseminH
PulseminL
FreqMax2
PulseminH
PulseminL
CPMCK
)
Master Clock Characteristics
I/O Characteristics
1
2
1
2
Parameter
Master Clock Frequency
Parameter
Pin Group 1
Pin Group 1
Pin Group 1
Pin Group 2
Pin Group 2
Pin Group 2
For Master Clock Frequency between 60 MHz and 64 MHz, the PLLCK must be set and used
between 120 MHz and 128 MHz with the prescaler set at 2 (PRES field in PMC_MCKR).
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
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: 25 pF
Load: 25 pF
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
64
Max
45
64
34
45
35
SAM3S
Units
MHz
Units
MHz
MHz
ns
ns
ns
ns
1067

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