SAM3U4E Atmel Corporation, SAM3U4E Datasheet - Page 480
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SAM3U4E
Manufacturer Part Number
SAM3U4E
Description
Manufacturer
Atmel Corporation
Specifications of SAM3U4E
Flash (kbytes)
256 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)
50
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
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28.14.2
Name:
Address:
Access:
• PCKx: Programmable Clock x Output Disable
0 = No effect.
1 = Disables the corresponding Programmable Clock output.
This register can only be written if the WPEN bit is cleared in the
28.14.3
Name:
Address:
Access:
• PCKx: Programmable Clock x Output Status
0 = The corresponding Programmable Clock output is disabled.
1 = The corresponding Programmable Clock output is enabled.
480
31
23
15
31
23
15
–
–
–
7
–
–
–
–
7
–
SAM3U Series
PMC System Clock Disable Register
PMC System Clock Status Register
PMC_SCDR
0x400E0404
Write-only
PMC_SCSR
0x400E0408
Read-only
30
22
14
30
22
14
–
–
–
6
–
–
–
–
6
–
29
21
13
29
21
13
–
–
–
5
–
–
–
–
5
–
28
20
12
28
20
12
–
–
–
4
–
–
–
–
4
–
“PMC Write Protect Mode
27
19
11
27
19
11
–
–
–
–
–
–
–
–
3
3
PCK2
PCK2
26
18
10
26
18
10
–
–
2
–
–
–
2
–
Register”.
PCK1
PCK1
25
17
25
17
–
–
–
–
–
–
9
1
9
1
6430E–ATARM–29-Aug-11
PCK0
PCK0
24
16
24
16
–
–
8
0
–
–
–
8
0
–
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