SAM3U4E Atmel Corporation, SAM3U4E Datasheet - Page 537
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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30.7.27
Name:
Address:
Access:
• P0-P31: Glitch or Debouncing Filter Selection Status
0 = The Glitch Filter is able to filter glitches with a duration < Tmck2.
1 = The Debouncing Filter is able to filter pulses with a duration < Tdiv_slclk/2.
30.7.28
Name:
Address:
Access:
• DIV: Slow Clock Divider Selection for Debouncing
Tdiv_slclk = 2*(DIV+1)*Tslow_clock.
6430E–ATARM–29-Aug-11
6430E–ATARM–29-Aug-11
P31
P23
P15
P7
31
23
15
31
23
15
7
–
–
–
7
PIO Glitch or Debouncing Input Filter Selection Status Register
PIO Slow Clock Divider Debouncing Register
P30
P22
P14
P6
30
22
14
30
22
14
PIO_IFDGSR
0x400E0C88 (PIOA), 0x400E0E88 (PIOB), 0x400E1088 (PIOC)
Read-only
6
PIO_SCDR
0x400E0C8C (PIOA), 0x400E0E8C (PIOB), 0x400E108C (PIOC)
Read-Write
–
–
–
6
P29
P21
P13
P5
29
21
13
29
21
13
5
–
–
5
P28
P20
P12
P4
28
20
12
28
20
12
4
–
–
4
DIV
P27
P19
P11
P3
27
19
11
27
19
11
3
–
–
3
DIV
P26
P18
P10
P2
26
18
10
26
18
10
–
–
2
2
SAM3U Series
SAM3U Series
P25
P17
P9
P1
25
17
25
17
–
–
9
1
9
1
P24
P16
P8
P0
24
16
24
16
–
–
8
0
8
0
537
537
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