SAM3U4E Atmel Corporation, SAM3U4E Datasheet - Page 212
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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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13.22.1
• IREGION
Indicates the number of supported MPU instruction regions.
Always contains 0x00. The MPU memory map is unified and is described by the DREGION field.
• DREGION
Indicates the number of supported MPU data regions:
0x08 = Eight MPU regions.
• SEPARATE
Indicates support for unified or separate instruction and date memory maps:
0 = unified.
212
31
23
15
7
SAM3U Series
MPU Type Register
30
22
14
6
The TYPE register indicates whether the MPU is present, and if so, how many regions it sup-
ports. See the register summary in
assignments are:
29
21
13
5
Reserved
28
20
12
4
DREGION
Reserved
IREGION
Table 13-35 on page 211
27
19
11
3
26
18
10
2
for its attributes. The bit
25
17
9
1
6430E–ATARM–29-Aug-11
SEPARATE
24
16
8
0
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