SAM3U4E Atmel Corporation, SAM3U4E Datasheet - Page 180
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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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13.20.3
• Implementer
Implementer code:
0x41 = ARM
• Variant
Variant number, the r value in the rnpn product revision identifier:
0x2 = r2p0
• Constant
Reads as 0xF
• PartNo
Part number of the processor:
0xC23 = Cortex-M3
• Revision
Revision number, the p value in the rnpn product revision identifier:
0x0 = r2p0
180
31
23
15
7
SAM3U Series
CPUID Base Register
30
22
14
6
The CPUID register contains the processor part number, version, and implementation informa-
tion. See the register summary in
are:
Variant
PartNo
29
21
13
5
28
20
12
4
Implementer
PartNo
Table 13-30 on page 178
27
19
11
3
26
18
10
2
for its attributes. The bit assignments
Constant
Revision
25
17
9
1
6430E–ATARM–29-Aug-11
24
16
8
0
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