ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 12

• Manufacturer Part Number: ATSAM3U-EK
• Description: KIT EVAL FOR AT91SAM3U CORTEX
• Manufacturer: Atmel
• Type: MCUr

Specifications of ATSAM3U-EK

• Contents: Board
• Processor To Be Evaluated: SAM3U
• Data Bus Width: 32 bit
• Interface Type: RS-232, USB
• Operating Supply Voltage: 3 V
• Silicon Manufacturer: Atmel
• Core Architecture: ARM
• Core Sub-architecture: Cortex - M3
• Silicon Core Number: SAM3U4E
• Silicon Family Name: SAM3U
• Kit Contents: Board CD Docs
• Rohs Compliant: Yes
• For Use With/related Products: AT91SAM3U
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

6478E–ATARM–30-Mar-11
Evaluation Kit Hardware
Figure 4-3.
4.3.3
4-4
P B [31:0]
P C [31:0]
Clock Circuitry
NAND Flash
NCS1
The chip select signals NCS0 and NCS1 are used for PSRAM and NAND Flash chips selection, respec-
tively. Furthermore, a dedicated jumper can disconnect these from the memories, to let NCS0 and NCS1
be used for other custom purpose.
The clock generator of a SAM3U4E microcontroller is made up of:
The SAM3U-EK board is equipped with one 12 MHz crystal, one 32,768 Hz crystal and an external clock
input connector (optional, not populated by default).
NANDRDY
NANDOE
NANDCL E
NANDAL E
NANDW E
A Low Power 32,768 Hz Slow Clock Oscillator with bypass mode
A 3 to 20 MHz Crystal Oscillator, which can be bypassed (12 MHz needed in case of USB)
A factory programmed fast internal RC Oscillator. 3 output frequencies can be selected: 4, 8 or
12 MHz (default value is 4 MHz).
A 480 MHz UTMI PLL providing a clock for the USB High Speed Device Controller
A 96 to 192 MHz programmable PLL (input from 8 to 16 MHz), capable of providing the clock MCK to
the processor and to the peripherals.
P C 12
+3V 3
P B 24
P B 17
P B 22
P B 21
P B 18
R 14
R 14
R 17
R 17
J P 13
J P 13
J P
J P
0R
0R
47K
47K
+3V 3
DG ND
R 12
R 12
47K
47K
R 18
R 18
DNP
DNP
+3V 3
+3V 3
R 13
R 13
47K
47K
C 30
C 30
100nF
100nF
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
MN3
MN3
MT 29F 2G 16AADW P
MT 29F 2G 16AADW P
NC 1
NC 2
NC 3
NC 4
NC 5
NC 6
R /B #
R E #
C E #
NC 7
NC 8
V C C 1
V S S 1
NC 9
NC 10
C LE
ALE
W E #
W P #
NC 11
NC 12
NC 13
NC 14
NC 15
V C C 4
V C C 3
V C C 2
V S S 4
NC 17
V S S 3
NC 16
V S S 2
IO15
IO14
IO13
IO12
IO11
IO10
IO7
IO6
IO5
IO4
IO3
IO2
IO1
IO0
IO9
IO8
SAM3U-EK Evaluation Kit User Guide
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
DG ND
C 31
C 31
100nF
100nF
+3V 3
C 32
C 32
100nF
100nF
P B 6
P B 31
P B 30
P B 16
P B 15
P B 14
P B 13
P B 29
P B 28
P B 12
P B 11
P B 10
P B 9
P B 27
P B 26
P B 25
C 33
C 33
100nF
100nF