ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 1124
ATSAM3U-EK
Manufacturer Part Number
ATSAM3U-EK
Description
KIT EVAL FOR AT91SAM3U CORTEX
Manufacturer
Atmel
Type
MCUr
Datasheets
1.ATSAM3U-EK.pdf
(2 pages)
2.ATSAM3U-EK.pdf
(61 pages)
3.ATSAM3U-EK.pdf
(1171 pages)
4.ATSAM3U-EK.pdf
(53 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATSAM3U-EK
Manufacturer:
Atmel
Quantity:
10
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43.8
Table 43-38. Channel Conversion Time and ADC Clock
Notes:
Table 43-39. External Voltage Reference Input
43.8.0.3
1124
Parameter
ADC Clock Frequency
ADC Clock Frequency
Startup Time
Track and Hold Acquisition Time
Conversion Time
Throughput Rate
Parameter
ADVREF Input Voltage Range
ADVREF Average Current
Current Consumption on VDDCORE
10-bit Successive Approximation Register (SAR) ADC Characteristics
1. Corresponds to 13 clock cycles at 5 MHz: 3 clock cycles for track and hold acquisition time and 10 clock cycles for
2. Corresponds to 15 clock cycles at 8 MHz: 5 clock cycles for track and hold acquisition time and 10 clock cycles for
SAM3U Series
conversion.
conversion
Sample and Hold Time versus Source Output Impedance
Figure 43-11
Figure 43-11. Simplified Acquisition Path
The user can drive ADC input with impedance up to:
with SHTIM (Sample and Hold Time register) expressed in ns and Z
Note:
• Z
• Z
source
source
Csample and Ron are taken into account in the formulas
≤ (SHTIM -470) x 10 in 8-bit resolution mode
≤ (SHTIM -589) x 7.69 in 10-bit resolution mode
gives a simplified acquisition path.
Conditions
13 samples at ADC Clock = 5MHz
Conditions
10-bit resolution mode
8-bit resolution mode
Return from Idle Mode
ADC Clock = 5MHz
ADC Clock = 8MHz
ADC Clock = 5MHz
ADC Clock = 8MHz
Zsource
Input
ADC
Mux.
Ron
Sample & Hold
Csample
Min
2.4
Min
600
0.55
Typ
200
-
source
Typ
ADC
Core
expressed in ohms.
VDDANA+
6430D–ATARM–25-Mar-11
Max
250
384
533
0.2
Max
1.25
1
20
5
8
2
(1)
(2)
Units
kSPS
Units
MHz
MHz
mA
μs
ns
μs
μA
V
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