ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 1071

• 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

41.6.6
Name:
Address:
Access:
• GAIN: Input Gain
Gain of the sample and hold unit according to GAIN bits and DIFF bit
• IBCTL: Bias Current Control
Bias Current Control
• DIFF: Differential Mode
0 = Single Ended Mode
1 = Fully Differential Mode
• OFFSET: Input OFFSET
Offset of the sample and hold unit according to OFFSET bit, DIFF bit and Gain (G).
6430D–ATARM–25-Mar-11
GAIN<0:1>
31
23
15
OFFSET
–
–
–
7
–
00
01
10
11
IBCTL<0:1>
0
1
ADC12B Analog Control Register
00
01
10
11
30
22
14
ADC12B_ACR
0x400A8064
Read-write
–
–
–
6
–
OFFSET (DIFF = 0)
GAIN (DIFFx = 0)
Vrefin/2G
Vrefin/2
1
1
2
4
29
21
13
–
–
–
5
–
typ + 20%
typ + 40%
typ - 20%
Current
OFFSET (DIFF = 1)
GAIN (DIFF = 1)
typ
Vrefin/2
28
20
12
–
–
–
4
–
0.5
1
2
2
27
19
11
–
–
–
3
–
26
18
10
–
–
–
2
–
SAM3U Series
OFFSET
25
17
–
9
1
IBCTL
GAIN
DIFF
24
16
–
8
0
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