SAM3U2E Atmel Corporation, SAM3U2E Datasheet - Page 1079

• Manufacturer Part Number: SAM3U2E
• Manufacturer: Atmel Corporation

Specifications of SAM3U2E

• Flash (kbytes): 128 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): 36
• 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

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).
6430E–ATARM–29-Aug-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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