SAM3U2E Atmel Corporation, SAM3U2E Datasheet - Page 788
SAM3U2E
Manufacturer Part Number
SAM3U2E
Description
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
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• POSEN: POSition ENabled
0 = disable position.
1 = enables the position measure on channel 0 and 1
• SPEEDEN: SPEED ENabled
0 = disabled.
1 = enables the speed measure on channel 0, the time base being provided by channel 2.
• QDTRANS: Quadrature Decoding TRANSparent
0 = full quadrature decoding logic is active (direction change detected).
1 = quadrature decoding logic is inactive (direction change inactive) but input filtering and edge detection are performed.
• EDGPHA: EDGe on PHA count mode
0 = edges are detected on both PHA and PHB.
1 = edges are detected on PHA only.
• INVA: INVerted phA
0 = PHA (TIOA0) is directly driving quadrature decoder logic.
1 = PHA is inverted before driving quadrature decoder logic.
• INVB: INVerted phB
0 = PHB (TIOB0) is directly driving quadrature decoder logic.
1 = PHB is inverted before driving quadrature decoder logic.
• SWAP: SWAP PHA and PHB
0 = no swap between PHA and PHB.
1 = swap PHA and PHB internally, prior to driving quadrature decoder logic.
• INVIDX: INVerted InDeX
0 = IDX (TIOA1) is directly driving quadrature logic.
1 = IDX is inverted before driving quadrature logic.
• IDXPHB: InDeX pin is PHB pin
0 = IDX pin of the rotary sensor must drive TIOA1.
1 = IDX pin of the rotary sensor must drive TIOB0.
• FILTER:
0 = IDX,PHA, PHB input pins are not filtered.
1 = IDX,PHA, PHB input pins are filtered using MAXFILT value.
• MAXFILT: MAXimum FILTer
1.. 63: defines the filtering capabilities
Pulses with a period shorter than MAXFILT+1 MCK clock cycles are discarded.
788
788
SAM3U Series
SAM3U Series
6430E–ATARM–29-Aug-11
6430E–ATARM–29-Aug-11
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