ATSAM3X4EA-AU Atmel, ATSAM3X4EA-AU Datasheet - Page 896
ATSAM3X4EA-AU
Manufacturer Part Number
ATSAM3X4EA-AU
Description
ARM Microcontrollers - MCU QFP144,GREEN, IND TEMP, MRL A
Manufacturer
Atmel
Datasheet
1.ATSAM3X8EA-AU.pdf
(1467 pages)
Specifications of ATSAM3X4EA-AU
Rohs
yes
Core
ARM Cortex M3
Processor Series
SAM3X
Data Bus Width
32 bit
Maximum Clock Frequency
84 MHz
Program Memory Size
256 KB
Data Ram Size
64 KB
On-chip Adc
Yes
Operating Supply Voltage
2.4 V to 3.6 V
Operating Temperature Range
- 40 C to +85 C
Package / Case
LQFP-144
Mounting Style
SMD/SMT
Factory Pack Quantity
60
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One of the POSEN or SPEEDEN bits must be also enabled.
• 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.
896
896
SAM3X/A
SAM3X/A
11057B–ATARM–28-May-12
11057B–ATARM–28-May-12
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