ATSAM3S4AA-MU Atmel, ATSAM3S4AA-MU Datasheet - Page 771
ATSAM3S4AA-MU
Manufacturer Part Number
ATSAM3S4AA-MU
Description
IC MCU 32BIT 256KB FLASH 48QFN
Manufacturer
Atmel
Series
SAM3Sr
Specifications of ATSAM3S4AA-MU
Core Processor
ARM® Cortex-M3™
Core Size
32-Bit
Speed
64MHz
Connectivity
I²C, MMC, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number Of I /o
34
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
1.62 V ~ 1.95 V
Data Converters
A/D 8x10/12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-VQFN Exposed Pad, 48-HVQFN, 48-SQFN, 48-DHVQFN
Processor Series
ATSAM3x
Core
ARM Cortex M3
3rd Party Development Tools
JTRACE-CM3, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
ATSAM3S-EK
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATSAM3S4AA-MU
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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SAM3S Preliminary
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.
771
6500C–ATARM–8-Feb-11
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