ATSAM3S1BA-AU Atmel, ATSAM3S1BA-AU Datasheet - Page 762
![IC MCU 32BIT 64KB FLASH 64LQFP](/photos/12/13/121332/313-64-tqfp_sml.jpg)
ATSAM3S1BA-AU
Manufacturer Part Number
ATSAM3S1BA-AU
Description
IC MCU 32BIT 64KB FLASH 64LQFP
Manufacturer
Atmel
Series
SAM3Sr
Specifications of ATSAM3S1BA-AU
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
47
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.62 V ~ 1.95 V
Data Converters
A/D 10x10/12b, D/A 2x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-LQFP
Controller Family/series
ATSAM3S
No. Of I/o's
47
Ram Memory Size
16KB
Cpu Speed
64MHz
No. Of Timers
6
Rohs Compliant
Yes
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
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Figure 34-16. Input Stage
762
SAM3S Preliminary
TIOA0
TIOB0
TIOB1
INVA
INVB
By means of the MAXFILT field in TC_BMR, it is possible to configure a minimum duration for
which the pulse is stated as valid. When the filter is active, pulses with a duration lower than
MAXFILT+1 * tMCK ns are not passed to down-stream logic.
Filters can be disabled using the FILTER field in the TC_BMR register.
Input filtering can efficiently remove spurious pulses that might be generated by the presence of
particulate contamination on the optical or magnetic disk of the rotary sensor.
Spurious pulses can also occur in environments with high levels of electro-magnetic interfer-
ence. Or, simply if vibration occurs even when rotation is fully stopped and the shaft of the motor
is in such a position that the beginning of one of the reflective or magnetic bars on the rotary
sensor disk is aligned with the light or magnetic (Hall) receiver cell of the rotary sensor. Any
vibration can make the PHA, PHB signals toggle for a short duration.
INVIDX
1
1
1
SWAP
IDXPHB
1
PHA
PHB
Input Pre-Processing
IDX
MAXFILT
Filter
Filter
Filter
FILTER
1
1
1
Direction
and
Edge
Detection
PHedge
DIR
IDX
6500C–ATARM–8-Feb-11
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