ATSAM3S4AA-MU Atmel, ATSAM3S4AA-MU Datasheet - Page 981

• 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

Figure 39-2. Sequence of ADC conversions when Tracking time > Conversion time
Figure 39-3. Sequence of ADC conversions when Tracking time < Conversion time
39.6.2
6500C–ATARM–8-Feb-11
6500C–ATARM–8-Feb-11
from controller
from controller
to analog cell
to analog cell
Trigger event (Hard or Soft)
Commands
Trigger event (Hard or Soft)
Commands
Conversion Reference
ADC_Start
ADC_Start
ADCClock
ADCClock
ADC_SEL
ADC_SEL
ADC_ON
ADC_ON
DRDY
DRDY
LCDR
LCDR
The conversion is performed on a full range between 0V and the reference voltage pin ADVREF.
Analog inputs between these voltages convert to values based on a linear conversion.
(and tracking of CH0)
CH0
CH0
Start Up
Start Up
Tracking
of CH0
Time
Time
&
Transfer Period
Transfer Period
Conversion
Conversion
CH1
CH1
Tracking
of CH0
of CH1
of CH0
&
Tracking of CH1
CH0
CH0
Transfer Period
ADC_LCDR
Read the
Transfer Period
Conversion
CH2
Tracking
of CH1
of CH2
&
SAM3S Preliminary
SAM3S Preliminary
Conversion
CH1
CH2
Transfer Period
of CH1
Tracking of CH2
CH1
Conversion
CH3
Tracking
of CH2
of CH3
&
CH2
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