ATSAM3U1CA-CU Atmel, ATSAM3U1CA-CU Datasheet - Page 1123

• Manufacturer Part Number: ATSAM3U1CA-CU
• Description: IC MCU 32BIT 64KB FLASH 100TFBGA
• Manufacturer: Atmel
• Series: SAM3Ur

Specifications of ATSAM3U1CA-CU

• Core Processor: ARM® Cortex-M3™
• Core Size: 32-Bit
• Speed: 96MHz
• Connectivity: EBI/EMI, I²C, MMC, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
• Number Of I /o: 57
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 20K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Data Converters: A/D 4x10b, 4x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TFBGA
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 100
• Processor Series: ATSAM3x
• Core: ARM Cortex M3
• Data Bus Width: 32 bit
• Data Ram Size: 20 KB
• Interface Type: 3xUSART, TWI, 4xSPI, Bus
• Maximum Clock Frequency: 96 MHz
• Number Of Programmable I/os: 57
• Number Of Timers: 8
• Operating Supply Voltage: 1.62 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: JTRACE-CM3, MDK-ARM, RL-ARM, ULINK2
• Development Tools By Supplier: ATSAM3U-EK
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Compliant

43.7.0.1
Table 43-37. Analog Inputs
Note:
43.7.0.2
6430D–ATARM–25-Mar-11
Parameter
Input Voltage Range
Input Leakage Current
Input Capacitance
1. Input Voltage range can be up to VDDANA without destruction or over-consumption.
2. If VDDIO < V
Sample and Hold Time versus Source Output Impedance
ADC Application Information
ADVREF
The following figure gives a simplified acquisition path.
Figure 43-10. Simplified Acquisition Path
The user can drive ADC input with impedance of Zsource up to:
with SHTIM (Sample and Hold Time register) expressed in ns and Z
Note:
For more information on data converter terminology, please refer to the application note:
Data Converter Terminology, Atmel lit° 6022.
http://www.atmel.com/dyn/resources/prod_documents/doc6022.pdf
• In 10-bit mode: SHTIM = 0.042 x Zsource + 160
• In 12-bit mode: SHTIM= 0.054 x Zsource + 205
, max input voltage is VDDIO.
Csample and Ron are taken into account in the formulas
Zsource
Input
ADC
Mux.
Ron
Sample & Hold
Csample
Min
0
Typ
SOURCE
SAM3U Series
12-bit
ADC
Core
V
expressed in ohms.
AD12BVREF
Max
±0.5
14
Units
μA
pF
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