Datasheet

SAM3X / SAM3A [DATASHEET]
Atmel-11057C-ATARM-SAM3X-SAM3A-Datasheet_23-Mar-15
1448
23-Mar-15
Section 45. “Electrical Characteristics”
Updated and harmonized parameter symbols
Table 45-1 Absolute Maximum Ratings*:
- added “(except VBUS)” to description “Voltage on Input Pins with Respect to Ground”
- added “Voltage on VBUS Pin with Respect to Ground”
Table 45-2 DC Characteristics: removed parameter “Input Capacitance”
Table 45-3 1.8V Voltage Regulator Characteristics: updated condtions for CD
IN
and CD
OUT
Table 45-4 Core Power Supply Brownout Detector Characteristics: added parameter “Reset Period”
Added Table 45-6 ”Threshold Selection”
Table 45-7 Backup Power Supply Zero-Power-on Reset Characteristics: modified parameter name “Reset Time-out
Period” to “Reset Period”
Section 45.3.1 “Backup Mode Current Consumption”: deleted instances of “Configuration A”
Section 45.4.3 “32.768 kHz Crystal Oscillator Characteristics”: added parameter “Allowed Crystal Capacitance Load”
Table 45-17 ”32.768 kHz Crystal Oscillator Characteristics”: updated conditions for parameters “Startup Time” and
“Current Consumption”
Table 45-19 ”XIN32 Clock Electrical Characteristics (In Bypass Mode)”: in table footnote, corrected “32768 kHz” to
“32.768 kHz”
Updated Figure 45-13 “XIN32 Clock Timing”
Table 45-20 ”3 to 20 MHz Crystal Oscillator Characteristics”: added parameter “Allowed Crystal Capacitance Load”;
deleted all footnotes
Updated Figure 45-15 “XIN Clock Timing”
Section 45.4.9.1 “Choosing a Crystal”: under ‘Load Capacitance’, changed “This is the equivalent capacitor” to “C
crystal
is the equivalent capacitor”
Section 45.4.9.2 “Printed Circuit Board (PCB)”: deleted sentence “A board design example is given on Atmel’s website
in the MCU Technical Center Section.”
Table 45-24 ”PLLA Characteristics”:
- updated Input Frequency values (was 8 MHz min/16 MHz max; is 1 MHz min/40 MHz max)
- updated Output Frequency values (was 96 MHz min/192 MHz max; is 80 MHz min/240 MHz max)
Table 45-25 ”UPLL Characteristics for USB High Speed Device Port”: added max value for Current Consumption
Table 45-30 ”Channel Conversion Time and ADC Clock”: changed max value of ADC Clock Frequency from 20 MHz to
22 MHz
Section 45.6 “USB On-the-Go High Speed Port”: removed section 46.6.5 “USB High Speed Design Guidelines”
Added Section 45.6.2.2 “VBUS Pin Characteristics”
Section 45.7.1 “Static Performance Characteristics”: updated conditions at beginning of section
Inserted new heading Section 45.7.2 “Dynamic Performance Characteristics” and updated content
Figure 45-18 “Simplified Acquisition Path”: inserted correct diagram (was previously graph of offset and gain
definitions)
Section 45.8 “Temperature Sensor”: specified instances of “27°C” as ambient temperature (T
A
)
Added Table 45-44 ”Analog Outputs”
Figure 45-21 “SPI Slave Mode with (CPOL = 0 and NCPHA = 1) or (CPOL = 1 and NCPHA = 0)”: added ‘MOSI’
Section 45.10.3.1 “Maximum SPI Frequency”: updated description under “Master Write Mode” and “Master Read
Mode”
Table 45-49 ”SSC Timings”: deleted footnote “Timings SSC4 and SSC7 depend...added to timings”
Section 45.10.6 “SMC Timings”: updated conditions
Table 50-1. SAM3X/SAM3A Datasheet Rev. 11057C Revision History (Continued)
Issue Date Comments