Datasheet

SAM4S Series [DATASHEET]
Atmel-11100G-ATARM-SAM4S-Datasheet_27-May-14
1212
Section 42. “Analog-to-Digital Converter (ADC)”
Section 42.1 “Description”: Added sentence: The last channel is internally connected by a temperature sensor.
Section 42.2 “Embedded Characteristics”: updated section with new characteristics
Section 42.6.3 “Conversion Resolution”: Modified content to limit information on 12-bit resolution.
Section 42.6.14 “Register Write Protection”: Reworked content.
Section 42.7.3 “ADC Channel Sequence 1 Register” and Section 42.7.4 “ADC Channel Sequence 2 Register”:
modified max channel number to 15.
Section 42.7.12 “ADC Interrupt Status Register”: updated ‘ENDRX’ and ‘RXBUFF’ bit descriptions.
Section 42.7.15 “ADC Compare Window Register”: updated ‘LOWTHRES’ and ‘HIGHTHRES’ field descriptions.
Section 42.7.20 “ADC Write Protection Mode Register” and Section 42.7.21 “ADC Write Protection Status Register”:
Modified register names (from Write Protect to Write Protection). Reworked field descriptions.
Section 43. “Digital-to-Analog Converter Controller (DACC)”
Section 43.7.7 “DACC Interrupt Enable Register”, Section 43.7.8 “DACC Interrupt Disable Register” and Section
43.7.9 “DACC Interrupt Mask Register”: modified bit descriptions.
Rework of all “refresh” related paragraphs, Section 43.7.3 “DACC Channel Enable Register” and Section
43.6.7 “DACC Timings”. Modified description for ”REFRESH: Automatic Refresh Period” field in Section
43.7.2 “DACC Mode Register”.
Re-worked Section 43.6.8 “Register Write Protection” and associated registers and bit/field descriptions
in Section 43.7.12 “DACC Write Protection Mode Register” and Section 43.7.13 “DACC Write Protection
Status Register”.
Section 44. “Electrical Characteristics”
Added Section 44.2 “Recommended Opeating Conditions”.
Section 44.4 “Power Consumption”: Added power consumption values for SAM4S4/SAM4S2. Updated Section
44.4.1 “Backup Mode Current Consumption”.
Removed Supply Ripple Voltage parameter from Table 44-29, “3 to 20 MHz Crystal Oscillator Characteristics”
Table 44-31 ”XIN Clock Electrical Characteristics (In Bypass Mode)”: Added C
PARASTANDBY
AND R
PARASTANDBY
parameters.
Updated and re-worked Section 44.8 “12-bit ADC Characteristics”:
Updated Section 44.9 “12-bit DAC Characteristics”. Removed Max Voltage Ripple parameter from Table 44-54,
“Analog Power Supply Characteristics”. Added Refresh Time to Table 44-55, “Channel Conversion Time and DAC
Clock”.
In Section 44.12 “AC Characteristics” modified
 Table 44-63, “SPI Timings”.
 Table 44-64, “SSC Timings”
 Table 44-65, “SMC Read Signals - NRD Controlled (READ_MODE = 1)”
 Table 44-67, “SMC Write Signals - NWE Controlled (WRITE_MODE = 1)”
 Table 44-68, “SMC Write Signals - NCS Controlled (WRITE_MODE = 0)”
 Table 44-69, “USART SPI Timings”
Table 44-70 ”Two-wire Serial Bus Requirements”: Added parameter t
BUF
Section 44.12.9 “Embedded Flash Characteristics”: modified Table 44-71, “Embedded Flash Wait State
SAM4S2/S4/S16/S8/SD32/SD16/SA16”.
Table 44-72, “AC Flash Characteristics
(1)
”: Full Chip Erase: Added values for 256 Kbytes and 128 Kbytes. Added
new parameter Page Program Time.
Table 48-2. SAM4S Datasheet Rev. 11100F 29-Jan-14 Revision History (Continued)
Doc. Date Changes