SAM3A4C Atmel Corporation, SAM3A4C Datasheet - Page 273
SAM3A4C
Manufacturer Part Number
SAM3A4C
Description
Manufacturer
Atmel Corporation
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17. Supply Controller (SUPC)
17.1
17.2
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12
Description
Embedded Characteristics
The Supply Controller (SUPC) controls the supply voltage of the Core of the system and man-
ages the Backup Low Power Mode. In this mode, the current consumption is reduced to a few
microamps for Backup power retention. Exit from this mode is possible on multiple wake-up
sources including events on FWUP or WKUP pins, or a Clock alarm. The SUPC also generates
the Slow Clock by selecting either the Low Power RC oscillator or the Low Power Crystal
oscillator.
• Manages the Core Power Supply VDDCORE and the Backup Low Power Mode by
• Generates the Slow Clock SLCK, by Selecting Either the 22-42 kHz Low Power RC Oscillator
• Supports Multiple Wake Up Sources, for Exit from Backup Low Power Mode
• A Supply Monitor Detection on VDDUTMI or a Brownout Detection on VDDCORE can Trigger
• Embeds:
Controlling the Embedded Voltage Regulator
or the 32 kHz Low Power Crystal Oscillator
a Core Reset
– Force Wake Up Pin, with Programmable Debouncing
– 16 Wake Up Inputs, with Programmable Debouncing
– Real Time Clock Alarm
– Real Time Timer Alarm
– Supply Monitor Detection on VDDUTMI, with Programmable Scan Period and
– One 22 to 42 kHz Low Power RC Oscillator
– One 32 kHz Low Power Crystal Oscillator
– One Zero-Power Power-On Reset Cell
– One Software Programmable Supply Monitor, on VDDUTMI Located in Backup
– One Brownout Detector on VDDCORE Located in the Core
Voltage Threshold
Section
SAM3X/A
SAM3X/A
273
273
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