SAM3X8E Atmel Corporation, SAM3X8E Datasheet - Page 225

• Manufacturer Part Number: SAM3X8E
• Manufacturer: Atmel Corporation

13. Reset Controller (RSTC)
13.1
13.2
13.3
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12
Description
Embedded Characteristics
Block Diagram
The Reset Controller (RSTC), based on power-on reset cells, handles all the resets of the sys-
tem without any external components. It reports which reset occurred last.
The Reset Controller also drives independently or simultaneously the external reset and the
peripheral and processor resets.
Figure 13-1. Reset Controller Block Diagram
• Manages all Resets of the System, Including
• Based on Embedded Power-on Cell
• Reset Source Status
• External Reset Signal Shaping
• AMBA
core_backup_reset
– External Devices through the NRST Pin
– Processor Reset
– Peripheral Set Reset
– Status of the Last Reset
– Either Software Reset, User Reset, Watchdog Reset
– Interface to the ARM
vddcore_nreset
™
WDRPROC
-compliant Interface
wd_fault
NRST
®
Advanced Peripheral Bus
nrst_out
Reset Controller
Manager
NRST
user_reset
exter_nreset
Manager
Reset
State
SLCK
SAM3X/A
SAM3X/A
rstc_irq
proc_nreset
periph_nreset
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