Atmel Xplained Pro Evaluation Kit ATSAM4E-XPRO ATSAM4E-XPRO データシート
製品コード
ATSAM4E-XPRO
311
SAM4E [DATASHEET]
Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_02-Jun-14
14.
Reset Controller (RSTC)
14.1
Description
The Reset Controller (RSTC), based on power-on reset cells, handles all the resets of the system without any
external components. It reports which reset occurred last.
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.
processor resets.
14.2
Embedded Characteristics
Management of All System Resets, Including
̶
External Devices through the NRST Pin
̶
Processor Reset
̶
Processor Peripheral Set Reset
Based on Embedded Power-on Cell
Reset Source Status
̶
Status of the Last Reset
̶
Either Software Reset, User Reset, Watchdog Reset
External Reset Signal Shaping
14.3
Block Diagram
Figure 14-1.
Reset Controller Block Diagram
NRST
proc_nreset
wd_fault
periph_nreset
SLCK
Reset
State
Manager
Reset Controller
rstc_irq
NRST
Manager
exter_nreset
nrst_out
core_backup_reset
WDRPROC
user_reset
vddcore_nreset