PIC32MX3XX_1 Datasheet, PDF (87/208 Pages) Microchip Technology – High-Performance, General Purpose and USB 32-bit Flash Microcontrollers

PIC32MX3XX/4XX
6.0 RESETS
Note 1: This data sheet summarizes the features
of the PIC32MX3XX/4XX family of
devices. It is not intended to be a compre-
hensive reference source. To comple-
ment the information in this data sheet,
refer to Section 7. “Resets” (DS61118)
of the “PIC32MX Family Reference Man-
ual”, which is available from the Microchip
web site (www.microchip.com/PIC32).
2: Some registers and associated bits
described in this section may not be avail-
able on all devices. Refer to Section 4.0
“Memory Organization” in this data
sheet for device-specific register and bit
information.
The Reset module combines all Reset sources and
controls the device Master Reset signal, SYSRST. The
following is a list of device Reset sources:
• POR: Power-on Reset
• MCLR: Master Clear Reset Pin
• SWR: Software Reset
• WDTR: Watchdog Timer Reset
• BOR: Brown-out Reset
• CMR: Configuration Mismatch Reset
A simplified block diagram of the Reset module is
illustrated in Figure 6-1.
FIGURE 6-1:
SYSTEM RESET BLOCK DIAGRAM
MCLR
Glitch Filter
MCLR
Sleep or Idle
Voltage
Regulator
Enabled
VDD
WDT
Time-out
VDD Rise
Detect
Power-up
Timer
Configuration
Mismatch
Reset
Software Reset
Brown-out
Reset
WDTR
POR
BOR
CMR
SWR
SYSRST
© 2010 Microchip Technology Inc.
DS61143G-page 87