PIC32MX440F256H-80I Datasheet, PDF (85/646 Pages) Microchip Technology – 64/100-Pin General Purpose and USB 32-Bit Flash Microcontrollers

PIC32MX3XX/4XX
5.0 RESETS
Note:
This data sheet summarizes the features of
the PIC32MX3XX/4XX family of devices. It
is not intended to be a comprehensive refer-
ence source. Refer to the “PIC32MX Family
Reference Manual” (DS61132) for a
detailed description of this peripheral.
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
shown in Figure 5-1.
FIGURE 5-1:
SYSTEM RESET BLOCK DIAGRAM
MCLR
Glitch Filter
SLEEP or IDLE
Voltage
Regulator
Enabled
VDD
WDT
Time-out
VDD Rise
Detect
Power-up
Timer
Configuration
Mismatch
Reset
Software Reset
Brown-out
Reset
MCLR
WDTR
POR
BOR
CMR
SWR
SYSRST
© 2008 Microchip Technology Inc.
Preliminary
DS61143E-page 83