PIC32MX575F256H-80I Datasheet, PDF (184/236 Pages) Microchip Technology – High-Performance, USB, CAN and Ethernet 32-Bit Flash Microcontrollers

PIC32MX5XX/6XX/7XX
FIGURE 31-4:
POWER-ON RESET TIMING CHARACTERISTICS
Internal Voltage Regulator Enabled
Clock Sources = (FRC, FRCDIV, FRCDIV16, FRCPLL, EC, ECPLL and LPRC)
VDD
VPOR
Power-up Sequence
(Note 2)
(TSYSDLY)
SY02
SY00
(TPU)
(Note 1)
CPU Starts Fetching Code
Internal Voltage Regulator Enabled
Clock Sources = (HS, HSPLL, XT, XTPLL and SOSC)
VDD
VPOR
(TSYSDLY)
SY02
Power-up Sequence
(Note 2)
SY00
(TPU)
(Note 1)
SY10
(TOST)
CPU Starts Fetching Code
External VDDCORE Provided
Clock Sources = (FRC, FRCDIV, FRCDIV16, FRCPLL, EC, ECPLL and LPRC)
VDD
VPOR
VDDCORE
Power-up Sequence
(Note 3)
(TSYSDLY)
SY02
SY01
(TPWRT)
(Note 1)
CPU Starts Fetching Code
Note 1:
2:
3:
The power-up period will be extended if the power-up sequence completes before the device exits from BOR
(VDD < VDDMIN).
Includes interval voltage regulator stabilization delay.
Power-up Timer (PWRT); only active when the internal voltage regulator is disabled.
DS61156C-page 184
Preliminary
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