Datasheet

© 2009-2011 Microchip Technology Inc. DS61156G-page 199
PIC32MX5XX/6XX/7XX
FIGURE 31-5: EXTERNAL RESET TIMING CHARACTERISTICS
TABLE 31-22: RESETS TIMING
AC CHARACTERISTICS
Standard Operating Conditions: 2.3V to 3.6V
(unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +85°C for Industrial
-40°C
≤ TA ≤ +105°C for V-Temp
Param.
No.
Symbol Characteristics
(1)
Min. Typical
(2)
Max. Units Conditions
SY00 TPU Power-up Period
Internal Voltage Regulator Enabled
—400600μs -40°C to +85°C
SY01 T
PWRT Power-up Period
External V
CORE Applied
(Power-up timer active)
48 64 80 ms -40°C to +85°C
SY02 T
SYSDLY System Delay Period:
Time Required to Reload Device
Configuration Fuses plus SYSCLK
Delay before First instruction is
Fetched.
—
1 μs +
8 SYSCLK
cycles
— — -40°C to +85°C
SY20 T
MCLR MCLR Pulse Width (low) — 2 — μs -40°C to +85°C
SY30 T
BOR BOR Pulse Width (low) — 1 — μs -40°C to +85°C
Note 1: These parameters are characterized, but not tested in manufacturing.
2: Data in “Typ” column is at 3.3V, 25°C unless otherwise stated. Characterized by design but not tested.
MCLR
(SY20)
Reset Sequence
(SY10)
CPU Starts Fetching Code
BOR
(SY30)
TOST
TMCLR
TBOR
Reset Sequence
CPU Starts Fetching Code
Clock Sources = (FRC, FRCDIV, FRCDIV16, FRCPLL, EC, ECPLL and LPRC)
Clock Sources = (HS, HSPLL, XT, XTPLL and S
OSC)
(TSYSDLY)
SY02
(T
SYSDLY)
SY02