Microchip Technology MA320002 Data Sheet
PIC32MX3XX/4XX
DS61143H-page 166
© 2011 Microchip Technology Inc.
FIGURE 29-5:
EXTERNAL RESET TIMING CHARACTERISTICS
TABLE 29-22: RESETS TIMING
MCLR
(SY20)
Reset Sequence
(SY10)
CPU starts fetching code
BOR
(SY30)
T
OST
T
MCLR
T
BOR
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
)
(T
SYSDLY
)
SY02
(T
SYSDLY
)
SY02
AC CHARACTERISTICS
Standard Operating Conditions: 2.3V to 3.6V
(unless otherwise stated)
Operating temperature
(unless otherwise stated)
Operating temperature
-40°C
≤ T
A
≤ +85°C for Industrial
-40°C
≤ T
A
≤ +105°C for V-Temp
Param.
No.
Symbol
Characteristics
(1)
Min.
Typical
(2)
Max.
Units
Conditions
SY00
T
PU
Power-up Period
Internal Voltage Regulator Enabled
Internal Voltage Regulator Enabled
—
400
600
μs
-40°C to +85°C
SY01
T
PWRT
Power-up Period
External Vcore Applied
(Power-Up-Timer Active)
External Vcore 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.
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.