Microchip Technology DV320032 Data Sheet
2012-2013 Microchip Technology Inc.
DS60001185C-page 289
PIC32MX330/350/370/430/450/470
FIGURE 30-5:
EXTERNAL RESET TIMING CHARACTERISTICS
TABLE 30-22: RESETS TIMING
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
s
—
SY02
T
SYSDLY
System Delay Period:
Time Required to Reload Device
Configuration Fuses plus SYSCLK
Delay before First instruction is
Fetched.
Configuration Fuses plus SYSCLK
Delay before First instruction is
Fetched.
—
s +
8 SYSCLK
cycles
—
—
—
SY20
T
MCLR
MCLR Pulse Width (low)
2
—
—
s
—
SY30
T
BOR
BOR Pulse Width (low)
—
1
—
s
—
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)
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