Microchip Technology AC164139 Ficha De Dados
PIC24FJ256DA210 FAMILY
DS39969B-page 382
2010 Microchip Technology Inc.
TABLE 30-15: INTERNAL RC ACCURACY
AC CHARACTERISTICS
Standard Operating Conditions: 2.2V to 3.6V (unless otherwise stated)
Operating temperature
Operating temperature
-40°C
T
A
+85°C for Industrial
Param
No.
Characteristic
Min
Typ
Max
Units
Conditions
F20
FRC Accuracy @
8 MHz
8 MHz
(1,2)
-1
±0.15
1
%
-40°C
T
A
+85°C 2.2V V
DD
3.6V
F21
LPRC @ 31 kHz
-20
—
20
%
-40°C
T
A
+85°C V
CAP
(on-chip regulator
output voltage) = 1.8V
Note 1:
Frequency calibrated at 25°C and 3.3V. OSCTUN bits can be used to compensate for temperature drift.
2:
To achieve this accuracy, physical stress applied to the microcontroller package (ex., by flexing the PCB)
must be kept to a minimum.
must be kept to a minimum.
TABLE 30-16: RC OSCILLATOR START-UP TIME
AC CHARACTERISTICS
Standard Operating Conditions: 2.2V to 3.6V (unless otherwise stated)
Operating temperature
Operating temperature
-40°C
T
A
+85°C for Industrial
Param
No.
Characteristic
Min
Typ
Max
Units
Conditions
T
FRC
—
15
—
s
T
LPRC
—
50
—
s
TABLE 30-17: RESET AND BROWN-OUT RESET REQUIREMENTS
AC CHARACTERISTICS
Standard Operating Conditions: 2.2V to 3.6V (unless other-
wise stated)
Operating temperature
wise stated)
Operating temperature
-40°C
T
A
+85°C for Industrial
Param
No.
Symbol
Characteristic
Min
Typ
Max
Units
Conditions
SY10
T
MCL
MCLR Pulse width (Low)
2
—
—
s
SY12
T
POR
Power-on Reset Delay
—
2
—
s
SY13
T
IOZ
I/O High-Impedance from MCLR
Low or Watchdog Timer Reset
Low or Watchdog Timer Reset
—
—
100
ns
SY25
T
BOR
Brown-out Reset Pulse Width
1
—
—
s
V
DD
V
BOR
T
RST
Internal State Reset Time
—
50
—
s