PIC18F6620 Microchip, PIC18F6620 Datasheet - Page 329
PIC18F6620
Manufacturer Part Number
PIC18F6620
Description
Microcontroller
Manufacturer
Microchip
Datasheet
1.PIC18F6620.pdf
(380 pages)
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FIGURE 26-12:
TABLE 26-11: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER
FIGURE 26-13:
2004 Microchip Technology Inc.
30
31
32
33
34
35
36
37
Param
No.
Reference Voltage
Internal Reference
Enable Internal
Voltage Stable
T
T
T
T
T
T
T
T
T1OSO/T13CKI
Symbol
Note:
OST
WDT
IOZ
IVRST
MC
PWRT
BOR
LVD
L
V
IRVST
TMR0 or
V
DD
T0CKI
PIC18F6520/8520/6620/8620/6720/8720
TMR1
AND BROWN-OUT RESET REQUIREMENTS
Refer to Figure 26-6 for load conditions.
MCLR Pulse Width (low)
Watchdog Timer Time-out Period (no
postscaler)
Oscillation Start-up Timer Period
Power-up Timer Period
I/O High-Impedance from MCLR Low
or Watchdog Timer Reset
Brown-out Reset Pulse Width
Time for Internal Reference
Voltage to become stable
Low-Voltage Detect Pulse Width
BROWN-OUT RESET TIMING
TIMER0 AND TIMER1 EXTERNAL CLOCK TIMINGS
Characteristic
40
36
45
BV
DD
1024 T
Min
200
200
28
42
—
—
47
2
7
OSC
Typ
18
72
20
—
—
—
—
2
41
46
35
1024 T
Max
132
—
33
—
—
50
—
OSC
Units
ms
ms
—
s
s
s
s
s
48
T
V
V
OSC
DD
DD
DS39609B-page 327
= OSC1 period
B
Conditions
V
VDD
LVD
V
BGAP
(see D005)
= 1.2V
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