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PIC16C71 датащи(PDF) 239 Page - Microchip Technology

номер детали PIC16C71
подробное описание детали  8-Bit CMOS Microcontrollers
PDF  337 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16C71 датащи(HTML) 239 Page - Microchip Technology

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© 1997 Microchip Technology Inc.
DS30234D-page 239
PIC16C6X
Applicable Devices 61 62 62A R62 63 R63 64 64A R64 65 65A R65 66 67
FIGURE 21-4: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP
TIMER TIMING
FIGURE 21-5: BROWN-OUT RESET TIMING
TABLE 21-4:
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER,
AND BROWN-OUT RESET REQUIREMENTS
Parameter
No.
Sym
Characteristic
Min
Typ†
Max
Units
Conditions
30
TmcL
MCLR Pulse Width (low)
2
—
—
µs VDD = 5V, -40˚C to +125˚C
31*
Twdt
Watchdog Timer Time-out Period
(No Prescaler)
718
33
ms
VDD = 5V, -40˚C to +125˚C
32
Tost
Oscillation Start-up Timer Period
—
1024 TOSC
——
TOSC = OSC1 period
33*
Tpwrt
Power-up Timer Period
28
72
132
ms
VDD = 5V, -40˚C to +125˚C
34
TIOZ
I/O Hi-impedance from MCLR Low
or WDT reset
—
—
2.1
µs
35
TBOR
Brown-out Reset Pulse Width
100
—
—
µs VDD ≤ BVDD (D005)
*
These parameters are characterized but not tested.
†
Data in "Typ" column is at 5V, 25˚C unless otherwise stated. These parameters are for design guidance only and are not
tested.
VDD
MCLR
Internal
POR
PWRT
Time-out
OSC
Time-out
Internal
RESET
Watchdog
Timer
RESET
33
32
30
31
34
I/O Pins
34
Note: Refer to Figure 21-1 for load conditions.
VDD
BVDD
35



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