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PIC16LC71 датащи(PDF) 97 Page - Microchip Technology

номер детали PIC16LC71
подробное описание детали  8-Bit CMOS Microcontrollers with A/D Converter
PDF  176 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16LC71 датащи(HTML) 97 Page - Microchip Technology

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© 1997 Microchip Technology Inc.
DS30272A-page 97
PIC16C71X
Applicable Devices
710 71 711 715
FIGURE 11-4: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP
TIMER TIMING
FIGURE 11-5: BROWN-OUT RESET TIMING
TABLE 11-4:
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)
1
—
—
µs
VDD = 5V, -40˚C to +125˚C
31
Twdt
Watchdog Timer Time-out Period
(No Prescaler)
7*
18
33*
ms
VDD = 5V, -40˚C to +125˚C
32
Tost
Oscillation Start-up Timer Period
—
1024TOSC
—
—
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 Watchdog Timer Reset
—
—
1.1
µs
35
TBOR
Brown-out Reset pulse width
100
—
—
µs
3.8V
≤ VDD ≤ 4.2V
*
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 11-1 for load conditions.
VDD
BVDD
35



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