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PIC18F6525_13 Datasheet, PDF (342/400 Pages) Microchip Technology – 64/80-Pin High-Performance, 64-Kbyte Enhanced Flash Microcontrollers with A/D
PIC18F6525/6621/8525/8621
Param.
No
Symbol
171 TalH2csL
171A TubL2oeH
Characteristics
Chip Enable Active to ALE 
AD Valid to Chip Enable Active
Min
Typ
—
—
0.25 TCY – 20 —
Max Units
10
ns
—
ns
FIGURE 27-9:
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND
POWER-UP TIMER TIMING
VDD
MCLR
Internal
POR
PWRT
Time-out
OSC
Time-out
Internal
Reset
Watchdog
Timer
Reset
33
32
I/O Pins
Note: Refer to Figure 27-4 for load conditions.
30
34
31
34
FIGURE 27-10: BROWN-OUT RESET TIMING
VDD
BVDD
35
VIRVST
Enable Internal
Reference Voltage
Internal Reference
Voltage Stable
36
VBGAP = 1.2V
DS39612C-page 342
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