MC705P6ACPE Datasheet, PDF(91/98 Page) Freescale Semiconductor, Inc

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MC705P6ACPE Datasheet, PDF (91/98 Pages) Freescale Semiconductor, Inc – M68HC05 Microcontrollers

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tVDDR

VDD

VDD THRESHOLD (1-2 V TYPICAL)

OSC1(2)

INTERNAL

PROCESSOR

CLOCK(1)

INTERNAL

ADDRESS

BUS(1)

INTERNAL

DATA

BUS(1)

4064 tcyc

tcyc

1FFE

1FFF NEW PC NEW PC

NEW

PCH

PCL

CODE

RESET

1FFE

1FFF NEW PC NEW PC

tRL

NOTE 3

PCH

PCL

CODE

Notes:

1. Internal timing signal and bus information are not available externally.

2. OSC1 line is not meant to represent frequency. It is only used to represent time.

3. The next rising edge of the internal clock following the rising edge of RESET initiates the reset sequence.

Figure 14-2. Power-On Reset and External Reset Timing Diagram

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