MC68HC05F8 Datasheet, PDF (36/126 Pages) Motorola, Inc – High-density complementary metal oxide semiconductor(HCMOS) microcontroller unit

Freescale Semiconductor, Inc.
t_VDDR
VDD
VDD THRESHOLD (TYPICALLY 1-2V)
4
OSC1 PIN¹
t_oxov
INTERNAL
CLOCK²
4064 t_cyc
t_cyc
INTERNAL
ADDRESS
BUS²
FFFE
FFFF NEW PC FFFE
FFFE
FFFF NEW PC
INTERNAL
DATA
BUS²
RESET
NEW
NEW
OP
PCL
PCH
CODE
t_RL = 1.5 t_cyc
3
NOTES:
1. OSC1 is not meant to represent frequency. It is only used to represent time.
2. Internal clock, internal address bus, and internal data bus signals are not available externally.
3. Next rising edge of internal clock after rising edge of RESET initiates reset sequence.
PCH
PCL
OP
CODE
Figure 4-1 Power-On Reset and RESET Timing
MOTOROLA
4-4
RESETS
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TPG
MC68HC05F8