MC68HC05T16 Datasheet, PDF (33/128 Pages) Motorola, Inc – High-density complementary metal oxide semiconductor (HCMOS) microcontroller unit

t_VDDR
VDD
VDD THRESHOLD (TYPICALLY 1-2V)
EXTAL 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
PCL
NEW
OP
PCH
CODE
t_RL = 1.5t_CYC
3
NOTES:
1. EXTAL 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
4
MC68HC05T16
RESETS AND INTERRUPTS
TPG
MOTOROLA
4-3