MC68HC705T16 MOTOROLA [Motorola, Inc], MC68HC705T16 Datasheet - Page 33

• Manufacturer Part Number: MC68HC705T16
• Description: High-density complementary metal oxide semiconductor (HCMOS) microcontroller unit
• Manufacturer: MOTOROLA [Motorola, Inc]

MC68HC05T16
EXTAL PIN
INTERNAL
INTERNAL
ADDRESS
INTERNAL
CLOCK
RESET
BUS
DATA
BUS
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.
VDD
2
2
2
1
t
VDDR
VDD THRESHOLD (TYPICALLY 1-2V)
t
oxov
Figure 4-1 Power-On Reset and RESET Timing
RESETS AND INTERRUPTS
FFFE
NEW
PCL
t
FFFF
cyc
NEW
PCH
t
RL
4064 t
NEW PC
=1.5t
3
CODE
OP
cyc
CYC
FFFE
FFFE
PCH
FFFF
PCL
MOTOROLA
NEW PC
CODE
OP
TPG
4-3
4