MC68HC705JD FREESCALE [Freescale Semiconductor, Inc], MC68HC705JD Datasheet - Page 76

• Manufacturer Part Number: MC68HC705JD
• Description: member of the low-cost
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

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INTERNAL
INTERNAL
INTERNAL
ADDRESS
NOTES:
NOTES:
RESET
CLOCK
1. Internal clock, internal address bus, and internal data bus are not available externally.
2. Address of high byte of reset vector is $0FFE in MC68HC705J2 native mode and $07FE in MC68HC05J1 emulation mode.
3. Address of low byte of reset vector is $0FFF in MC68HC705J2 native mode and $07FF in MC68HC05J1 emulation mode.
INTERNAL
INTERNAL
INTERNAL
ADDRESS
DATA
1. Internal clock, internal address bus, and internal data bus signals are not available externally.
2. Next rising edge of internal clock after rising edge of RESET initiates reset sequence.
3. Address of high byte of reset vector is $0FFE in MC68HC705J2 native mode and $07FE in MC68HC05J1 emulation mode.
4. Address of low byte of reset vector is $0FFF in MC68HC705J2 native mode and $07FF in MC68HC05J1 emulation mode.
OSC1 PIN
BUS
BUS
CLOCK
DATA
V DD
BUS
BUS
2
1
1
1
1
1
1
t VDDR
POR THRESHOLD (TYPICALLY 1–2 V)
0FFE 3
Freescale Semiconductor, Inc.
t RL
Figure 11-8. Power-On Reset Timing
For More Information On This Product,
Figure 11-9. External Reset Timing
0FFE
0FFE
ELECTRICAL SPECIFICATIONS
2
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3
0FFE
0FFE
2
3
4064 t cyc
0FFE
0FFE
2
NEW
PCH
3
0FFE
0FFF
2
NEW
PCL
4
0FFE
NEW PC
DUMMY
2
0FFE
NEW PC
NEW
PCH
CODE
2
OP
0FFF
NEW
PCL
3
Rev. 2