mc68hc908gp20 Freescale Semiconductor, Inc, mc68hc908gp20 Datasheet - Page 71

• Manufacturer Part Number: mc68hc908gp20
• Description: M68hc08 Family Of 8-bit Microcontroller Units Mcus
• Manufacturer: Freescale Semiconductor, Inc

4.3.3 Internal Reset
MC68HC908GP20
Freescale Semiconductor
—
Rev 2.1
Sources:
All internal reset sources pull the RST pin low for 32 CGMXCLK cycles
to allow resetting of external devices. The MCU is held in reset for an
additional 32 CGMXCLK cycles after releasing the RST pin.
CGMXCLK
INTERNAL
RST PIN
•
•
•
•
•
RESET
Power-on reset (POR)
Computer operating properly (COP)
Low-power reset circuits
Illegal opcode
Illegal address
Figure 4-1. Internal Reset Timing
PULLED LOW BY MCU
32 CYCLES
32 CYCLES
Advance Information
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