MC68HC08AZ16 Datasheet, PDF (151/527 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Computer Operating Properly Module (COP)
Functional description
Figure 1 shows the structure of the COP module.
CGMXCLK
12-BIT COP PRESCALER
RESET
RESET STATUS REGISTER
STOP INSTRUCTION
INTERNAL RESET SOURCES⁽¹⁾
RESET VECTOR FETCH
COPCTL WRITE
COPEN (FROM SIM)
COPD (FROM MOR)
RESET
COPCTL WRITE
COP MODULE
6-BIT COP COUNTER
CLEAR
COP COUNTER
NOTE:1. See Active resets from internal sources on page 78.
Figure 1. COP block diagram
MC68HC08AZ32
150
Computer Operating Properly Module (COP)
2--cop
MOTOROLA