mc68hc708mp16 Freescale Semiconductor, Inc, mc68hc708mp16 Datasheet - Page 334

• Manufacturer Part Number: mc68hc708mp16
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Computer Operating Properly (COP)
16.3 Functional Description
Technical Data
334
Addr.
$FFFF
NOTE: See
INTERNAL RESET SOURCES
RESET VECTOR FETCH
COPD (FROM CONFIG)
COP Control Register
7.4.2 Active Resets from Internal
COPEN (FROM SIM)
Name
COPCTL WRITE
COPCTL WRITE
CGMXCLK
(COPCTL)
RESET
Figure 16-1
(1)
Figure 16-2. COP I/O Register Summary
Reset:
Read:
Write:
Figure 16-1. COP Block Diagram
Computer Operating Properly (COP)
COP MODULE
Bit 7
13-BIT SIM COUNTER
COP COUNTER
shows the structure of the COP module.
Sources.
CLEAR
6-BIT COP COUNTER
6
SIM
5
Writing to $FFFF clears COP counter
Low byte of reset vector
Unaffected by reset
4
3
SIM RESET STATUS REGISTER
MC68HC708MP16
SIM RESET CIRCUIT
Freescale Semiconductor
2
1
—
Rev. 3.1
Bit 0