Motorola MC68HC908MR32 사용자 설명서
Advance Information
MC68HC908MR16/MC68HC908MR32 — Rev. 4.0
324
Computer Operating Properly (COP)
MOTOROLA
Computer Operating Properly (COP)
16.3 Functional Description
shows the structure of the COP module. A summary of the
input/output (I/O) register is shown in
.
Figure 16-1. COP Block Diagram
Addr.
Register Name
Bit 7
6
5
4
3
2
1
Bit 0
$FFFF
COP Control Register
(COPCTL)
Read:
Low byte of reset vector
Write:
Clear COP counter
Reset:
Unaffected by reset
Figure 16-2. COP I/O Register Summary
COPCTL WRITE
CGMXCLK
RESET VECTOR FETCH
SIM RESET CIRCUIT
SIM RESET STATUS REGISTER
INTERNAL RESET SOURCES(1)
SIM
CL
EAR
B
ITS
12–
4
13-BIT SIM COUNTER
CL
EA
R A
LL
BIT
S
6-BIT COP COUNTER
COPD (FROM CONFIG)
RESET
COPCTL WRITE
CLEAR
COP MODULE
COP COUNTER
Note 1. See