15 debug status (dbgstat), Debug status (dbgstat) -18, Table 24-15 – Freescale Semiconductor MCF5480 User Manual
Page 738
MCF548x Reference Manual, Rev. 3
24-18
Freescale Semiconductor
below shows the encodings for the bits. These bits are set to 101 at reset signifying an
uninitialized state.
24.3.3.15 Debug Status (DBGSTAT)
Table 24-15. Comparator 2 Type Bit Encodings
Encodings
Comparator 2 Type
000
uninitialized
001
write address
010
read address
011
current pointer
100
task #
101
counter value
110
reserved
111
reserved
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
R
0
0
0
0
0
0
0
0
0
0
0
0
0
I
E
T
W
w1c
w1c
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
R
Task Blocked[15:0]
W
w1c
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Reg
Addr
MBAR + 0x807C
Figure 24-18. Debug Status Register (DBGSTAT)
Table 24-16. Debug Status Field Descriptions
Bits
Name Description
31-19
—
Reserved.
18
I
Interrupt. This bit indicates whether or not a interrupt has been taken. This bit is set to 0 at reset. It
can be written by the user or the PTD.
0 No Interrupt
1 Interrupt taken
17
E
External Breakpoint. This bit indicates detection of an external breakpoint. Status bit is sticky and
requires a 1 to be written to it to clear it. The writing of a 0 to this bit has no effect. This bit is set to
0 at reset.
0 No external breakpoint detected
1 E xternal breakpoint detected