Table 31-3. MDM-AP status register assignments (continued)
Bit
Name
Description
1 Flash is ready.
2
System Security
Indicates the security state. When secure, the debugger does not have
access to the system bus or any memory mapped peripherals. This field
indicates when the part is locked and no system bus access is possible.
NOTE: This bit is not valid until Flash Ready bit set.
0 Device is unsecured.
1 Device is secured.
3
System Reset
Indicates the system reset state.
0 System is in reset.
1 System is not in reset.
4
Reserved
5 – 15
Reserved for future use
Always read 0.
16
Core Halted
Indicates the core has entered Debug Halt mode
0 Core is not halted.
1 Core is halted.
17
Core SLEEPDEEP
SLEEPDEEP=1 indicates the core has entered Stop mode.
18
Core SLEEPING
SLEEPING=1 indicates the core has entered Wait mode.
19 – 31
Reserved for future use
Always reads 0.
31.3.2 MDM-AP Control register
Table 31-4. MDM-AP Control register assignments
Bit
Name
Secure
Description
0
Flash Mass Erase in Progress
Y
Set to cause mass erase. Cleared by hardware after mass erase
operation completes.
1
Debug Disable
N
Set to disable debug. Clear to allow debug operation. When set, it
overrides the C_DEBUGEN field within the DHCSR
disable Debug logic.
2
Debug Request
N
Set to force the core to halt.
If the core is in Stop or Wait mode, this field can be used to wake the
core and transition to a halted state.
3
System Reset Request
Y
Set to force a system reset. The system remains held in reset until
this field is cleared. When this bit is set, RESET pin does not reflect
the status of system reset and does not keep low.
4
Core Hold
N
Configuration field to control core operation at the end of system
reset sequencing.
0 Normal operation—release the core from reset along with the rest
of the system at the end of system reset sequencing.
Table continues on the next page...
SWD status and control registers
Kinetis KE1xZ256 Sub-Family Reference Manual, Rev. 3, 07/2018
638
NXP Semiconductors
Summary of Contents for Kinetis KE1xZ256
Page 2: ...Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 2 NXP Semiconductors...
Page 178: ...Usage Guide Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 178 NXP Semiconductors...
Page 356: ...Usage Guide Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 356 NXP Semiconductors...
Page 410: ...Interrupts Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 410 NXP Semiconductors...
Page 604: ...Usage Guide Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 604 NXP Semiconductors...
Page 634: ...Usage Guide Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 634 NXP Semiconductors...
Page 674: ...Usage Guide Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 674 NXP Semiconductors...
Page 820: ...Usage Guide Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 820 NXP Semiconductors...
Page 1030: ...Usage Guide Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 1030 NXP Semiconductors...
Page 1052: ...Usage Guide Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 1052 NXP Semiconductors...
Page 1066: ...Usage Guide Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 1066 NXP Semiconductors...
Page 1268: ...Usage Guide Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 1268 NXP Semiconductors...
Page 1314: ...Usage Guide Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 1314 NXP Semiconductors...
Page 1316: ...Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 1316 NXP Semiconductors...