Information

RCM_SRS1 field descriptions (continued)
Field Description
6
Reserved
This read-only field is reserved and always has the value zero.
5
SACKERR
Stop Mode Acknowledge Error Reset
Indicates a reset was caused, after an attempt to enter stop mode, by a failure of one or more peripherals
to acknowledge within approximately one second to enter stop mode.
0 Reset not caused by peripheral failure to acknowledge attempt to enter stop mode
1 Reset caused by peripheral failure to acknowledge attempt to enter stop mode
4
EZPT
EzPort Reset
Indicates a reset was caused by EzPort receiving the RESET command while the device is in EzPort
mode.
0 Reset not caused by EzPort receiving the RESET command while the device is in EzPort mode
1 Reset caused by EzPort receiving the RESET command while the device is in EzPort mode
3
MDM_AP
MDM-AP system reset request
Indicates a reset was caused by the host debugger system setting of the System Reset Request bit in the
MDM-AP Control Register.
0 Reset not caused by host debugger system setting of the System Reset Request bit
1 Reset caused by host debugger system setting of the System Reset Request bit
2
SW
Software
Indicates a reset was caused by software setting of SYSRESETREQ bit in Application Interrupt and Reset
Control Register in the ARM core.
0 Reset not caused by software setting of SYSRESETREQ bit
1 Reset caused by software setting of SYSRESETREQ bit
1
LOCKUP
Core Lockup
Indicates a reset was caused by the ARM core indication of a LOCKUP event.
0 Reset not caused by core LOCKUP event
1 Reset caused by core LOCKUP event
0
JTAG
JTAG generated reset
Indicates a reset was caused by JTAG selection of certain IR codes (EZPORT, EXTEST, HIGHZ, and
CLAMP).
0 Reset not caused by JTAG
1 Reset caused by JTAG
Reset memory map and register descriptions
K20 Sub-Family Reference Manual, Rev. 2, Feb 2012
256 Freescale Semiconductor, Inc.