Datasheet

Development Support
MC9S08QD4 Series MCU Data Sheet, Rev. 6
Freescale Semiconductor 171
Figure 12-6. System Background Debug Force Reset Register (SBDFR)
76543210
R00000000
W BDFR
1
1
BDFR is writable only through serial background mode debug commands, not from user programs.
Reset00000000
= Unimplemented or Reserved
Table 12-3. SBDFR Register Field Description
Field Description
0
BDFR
Background Debug Force Reset — A serial active background mode command such as WRITE_BYTE allows
an external debug host to force a target system reset. Writing 1 to this bit forces an MCU reset. This bit cannot
be written from a user program.