13.12.3 Status B
Name: | STATUSB |
Offset: | 0x0002 |
Reset: | 0x0x |
Property: | - |
Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
CEHL | CELCK | HPE | DCCD1 | DCCD0 | DBGPRES | PROT | |||
Access | R | R | R | R | R | R | R | ||
Reset | 0 | 0 | 0 | 0 | 0 | x | x |
Bit 6 – CEHL Chip Erase Hard Locked
Writing a '0' to this bit has no effect.
Writing a '1' to this bit has no effect.
This bit is set when Chip Erase is hard locked.
Bit 5 – CELCK Chip Erase Locked
Writing a '0' to this bit has no effect.
Writing a '1' to this bit has no effect.
This bit is set when Chip Erase is locked.
This bit is cleared when Chip Erase is unlocked.
Bit 4 – HPE Hot-Plugging Enable
Writing a '0' to this bit has no effect.
Writing a '1' to this bit has no effect.
This bit is set when Hot-Plugging is enabled.
This bit is cleared when Hot-Plugging is disabled. This is the case when the SWCLK function is changed. Only a power-reset or a external reset can set it again.
Bits 2, 3 – DCCD Debug Communication Channel x Dirty
Writing a '0' to this bit has no effect.
Writing a '1' to this bit has no effect.
This bit is set when DCC is written.
This bit is cleared when DCC is read.
Bit 1 – DBGPRES Debugger Present
Writing a '0' to this bit has no effect.
Writing a '1' to this bit has no effect.
This bit is set when a debugger probe is detected.
This bit is never cleared.
Bit 0 – PROT Protected
Writing a '0' to this bit has no effect.
Writing a '1' to this bit has no effect.
This bit is set at power-up when the device is protected (i.e., the Security Bit is set).
This bit is reset at power-up when the device is not protected.