13.12.3 Status B

Name: STATUSB
Offset: 0x0002
Reset: 0x0x
Property: -

Bit 76543210 
  CEHLCELCKHPEDCCD1DCCD0DBGPRESPROT 
Access RRRRRRR 
Reset 00000xx 

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.

CAUTION: Once set, this bit cannot be cleared and the chip erase command is permanently disabled.

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.