UM0470

Debug module (DM)

Table 4.

Decoding table for breakpoint interrupt generation

DM_CR1

BREAK CONDITIONS

DM_CSR1

BC2

BC1

BC0

BIR

BIW

BK1F

BK2F

BRW

0

0

0

0

0

Disabled (RESET state)

0

0

x

0

0

0

0

1

Data Write on @=BK1 and Data=BK2L

1

0

0

0

0

0

1

0

Data Read on @=BK1 and Data=BK2L

1

0

1

0

0

0

1

1

Data R/W on @=BK1 and Data=BK2L

1

0

0/1

0

0

1

0

0

Instruction fetch BK1<=@<=BK2

1

0

x

0

0

1

0

1

Data Write on BK1<=@<=BK2

1

0

0

0

0

1

1

0

Data Read on BK1<=@<=BK2

1

0

1

0

0

1

1

1

Data R/W on BK1<=@<=BK2

1

0

0/1

0

1

0

0

0

Instruction fetch on @<= BK1 or BK2<=@

1

0

x

0

1

0

0

1

Data Write on @<= BK1 or BK2<=@

1

0

0

0

1

0

1

0

Data Read on @<= BK1 or BK2<=@

1

0

1

0

1

0

1

1

Data R/W on @<= BK1 or BK2<=@

1

0

0/1

0

1

1

X

X

Disabled

0

0

x

1

0

0

0

0

Instruction fetch on @=BK1 then on @=BK2

0

1

x

1

0

0

0

1

Data Write on @=BK1 or @=BK2

10 or 01 or 11

0

1

0

0

1

0

Data Read on @=BK1 or @=BK2

10 or 01 or 11

1

1

0

0

1

1

Data R/W on @=BK1 or @=BK2

10 or 01 or 11

0/1

1

0

1

0

0

Instruction fetch on @=BK1 or @=BK2

10 or 01 or 11

x

1

0

1

0

1

Instruction fetch on @=BK1 / Data Write on @=BK2

10 or 01

x-0

1

0

1

1

0

Instruction fetch on @=BK1 / Data Read on @=BK2

10 or 01

x-1

1

0

1

1

1

Instruction fetch on @=BK1 / Data R/W on @=BK2

10 or 01

x-0/1

1

1

0

X

X

Disabled

0

0

x

1

1

1

0

0

Data Write in Stack on @<=BK1 / Instruction fetch on @=BK2

10 or 01

0-x

1

1

1

0

1

Data Write in Stack on @<=BK1 / Data Write on @=BK2

10 or 01 or 11

0

1

1

1

1

0

Data Write in Stack on @<=BK1 / Data Read on @=BK2

10 or 01

0-1

1

1

1

1

1

Data Write in Stack on @<=BK1 / Data R/W on @=BK2

10 or 01 or 11

0-0/1

Doc ID 14024 Rev 3

23/37