SYSCTRL_DEU_STATUS

Bit Field

Read/Write

Field Name

Description

17

W

OVERFLOW_CLEAR

Clear OVERFLOW flag

16

W

FIRST_DAP_W_FLAG_CLEAR

Clear the FIRST_DAP_W_FLAG

12

R

FIRST_DAP_W_FLAG

First Debug access port write flag

8

R

OVERFLOW

High when DEU_DATA register is written before been read by any bus. Clear via CLR_OVERFLOW action bit.

4

R

SBUS_W

Set when SBus writes the DEU_DATA, clear when the debug access port read the DEU_DATA register

0

R

DAP_W

Set when the debug access port writes the DEU_DATA, clear when the SBus reads the DEU_DATA register.

Bit Field

Field Name

Value Symbol

Value Description

Hex Value

17

OVERFLOW_CLEAR

DEU_OVERFLOW_CLEAR

Clear the flag OVERFLOW

0x1

16

FIRST_DAP_W_FLAG_CLEAR

DEU_FIRST_DAP_W_FLAG_CLEAR

Clear the flag FIRST_DAP_W_FLAG

0x1

12

FIRST_DAP_W_FLAG

FIRST_DAP_W_FLAG_LOW

First DAP write flag low

0x0*

FIRST_DAP_W_FLAG_HIGH

First DAP write flag high

0x1

8

OVERFLOW

NO_OVERFLOW

No overflow on DEU_DATA register

0x0*

OVERFLOW

Overflow on DEU_DATA register

0x1

4

SBUS_W

DAP_R_DATA

Debug access port has read the DEU_DATA register.

0x0*

SBUS_W_DATA

SBus has written DEU_DATA register.

0x1

0

DAP_W

SBUS_R_DATA

SBus has read the DEU_DATA register.

0x0*

DAP_W_DATA

Debug access port has written DEU_DATA register.

0x1