Datasheet

13.13.13 CoreSight ROM Table Memory Type

Name: MEMTYPE

Offset: 0x1FCC

Reset: 0x0000000x

Property: -

Bit 31 30 29 28 27 26 25 24

Access

Reset

Bit 23 22 21 20 19 18 17 16

Access

Reset

Bit 15 14 13 12 11 10 9 8

Access

Reset

Bit 7 6 5 4 3 2 1 0

SMEMP

Access

Reset x

Bit 0 – SMEMP System Memory Present

This bit indicates whether system memory is present on the bus that connects to the ROM table.

This bit is set at power-up if the device is not protected, indicating that the system memory is accessible

from a debug adapter.

This bit is cleared at power-up if the device is protected, indicating that the system memory is not

accessible from a debug adapter.

SAM D21 Family

DSU - Device Service Unit

Datasheet Complete

DS40001882D-page 99