Address offset: 0x314
Indicates the power down status of the ETM.
| Bit number | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID | B | A | |||||||||||||||||||||||||||||||||
| Reset 0x00000000 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||
| ID | R/W | Field | Value ID | Value | Description | ||||||||||||||||||||||||||||||
| A |
RW |
POWER |
Indicates ETM is powered up |
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|
NotPoweredUp |
0 |
ETM is not powered up. All registers are not accessible. |
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|
PoweredUp |
1 |
ETM is powered up. All registers are accessible. |
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| B |
RW |
STICKYPD |
Sticky power down state. This bit is set to 1 when power to the ETM registers is removed, to indicate that programming state has been lost. It is cleared after a read of the TRCPDSR |
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|
NotPoweredDown |
0 |
Trace register power has not been removed since the TRCPDSR was last read. |
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|
PoweredDown |
1 |
Trace register power has been removed since the TRCPDSR was last read. |
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