A.8. Granular power requester signals

Table A.38 shows the granular power requester signals.

Table A.38. Granular power requester signals

Name

Type

Clock domain

Description

clk

Input

clk

Clock

resetn

Input

clk

Reset

paddr31dbg

Input

clk

Enables components to distinguish between internal accesses from system software and external accesses from a debugger.

cpwrupack[31:0]

Input

clk

Powerup acknowledge. This signal acknowledges that a system power controller responded to a powerup or powerdown request.

pseldbg

Input

clk

DAP select.

penabledbg

Input

clk

DAP enable.

pwritedbg

Input

clk

DAP write or read.

paddrdbg[11:2]

Input

clk

DAP compressed address bus.

pwdatadbg[31:0]

Input

clk

DAP write data bus.

preadydbg

Output

clk

DAP ready.

pslverrdbg

Output

clk

DAP slave error.

prdatadbg[31:0]

Output

clk

DAP compressed address bus.

cpwrupreq[31:0]

Output

clk

Powerup request. This signal requests the system power controller to:

  • Powerup the target power domain.

  • Enable the clocks.

De-asserting cpwrupreq indicates to a power controller that power can be removed from a domain.


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