A.4. APB signals

Table A.12 shows the APB signals.

Table A.12. APB interface signals

Signal AMBA equivalent [a]
paddr[31:0] [b]PADDR
penablePENABLE
prdata[31:0]PRDATA
preadyPREADY
pselPSELx
pslverr [c]PSLVERR
pwdata[31:0]PWDATA
pwritePWRITE

[a] For a description of these signals, see the AMBA 3 APB Protocol Specification.

[b] The DMC uses bits [11:2]. It ignores bits [31:12] and bits [1:0].

[c] The DMC ties pslverr LOW.


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