PCLKDBG |
Input |
APB clock. |
PCLKENDBG |
Input |
APB clock enable. |
nPRESETDBG |
Input |
Active-LOW APB reset:0 | Reset APB. |
1 | Do not reset APB. |
|
PSELDBG |
Input |
Debug registers select:
0 | Debug registers not selected. |
1 | Debug registers selected. |
|
PADDRDBG[21:2] |
Input |
APB address bus bits[21:2]. |
PADDRDBG31 |
Input |
APB address bus bit[31]:
0 | Not an external debugger access. |
1 | External debugger access. |
|
PENABLEDBG |
Input |
Indicates the second and subsequent cycles of an
APB transfer. |
PWRITEDBG |
Input |
APB read or write signal:
0 | Reads from APB. |
1 | Writes to APB. |
|
PWDATADBG[31:0] |
Input |
APB write data bus. |
PRDATADBG[31:0] |
Output |
APB read data bus. |
PREADYDBG |
Output |
APB slave ready. An APB slave can assert PREADYDBG to extend a
transfer by inserting wait states. |
PSLVERRDBG |
Output |
APB slave transfer error:
0 | No transfer error. |
1 | Transfer error. |
|