APB_S_PSEL |
In |
High |
Indicates APB slave select |
APB_S_PENABLE |
In |
High |
Indicates APB enable |
APB_S_PWRITE |
In |
High |
APB write-control signal. Indicates read when
Low and write when High. |
APB_S_PADDR [10:2] |
In |
|
Indicates APB address. Addresses are
word-aligned. |
APB_S_PWDATA [15:0] |
In |
|
Indicates APB write data |
APB_S_PRDATA [15:0] |
Out |
|
Indicates APB read data |
APB_S_PREADY |
Out |
|
Indicates APB PREADY signal and is used to extend an APB transfer. |
APB_S_PSLVERR |
Out |
High |
Indicates a transfer failure |
APB_S_PCLK |
In |
|
Indicates APB clock |
APB_S_PRESET_N |
In |
Low |
Indicates APB active-low reset |