4.2.2 Input and Output Signals
(Ask a Question)The following table lists the input and output ports of FOC Transformations.
| Signal Name | Direction | Description |
|---|---|---|
| reset_i | Input | Active low asynchronous reset signal |
| sys_clk_i | Input | System clock |
| start_clarke_i | Input | Start signal for Clarke computation should be high for one system clock cycle |
| ia_i | Input | Phase A current input for Clarke computation |
| ib_i | Input | Phase B current input for Clarke computation |
| start_park_i | Input | Start signal for Park computation should be high for one system clock cycle |
| alpha_i | Input | Alpha-axis current input for Park computation |
| beta_i | Input | Beta-axis current input for Park computation |
| theta_i | Input | Angle value for park and inverse park computation |
| start_ipark_i | Input | Start signal for inverse park computation should be high for one system clock cycle |
| vq_i | Input | Q-axis voltage input for inverse park computation |
| vd_i | Input | D-axis voltage input for inverse park computation |
| start_iclarke_i | Input | Start signal for inverse clarke computation must be high for one system clock cycle |
| valpha_i | Input | Alpha-axis voltage input for inverse clarke computation |
| vbeta_i | Input | Beta-axis voltage input for inverse clarke computation |
| ialpha_o | Output | Alpha-axis current output from clarke computation |
| ibeta_o | Output | Beta-axis current output from clarke computation |
| clarke_done_o | Output | Indicates clarke computation is complete and the computation outputs are available. High for one system clock cycle. |
| id_o | Output | D-axis current output from Park computation |
| iq_o | Output | Q-axis current output from Park computation |
| park_done_o | Output | Indicates Park computation is complete and the computation outputs are available. High for one system clock cycle. |
| va_o | Output | A-phase voltage output from inverse clarke computation |
| vb_o | Output | B-phase voltage output from inverse clarke computation |
| vc_o | Output | C-phase voltage output from inverse clarke computation |
| iclarke_done_o | Output | Indicates inverse clarke computation is complete and the computation outputs are available. High for one system clock cycle. |
| valpha_o | Output | Alpha-axis voltage output from inverse park computation |
| vbeta_o | Output | Beta-axis voltage output from inverse park computation |
| ipark_done_o | Output | Indicates inverse park computation is complete and the computation outputs are available. High for one system clock cycle. |