2.3.5. Transmitter PPI Signals
The interface between the Intel MIPI D-PHY IP and the MIPI CSI-2 Intel® FPGA IP uses the PPI defined in the MIPI D-PHY standards. This interface carries the outgoing data stream from the CSI-2 Transmitter that the D-PHY IP processes.
Signal | Width | Direction | Description |
---|---|---|---|
Clock Lane High Speed Transmit <ppi_width>=16 | |||
tx_word_clk_hs_ck | 1 | Input | Refer to MIPI D-PHY specification version 2.5: Figures 92-94 Example High-Speed Transmission from the Master Side: 8-/16-/32-Bit Bus Width. |
tx_data_width_hs_ck | 2 | Output | |
tx_data_hs_ck | ppi_width | Output | |
tx_valid_hs_ck | ppi_width/8 | Output | |
tx_data_transfer_en_hs_ck | 1 | Output | |
tx_request_hs_ck | 1 | Output | Refer to MIPI D-PHY specification version 2.5: Figure 90, Example High Speed Clock Enable, LP Mode. Figure 121 High Speed Transmission and Reception with HS-Idle Function. |
tx_ready_hs_ck | 1 | Input | |
tx_eq_active_hs_ck | 1 | Output | Refer to MIPI D-PHY specification version 2.5 Table 50. |
tx_eq_level_hs_ck | 1 | Output | |
tx_skew_cal_hs_ck | 1 | Output | Skew calibration. Implementation-specific how the system responds to this condition. Refer to MIPI D-PHY specification version 2.5: Figure 119. Skew Calibration, LP Mode. |
tx_alternate_cal_hs_ck | 1 | Output | |
Data Lane High Speed Transmit <lane>=0-7; <ppi_width>=16 | |||
tx_word_clk_hs_d<lane> | 1 | Input | Refer to MIPI D-PHY specification version 2.5: Figures 92-94 Example High-Speed Transmission from the Master Side: 8-/16-/32-Bit Bus Width. |
tx_data_width_hs_d<lane> | 2 | Output | |
tx_data_hs_d<lane> | ppi_width | Output | |
tx_valid_hs_d<lane> | ppi_width/8 | Output | |
tx_data_transfer_en_hs_d<lane> | 1 | Output | |
tx_request_hs_d<lane> | 1 | Output | Refer to MIPI D-PHY specification version 2.5: Figure 90, Example High Speed Clock Enable, LP Mode. Figure 121 High Speed Transmission and Reception with HS-Idle Function. |
tx_ready_hs_d<lane> | 1 | Input | |
tx_eq_active_hs_d<lane> | 1 | Output | Refer to MIPI D-PHY specification version 2.5 Table 50. |
tx_eq_level_hs_d<lane> | 1 | Output | |
tx_skew_cal_hs_d<lane> | 1 | Output | Calibration. Implementation-specific how the system responds to this condition. Refer to MIPI D-PHY specification version 2.5: Figure 119. Skew Calibration, LP Mode. |
tx_alternate_cal_hs_d<lane> | 1 | Output | |
Clock Lane Escape Mode Transmit (LPDT= low-power data transmission, ULPS = Sleep Mode) | |||
tx_clk_esc_ck | 1 | Input | Escape mode signals – Refer to MIPI D-PHY specification version 2.5 Table 50. |
tx_request_esc_ck | 1 | Output | |
tx_request_type_esc_ck | 4 | Output | |
tx_lpdt_esc_ck | 1 | Output | |
tx_ulps_exit_ck | 1 | Output | |
tx_ulps_esc_ck | 1 | Output | |
tx_trigger_esc_ck | 4 | Output | |
tx_data_esc_ck | 8 | Output | |
tx_valid_esc_ck | 1 | Output | |
tx_ready_esc_ck | 1 | Input | |
Data Lane Escape Mode Transmit (LPDT= low-power data transmission, ULPS = Sleep Mode). <lane>=0-7 | |||
tx_clk_esc_d<lane> | 1 | Input | Escape mode signals – Refer to MIPI D-PHY specification version 2.5 Table 50. |
tx_request_esc_d<lane> | 1 | Output | |
tx_request_type_esc_d<lane> | 4 | Output | |
tx_lpdt_esc_d<lane> | 1 | Output | |
tx_ulps_exit_d<lane> | 1 | Output | |
tx_ulps_esc_d<lane> | 1 | Output | |
tx_trigger_esc_d<lane> | 4 | Output | |
tx_data_esc_d<lane> | 8 | Output | |
tx_valid_esc_d<lane> | 1 | Output | |
tx_ready_esc_d<lane> | 1 | Input | |
Clock Lane Control | |||
turn_request_ck | 1 | Output | Clock lane direction signals – Refer to MIPI D-PHY specification version 2.5 Table 50. |
direction_ck | 1 | Input | |
turn_disable_ck | 1 | Output | |
force_rx_mode_ck | 1 | Output | Refer to MIPI D-PHY specification version 2.5: Figure 86. Master PHY Enable, LP Mode. |
force_tx_stop_mode_ck | 1 | Output | |
stop_state_ck | 1 | Input | |
enable_ck | 1 | Output | |
alp_mode_ck | 1 | Output | Alternate Low Power Mode Selection - Refer to MIPI D-PHY specification version 2.5 Table 50. |
tx_ulps_clk_ck | 1 | Output | Refer to MIPI D-PHY specification version 2.5: Figure 114. Example Clock Lane ULPS Entry and Exit, LP Mode. |
rx_ulps_clk_not_ck | 1 | Input | |
ulps_active_not_ck | 1 | Input | |
tx_hsidle_clk_hs_ck | 1 | Output | Refer to MIPI D-PHY specification version 2.5: Figure 121. HS Transmission and Reception with HS-IDLE Function. |
tx_hsidle_clk_ready_hs_ck | 1 | Input | |
Data Lane Control<lane>=0-7 | |||
turn_request_d<lane> | 1 | Output | Data lane direction signals – Refer to MIPI D-PHY specification version 2.5 Table 50. |
direction_d<lane> | 1 | Input | |
turn_disable_d<lane> | 1 | Output | |
force_rx_mode_d<lane> | 1 | Output | Refer to MIPI D-PHY specification version 2.5: Figure 86. Master PHY Enable, LP Mode. |
force_tx_stop_mode_d<lane> | 1 | Output | |
stop_state_d<lane> | 1 | Input | |
enable_d<lane> | 1 | Output | |
alp_mode_d<lane> | 1 | Output | Alternate Low Power Mode Selection - Refer to MIPI D-PHY specification version 2.5 Table 50. |
tx_ulps_clk_d<lane> | 1 | Output | Refer to MIPI D-PHY specification version 2.5: Figure 114. Example Clock Lane ULPS Entry and Exit, LP Mode. |
rx_ulps_clk_not_d<lane> | 1 | Input | |
ulps_active_not_d<lane> | 1 | Input | |
tx_hsidle_clk_hs_d<lane> | 1 | Output | Refer to MIPI D-PHY specification version 2.5: Figure 121. HS Transmission and Reception with HS-IDLE Function. |
tx_hsidle_clk_ready_hs_d<lane> | 1 | Input |