2.4. Interface Signals
The tables list the signals for the HDMI PHY Intel® FPGA IP design example.
Signal | Direction | Width | Description |
---|---|---|---|
On-board Oscillator Signal | |||
clk_fpga_b3_p | Input |
1 | 100 MHz free running clock for core reference clock |
refclk_fmcb_p | Input | 1 | Fixed rate reference clock for power-up calibration of the transceiver. It is 625 MHz by default but can be of any frequency |
User Push Buttons and LEDs | |||
cpu_resetn | Input |
1 | Global reset |
user_led_g | Output |
2 | Green LED display |
HDMI FMC Daughter Card Pins on FMC Port B | |||
fmcb_gbtclk_m2c_p_0 | Input |
1 |
HDMI RX TMDS clock |
fmcb_dp_m2c_p | Input |
3 | HDMI RX red, green, and blue data channels
|
fmcb_dp_c2m_p | Output |
4 | HDMI TX clock, red, green, and blue data channels
|
fmcb_la_rx_p_9 | Input |
1 | HDMI RX +5V power detect |
fmcb_la_rx_p_8 | Input |
1 | HDMI RX hot plug detect |
fmcb_la_rx_n_8 | Input |
1 | HDMI RX I2C SDA for DDC and SCDC |
fmcb_la_tx_p_10 | Input |
1 | HDMI RX I2C SCL for DDC and SCDC |
fmcb_la_tx_p_12 | Input |
1 | HDMI TX hot plug detect |
fmcb_la_tx_n_12 | Input |
1 | HDMI I2C SDA for DDC and SCDC |
fmcb_la_rx_p_10 | Input |
1 | HDMI I2C SCL for DDC and SCDC |
fmcb_la_tx_p_11 | Input |
1 | HDMI I2C SDA for redriver control |
fmcb_la_rx_n_9 | Input |
1 | HDMI I2C SCL for redriver control |