The resolution is up to 720p60 (1280 × 720).
Input signals are 24 bits digital RGB (LTDC) for the video and I2S2 for the audio. Refer to the STM32MP157x
datasheet for details.
The control signals are I2C1, one interruption, and a dedicated reset.
The Consumer Electronic Control (CEC) is also available through the HDMI
®
transmitter (transmitter bypassed).
7.12.2
HDMI
®
I/O interface
Table 15 describes the I/O configuration for the HDMI
®
interface.
Table 15. I/O configuration for the HDMI
®
interface
I/O Configuration
PB6 PB6 is connected to HDMI_CEC.
PD9 PD9 is connected to LTDC_B0.
PG12 PG12 is connected to LTDC_B1.
PG10 PG10 is connected to LTDC_B2.
PD10 PD10 is connected to LTDC_B3.
PI4 PI4 is connected to LTDC_B4.
PA3 PA3 is connected to LTDC_B5.
PB8 PB8 is connected to LTDC_B6.
PD8 PD8 is connected to LTDC_B7.
PE5 PE5 is connected to LTDC_G0.
PE6 PE6 is connected to LTDC_G1.
PH13 PH13 is connected to LTDC_G2.
PH14 PH14 is connected to LTDC_G3.
PH15 PH15 is connected to LTDC_G4.
PI0 PI0 is connected to LTDC_G5.
PI1 PI1 is connected to LTDC_G6.
PI2 PI2 is connected to LTDC_G7.
PH2 PH2 is connected to LTDC_R0.
PH3 PH3 is connected to LTDC_R1.
PH8 PH8 is connected to LTDC_R2.
PH9 PH9 is connected to LTDC_R3.
PH10 PH10 is connected to LTDC_R4.
PC0 PC0 is connected to LTDC_R5.
PH12 PH12 is connected to LTDC_R6.
PE15 PE15 is connected to LTDC_R7.
PG7 PG7 is connected to LTDC_CLK.
PF10 PF10 is connected to LTDC_DE.
PI10 PI10 is connected to LTDC_HSYNC.
PI9 PI9 is connected to LTDC_VSYNC.
PA9 PA9 is connected to I2S2_CK.
PB9 PB9 is connected to I2S2_WS.
PI3 PI3 is connected to I2S2_SDO.
UM2534
HDMI®
UM2534 - Rev 1
page 20/47
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