june 2016 docid029197 rev 1 1/12 1 UM2048 user manual dsi to hdmi adapter board for stm32 development tools introduction the dsi to hdmi adapter board (order code b-lcdad-hdmi1) provides dsi input port and hdmi output port. it can be used on stm32 evaluation boards or discovery boards, to demonstrate video solutions based on stm32 mcus. thanks to the bridge chip adv7533, the dsi to hdmi adapter board can support 2-, 3- or 4-lanes dsi video input data, s/pdif, 2-channels i 2 s audio input data and hdmi v1.3 output port. the b-lcdad-hdmi1 adapter board has the following features: ? up to four lanes of mipi/dsi data, each running up to 800 mbps (video mode only: non- burst mode with synchronization pulse) ? 2-channels i 2 s transmit stereo up to 192 khz sampling rate ? s/pdif carries stereo lpcm audio or compressed audio ? hdmi output connector: ? support of video resolutions with pixel clocks up to 80 mhz ? support of cec signals, 5 v-tolerant i 2 c and hpd i/os ? common-mode filters with esd protection figure 1. dsi to hdmi adapter board front side back side pictures not contractual www.st.com
contents UM2048 2/12 docid029197 rev 1 contents 1 hardware layout and configurat ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 video and audio input connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.1 video input (mipi dsi) signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.2 audio input (s/pdif & i 2 s) signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.3 control signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3 hdmi output connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 4 cec . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 5 schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 6 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
docid029197 rev 1 3/12 UM2048 list of tables 3 list of tables table 1. video and audio input connector cn1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 table 2. hdmi output connector cn2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 table 3. cec source connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 table 4. document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
list of figures UM2048 4/12 docid029197 rev 1 list of figures figure 1. dsi to hdmi adapter board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 figure 2. hardware block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 figure 3. dsi to hdmi adapter board layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 figure 4. board schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
docid029197 rev 1 5/12 UM2048 hardware layout and configuration 11 1 hardware layout and configuration dsi to hdmi adapter board is designed around the adv7533. figure 2 illustrates the connections on dsi to hdmi adapter board and figure 3 will help to locate these features on the actual evaluation board. figure 2. hardwa re block diagram figure 3. dsi to hdmi adapter board layout $ x g l r v l j q d o v & |