FT812Q-R datasheet(61/63 Pages) BRIDGETEK

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FT81X Embedded Video Engine Datasheet

Version 1.4

Document No.: BRT_000002 Clearance No.: BRT#004

Appendix B - List of Figures and Tables

List of Figures

Figure 2-1 FT81x Block Diagram .....................................................................................................3

Figure 2-2 FT81x System Design Diagram .......................................................................................3

Figure 4-1 SPI master and slave in the master read case................................................................. 14

Figure 4-2 Single/Dual SPI Interface connection ............................................................................. 14

Figure 4-3 Quad SPI Interface connection ...................................................................................... 15

Figure 4-4 Internal relaxation oscillator connection ......................................................................... 21

Figure 4-5 Crystal oscillator connection ......................................................................................... 21

Figure 4-6 External clock input ..................................................................................................... 21

Figure 4-7 RGB timing waveforms................................................................................................. 29

Figure 4-8 Resistive Touch screen connection................................................................................. 33

Figure 4-9 Touch screen connection .............................................................................................. 34

Figure 4-10 Internal regulator ...................................................................................................... 37

Figure 4-11 Power State Transition ............................................................................................... 38

Figure 6-1 SPI Interface Timing .................................................................................................... 50

Figure 6-2 RGB Interface Timing................................................................................................... 52

Figure 7-1 FT812 application circuit............................................................................................... 53

Figure 7-2 FT813 application circuit............................................................................................... 53

Figure 7-3 Backlight drive circuit .................................................................................................. 54

Figure 7-4 Audio filter and amplifier circuit..................................................................................... 54

Figure 8-1 VQFN-48 Package Dimensions ...................................................................................... 56

Figure 8-2 VQFN-56 Package Dimensions ...................................................................................... 56

Figure 8-3 FT81x Solder Reflow Profile .......................................................................................... 57

List of Tables

Table 3-1 FT81x pin description.................................................................................................... 12

Table 4-1 QSPI channel selection.................................................................................................. 13

Table 4-2 Host memory read transaction ....................................................................................... 15

Table 4-3 Host memory write transaction ...................................................................................... 16

Table 4-4 Host command transaction ............................................................................................ 16

Table 4-5 Host command list........................................................................................................ 20

Table 4-6 Interrupt Flags bit assignment ....................................................................................... 20

Table 4-7 Font table format ......................................................................................................... 23

Table 4-8 ROM font table ............................................................................................................. 23

Table 4-9 ROM font ASCII character width in pixels......................................................................... 26

Table 4-10 ROM font Extended ASCII characters ............................................................................ 26

Table 4-11 RGB PCLK frequency ................................................................................................... 27

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