ADV7619:SDR 4:2:2 Output Modes 16Bit,can support resolution 4K@30Hz,another word,can clk up to 297MHz

Hi,

ADV7619:SDR 4:2:2 Output Modes 16Bit,can support resolution 4K@30Hz,another word,can clk up to 297MHz

   Yes, its possible for 4k@30 in 16 bit SDR 4:2:2 mode.

   Please note that SDR is supported upto 170 MHz LLC frequency (UXGA, 1080p60 for any OP_FORMAT_SEL or up to 300 MHz HDMI signals output on two 24-bit parallel video sub buses OP_FORMAT_SEL = 0x94, 0x95, 0x96, or 0x54; refer to Table 12).

Thanks,

poornima.S

Thank you for you reply！

Hi,

    As mentioned earlier, for 4K30 please configure the OP_FORMAT_SEL register as  = 0x94, 0x95, 0x96, or 0x54; and let us know the result.

  Can you please crosscheck your configuration with reference script " ##03 HDMI Input to ADV7619, Input Pixel Frequency > 170MHz ## ".

 Please note that, For resolutions higher than 1080p, the video signals are routed directly to the pixel bus output as two 24-bit (4:4:4) buses running at up to 150 MHz. So you need to configure the OP_FORMAT_SEL  as "0x94/ 0x95/0x96/0x54".

  In this mode, the output data format is the same as the input format - i.e  for resolutions higher than 1080p, the video signal bypasses the CP block.

Thanks,

Poornima

Thank you for your reply！

TXT is  ADV7619 register configurition，under that configuration，MCU can not get any data from the output

The pdf is  ADV7619 hardware schematic diagram。

Under these condition，can make 4k@30Hz work without change ADV7619 hardware schematic diagram？

{0x68,0xC0,0x03},// ADI Required Write
{0x98,0x00,0x02},// Set VID_STD
{0x98,0x01,0x06},// Prim_Mode =101b HDMI-Comp
{0x98,0x02,0xF0},// Auto CSC, YCbCr out, Set op_656 bit
{0x98,0x03,0x54},// 2x24 bit SDR 422 interleaved mode 0
{0x98,0x05,0x28},// AV Codes Off
{0x98,0x06,0xA0},// No inversion on VS,HS pins
{0x98,0x0C,0x42},// Power up part
{0x98,0x15,0x80},// Disable Tristate of Pins
{0x98,0x19,0x83},// LLC DLL phase
{0x98,0x33,0x40},// LLC DLL MUX enable
{0x98,0xDD,0xa0},// ADI Required Write//gai----
{0x98,0xE7,0x04},// ADI Required Write 
{0x4C,0xB5,0x01},// Setting MCLK to 256Fs
{0x4C,0xC3,0x80},// ADI Required Write
{0x4C,0xCF,0x03},// ADI Required Write
{0x4C,0xDB,0x80},// ADI Required Write
{0x68,0xC0,0x03},// ADI Required write
{0x68,0x00,0x08},// Set HDMI Input Port A (BG_MEAS_PORT_SEL = 001b)
{0x68,0x02,0x03},// ALL BG Ports enabled
{0x68,0x03,0x98},// ADI Required Write
{0x68,0x10,0xA5},// ADI Required Write
{0x68,0x1B,0x00},// ADI Required Write
{0x68,0x45,0x04},// ADI Required Write
{0x68,0x97,0xC0},// ADI Required Write
{0x68,0x3E,0x69},// ADI Required Write
{0x68,0x3F,0x46},// ADI Required Write
{0x68,0x4E,0xFE},// ADI Required Write 
{0x68,0x4F,0x08},//ADI Required Write
{0x68,0x50,0x00},// ADI Required Write
{0x68,0x57,0xA3},// ADI Required Write
{0x68,0x58,0x07},// ADI Required Write
{0x68,0x6F,0x08},// ADI Required Write
{0x68,0x83,0xFC},// Enable clock terminators for port A & B 
{0x68,0x84,0x03},// FP MODE
{0x68,0x85,0x10},// ADI Required Write 
{0x68,0x86,0x9B},// ADI Required Write 
{0x68,0x89,0x03},// HF Gain
{0x68,0x9B,0x03},// ADI Required Write
{0x68,0x93,0x03},// ADI Required Write
{0x68,0x5A,0x80},// ADI Required Write
{0x68,0x9C,0x80},// ADI Required Write
{0x68,0x9C,0xC0},// ADI Required Write
{0x68,0x9C,0x00},// ADI Required Write

PDF

Hi,

  MCU cannot get any data means, Please crosscheck your schematic with reference by make sure with reset and other pins which related to micrcontroller and ADV7619 are connected properly.

  Without MCU you can able to get the output by running the script in AVES tool, Below register configuration are missing from your text, you need to program the other maps by using IO map then only you can able to access the respective maps like HDMI DPLL etc.

  98 FF 80 ; I2C reset
  98 F4 80 ; CEC
  98 F5 7C ; INFOFRAME
  98 F8 4C ; DPLL
  98 F9 64 ; KSV
  98 FA 6C ; EDID
  98 FB 68 ; HDMI
  98 FD 44 ; CP

Thanks,

Poornima

As shown in the hardware schematic diagram provided earlier，only 16 wires and 1 clock wire are connected between the microcontroller and adv7619,and the other pins are not connected. (the reason is that the microcontroller we use only supports this connection method). Under this condition, when the Op_FORMAT_ SEL set to 0x80, and HDMI interface output signal 1920* 1080@60 to adv7619, the microcontroller can receive data from the pixel output pin, but when the HDMI interface output signal 3840* 2160@30    to adv7619, the microcontroller will not be able to receive data from the pixel output pin. At this time, I change Op_FORMAT_ SEL value to  0x54, because the actual connection of hardware pins in this mode does not matched to the described in the specification, so I do not know how to receive data from pixel output pin

Hi,

Depending on the OP_FORMAT_SEL  the pin assignment of YCbCr and RGB  will vary So you need to configure the pixel port pins according to the output format select.

 When OP_FORMAT_SEL as 0x80 in that case some of the pixel port pins will be in the high impedance state so the same configuration you should not use for 0x54 If so you will not get the video output for 4K input. Please configure the pixel port pins accordingly then your Microcontroller can able to fetch the correct data from ADV7619.

Also make sure with below register configuration in IO map for 4K input.

  0xBF[0] = 1 then CP Core is bypassed which is required for formats above 170Mhz.

Thanks,

Poornima