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AD9396/PCB датащи(PDF) 25 Page - Analog Devices |
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AD9396/PCB датащи(HTML) 25 Page - Analog Devices |
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25 / 48 page ![]() AD9396 Rev. 0 | Page 25 of 48 Hex Address Read/Write or Read Only Bits Default Value Register Name Description [3:2] ****00** Output Mode Selects which pins the data comes out on. 00 = 4:4:4 mode (normal). 01 = 4:2:2 + DDR 4:2:2 on blue. 10 = DDR 4:4:4 + DDR 4:2:2 on blue. [1] ******1* Primary Output Enable Enables primary output. [0] *******0 Secondary Output Enable Enables secondary output (DDR 4:2:2 in Output Mode 1 and Mode 2). 0x26 Read/Write [7] 0******* Output Three- State Three-states the outputs. [6] *0****** SOG Three-State Three-states the SOG output. [3] ****1*** Power-Down Pin Polarity Sets polarity of power-down pin. 0 = active low. 1 = active high. Selects the function of the power-down pin. [2:1] *****00* Power-Down Pin Function 00 = power-down. 01 = power-down and three-state SOG. 10 = three-state outputs only. 11 = three-state outputs and SOG. [0] *******0 Power-Down 0 = normal. 1 = power-down. 0x27 Read/Write [7] 1******* Auto Power- Down Enable 0 = disable auto low power state. 1 = enable auto low power state. [6] *0****** HDCP A0 Sets the LSB of the address of the HDCP I2C. Set to 1 only for a second receiver in a dual-link configuration. 0 = use internally generated MCLK. 1 = use external MCLK input. [4] ***0**** BT656 EN Enables EAV/SAV codes to be inserted into the video output data. [3] ****0*** Force DE Generation Allows use of the internal DE generator in DVI mode. [2:0] *****000 Interlace Offset Sets the difference (in HSYNCs) in field length between Field 0 and Field 1. 0x28 Read/Write [7:2] 011000** VS Delay Sets the delay (in lines) from VSYNC leading edge to the start of active video. [1:0] ******01 HS Delay MSB MSB, Register 0x29. 0x29 Read/Write [7:0] 00000100 HS Delay Sets the delay (in pixels) from HSYNC leading edge to the start of active video. 0x2A Read/Write [3:0] ****0101 Line Width MSB MSB, Register 0x2B. 0x2B Read/Write [7:0] 00000000 Line Width Sets the width of the active video line (in pixels). 0x2C Read/Write [3:0] ****0010 Screen Height MSB MSB, Register 0x2D. 0x2D Read/Write [7:0] 11010000 Screen Height Sets the height of the active screen (in lines). 0x2E Read/Write [7] 0******* Test 1 Must be written to 1 for proper operation. 0x2F Read [6] *0****** TMDS Sync Detect Detects a TMDS DE. [5] **0***** TMDS Active Detects a TMDS clock. [3] ****0*** HDCP Keys Read Returns 1 when read of EEPROM keys is successful. [2:0] *****000 DVI Quality Returns quality number based on DE edges. |
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