• State TI Thinks Resolved
  • Locked Locked
  • Replies 1 reply
  • Answers 1 answer
  • Subscribers 33 subscribers
  • Views 178 views
  • Users 0 members are here
Support feedback
Options
Options
Related

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

SN65DSI84: Could you review register setting

Downey Kim
Expert 2675 points
Part Number: SN65DSI84
Other Parts Discussed in Thread: DSI-TUNER

Hi TI experts,

We have using LCD with LVDS interface. 

we write the register value, but the screen does not appear on the LCD. LVDS output comes out from SN65DSI84, but I can't check if it is valid data.

Attached the register value. could you review this?

Fullscreen sn65dsi84_reg.txt Download 
DSI84-I2C: addr 0 read 0x00  - 0x35
DSI84-I2C: addr 1 read 0x01  - 0x38
DSI84-I2C: addr 2 read 0x02  - 0x49
DSI84-I2C: addr 3 read 0x03  - 0x53
DSI84-I2C: addr 4 read 0x04  - 0x44
DSI84-I2C: addr 5 read 0x05  - 0x20
DSI84-I2C: addr 6 read 0x06  - 0x20
DSI84-I2C: addr 7 read 0x07  - 0x20
DSI84-I2C: addr 8 read 0x08  - 0x01
DSI84-I2C: DSI84_PLL_EN read 0x0D  - 0x01
DSI84-I2C: DSI84_CORE_PLL read 0x0A  - 0x05
DSI84-I2C: DSI84_PLL_DIV read 0x0B  - 0x28
DSI84-I2C: DSI84_DSI_CFGread 0x10  - 0x20
DSI84-I2C: DSI84_CHA_DSI_CLK_RNG 0x12  - 0x64
DSI84-I2C: DSI84_CHB_DSI_CLK_RNG 0x13  - 0x00
DSI84-I2C: DSI84_LVDS_MODE read 0x18  - 0x6C
DSI84-I2C: DSI84_LVDS_SIGN read 0x19  - 0x0A
DSI84-I2C: DSI84_LVDS_TERM read 0x1A  - 0x00
DSI84-I2C: DSI84_CHA_LINE_LEN_LO read 0x20  - 0x80
DSI84-I2C: DSI84_CHA_LINE_LEN_HI read 0x21  - 0x07
DSI84-I2C: DSI84_CHB_LINE_LEN_LO read 0x22  - 0x00
DSI84-I2C: DSI84_CHB_LINE_LEN_HI read 0x23  - 0x00
DSI84-I2C: DSI84_CHA_VERT_LINES_LO read 0x24  - 0x38
DSI84-I2C: DSI84_CHA_VERT_LINES_HI read 0x25  - 0x04
DSI84-I2C: DSI84_CHB_VERT_LINES_LO read 0x26  - 0x00
DSI84-I2C: DSI84_CHB_VERT_LINES_HI read 0x27  - 0x00
DSI84-I2C: DSI84_CHA_SYNC_DELAY_LO read 0x28  - 0x20
DSI84-I2C: DSI84_CHA_SYNC_DELAY_HI read 0x29  - 0x00
DSI84-I2C: DSI84_CHB_SYNC_DELAY_LO read 0x2A  - 0x00
DSI84-I2C: DSI84_CHB_SYNC_DELAY_HI read 0x2B  - 0x00
DSI84-I2C: DSI84_CHA_HSYNC_WIDTH_LO read 0x2C  - 0x32
DSI84-I2C: DSI84_CHA_HSYNC_WIDTH_HI read 0x2D  - 0x00
DSI84-I2C: DSI84_CHB_HSYNC_WIDTH_LO read 0x2E  - 0x00
DSI84-I2C: DSI84_CHB_HSYNC_WIDTH_HI read 0x2F  - 0x00
DSI84-I2C: DSI84_CHA_VSYNC_WIDTH_LO read 0x30  - 0x15
DSI84-I2C: DSI84_CHA_VSYNC_WIDTH_HI read 0x31  - 0x00
DSI84-I2C: DSI84_CHB_VSYNC_WIDTH_LO read 0x32  - 0x00
DSI84-I2C: DSI84_CHB_VSYNC_WIDTH_HI read 0x33  - 0x00
DSI84-I2C: DSI84_CHA_HORZ_BACKPORCH read 0x34  - 0x80
DSI84-I2C: DSI84_CHB_HORZ_BACKPORCH read 0x35  - 0x00
DSI84-I2C: DSI84_CHA_VERT_BACKPORCH read 0x36  - 0x14
DSI84-I2C: DSI84_CHB_VERT_BACKPORCH read 0x37  - 0x00
DSI84-I2C: DSI84_CHA_HORZ_FRONTPORCH read 0x38  - 0x00
DSI84-I2C: DSI84_CHB_HORZ_FRONTPORCH read 0x39  - 0x00
DSI84-I2C: DSI84_CHA_VERT_FRONTPORCH read 0x3A  - 0x00
DSI84-I2C: DSI84_CHB_VERT_FRONTPORCH read 0x3B  - 0x00

Thanks

Downey Kim.