SNLS313I September   2009  – October  2019 DS90UR905Q-Q1 , DS90UR906Q-Q1

PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
    1.     Device Images
      1.      Application Diagram
  4. Revision History
  5. Description (continued)
  6. Pin Configuration and Functions
    1.     DS90UR905Q-Q1 Serializer Pin Functions
    2.     DS90UR906Q-Q1 Deserializer Pin Functions
  7. Specifications
    1. 7.1  Absolute Maximum Ratings
    2. 7.2  ESD Ratings
    3. 7.3  Recommended Operating Conditions
    4. 7.4  Thermal Information
    5. 7.5  Serializer DC Electrical Characteristics
    6. 7.6  Deserializer DC Electrical Characteristics
    7. 7.7  DC and AC Serial Control Bus Characteristics
    8. 7.8  Timing Requirements for DC and AC Serial Control Bus
    9. 7.9  Timing Requirements for Serializer PCLK
    10. 7.10 Timing Requirements for Serial Control Bus
    11. 7.11 Switching Characteristics: Serializer
    12. 7.12 Switching Characteristics: Deserializer
    13. 7.13 Typical Characteristics
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagrams
    3. 8.3 Feature Description
      1. 8.3.1 Data Transfer
      2. 8.3.2 Video Control Signal Filter — Serializer and Deserializer
      3. 8.3.3 Serializer Functional Description
        1. 8.3.3.1 EMI Reduction Features
          1. 8.3.3.1.1 Serializer Spread Spectrum Compatibility
        2. 8.3.3.2 Signal Quality Enhancers
          1. 8.3.3.2.1 Serializer VOD Select (VODSEL)
          2. 8.3.3.2.2 Serializer De-Emphasis (De-Emph)
        3. 8.3.3.3 Power-Saving Features
          1. 8.3.3.3.1 Serializer Power-down Feature (PDB)
          2. 8.3.3.3.2 Serializer Stop Clock Feature
          3. 8.3.3.3.3 1.8-V or 3.3-V VDDIO Operation
        4. 8.3.3.4 Serializer Pixel Clock Edge Select (RFB)
        5. 8.3.3.5 Optional Serial Bus Control
        6. 8.3.3.6 Optional BIST Mode
      4. 8.3.4 Deserializer Functional Description
        1. 8.3.4.1  Signal Quality Enhancers
          1. 8.3.4.1.1 Deserializer Input Equalizer Gain (EQ)
        2. 8.3.4.2  EMI Reduction Features
          1. 8.3.4.2.1 Deserializer Output Slew (OS_PCLK/DATA)
          2. 8.3.4.2.2 Deserializer Common-Mode Filter Pin (CMF) — Optional
          3. 8.3.4.2.3 Deserializer SSCG Generation — Optional
          4. 8.3.4.2.4 1.8-V or 3.3-V VDDIO Operation
        3. 8.3.4.3  Power-Saving Features
          1. 8.3.4.3.1 Deserializer Power-Down Feature (PDB)
          2. 8.3.4.3.2 Deserializer Stop Stream SLEEP Feature
        4. 8.3.4.4  Deserializer CLOCK-DATA RECOVERY STATUS FLAG (LOCK) and OUTPUT STATE SELECT (OSS_SEL)
        5. 8.3.4.5  Deserializer Oscillator Output (Optional)
        6. 8.3.4.6  Deserializer OP_LOW (Optional)
        7. 8.3.4.7  Deserializer Pixel Clock Edge Select (RFB)
        8. 8.3.4.8  Deserializer Control Signal Filter (Optional)
        9. 8.3.4.9  Deserializer Low Frequency Optimization (LF_Mode)
        10. 8.3.4.10 Deserializer Map Select
        11. 8.3.4.11 Deserializer Strap Input Pins
        12. 8.3.4.12 Optional Serial Bus Control
        13. 8.3.4.13 Optional BIST Mode
      5. 8.3.5 Built-In Self Test (BIST)
        1. 8.3.5.1 Sample BIST Sequence
        2. 8.3.5.2 BER Calculations
      6. 8.3.6 Optional Serial Bus Control
    4. 8.4 Device Functional Modes
      1. 8.4.1 Serializer and Deserializer Operating Modes and Backward Compatibility (CONFIG[1:0])
    5. 8.5 Register Maps
  9. Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Display Application
      2. 9.1.2 Live Link Insertion
      3. 9.1.3 Alternate Color / Data Mapping
    2. 9.2 Typical Applications
      1. 9.2.1 DS90UR905Q-Q1 Typical Connection
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
        3. 9.2.1.3 Application Curves
      2. 9.2.2 DS90UR906Q-Q1 Typical Connection
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Detailed Design Procedure
        3. 9.2.2.3 Application Curves
  10. 10Power Supply Recommendations
    1. 10.1 Power Up Requirements and PDB Pin
  11. 11Layout
    1. 11.1 Layout Guidelines
      1. 11.1.1 Transmission Media
      2. 11.1.2 LVDS Interconnect Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 Related Links
    3. 12.3 Community Resource
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Pin Configuration and Functions

RHS Package
48-Pin WQFN
Top View
DS90UR905Q-Q1 DS90UR906Q-Q1 30102019.gif

DS90UR905Q-Q1 Serializer Pin Functions(1)

PIN I/O, TYPE DESCRIPTION
NAME NO.
LVCMOS PARALLEL INTERFACE
B[7:0] 2, 1, 48, 47, 46, 45, 44, 43 I, LVCMOS
with pulldown
BLUE parallel interface data input pins
(MSB = 7, LSB = 0)
DE 5 I, LVCMOS
with pulldown
Data enable input
Video control signal pulse width must be 3 PCLKs or longer to be transmitted when the control signal filter is enabled (CONFIG[1:0] = 01). There is no restriction on the minimum transition pulse when the control signal filter is disabled (CONFIG[1:0] = 00). The signal is limited to 2 transitions per 130 PCLKs.
G[7:0] 42, 41, 40, 39, 38, 37, 36, 35 I, LVCMOS
with pulldown
GREEN parallel interface data input pins
(MSB = 7, LSB = 0)
HS 3 I, LVCMOS
with pulldown
Horizontal Sync Input
Video control signal pulse width must be 3 PCLKs or longer to be transmitted when the control signal filter is enabled (CONFIG[1:0] = 01). There is no restriction on the minimum transition pulse when the control signal filter is disabled (CONFIG[1:0] = 00). The signal is limited to 2 transitions per 130 PCLKs.
PCLK 10 I, LVCMOS
with pulldown
Pixel clock input
Latch edge set by RFB function.
R[7:0] 34, 33, 32, 29, 28, 27, 26, 25 I, LVCMOS
with pulldown
RED parallel interface data input pins
(MSB = 7, LSB = 0)
VS 4 I, LVCMOS
with pulldown
Vertical sync input
Video control signal is limited to 1 transition per 130 PCLKs. Thus, the minimum pulse width is 130 PCLKs.
CONTROL AND CONFIGURATION
BISTEN 31 I, LVCMOS
with pulldown
BIST mode — optional
BISTEN = 1, BIST is enabled
BISTEN = 0, BIST is disabled
CONFIG[1:0] 13, 12 I, LVCMOS
with pulldown
Operating modes — pin or register control
Determine the operating mode of the DS90UR905 and interfacing device.
CONFIG[1:0] = 00: interfacing to DS90UR906Q-Q1, control signal filter DISABLED
CONFIG[1:0] = 01: interfacing to DS90UR906Q-Q1, control signal filter ENABLED
CONFIG[1:0] = 10: interfacing to DS90UR124, DS99R124
CONFIG[1:0] = 11: interfacing to DS90C124
De-Emph 23 I, Analog
with pullup
De-emphasis control — pin or register control
De-emph = open (float) - disabled
To enable de-emphasis, tie a resistor from this pin to GND or control via register (see Table 2).
ID[x] 6 I, Analog Serial control bus device ID address select — optional
Resistor-to-ground and 10-kΩ pullup to 1.8-V rail (see Table 11).
PDB 21 I, LVCMOS
with pulldown
Power-down mode input
PDB = 1, serializer is enabled (normal operation).
Refer to Power Up Requirements and PDB Pin.
PDB = 0, serializer is powered down
When the serializer is in the power-down state, the driver outputs (DOUT±) are both logic high, the PLL is shutdown, IDD is minimized. Control registers are RESET.
RES[2:0] 18, 16, 15 I, LVCMOS
with pulldown
Reserved - tie LOW
RFB 11 I, LVCMOS
with pulldown
Pixel clock input latch edge select — pin or register control
RFB = 1, parallel interface data and control signals are latched on the rising clock edge.
RFB = 0, parallel interface data and control signals are latched on the falling clock edge.
SCL 8 I, LVCMOS Serial control bus clock input - optional
SCL requires an external pullup resistor to VDDIO.
SDA 9 I/O, LVCMOS
Open-Drain
Serial control bus data input/output - optional
SDA requires an external pullup resistor VDDIO.
VODSEL 24 I, LVCMOS
with pulldown
Differential driver output voltage select — pin or register control
VODSEL = 1, LVDS VOD is ±420 mV, 840 mVp-p (typical) — long cable / de-emp applications
VODSEL = 0, LVDS VOD is 280 mV, 560 mVp-p (typical)
FPD-LINK II SERIAL INTERFACE
DOUT+ 20 O, LVDS True output
The output must be AC-coupled with a 100-nF capacitor.
DOUT- 19 O, LVDS Inverting output
The output must be AC-coupled with a 100-nF capacitor.
POWER AND GROUND(2)
GND DAP Ground DAP is the large metal contact at the bottom side, located at the center of the WQFN package. Connect to the ground plane (GND) with at least 9 vias.
VDDHS 17 Power TX high-speed logic power, 1.8 V ±5%
VDDL 7 Power Logic power, 1.8 V ±5%
VDDP 14 Power PLL power, 1.8 V ±5%
VDDIO 30 Power LVCMOS I/O power, 1.8 V ±5% or 3.3 V ±10%
VDDTX 22 Power Output Driver power, 1.8 V ±5%
1 = HIGH, 0 = LOW
The VDD (VDDn and VDDIO) supply ramp should be faster than 1.5 ms with a monotonic rise. If slower then 1.5 ms, then a capacitor on the PDB pin is needed to ensure PDB arrives after all the VDD have settled to the recommended operating voltage.
NKB Package
60-Pin WQFN
Top View
DS90UR905Q-Q1 DS90UR906Q-Q1 30102020.gif

DS90UR906Q-Q1 Deserializer Pin Functions(1)

PIN I/O, TYPE DESCRIPTION
NAME NO.
LVCMOS PARALLEL INTERFACE
B[7:0] 9, 10, 11, 12, 14, 17, 18, 19 I, STRAP,
O, LVCMOS
BLUE parallel interface data output pins (MSB = 7, LSB = 0)
In power-down (PDB = 0), outputs are controlled by the OSS_SEL (see Table 6). These pins are inputs during power up (see Deserializer Strap Input Pins).
DE 6 O, LVCMOS Data enable output
In power down (PDB = 0), output is controlled by the OSS_SEL pin (see Table 6). Video control signal pulse width must be 3 PCLKs or longer to be transmitted when the control signal filter is enabled (CONFIG[1:0] = 01). There is no restriction on the minimum transition pulse when the control signal filter is disabled
(CONFIG[1:0] = 00). The signal is limited to 2 transitions per 130 PCLKs.
G[7:0] 20, 21, 22, 23, 25, 26, 27, 28 I, STRAP,
O, LVCMOS
GREEN parallel interface data output pins (MSB = 7, LSB = 0)
In power down (PDB = 0), outputs are controlled by the OSS_SEL (see Table 6). These pins are inputs during power up (see Deserializer Strap Input Pins).
HS 8 O, LVCMOS Horizontal sync output
In power down (PDB = 0), output is controlled by the OSS_SEL pin (see Table 6). Video control signal pulse width must be 3 PCLKs or longer to be transmitted when the control signal filter is enabled (CONFIG[1:0] = 01). There is no restriction on the minimum transition pulse when the control signal filter is disabled
(CONFIG[1:0] = 00). The signal is limited to 2 transitions per 130 PCLKs.
LOCK 32 O, LVCMOS LOCK status output
LOCK = 1, PLL is Locked, outputs are active LOCK = 0, PLL is unlocked, RGB[7:0], HS, VS, DE and PCLK output states are controlled by OSS_SEL (see Table 6). May be used as link status or to flag when video data is active (ON/OFF).
PASS 42 O, LVCMOS PASS output (BIST mode)
PASS = 1, error free transmission
PASS = 0, one or more errors were detected in the received payload
Route to test point for monitoring, or leave open if unused.
PCLK 5 O, LVCMOS Pixel clock output
In power down (PDB = 0), output is controlled by the OSS_SEL pin (see Table 6). Strobe edge set by RFB function.
R[7:0] 33, 34, 35, 36, 37, 39, 40, 41 I, STRAP,
O, LVCMOS
RED parallel interface data output pins (MSB = 7, LSB = 0)
In power down (PDB = 0), outputs are controlled by the OSS_SEL (see Table 6). These pins are inputs during power up (see Deserializer Strap Input Pins).
VS 7 O, LVCMOS Vertical sync output
In power down (PDB = 0), output is controlled by the OSS_SEL pin (see Table 6). Video control signal is limited to 1 transition per 130 PCLKs. Thus, the minimum pulse width is 130 PCLKs.
CONTROL AND CONFIGURATION — STRAP PINS
For a HIGH state, use a 10-kΩ pullup to VDDIO; for a LOW state, the IO includes an internal pulldown. The STRAP pins are read upon power up and set device configuration. Pin Number listed along with shared RGB output name in square brackets.
CONFIG[1:0] 10 [B6],
9 [B7]
STRAP
I, LVCMOS
with pulldown
Operating modes — pin or register control
These pins determine the operating mode of the DS90UR906 and interfacing device.
CONFIG[1:0] = 00: interfacing to DS90UR905Q-Q1, control signal filter DISABLED
CONFIG[1:0] = 01: interfacing to DS90UR905Q-Q1, control signal filter ENABLED
CONFIG[1:0] = 10: interfacing to DS90UR241
CONFIG[1:0] = 11: interfacing to DS90C241
EQ[3:0] 20 [G7],
21 [G6],
22 [G5],
23 [G4]
STRAP
I, LVCMOS
with pulldown
Receiver input equalization — pin or register control (see Table 3).
LF_MODE 12 [B4] STRAP
I, LVCMOS
with pulldown
SSCG low-frequency mode — pin or register control
Only required when SSCG is enabled, otherwise LF_MODE condition is a DON’T CARE (X).
LF_MODE = 1, SSCG in low-frequency mode (PCLK = 5 to 20 MHz)
LF_MODE = 0, SSCG in high-frequency mode (PCLK = 20 to 65 MHz)
MAP_SEL[1:0] 40 [R1],
41 [R0]
STRAP
I, LVCMOS
with pulldown
Bit mapping backward compatibility / DS90UR241 options — pin or register control
Normal setting to b'00 (see Table 9).
OP_LOW 42 PASS STRAP
I, LVCMOS
with pulldown
Outputs held LOW when LOCK = 1 — pin or register control
See (2)
OP_LOW = 1: all outputs are held LOW during power up until released by programming OP_LOW release / set register HIGH
See (3)
See Figure 30 and Figure 31.
OP_LOW = 0: all outputs toggle normally as soon as LOCK goes HIGH (default).
OS_DATA 14 [B3] STRAP
I, LVCMOS
with pulldown
Data output slew select — pin or register control
OS_DATA = 1, increased DATA slew
OS_DATA = 0, normal (default)
OSC_SEL[2:0] 26 [G2],
27 [G1],
28 [G0]
STRAP
I, LVCMOS
with pulldown
Oscillator select — pin or register control (see Table 7 and Table 8).
OS_PCLK 11 [B5] STRAP
I, LVCMOS
with pulldown
PCLK output slew select — pin or register control
OS_PCLK = 1, increased PCLK slew
OS_PCLK = 0, normal (default)
OSS_SEL 17 [B2] STRAP
I, LVCMOS
with pulldown
Output sleep state select — pin or register control
See (4)
OSS_SEL is used in conjunction with PDB to determine the state of the outputs in power down (Sleep) (see Table 6).
RFB 18 [B1] STRAP
I, LVCMOS
with pulldown
Pixel clock output strobe edge select — pin or register control
RFB = 1, parallel interface data and control signals are strobed on the rising clock edge.
RFB = 0, parallel interface data and control signals are strobed on the falling clock edge.
SSC[3:0] 34 [R6],
35 [R5],
36 [R4],
37 R[3]
STRAP
I, LVCMOS
with pulldown
Spread spectrum clock generation (SSCG) range select — pin or register control
See Table 4 and Table 5.
CONTROL AND CONFIGURATION
BISTEN 44 I, LVCMOS
with pulldown
BIST enable input — optional
BISTEN = 1, BIST is enabled
BISTEN = 0, BIST is disabled
ID[x] 56 I, Analog Serial control bus device ID address select — optional
Resistor-to-ground and 10-kΩ pullup to 1.8-V rail (see Table 10).
NC 1, 15, 16, 30, 31, 45, 46, 60 Not connected
Leave pin open (float)
PDB 59 I, LVCMOS
with pulldown
Power-down mode input
PDB = 1, deserializer is enabled (normal operation).
Refer to Power Up Requirements and PDB Pin.
PDB = 0, deserializer is in power down.
When the deserializer is in the power-down state, the LVCMOS output state is determined by Table 6. Control Registers are RESET.
RES 47 I, LVCMOS
with pulldown
Reserved - tie LOW
SCL 3 I, LVCMOS Serial control bus clock input — optional
SCL requires an external pullup resistor to VDDIO.
SDA 2 I/O, LVCMOS
Open-Drain
Serial control bus data input/output — optional
SDA requires an external pullup resistor to VDDIO.
FPD-LINK II SERIAL INTERFACE
CMF 51 I, Analog Common-mode filter
VCM center-tap is a virtual ground which may be AC coupled to ground to increase receiver common-mode noise immunity. Recommended value is 0.1 μF or higher.
CMLOUTN 53 O, LVDS Test monitor pin — EQ waveform
NC or connect to test point. Requires serial bus control to enable.
CMLOUTP 52 O, LVDS Test monitor pin — EQ waveform
NC or connect to test point. Requires serial bus control to enable.
RIN+ 49 I, LVDS True input. The input must be AC coupled with a 100-nF capacitor.
RIN- 50 I, LVDS Inverting input. The input must be AC coupled with a 100-nF capacitor.
POWER AND GROUND(2)
GND DAP Ground DAP is the large metal contact at the bottom side, located at the center of the WQFN package. Connected to the ground plane (GND) with at least 9 vias.
VDDCMLO 54 Power RX high-speed logic power, 1.8 V ±5%
VDDL 29 Power Logic power, 1.8 V ±5%
VDDIO 13, 24, 38 Power LVCMOS I/O power, 1.8 V ±5% or 3.3 V ±10% (VDDIO)
VDDIR 48 Power Input power, 1.8 V ±5%
VDDPR 57 Power PLL power, 1.8 V ±5%
VDDR 43, 55 Power RX high-speed logic power, 1.8 V ±5%
VDDSC 4, 58 Power SSCG power, 1.8 V ±5%
1 = HIGH, 0 = LOW
It is not recommended to use any other strap options with this strap function
Before the device is powered up, the outputs are in tri-state.
OSS_SEL strap cannot be used if OP_LOW =1