: Available in both Reduced Media Independent Interface (RMII) and Media Independent Interface (MII) variants.
Root Cause: Unseated flexible flat cables (FFC) or corrupted differential signaling logic.
: A general description of the device, its applications, and its key features. This might include information on its support for various network protocols, speeds (e.g., 10/100 Mbps), and any special functionalities like energy-efficient Ethernet (EEE) or support for industrial temperature ranges.
It accepts high-speed Low-Voltage Differential Signaling (LVDS) video data streams from the motherboard, processes pixel data, manages color timing, and serializes the output into Row and Column driver commands to render the on-screen image. Ksz80 Ob S4lv0.2 Datasheet
Displays link status, auto-negotiation completion, jabber detect, and link partner capabilities.
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | | :--- | :---: | :---: | :---: | :---: | :---: | :--- | | | VDDA | 3.0 | 3.3 | 3.6 | V | Core Logic | | Supply Voltage (I/O) | VDDIO | 1.6 | - | 3.6 | V | Variable I/O | | Operating Current | I_dd | - | 45 | 60 | mA | 100Mbps Active | | Power Down Current | I_pdn | - | < 1 | 15 | µA | Power Down Mode | | Operating Temp | T_op | -40 | - | +85 | °C | Industrial Range | | ESD Protection | V_ESD | - | ±8 | - | kV | HBM (Human Body Model) |
Logic supply voltage powering the timing processors and internal EEPROM/Flash chips. : Available in both Reduced Media Independent Interface
| Area | Comments | |------|----------| | | Likely missing electrical tables or register maps if it's draft 0.2. | | Clarity | Microchip datasheets are generally good, but drafts may have placeholder values. | | Key specs | Supports MII/RMII, Auto-MDI/X, HP Auto-MDIX, LinkMD cable diagnostics. | | Power | 3.3V with 1.2V core (internal LDO) or external 1.2V. | | Reliability | Rev 0.2 not final — do not use for production layout without final version. | | Errata | No errata in early draft — but final silicon may have known issues. |
If the backlights turn on but the screen remains completely dark and without any menu graphics, the board may not be receiving power or the main video processor may be fried.
The "LV" in the part number indicates low-voltage optimization. The KSZ80-OB-S4LV0.2 operates from a single 3.3V power supply while integrating an on-chip LDO regulator to generate the 1.2V core voltage. This reduces system bill-of-materials (BOM) costs by eliminating the need for an external core voltage regulator. Power Management Modes This might include information on its support for
The KSZ8081RNB (often referred to in project BOMs as the KSZ80 OB S4LV0.2) is a single-supply 10Base-T/100Base-TX Ethernet physical layer transceiver. This specific hardware revision is widely used in industrial networking, automotive interfaces, and high-performance embedded systems.
The is not a standalone integrated circuit (IC) but rather a specific T-Con (Timing Controller) Board or Panel Scaler PCB used primarily in Sony Bravia LED/LCD TVs . Unlike a standard semiconductor datasheet, technical information for this board is typically found in TV service manuals or circuit schematics for models like the Sony KDL-40R470A or KDL-40R450A. Core Specifications and Compatibility