The primary function of the TSUM1PFR-LF is to act as a video . It can take a variety of input resolutions and scale them to match the native resolution of the connected LCD panel. This chip can handle input resolutions up to UXGA (1600x1200) and output them to support panel resolutions like WXGA+ (1440x900). It is configured with a high-speed integrated triple-ADC/PLL to process analog RGB signals effectively.
If you can tell me the you are working on, I can help you find a specific wiring schematic or a compatible alternative . TSUM1PFR-LF MSTAR - WIN SOURCE
While "TSUM1PFR-LF" is the full, specific part number including the "-LF" suffix which denotes its lead-free or RoHS-compliant status, the base model "TSUM1PFR" is the fundamental graphics processing IC. Some sources and component listings may refer to the chip simply as "TSUM1PFR," but they both describe the same core component and functionality, with the "-LF" version being the environmentally compliant variant. Tsum1pfr-lf Datasheet
The TSUM1PFR-LF belongs to MStar's mainstream LCD monitor controller solution series. It is a "total solution" graphics processing IC engineered for LCD monitors capable of panel resolutions up to WXGA+ or SXGA+. The design integrates essential components to reduce external circuitry, lower system costs, and simplify the bill of materials (BOM). Its key functions include scaling, de-interlacing, and signal processing.
This IC combines several critical display functions into one chip to reduce system cost and board space. The primary function of the TSUM1PFR-LF is to act as a video
At the heart of the IC is a dedicated display processing engine. It handles:
💡 Always follow standard ESD precautions during handling, as the chip contains sensitive specialized CMOS circuits. Where to Source You can find the TSUM1PFR-LF through various electronic component distributors: TSUM1PFR-LF MSTAR - IC Components It is configured with a high-speed integrated triple-ADC/PLL
| Signal Group | Description | | :--- | :--- | | | Analog video signals from the VGA connector | | H/V Sync Inputs | Horizontal and vertical sync signals from the VGA connector | | LVDS Output Pins | Four differential data pairs (LVDS_A0±, LVDS_A1±, LVDS_A2±, LVDS_CLK±) to drive the LCD panel | | Panel Interface Pins | Control signals for the LCD panel (enable, backlight control) | | Memory Interface | Serial communication lines (SCL/SDA) for external EEPROM (DDC/CI data) | | Flash Memory Interface | SPI bus for connection to serial flash (firmware storage) | | OSD Key Scan Inputs | Inputs for the five OSD control buttons | | Reset Pin | System reset for initializing the IC | | Oscillator Pins | Connections for an external crystal or ceramic resonator | | Power/Regulator Control | Supply voltage inputs (3.3V, 1.8V) and regulator enable/disable controls | | Backlight Control | PWM output for LCD backlight brightness control (often labeled BL_ADJ or similar) | | Power Sequencing | Panel power enable signal (often labeled PANEL_EN or similar) | | Analog PLL Filter | External filtering for internal phase-locked loop circuits for stable clock generation |
Disclaimer: Specifications are based on available third-party data and may be subject to change by the manufacturer.
While predominantly found in , the TSUM1PFR-LF is also utilized in multimedia display systems , LCD TV applications , and intelligent consumer electronics. It serves as a cost-effective solution for manufacturers by integrating power management and EMI controls, which reduces the need for additional external components on the PCB. TSUM1PFR-LF MStar - Xecor