As of 2021, the WPCE773LA0DG MCU is still an active product in Winbond's portfolio, with ongoing support and development. The datasheet and other documentation are regularly updated to reflect the latest information and specifications. When downloading the datasheet, make sure to check the revision history and date to ensure you have the latest version.
Interfacing with input devices to ensure keystrokes and movements are registered correctly. Thermal Monitoring:
: Frequently found in Apple MacBook Pro and MacBook Air motherboards (e.g., A1286, A1278 series) and various Wistron-manufactured laptop boards.
There is a noted moderate "fake threat" (roughly 34%) for this component in the open market due to its limited availability. WIN SOURCE schematic diagrams winbond wpce773la0dg datasheet pdf download 2021
Includes UART, GPIOs (General Purpose Input/Output), and LPC (Low Pin Count) interface for communication with the chipset. System Wake-up: Manages wake-up signals from sleep modes. Importance of the 2021 Datasheet PDF
Integrated Circuits (ICs) / Microcontrollers / Embedded Controllers -40∘Cnegative 40 raised to the composed with power C 105∘C105 raised to the composed with power C (Extended Industrial Grade) Lead-Free Status RoHS Compliant Core Architectural Functions
The pinout details for this chip are frequently bundled inside laptop motherboard schematics (e.g., Compal or Wistron board blueprints) available on specialized electronics repair forums. As of 2021, the WPCE773LA0DG MCU is still
LQFP-128 (128-pin Low-profile Quad Flat Package).
Available in a QFP-128 (Quad Flat Package) with 128 pins.
Because the WPCE773LA0DG governs basic power-on logic, a failing chip often mimics a completely dead motherboard. Look for these common failure modes: Interfacing with input devices to ensure keystrokes and
The WPCE773LA0DG belongs to Winbond’s advanced Super I/O and Embedded Controller family. It serves as the primary system management controller on many laptop platforms (such as ASUS, Dell, HP, and Lenovo motherboards). Core Functions:
The following verified specifications have been gathered from distributor and manufacturer datasheets:
If youIf you can share the schematic (e.g., Wistron JV50), I can provide exact pin voltage values or pinpoint the specific power rails you need to test. Share public link