Winbond Wpce773la0dg Datasheet Pdf Download Hot! 2021
: General Purpose I/O ( GPIO ), Pulse Width Modulation ( PWM ), and Analog-to-Digital Converter ( ADC ).
The Winbond WPCE773LA0DG is a specialized integrated circuit found within countless laptop motherboards, serving as a vital interface between the system's processor and its peripheral devices. Known as an , Keyboard and System Controller (KBC), or Super I/O (SIO) chip, this component is crucial for the basic functionality of a computer. For electronics engineers, motherboard repair specialists, and advanced hobbyists, having access to its official datasheet is essential for diagnosis, repair, and system design.
The Datasheet Archive provides search results for various revisions and contextual schematics where this chip is used (e.g., Wistron motherboards) .
In the context of laptop repair and engineering, the WPCE773LA0DG is often referenced in schematic diagrams for specific platforms. For example, it is a core component in the Wistron JV71/JV70 motherboard designs used in various consumer laptops [4].
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Ensure the reset pin transitions from low to high when power is applied.
| Section | Title | Why It's Important | |---------|-------|--------------------| | 2.0 | Pin Configuration and Multiplexing | Avoid PCB layout mistakes. Identifies shared GPIO alternate functions. | | 4.0 | LPC Interface Specification | Essential for BIOS/firmware engineers bringing up the chip. | | 7.0 | Embedded Controller (EC) Registers | Required for writing low-level drivers. | | 10.0 | Environmental Monitoring (HWM) | Programming ADC, fan tach, and temperature sensors. | | 15.0 | Electrical Characteristics | Max current per GPIO, input voltage thresholds, and power dissipation. |
The EC is the first major chip to wake up when power is applied. It monitors the power button input signal, manages ACPI power states (S0–S5), and orchestrates the systematic boot-up of DC-to-DC step-down converters. It interacts directly with power management ICs like the ISL62392 or TPS51125 to toggle 3D3V_S5 and 5V_S5 power rails. 2. Keyboard Matrix Control
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: : General Purpose I/O ( GPIO ), Pulse
Winbond’s consumer electronics division was transferred to . Therefore, the official datasheet is hosted on Nuvoton’s legacy product portal.
The is an Embedded Controller (EC) typically used in laptop motherboards for power management, keyboard control, and system monitoring. 📄 Datasheet Access
To download the Winbond WPCE773LA0DG datasheet PDF, follow these steps:
Detailed product listings and pinout information are available on The Datasheet Archive Inventory: Suppliers like Win Source Ariat-Tech For example, it is a core component in
Visit the official Nuvoton product portal and search for part number WPCE773LA0DG under the “Technical Documents” tab. Filter by year 2021 and select the Datasheet in English.
Winbond WPCE773LA0DG Go to product viewer dialog for this item. Datasheet PDF Download 2021: Technical Guide The Winbond WPCE773LA0DG Go to product viewer dialog for this item.
Pulse Width Modulation outputs for precise fan speed control.
In 2021 and beyond, technicians rely on the following methods to access data typically found in a datasheet:
