Controller IC Chip -W83627EHG 83627 QFP 128 for laptop - Integrated Laptop Chip (Code 1-CHIP1226)

Controller IC Chip - VT355FCX-ADJ VT355F BGA for laptop- Integrated portable calculator chip(SKU.1-CHIP1225)

W83627EHF/EHG/EF/EG is an evolving product from Winbond's most popular I/O family. They feature a whole new interface, namely LPC (Low Pin Count) interface, which will be supported in the new generation chip-set. This interface as its name suggests is to provide an economical implementation of I/O's interface with lower pin count and still maintains equivalent performance as its ISA interface counterpart. Approximately 40 pin counts are saved in LPC I/O comparing to ISA implementation. It is fully transparent in terms of software which means no BIOS or device driver update is needed except chip-specific configuration. The disk drive adapter functions of W83627EHF/EHG/EF/EG include a floppy disk drive controller compatible with the industry standard 82077/ 765, data separator, write pre-compensation circuit, decode logic, data rate selection, clock generator, drive interface control logic, and interrupt and DMA logic. The wide range of functions integrated onto the W83627EHF/EHG/EF/EG greatly reduces the number of components required for interfacing with floppy disk drives. W83627EHF/EHG/EF/EG supports four 360K, 720K, 1.2M, 1.44M, or 2.88M disk drives and data transfer rates of 250 Kb/s, 300 Kb/s, 500 Kb/s,1 Mb/s, and 2 Mb/s. W83627EHF/EHG/EF/EG provides two high-speed serial communication ports (UARTs), one of which supports serial Infrared communication. Each UART includes a 16-byte send/receive FIFO, a programmable baud rate generator, complete modem control capability, and a processor interrupt system. Both UARTs provide legacy speed with baud rate up to 115.2k bps and also advanced speed with baud rates of 230k, 460k, or 921k bps which support higher speed modems. In addition, W83627EHF/EHG/EF/EG provides IR functions: IrDA 1.0 (SIR for 1.152K bps) . W83627EHF/EHG/EF/EG supports one PC-compatible printer port (SPP), Bi-directional Printer port (BPP) and also Enhanced Parallel Port (EPP) and Extended Capabilities Port (ECP). And W83627EHF/EHG/EF/EG contains a Game port and a MIDI port. The game port is designed to support 2 joysticks and can be applied to all standard PC game control devices, they are very important for a entertainment or consumer computer.

W83627EHF/EHG/EF/EG provides Serial Flash ROM interface. That can support up to 8M bits serial flash ROM. W83627EHF/EHG/EF/EG provides flexible I/O control functions to the system designer through a set of General Purpose I/O ports. These GPIO ports may serve as simple I/O or may be individually configured to provide a predefined alternate function. W83627EHF/EHG supports hardware status monitoring for personal computers. It can be used to monitor several critical hardware parameters of the system, including power supply voltages, fan speeds, and temperatures, which are very important for a high-end computer system to work stably and properly. Moreover, W83627EHF/EHG supports the Smart Fan control system, including the “Thermal CruiseTM” and “Speed CruiseTM” functions. Smart Fan can make system more stable and user friendly. W83627EHF/EHG/EF/EG is made to fully comply with Microsoft PC98 and PC99 Hardware Design Guide, and meet the requirements of ACPI. The configuration registers support mode selection, function enable/disable, and power down function selection. Furthermore, the configurable PnP features are compatible with the plug-and-play feature demand of Windows 95/98TM, which makes system resource allocation more efficient than ever. The special characteristic of Super I/O product line is to avoid power rails short. This is especially true to a multi-power system where power partition is much more complex than a single-power one. Special care might be applied during layout stage or the IC will fail even though its intended function is workable.

Meet LPC Spec. 1.01 y Support LDRQ#(LPC DMA), SERIRQ (Serial IRQ) y Integrated Hardware Monitor functions y Compliant with Microsoft PC2000/PC2001 Hardware Design Guide y Support DPM (Device Power Management), ACPI y Programmable configuration settings y Single 24 or 48 MHz clock input y It is 3.3V level but 5V tolerance support --- Besides LPC function pins(Pin21 ~ Pin30) and H/W monitor analog pins(Pin95 ~ Pin110) --- Input level can up to 5V and maximum input level can be up to 5V+10% FDC y Compatible with IBM PC AT disk drive systems y Variable write pre-compensation with track selectable capability y Support vertical recording format y DMA enable logic y 16-byte data FIFOs y Support floppy disk drives and tape drives y Detects all overrun and underrun conditions y Built-in address mark detection circuit to simplify the read electronics y FDD anti-virus functions with software write protect and FDD write enable signal (write data signal was forced to be inactive) y Support up to four 3.5-inch or 5.25-inch floppy disk drives y Completely compatible with industry standard 82077 y 360K/720K/1.2M/1.44M/2.88M format; 250K, 300K, 500K, 1M, 2M bps data transfer rate y Support 3-mode FDD, and its Win95/98 driver.

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