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參數(shù)資料
| 型號(hào)： | W83977CTF-PW |
| 英文描述： | PERIPHERAL (MULTIFUNCTION) CONTROLLER |
| 中文描述： | 周邊（多功能）控制器 |
| 文件頁(yè)數(shù)： | 10/161頁(yè) |
| 文件大?。?/td> | 592K |
| 代理商： | W83977CTF-PW |
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W83977EF/ CTF
PRELIMINARY
Publication Release Date: March 1999
-1 -
Revision A1
GENERAL DESCRIPTION
The
W83977EF/CTF
is an evolving product from Winbond's most popular I/O chip W83877F ---
which integrates the disk drive adapter, serial port (UART), IrDA 1.0 SIR, parallel port, and
configurable plug-and-play registers for the whole chip --- plus additional powerful features:
ACPI
,
8042 keyboard controller with PS/2 mouse support, 14 general purpose I/O ports, full 16-bit address
decoding, OnNow keyboard Wake-Up, OnNow mouse Wake-Up
and
OnNow CIR(W83977CTF only)
Wake-Up.
The disk drive adapter functions of
W83977EF/CTF
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 W83977EF/CTF greatly reduces the number of
components required for interfacing with floppy disk drives. The
W83977EF/CTF
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.
The
W83977EF/CTF
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.
The
W83977EF/CTF
supports one PC-compatible printer port (SPP), Bi-directional Printer port (BPP)
and also Enhanced Parallel Port (EPP) and Extended Capabilities Port (ECP). Through the printer
port interface pins, also available are: Extension FDD Mode and Extension 2FDD Mode, allowing one
or two external floppy disk drives to be connected.
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
TM
, which makes system resource allocation more efficient than ever.
W83977EF/CTF
provides functions that comply with
ACPI
(
Advanced Configuration and Power
Interface
), including support for legacy and ACPI power management through
SMI
or
SCI
function
pins.
W83977EF/CTF
also has auto power management to reduce power consumption.
The keyboard controller is based on 8042 compatible instruction set, with a 2K Byte programmable
ROM and a 256-Byte RAM bank. Keyboard BIOS firmware is available with optional AMIKEY
TM -
2,
Phoenix MultiKey/42
, or customer code.
The
W83977EF/CTF
provides the system designer with a set of flexible I/O control functions 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.
The
W83977EF/CTF
also supports Power-loss control, and ensures that the system never fails to
detect any Wake-Up event provided by a chipset such as INTEL PIIX4
.
W83977EF/CTF
is made to fully comply with
Microsoft PC98 Hardware Design Guide
. IRQs,
DMAs, and I/O space resource are flexible to adjust to meet ISA PnP requirements. Moreover,
W83977EF/CTF
is made to meet the specification of PC98's requirements in power management:
ACPI
and
DPM
(Device Power Management).
Another benifit is that
W83977EF/CTF
has the same pin assignment as W83977AF, W83977F,
W83977TF, W83977ATF. This makes the design very flexible.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| W83977TF(EOL) | W83877TF plus KBC. CIR. RTC |
| W83C42 | KEYBOARD CONTROLLER |
| W83C42P | KEYBOARD CONTROLLER |
| W83C45 | Keyboard Controller |
| W83C45P | Keyboard Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W83977EF | 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:WINBOND ISA I/O |
| W83977EF-AW | 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:WINBOND ISA I/O |
| W83977EF-PW | 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:WINBOND I/O |
| W83977EG | 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:WINBOND ISA I/O |
| W83977EG-AW | 功能描述:IC I/O CONTROLLER 128-PQFP RoHS:是 類(lèi)別:集成電路 (IC) >> 接口 - 專(zhuān)用 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 應(yīng)用:PDA，便攜式音頻/視頻，智能電話(huà) 接口:I²C，2 線(xiàn)串口 電源電壓:1.65 V ~ 3.6 V 封裝/外殼:24-WQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:24-QFN 裸露焊盤(pán)（4x4） 包裝:帶卷 (TR) 安裝類(lèi)型:表面貼裝 產(chǎn)品目錄頁(yè)面:1015 (CN2011-ZH PDF) 其它名稱(chēng):296-25223-2 |
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